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 Engine working machine patent thumbnailEngine working machine
A cost of an engine working machine is suppressed, and startability of an engine is improved. In an engine working machine for driving a working tool by using an engine including: a fuel tank; a carburetor for supplying air-fuel mixture of fuel supplied from the fuel tank and air into a cylinder; a cylinder in which a piston is reciprocatable; and a crank case that holds the cylinder and forms a crank chamber, the engine working machine is provided with: an additional fuel supplying unit for supplying fuel to the engine separately from the carburetor; and a control unit for controlling an operation of the additional fuel supplying unit separately from supply of start-up fuel..
Hitachi Koki Co., Ltd.


 Carburetor with idle down feature patent thumbnailCarburetor with idle down feature
A carburetor with a throttle valve is provided in which a linkage member is in communication with the throttle valve. An idle down handle can be moved from an unactuated position to an actuated position and is in communication with the throttle valve.
Liquid Combustion Technology, Llc


 Main fuel jet and nozzle assembly for a carburetor patent thumbnailMain fuel jet and nozzle assembly for a carburetor
A carburetor includes a body with an air intake path, a fuel pump and a fuel pressure regulator and having a main fuel jet and nozzle assembly with a main fuel jet releasably coupled to the body of the carburetor. Alternatively, a main fuel jet and nozzle assembly includes a nozzle and check valve retainer formed as a single component.
Zama Japan Kabushiki Kaisha


 Carburetor with single diaphragm for supplying and metering fuel patent thumbnailCarburetor with single diaphragm for supplying and metering fuel
A carburetor includes a body with an air intake path, a fuel pump and a fuel pressure regulator. The fuel pump and fuel pressure regulator are positioned on the same side of the body.
Zama Japan Kabushiki Kaisha


 Carburetor and  operating an internal combustion engine having said carburetor patent thumbnailCarburetor and operating an internal combustion engine having said carburetor
A carburetor has a housing wherein a control drum is rotatably mounted. A section of an intake channel is formed in the carburetor.
Andreas Stihl Ag & Co. Kg


 Fuel air delivery circuit with enhanced response, fuel vaporization and recharge patent thumbnailFuel air delivery circuit with enhanced response, fuel vaporization and recharge
A fuel air delivery circuit, system, and method for the intake of an internal combustion engine, that provides an enhanced pressure condition to a supplementary or auxiliary air fuel circuit or circuits in connection with a conventional fuel delivery passage or passages, such as, but not limited to, a main, needle, or other jet, injector port, manifold, plenum, or the like, to provide enhanced vaporization and mixture of the fuel and air, and delivery to an associated intake path, such as the bore of a carburetor, intake runner, or the like, to provide improved throttle response and acceleration, and additionally which supplementary circuit will automatically recharge with fuel when a triggering condition is present, such as under steady state and deceleration conditions.. .

 Portable engine-driven working machine patent thumbnailPortable engine-driven working machine
A portable engine-driven working machine has an engine unit and a cover enclosing the engine unit. The engine unit includes a cylinder block, an electronically controlled carburetor, a controller connected to the carburetor and a diagnostic connector connected to the controller.
Yamabiko Corporation


 Throttle body fuel injection system with improved fuel distribution and idle air control patent thumbnailThrottle body fuel injection system with improved fuel distribution and idle air control
A throttle body fuel injection system and method that is arranged to easily replace four-barrel carburetors includes a throttle body assembly with four main bores, each with a throttle plate and an associated fuel injector. Each injector feeds fuel into a circular fuel distribution ring via a fuel injection conduit, which introduces pressurized fuel into the air stream.
Msd Llc


 Carburetor arrangement patent thumbnailCarburetor arrangement
A carburetor for a gas powered internal combustion engine having a plurality of pressure reducing stages for reducing the pressure of the gas phase in a liquified petroleum gas storage bottle prior to the mixing of the gas phase of the liquified petroleum gas with ambient air.. .
Lehr Incorporated


 Carburetor patent thumbnailCarburetor
A carburetor provided with a cap that prevents removal thereof by willful and forcible over-operation or destruction by a user, that is easily assembled without increasing the number of components, and that is a control means of an adjustment valve of a fuel flow rate concomitant to a carburetor of a conventional utility engine. A sleeve 2 extends from or is integrally connected to a carburetor main body 1 and is disposed to surround the limit caps 6, 7, includes spaces 23, 24 for rotating arm pieces 611, 711 attached to the limit caps 6, 7..

A carburetor assembly


The invention relates to a carburetor assembly (10) for a two-stroke internal combustion engine, the assembly comprising a main intake passage (12) accommodating a throttle valve (30), an additional air passage (14) accommodating an additional air valve (50), a pivotable air valve lever (55) turning together with the air valve (50), and an interlock lever (35) turning together with the throttle valve (30). The interlock lever (35) is configured to be settable in an interlocked pivotal position, in which the throttle valve (30) is open to a certain degree in order to provide a start gas position of the throttle valve (30), wherein the interlock is arranged to be released if the interlock lever (35) is pivoted further in the opening direction of the throttle valve (30).

