This page is updated frequently with new Buret-related patent applications.
|Carburetor for internal combustion engine|
In an automotive carburetor, the time delay in the response of the engine to the change in the cross sectional area of the air passage is minimized, and a high level of freedom in selecting the communication cross section area of the air passage and the air fuel ratio for the given load of the engine. The carburetor (1) comprises a fuel passage (13) including a fuel nozzle (16) for supplying fuel to the intake passage, a first air passage (14) communicating with the fuel passage to supply air to the fuel passage, a variable communication unit (21, 41) provided in a part of the first air passage and moveable between an open position for communicating the first air passage and a closed position for shutting off the first air passage and a switch mechanism (22, 43) for moving the variable communication unit between the open position and the closed position in dependence on a load of the engine..
Honda Motor Co., Ltd.
|Stratified scavenging two-stroke internal combustion engine, air cleaner of the same, and intake method|
An amplitude of a pressure fluctuation in a vicinity of a main nozzle of a carburetor (32) is decreased. An air cleaner (30) has a first inlet (60) that feeds air to an intake system air channel, and a second inlet (62) that feeds air to an intake system air-fuel mixture channel.
|Carburetor with throttle shaft retainer|
A carburetor with throttle shaft retainer system. The throttle shaft retainer system employs a retainer member in the form of a retainer pin or retainer clip that is pressed into the body of the carburetor to engage a retainer groove formed about or partially about the circumference of the throttle shaft.
Usa Zama Inc.
|Batteryless dual fuel engine with liquid fuel cut-off|
A dual fuel engine includes an engine operable on a gaseous fuel and a liquid fuel and a switch to change operation of the engine between gaseous fuel and liquid fuel. The dual fuel engine also includes a carburetor attached to an intake of the engine to mix air and fuel and connect to a gaseous fuel source and a liquid fuel source.
Champion Engine Technology, Llc
|Attachment structure for solenoid valve to carburetor unit|
An attachment structure for a solenoid valve which can be stably attached to and removed from a carburetor unit with a single movement and without increasing the number of parts. A rod-like supporting portion is disposed a predetermined distance away from a surface of a carburetor unit and extending in a direction substantially perpendicular to a direction of and installed near an opening in the surface of the carburetor unit.
Zama Japan Kabushiki Kaisha
|Carburetor for two-stroke internal combustion engine|
A carburetor for a two-stroke internal combustion engine whereby airtightness is maintained and intake of uncombusted fuel into an air path is prevented. The carburetor includes a circular cylindrical valve hole and a rotary valve fitted into the valve hole such that it can rotate and is disposed perpendicularly across a fuel intake path and an air intake path which are formed substantially parallel with respect to each other, and a fuel supply-side bore which controls the flow rate along the fuel intake path and the air supply-side bore which controls the air capacity along the air path pass through part of the cylindrical portion perpendicularly to the axial direction of the rotary valve, and annular recesses formed in part of a circumferential wall of an outer circumference of the rotary valve so as not to correspond to at least the fuel supply-side bore and the air supply-side bore..
Zama Japan Kabushiki Kaisha
|Apparatus and the treatment of stress urinary incontinence|
An apparatus and method for the treatment of stress urinary incontinence. The apparatus includes a suburethral sling having an adjustment member for adjusting the tension of the sling both during the procedure and post-procedure.
Boston Scientific Scimed, Inc.
|Automatic choking mechanism for internal combustion engines|
An air/fuel mixing apparatus configured for use with an internal combustion engine including a carburetor including a body defining a passageway therethrough and a choke valve positioned in the passageway, a solenoid, and a thermal switch configured to energize or de-energize the solenoid. The solenoid is configured to move the choke valve between the choke open position and the choke closed position, wherein the solenoid includes a rotary shaft coupled to a choke lever, and a thermostatic element coupled to the rotary shaft.
Briggs & Stratton Corporation
|Fusible biodegradable sutures utilizing tissue soldering technology|
This disclosure concerns suburethral and pelvic support structures which utilize tissue soldering materials instead of, or in addition to, traditional tissue anchors and suture knots. It further concerns methods of treating patients that includes implanting these structures and activating the tissue soldering materials to attach the structures to a tissue in the body of the patient..
Boston Scientific Scimed, Inc.
|Engine 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
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
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.
Zama Japan Kabushiki Kaisha
Carburetor 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
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
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.
Throttle 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.
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.. .
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.
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.
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.
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.
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.
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.
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..
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.
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.
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
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.
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).
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