Method, system and supplying air and fuel mixture to a combustion chamber


In one aspect of the present invention carburetor comprises a hollow first cylinder and a hollow second cylinder. In one embodiment, hollow first cylinder comprising plurality of nozzles formed on the lateral surface and nozzles providing flow path for a fuel to flow from the hollow region to outside of the later surface of the first cylinder.

Air leading type two-stroke engine and intake system for same, and carburetor


An amount of air taken into an air leading type two-stroke engine is increased to enhance an engine output, and gas emission characteristic deterioration caused by blow-back is inhibited. An inhibition member 16 is disposed between a choke valve 4 in a full open position and a throttle valve 6 in a full open position.
Yamabiko Corporation


Fuel system conversions for carburetor to electronic fuel injection systems, methods of production thereof


An electronic fuel injection system for land vehicles, comprising: a fuel tank, at least one pump, a fuel sump, wherein the at least one pump is operatively coupled to and between the fuel tank and the sump, and an engine, wherein the engine is operatively coupled to the fuel sump. A fuel sump system for land vehicles, comprising: an inlet from a pump, wherein the pump is operatively connected to a fuel tank, a fuel pump system, a regulator operatively coupled to the fuel pump system, an outlet operatively coupled to an engine, and a float component, coupled to the inlet.
Edelbrock, Llc


Suction tube unit of stratified scavenging engine


A suction tube unit connected between a cylinder block and a carburetor in a stratified scavenging engine has a suction tube for mixture made of an elastic material; and a suction tube for stratified scavenging air made of an elastic material. The suction tube for mixture and the suction tube for air have, at respective inlet ends connected to the carburetor, respective wall portions which face each other and have complementary shapes.
Yamabiko Corporation


Automatic fuel shutoff


A combination lever for a carburetor is an integrated shutoff lever and fuel valve. The combination lever includes a longitudinal portion for a handle and a cylindrical portion including a fuel path for the fuel valve.
Kohler Co.


Universal velocity stack and creating laminar air flow


A universal velocity stack detachably connects to various types of throttle bodies, and is shaped and dimensioned to enable a laminar air flow through the throttle body, both at low velocities, and even at high velocities, where air turbulence ordinarily occurs. In this manner, fuel economy and engine performance may be enhanced as a smoother, larger density of air enters an intake manifold.
Phase 2 Motortrend Inc.


Starting device and carburetor supplying fixed amount of fuel


A starting device for feeding a quantity of fuel from the fixed-quantity fuel chamber to an intake passage during start-up having a manually operated primary pump for suctioning/pumping fuel and arranged on a fuel introduction path connected along a fuel-feeding path; and a fixed-quantity fuel chamber for temporarily storing fuel delivered from the primary pump. An internal wall of the fixed-quantity fuel chamber undergoes elastic displacement, allowing its internal capacity to expand/shrink within a predetermined range; the fixed-quantity fuel chamber is connected to a fuel delivery path that communicates with the intake passage side and has a manually operated open/close valve; the valve is opened in a state in which, due to the primary pump being operated, the fixed-quantity fuel chamber is filled with a predetermined quantity of fuel while enlarging its internal capacity, whereby it shrinks due to an elastic contraction force and the fuel..

Bottom feed fuel bowl


An apparatus and method are provided for a fuel bowl to supply liquid fuel to a carburetor. The fuel bowl comprises a float chamber and a fuel inlet cavity which receives a fuel delivery insert.
K&n Engineering, Inc.


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Air blower


An air blower discharges an air flow generated by rotation of a fan from an outlet port of a fan case. An engine and a carburetor are disposed opposing to an outer surface of the fan case.
Yamabiko Corporation


Carburetor


A carburetor comprises a rotation-typed control valve which opens or closes a second bleed air passage according to an opening degree of the throttle valve. The control valve includes an upper end portion of a valve stem, and in a projection plane orthogonal to an axis of an aspirating channel, a first bleed air passage is arranged on one side of the valve stem, an upstream-side passage portion starting from the control valve of the second bleed air passage is arranged on an upper side of the aspirating channel, a downstream-side passage portion starting from the control valve of the second bleed air passage is arranged on the one side of the valve stem, and a downstream end of the downstream-side passage portion is connected to a midway portion of the first bleed air passage..
Keihin Corporation


Carbureted engine having an adjustable fuel to air ratio


A simple engine, comprises (1) a cylinder, and a spark plug in the cylinder; (2) a carburetor, fluidly connected to the cylinder; (3) a primary air intake path, fluidly connecting atmosphere to the carburetor; (4) a carburetor bypass air intake path, fluidly connecting air to the cylinder without passing through the carburetor; and (5) a valve, along the carburetor bypass air intake path, for controlling the flow of air through the carburetor bypass air intake path.. .
Ini Power Systems Inc.


Four-stroke engine


The invention relates to a 360° reversible four-stroke engine, including a cylinder, a plunger, a crankshaft component and a carburetor, wherein the carburetor is used for providing mixed oil and gas to an intake passage, the mixed oil and gas is communicated to an intake valve component in a rocker chamber through the intake passage, and the mixed oil and gas is communicated to an intake valve component in a rocker chamber through the intake passage; said intake passage is setup with a bypass connected to a crankshaft chamber, the bypass is a mixed oil and gas lubrication passage, the lower portion of the crankshaft chamber is connected to an one-way valve chamber, the one-way valve chamber is communicated with a cam chamber and is setup with an one-way valve therein which opens upon positive pressure of the crankshaft chamber and closes upon negative pressure of the crankshaft chamber.. .
Taizhou Qinglong Machinery & Electric Co., Ltd.


Use of ice-phobic coatings


The invention pertains to the use of an ice-phobic coating layer for de-icing or anti-icing of technical aerospace equipment such as aircraft's carburettor(s), pitot tubes, engines and parts thereof, and the rotor blades and generators and parts thereof of wind turbines, and wherein said coating layer: a) exhibits sessile water drop contact angle of at least 75° and a difference in dynamic water drop contact angle of at most 30° , more preferably at most 25° (i.e. Low wetting hysteresis), at ambient air conditions, said contact angles measured according to astm d7334-08; b) exhibits micro hardness of at least 200 hv (vickers units) if exposed to fluid velocities lower than 50 m/s and/or micro hardness of at least 800 hv, preferably at least 1000 hv, if exposed to fluid velocities higher than 100 m/s (representing aircraft wing conditions), said micro hardness measured according to astm e384-08, and/or exhibits a micro hardness of ra less than 0.5 μm; c) exhibits corrosion rate of less than 0.1 μm/year; d) is chemically inert; and e) has a mechanical strength in terms of pull-off force/surface unit of more than 10 mpa, preferably more than 20 mpa, measured according to astm d4541-09e1..
Estuary Holding B.v.


Fuel bowl for carburetor system and associated methods


A fuel bowl for a carburetor system may include a fuel container and a fuel flow assembly that is removeably couplable thereto. The fuel container may include a base, a pair of sidewalls extending upwardly from the base, a rear wall extending upwardly from the base, a top overlying the pair of sidewalls and the rear wall, and a cavity defined by the pair of sidewalls and the rear wall.
Tajm Llc


Electronic controlled fuel enrichment system


An apparatus for delivering a fuel-air mixture to an engine is provided. The apparatus includes: a carburetor having one or more passages and one or more chambers, wherein at least some of the passages and chambers are in communication with one another, and a fluid pump communicated with the carburetor and pumping fluid into or out of the carburetor to influence an fuel-to-air ratio of a fuel and air mixture delivered from the carburetor..
Walbro Engine Management, L.l.c.


Multi-fuel carburetor with gas switching valve structure


A multi-fuel carburetor with gas switching valve structure includes a carburetor body having a throat; a gas jet pipe formed on the carburetor body, the gas jet pipe having one end extended to the throat to connect with it and another end extended out of the carburetor body; and a gas switching valve and a gas adjustor mounted on the carburetor body respectively, the gas switching valve having one end mounted on the carburetor body to connect with the gas jet pipe and another end connected with the gas adjustor, and the gas switching valve having a gas measurement hole for measuring the flow rate of gas. A gas jet pipe is added to provide multiple choices for multiple fuels.

Fuel supply engine


An engine fuel supply apparatus includes: a fuel chamber provided in a carburetor; a first communication passage for opening the interior of the fuel chamber to the atmosphere; a second communication passage for communicating the interior of the fuel chamber with the interior of a venturi section; and a passage switching section capable of switching between the first and second communication passages and mechanically connected to the main switch so that it can operate in response to the main switch shifting between an ignition position and a stop position. The passage switching section switches the second communication passage to the first communication passage in response to the main switch shifting from the stop position to the ignition position and switches the first communication passage to the second communication passage in response to the main switch shifting from the ignition position to the stop position..
Honda Motor Co., Ltd.


Engine starting system with purge pump


A starting system for an internal combustion engine that includes: a pump device in communication with a purging and priming circuit of a carburetor; a driven member coupled to the pump device; and a drive member rotatably carried by a recoil starter pulley of an engine. The drive member may positively drive the driven member in two directions, and the driving of the driven member may actuate the pump device..
Walbro Engine Management, L.l.c.


Carburetor base of engine


A carburetor base of an engine defines an axial through hole and a pulsation hole channel. An anti-blocking component is mounted inside the axial through hole and defines an air inlet channel.
Suzhou Cleva Precision Machinery & Technology Co., Ltd


Ice drill


An ice drill. The ice drill includes a power head.

Stratified scavenging two-stroke internal combustion engine and carburetor thereof


A carburetor achieves better emission characteristics while improving a combustion state by increasing a delivery ratio of a stratified scavenging engine and reducing intake resistance. No dividing wall is provided between a throttle valve 204 and a choke valve 242, and a gap 244 between the valves 204 and 242 is opened.
Yamabiko Corporation


Carburetor for stratified scavenging two-stroke engine


The present invention is to prevent mixing of fresh air and an air-fuel mixture when a throttle valve is fully opened and increase a delivery ratio. A main nozzle (30) is surrounded by a tunnel-like air flow guiding member (52).
Yamabiko Corporation


Medical instruments kit and treating uterus prolapse


The invention relates to a medical instruments kit for a surgical intervention with a view to treating the advanced anterior vaginal wall prolapse, very large cystocele, named “cystocele permagna” and the stage ii and iii uterus prolapse. The medical instruments kit comprises a clamp (a) for anchoring the uterine isthmus and some isthmic and suburethral strips (b and c), respectively, the clamp (a) consisting of two long rigid arms (1 and 2) provided with some posterior portions (a and b) spaced apart from each other, joined at the lower side by means of a bridge (3), in front of which the distance between the arms (1 and 2) has the maximum value, the latter being non-removably joined together to form an anterior portion (c), tapered towards an anterior smooth blunt tip (d), in the immediate proximity thereof, in a proximal curved zone (g) of the anterior portion (c) there being cut some upper and lower orifices (e and f), respectively, in front of the bridge (3) the long arms (1 and 2) being distally provided with two left side and right side rings (4 and 5), respectively, an additional ring (6) being integrally attached to a lower portion (i) of the right side ring (5), to the outer side of the long arms (1 and 2), in the proximity of the bridge (3) and before the beginning of the anterior portion (c) there being located two short left side and right side arms (7 and 8), respectively, said arms ending with some smooth blunt tips (g and h).

Stratified two-stroke engine


Various embodiments include two-stroke stratified engines and dual passage carburetors for use with gaseous fuel, such as hydrogen, methane, liquid petroleum gas, pure propane, and butane. A stratified air-head engine and low pressure fuel injected engines with fuel only tube is included..

Intake structure for internal combustion engine


The intake structure for an internal combustion engine includes: a collision surface configured to face an inlet of a carburetor; a deflecting surface configured to deflect a blowback flow, which is to diffuse after colliding against the collision surface, in one direction along the collision surface; a receiving surface configured to receive the blowback flow deflected by the deflecting surface; and a fuel-accumulating surface formed below the collision surface. A first clearance between an air-guiding direction distal end of the deflecting surface and the receiving surface is brought into communication to a downstream side of a filter of an air cleaner in a fresh-air intake direction so as to act as a main intake passage for fresh air..

Energy-saving and emission-reducing disturbing and boosting mixture gas of fuel oil engine


Disclosed is an improved energy-saving and emission-reducing apparatus for disturbing and boosting a mixture gas of a fuel oil engine. A spring-shaped device and a propeller-shaped device for further increasing the degree of mixing and atomizing of the mixture gas are provided in an engine carburetor foam tube (2), a choke tube (7) and the whole mixture gas channel.

Carbureted fuel injection system for a gas turbine engine


A fuel injection system for a gas turbine engine includes a vane in an airflow path within the gas turbine engine, the vane includes an air channel with an outlet in communication with the airflow path; and a fuel nozzle within the vane operable to inject fuel into the air channel to at least partial premix and prevaporize the fuel with a secondary airflow from within the vane in the air channel prior to entry into the airflow path through the outlet. A method of injecting fuel within a gas turbine engine includes at least partially premixing and prevaporizing fuel with a secondary airflow from within a vane in an air channel within the vane, the vane within an airflow path of the gas turbine engine..

Mass-airflow measurement conversion internal combustion engine carburetors


A mass-airflow measurement conversion apparatus for internal combustion engine carburetors includes a plurality of pressure sensors disposed at different location along an air intake path of an internal combustion engine, each sensor adapted to sense a pressure of air flowing into the internal combustion engine and output an electrical signal as a pressure signal corresponding to the sensed air pressure; and a calculation section that receives the pressure signals and generates a mass air flow signal as an output signal based on the received pressure signals.. .
Bc Soflex Llc


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Engine equipped with secondary air supply device


An engine equipped with a secondary air supply device where a cylinder extends obliquely to define a space therebeneath, which includes: a cooling fan disposed laterally of the cylinder; a carburetor disposed closer to the space than the cooling fan; an exhaust muffler disposed opposite from the carburetor with the cylinder interposed therebetween and in communication with a cylinder head via an exhaust pipe; a secondary air introduction pipe connected to the exhaust pipe and extending from the exhaust pipe to the space so that its inlet end portion is located in the space; an intake nozzle provided in communication with the inlet end portion of the introduction pipe and having an opening portion that opens in an opposite direction from the cooling fan; and a partition wall disposed between the opening portion of the intake nozzle and the carburetor.. .
Honda Motor Co., Ltd.


Carburetor with low flow rate fluid passage


A carburetor including a body having a main bore through which a fuel and air mixture is discharged from the carburetor for use by an engine a priming passage communicated with the main bore, a pump that moves fluid into the priming passage, and a flow restrictor received within at least a portion of the priming passage to reduce the minimum effective flow area of the priming passage. The flow restrictor has a body received at least partially within the priming passage so that fluid flows around the flow restrictor and between the structure defining the priming passage and the flow restrictor..
Walbro Engine Management, L.l.c.


Rotary-type carburetor


A rotary-type carburetor (1) according to the present invention includes a body (4) having a bore (2) with a circular cross section, and a valve element (6) to be contained in the bore (2). The valve element (6) rotates between a closed position where the valve passage (16) is blocked from communicating with the body passages (10a, 10b), and a fully-opened position where the valve passage (16) and the body passages (10a, 10b) are aligned.
Yamabiko Corporation


Single barrel carburetor


A single body passage (single venturi) carburetor main body design that offers improved control of the fuel delivery on both the opposing and opposite sides of the carburetors single venturi, this to offer true quadrant tuning of all aspects of fuel delivery in the designs single passage opening. The carburetor main body design may incorporate, a throttle plate(s), a main body assembly, boosters that are associated with a main fuel delivery circuit, idle fuel delivery passages, transfer circuit delivery passages, air venting passages, bowl venting passages and accelerator pump passages.

Carburetor supplemental fuel supply


A carburetor provides a supplemental fuel supply to an engine and includes a body, a fuel metering diaphragm and a fluid pump. The fuel metering diaphragm defines part of a fuel metering chamber and a reference chamber and has at least a portion that is movable relative to the body to increase and decrease the volume of the fuel metering chamber to control fuel flow in the fuel metering chamber.
Walbro Engine Management, L.l.c.


Motorcycle air jet heat shield


The objective of the present invention is to use the principle of an air jet to draw hot air away from the rear of a motorcycle engine for improved cooling, while shielding the leg of the rider from engine and exhaust heat. By reducing heat buildup, the present invention prevents heat discoloration of the intake manifold and carburetor and improves fuel atomization within the carburetor..

Layered diaphragm


In at least some implementations, a carburetor has a metering system that controls fuel flow from a fuel source to an air-fuel passage. The metering system includes a metering diaphragm sealed to a body of the carburetor to at least partly define a metering chamber between the metering diaphragm and the body, and the metering diaphragm has a continuous layer and a discontinuous layer.
Walbro Engine Management, L.l.c.


Main fuel jet and nozzle assembly for a carburetor


A carburetor includes a body with an air intake path, a fuel pump and a fuel pressure regulator and having a main fuel jet and nozzle assembly with a main fuel jet releasably coupled to the body of the carburetor. Alternatively, a main fuel jet and nozzle assembly includes a nozzle and check valve retainer formed as a single component.
Zama Japan Kabushiki Kaisha


Carburetor with single diaphragm for supplying and metering fuel


A carburetor includes a body with an air intake path, a fuel pump and a fuel pressure regulator. The fuel pump and fuel pressure regulator are positioned on the same side of the body.

Flexible reusable smoker's tool


One embodiment of an improved smoker's tool which is flexible, resilient yet minimally rigid for providing a tool for many types of complex smoking and vaporizing devices, which better removes spent organic matter, which can be cleaned and reused, shaped and reshaped, as well as providing a handle (17), and possible embodiments of a reamer (20), tamper (30) and scraping blade (18) as well as other useful implements. The flexible reusable smoker's tool generally includes single or multiple flat strips (11) twisted with strands (10) for part of their length.

Fuel bowl and feeding fuel


A fuel bowl for a carburetor has no valves and is configured for continuous flow of fuel through the bowl. The fuel bowl can be constructed to constrain the constantly flowing fuel within a compartment of the bowl to maintain fuel level in the bowl sufficient to meet the carburetor demand under circumstances of high fuel demand and/or high g-forces.

Carburetor to electronic fuel injection conversion distributor


A carburetor to electronic fuel injection conversion distributor is used in conjunction with a compatible engine control unit and a compatible throttle body so that carbureted engines can be converted into electronic fuel injection engines. The conversion distributor includes a stator distributor housing, a rotor shaft assembly, and a top housing as the rotor shaft assembly is rotatably engaged with the stator distributor housing.

Carburetor air intake housing and air flow enhancing securement plate


An air intake housing and flow enhancing plate for a carburetor with a fluted and contoured air intake opening that flushly aligns with and matches the shape of the carburetor air intake opening. The low profile plate is made of metal for durability and heat resistance.
Five Star Fabricating, Inc.


Throttle control device


A throttle control device includes a throttle lever fixed to a throttle shaft which is arranged to open or close a valve of a carburetor, an elastically deformable tube having a first end connected to a connection point on the throttle lever, the connection point being spaced from a rotating center of the throttle lever, and an intermediary section fixed at a first fixing position spaced from the connection point by a predetermined distance, and a throttle wire slidably accommodated in the tube and having a first end fixed at a second fixing position, the second fixing position being disposed outside the tube and at a dsitance from the first end of the tube, and a second end arranged to be manipulated by means of a throttle control lever so that the throttle wire moves relative to the tube, wherein the tube has a curved portion between the connection point and the first fixing position, the curvature radius of which changes due to the movement of the throttle wire relative to the tube.. .
Husqvarna Ab


Rotary carburetor


In a carburetor, three downstream body passages in the body communicate with three valve passages in the valve element, and the valve element rotates between a closed position and an opened position. The carburetor is a one-bore type carburetor in which the body passages and the valve passages are respectively partitioned with the body partitions and the valve partitions.
Zama Japan Co., Ltd.


Snowthrower including power boost system


A carburetor includes a passageway having a constricted section, a nozzle directed into the passageway proximate the constricted section, and a shaft having a surface that at least partially defines the constricted section. The nozzle is configured to deliver fuel to air passing through the passageway, and the surface includes a contour that is configured to be moved relative to the passageway to change the area of the passageway through the constricted section..
Briggs & Stratton Corporation


Fuel delivery system for an internal combustion engine


A fuel delivery system for an internal combustion engine. The fuel delivery system includes a diaphragm carburettor for mixing air and fuel, a start preparation system for introducing fuel into the carburettor before a start of the engine, and a fuel enrichment system for providing an enriched fuel and air mixture when the engine is cranked..
Husqvarna Ab


Carburetor for air scavenged engine


A fuel and air supply device for an engine includes at least one carburetor body having a main bore and an air passage and an air valve operably associated with the air passage to control air flow through the air passage. In at least some implementations, the air passage has a portion with a reduced dimension compared to a different portion of the passage.
Walbro Engine Management, Llc.


Gaseous fuel and air mixing venturi insert device for carburetor


A gaseous fuel and air mixing venturi device is adapted for installation in a gaseous fuel carburetor and has a venturi body defining annular inner and outer venturi passageways which each have a throat of reduced cross-sectional area and have inlet ends in communication with an air inlet of the carburetor. A fuel inlet is configured for connection to a fuel port of the carburetor, and communicates with a plurality of fuel supply ports in the body communicating radially with the inner and outer venturi passages to mix with the air flowing in the passageways..
Continental Controls Corporation


Carburetor


A carburetor comprises an intake path, a constant volume fuel chamber and a fuel nozzle. The intake path is connected to an intake port of an engine, and is opened and closed by a throttle valve.
Keihin Corporation


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Apparatus for spray injection of liquid or gas


An injection gate is provided for high pressure, high velocity secondary fluid for admixture of an atomized spray thereof with another or primary fluid that atomizes the other fluid. The secondary fluid may be an accelerant and the primary fluid may be a low pressure fuel or fuel/air mixture in a fuel injection arrangement for an internal combustion engine.

Carburetor, carburetor for mocvd using same, center rod for use in the carburetor or carburetor7 for mocvd, dispersing carrier gas, and vaporizing carrier gas


Provided is a vaporizer that can efficiently cool a carrier gas, improve the effect of preventing a material from being clogged near the outlet port of a gas passage, contribute to prolonging the timing of maintenance and improving operating efficiency, and exert more uniform dispersing effect. A vaporizer includes: a center rod inserted into a carrier gas introduction hole formed in a disperser to form the gas passage in cooperation with the inner wall of the carrier gas introduction hole; a cooling part disposed on the outer circumferential side of the carrier gas introduction hole in the disperser to cool the inside of the gas passage; a cooling member insertion hole formed across almost the entire length of the center rod along the axial direction of the center rod; and a cooling member disposed in the inside of the cooling member insertion hole to cool the center rod..
Wacom R&d Corporation


Quad flow torque enhancement flow divider causing improved fuel/air transfer


A wing (1) including a vertical plate (2) and a horizontal plate (3) is placed in the throat of a carburetor (41) or throttle body (93). The wing (1) is located adjacent to and downstream from the throttle valve (46, 94).

Block-off plate assembly for carburetor float bowl


A block-off plate assembly for preventing gasoline leakage near the outer surface of a carburetor bowl of the type used on motorbikes and all-terrain vehicles, comprising two components, the first being a custom-machined plate fabricated from a suitable rigid material. The plate further comprises a smooth, inner planar surface, a parallel, planar outer surface, and a circular channel, machined to a specific depth, into the inner surface.

Fuel shut-off solenoid system


A fuel system that in at least some implementations includes a carburetor having a fluid passage, a solenoid, a valve, a driver circuit and a control circuit. The valve may be moved by the solenoid between an open position permitting fluid flow through the fluid passage and a closed position at least partially inhibiting fluid flow through the fluid passage.
Walbro Engine Management, L.l.c.


Plunger valve for a propane carburetor


A plunger valve. The plunger valve includes a body and a set of flutes on the body configured to reduce wedging during operation and eliminate flutter when connected to a diaphragm.

Heat exchanger and air conditioner provided with heat exchanger


A heat exchanger provided with a plurality of plate-like fins 2 arranged in parallel with a predetermined interval and a plurality of flat-shaped heat transfer pipes 3 inserted in a direction orthogonal to said plate-like fins 2 and through which a refrigerant flows, in which said heat transfer pipe 3 has an outside shape with a flat outer face arranged along an air flow direction and a section substantially in an oval shape and first and second refrigerant flow passages 31a, 31b made of two symmetric and substantially d-shaped through holes having a bulkhead 32 between the two passages inside, which is bonded to said plate-like fin 2 by expanding diameters of said first and second refrigerant flow passages 31a, 31b by a pipe-expanding burette ball.. .
Mitsubishi Electric Corporation


Carburetor and methods therefor


A carburetor having an inlet opening that includes a pair of concavities operative to direct air toward the metering rod of the carburetor. A carburetor having an inlet opening that includes an arcuate manifold adjacent to the inlet opening and in fluid communication with a fuel reservoir.
Apt Ip Holdings, Llc


Apparatus and treating urinary incontinence


A surgical implant for treating female urinary incontinence includes a suburethral support, first and second soft tissue anchors, and first and second elongated members connecting the first and second soft tissue anchors to first and second ends of the suburethral support. The first soft tissue anchor includes a central portion, a plurality of projections extending from the central portion, and a plurality of deflection-limiting features.
Coloplast A/s


Carburetor arrangement


A carburetor for a gas powered internal combustion engine having a plurality of pressure reducing stages for reducing the pressure of the gas phase in a liquified petroleum gas storage bottle prior to the mixing of the gas phase of the liquified petroleum gas with ambient air.. .

Air filter arrangement having a carburetor


An air filter and carburetor arrangement includes a round filter and a round filter carrier having a filter plate. The round filter has a central filter axis, which lies at an angle to the filter plate.
Andreas Stihl Ag & Co. Kg


Carburetor spacer having an embedded fan


A modified carburetor spacer for providing greater efficiency in the operation of internal combustion engine having an attached carburetor (or “carburetor engine assembly”) comprising a conventional carburetor spacer body and a five-blade fan disposed at least one open section of said carburetor spacer body. The modified carburetor spacer can be attached underneath the carburetor of a carburetor engine assembly by means typical to the carburetor spacer installation, including through the use of two metal rods with accompanying nuts and bolts.

Carburetor with one piece choke valve and shaft assembly


A carburetor including a one piece choke valve and shaft assembly including a shaft, a detent plate formed on a first end, a lever arm formed on a second end, a pair of opposing collars formed adjacent the detent plate and lever arm, a valve plate centrally positioned on the shaft, and opposing splines formed on the shaft enabling it to be inserted through an assembly slot cut into a shaft bore in the carburetor body. The detent plate includes a partial annular slot encompassing the angular range of travel of the choke valve.

Automatic fuel shutoff


A combination lever for a carburetor is an integrated shutoff lever and fuel valve. The combination lever includes a longitudinal portion for a handle and a cylindrical portion including a fuel path for the fuel valve.

System and combusting volatile vapors


A system for combusting volatile vapors includes: a carburetor having intake valves for receiving fuel from a fuel source, an from an external an intake, and volatile vapors from a vapor source, the carburetor configured to discharge a combustion mixture into a combustion engine; a plurality of sensors configured to generate sensor data based on a respective plurality of physical properties associated with the carburetor and the combustion engine; a programmable controller configured to receive the sensor data as input from each of the plurality of sensors and to control the intake valves to regulate respective ratios of the fuel, an and the volatile vapors drawn through the carburetor in response to the received sensor data; and a display operatively coupled to the programmable controller to display at least a real-time portion of the sensor data.. .

Regulating device for adjustment angle of pilot screw for carburetor


Provided are a tamper cap (30) which synchronously rotates a pilot screw (20) as being fitted to the pilot screw (20), engaging portions (26−1, 26−2, 33) which engage the pilot screw (20) and the tamper cap (30), a plurality of elastically deforming portions (25−1, 25−2) to which the tamper cap (30) is fitted, and a holding member (40) which is press-fitted to a groove (24) formed at a center part of the elastically deforming portions (25−1, 25−2) and which maintains the engaged state by preventing elastic deformation of the elastically deforming portions (25−1, 25−2). Owing to that the tamper cap (30) is made of metal, the pilot screw (20) and the tamper cap (30) are stiffly fixed with a mechanical structure without using glue, while increasing non-destructivity compared to a resin-made tamper cap..

Carburetor


A carburetor incorporating an air passage, and a fuel passage, and a rotating barrel, the rotating barrel being arranged between the air passage and the fuel passage so that a first portion of its surface is exposed to the air passage, and a second portion of its surface is exposed to the fuel passage. The rotation of the barrel transfers fuel from fuel passage to the air passage via an indent feature, the proportion of that indent feature that is exposed to the air or fuel passage being varied to meter the amount of fuel transferred..

Accelerator device for a carburetor


In at least one implementation a carburetor includes an intake bore with a port opening into the intake bore, a fuel chamber from which fuel is supplied to the intake bore, and an accelerator device including a fuel reservoir. A fuel flow control valve is provided between the fuel chamber and the port to control the flow rate of fuel to the port and at least one passage communicates the fuel reservoir with the port and fuel in the fuel reservoir is supplied to the port therethrough.

Air-cooled engine for working machine


An air-cooled engine for a working machine includes a fan cover, a muffler protector, and an insulator. The fan cover has a guide opening for guiding a cooling air toward an exhaust muffler.

Internal combustion engine


A main nozzle (38) of a carburetor (10) communicates with a metering chamber (26) through a first fuel feeding passage (44) originally included in the carburetor and a first additional fuel feeding passage (46). The first additional fuel feeding passage (46) includes a flow rate adjusting valve (48).

Power equipment with throttle release actuator


An outdoor power tool may include an engine, a carburetor configured to provide a fuel and air mixture to the engine based on operation of a throttle assembly, a selector and a throttle release actuator. The selector may be operably coupled to the throttle assembly to control a position of the throttle assembly in a selected one of a plurality of throttle positions.

Tyer carburetion process


A means for improving prior art combined cycle combustor and/or gasifiers and/or plural thermodynamic cycle gasification systems by introducing and utilizing an auger for the continuous feeding, agitation, tumbling, advancement and discharge of heterogenous carbonaceous fuel. In addition to the aforementioned improvement, i have included provisions for fontana's water gas shift reaction utilizing refectory embedded down-tubes that convey steam and oxygen into and through the chambers fluidized bed..

Plunger lifting mechanism of a rotary-valve gas carburetor


A plunger lifting mechanism of a rotary-valve gas carburetor includes a carburetor body, a cam, a plunger, a torsion spring, a fixed plate, a throttle wire bracket, a main measuring needle, a sleeve and a main jet pipe. The plunger is rotatablely mounted in the carburetor body, which passes through the cam, the torsion spring and fixed plate in turn and then extends out of the carburetor body, and a top of the plunger is connected with the throttle wire bracket and then fixedly connected with the sleeve; the fixed plate is fixedly connected with the carburetor body; one end of the torsion spring is elastically suppressed by the fixed plate, and the other end of the torsion spring is elastically suppressed by protrusions on side walls of the plunger.

Diaphragm carburetor with fuel metering compensation


A fuel and air supply device for an engine includes a carburetor having a fuel metering assembly with a fuel metering diaphragm defining at least part of a reference chamber, a scavenging air assembly including an air passage and an air valve moveable within the passage to alter air flow through the air passage, and a reference passage. The reference passage communicates at one end with the air passage upstream of the air valve and at its other end with the reference chamber to provide a reference air signal through the reference passage to the reference chamber.

Fuel injection system for internal combustion engine


A kit for replacing a carburetor-based fuel delivery system for internal combustion engines with an electronic fuel injection system has an electronic control unit receiving signals from pressurization pump and a number of sensors mounted on the throttle, engine and the manifold. According to the invention, the standard manifold is replaced with the machined manifold which carries at least one fuel injector with a nozzle that can extend into an intake chamber of the engine.

Solenoid autochoke for an engine


A choke system for an internal combustion engine includes a carburetor having an air intake, a choke valve disposed in the air intake, and a choke lever coupled to the choke valve, wherein the choke valve is movable between a closed position and an open position, a mechanical linkage coupled to the choke lever, and a solenoid attached to the carburetor and coupled to the mechanical linkage so activation of the solenoid moves the choke valve, wherein the solenoid is activated in response to activation of a starter system of an internal combustion engine, thereby moving the choke valve via the mechanical linkage to the closed position.. .

Carburetor for a hand-guided power tool and hand-guided power tool


A carburetor for a hand-guided power tool has a carburetor housing and a carburetor rotor supported rotatably in the carburetor housing about an axis of rotation. A needle is disposed on the carburetor rotor and projects into a fuel opening of the carburetor.

Four cycle engine carburetors


Various embodiments include engine carburetors. Various embodiments provide for methods of cylinder manufacturing engines.

Pulse generator used for a one-step starting carburetor


A pulse generator used for a one-step starting carburetor includes a pulse chamber, a lower cover, a support and a solenoid valve. Two types of pulse are produced in the pulse chamber: the normal pulse and the crowding pulse.

One-step starting carburetor


A one-step starting carburetor includes a body, and a pulse generator and an oil pumping unit which are connected with the body. The oil pumping unit can produce an oil pumping function to pump fuel from an oiler to the carburetor when a flywheel of an engine is revolving.

Method of treating incontinence


An implant for use in the treatment of urinary incontinence includes a suburethral support and an anchor portion extending from the support portion. The support portion is operatively positionable at or distal to the bulbar urethral complex and the anchor portion is operatively extensible through the obturator foramen..

Carburetion control system


System for controlling the carburetion of an internal combustion engine comprising the following activities: a) starting the engine; b) determining the factor λo using any known method; c)measuring the ionization current cio; d) modifying—from outside—the factor λ by a predefined amount equivalent to Δλ bringing it to the value λ1=λo+Δλ; e) repeating the measurement of the ionization current ci1; f) calculating the value of the difference of the ionization current aλci1 equivalent to cio-ci1; g) repeating operations d. And e.

Airflow attachment assembly for carburetor


A carburetor attachment assembly for improved engine performance including an airflow crown and a mating air cleaner base. The air flow crown is adapted to detachably mount atop a carburetor and has a contoured intake surface that guides and directs airflow into the mouth of the carburetor.



Buret topics:
  • Combustion
  • Downstream
  • Internal Combustion Engine
  • Polyurethane
  • Control Unit
  • Circuit Board
  • Fuel Reservoir
  • Transverse
  • Homogeneous


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