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Crank patents



      
           
This page is updated frequently with new Crank-related patent applications. Subscribe to the Crank RSS feed to automatically get the update: related Crank RSS feeds. RSS updates for this page: Crank RSS RSS


V-type engine, outboard motor, and vessel

Method for the production of a connecting rod for an internal combustion engine

Oil pump drive

Date/App# patent app List of recent Crank-related patents
08/28/14
20140244141
 Using camshaft timing device with hydraulic lock in an intermediate position for vehicle restarts patent thumbnailnew patent Using camshaft timing device with hydraulic lock in an intermediate position for vehicle restarts
A method of using a mid-position lock vct phaser in an engine with a stop-start mode of operation with the steps of: when the engine is in a stop mode of the stop-start mode: adjusting a duty cycle of an actuator coupled to the control valve of the phaser to command the control valve to the retard mode; maintaining the duty cycle of the actuator to command the control valve to remain in the retard mode until an automatic restart of the engine. If the key is detected in an off position either restarting the engine; commanding the phaser to the detent mode, such that the lock pin is moved to a locked position and the phaser is locked in an intermediate phase angle position; and shutting down the engine or commanding the phaser to detent mode during engine cranking during a next engine restart..
08/28/14
20140243160
 Total body exercise equipment patent thumbnailnew patent Total body exercise equipment
This invention relates to total body exercise equipment. The exercise equipment includes a first crankshaft to which first crank arms having grips and a first sprocket are installed and a second crankshaft to which second crank arms having pedals, a second sprocket and a third sprocket are installed.
08/28/14
20140243158
 Crank for exercise equipment which helps prevent injuries on a rider's ankle during an unexpected drop in speed and assists in avoiding stress on the knees of a rider during exercising patent thumbnailnew patent Crank for exercise equipment which helps prevent injuries on a rider's ankle during an unexpected drop in speed and assists in avoiding stress on the knees of a rider during exercising
An exercise equipment with an improved connecting bar connecting an exercise foot retaining device to a resistance, wherein a first longitudinal pedal bar is connected to a first bent longitudinal pedal connector bar and a second longitudinal pedal bar connected to a second bent longitudinal pedal connector bar, the bent first and second longitudinal connector bars each having a bent angle greater than zero and less than ninety degrees to thereby prevent the occurrence of a dead angle.. .
08/28/14
20140242277
 Method for the production of a connecting rod for an internal combustion engine patent thumbnailnew patent Method for the production of a connecting rod for an internal combustion engine
A method for producing a connecting rod for an internal combustion engine, having a small connecting rod eye for holding a piston pin and having a large connecting rod eye for holding a crank pin, wherein at least one connecting rod eye has at least one geometric deviation from a cylindrical inner contour. It is provided according to the invention that the at least one connecting rod eye is formed by creating a bore with a cylindrical inner contour, and coating the bore with a coating comprising a resin with solid lubricant particles embedded therein.
08/28/14
20140241908
 Piston-driven positive displacement pump patent thumbnailnew patent Piston-driven positive displacement pump
In an embodiment of the present invention a pump (100) is disclosed which comprises a head (110), in which at least a cylinder is fashioned in which a piston (105) is slidably housed, and a casing (145) fixed to the head (110), which defines an internal volume in which a crankshaft (150) and at least a conrod (155) are housed, which at least a conrod (155) connects the crankshaft (150) with the piston (105), such as to be able to transform a rotary motion of the crankshaft (150) into an alternating motion of the piston (105), signaling means (210) of the temperature of lubricating oil contained in the internal volume of the casing (145) being applied to the casing (145).. .
08/28/14
20140241839
 Apparatus and methods for removal of pills from packaging patent thumbnailnew patent Apparatus and methods for removal of pills from packaging
A pill extractor removes pills from a blister pack. In some embodiments, the pill extractor is designed to remove all of the pills from a blister pack for distribution or disposal.
08/28/14
20140241838
 Apparatus and methods for removal of pills from packaging patent thumbnailnew patent Apparatus and methods for removal of pills from packaging
A pill extraction device removes pills from a blister pack. The blister pack sits on a plate of the device, while a roller rolls across the blister pack to contact the blisters a row at a time and applies a force sufficient to extract the pills through the backing of the blister pack.
08/28/14
20140239637
 Automatic vehicle stop restart system patent thumbnailnew patent Automatic vehicle stop restart system
An electrical system for vehicles that connects multiple batteries in parallel during normal operation but isolates the cranking battery and the starter system from the other batteries and their loads when the engine is started. A common charging system simultaneously maintains all of the batteries.
08/28/14
20140238365
 Engine having pcv separator inlet shielded by head gasket geometry patent thumbnailnew patent Engine having pcv separator inlet shielded by head gasket geometry
An engine includes an engine block that defines a drain-back passage and a positive crankcase ventilation (pcv) passage. The drain-back passage and the pcv passage are disposed in fluid communication with each other.
08/28/14
20140238361
 Supercharger assembly with independent superchargers and motor/generator patent thumbnailnew patent Supercharger assembly with independent superchargers and motor/generator
An assembly for controlling air flow to an engine includes a first supercharger(20) and a second supercharger (22). The superchargers are arranged in parallel with one another and in series with the throttle (70) in the air flow to the engine cylinders, and are configured to be operatively connectable with the engine upstream in the air flow to the cylinders.
08/28/14
20140238358
new patent Rotary disk valve arrangement
The invention relates to a rotary disk valve arrangement having a crankcase for accommodating a crankshaft, wherein the crankcase has an inlet opening for fresh air and at least two rotary disk valves for regulating an ingress of fresh air into the crankcase, wherein the at least two rotary disk valves have in each case one axis of rotation and are mounted so as to be rotatable relative to one another for the purpose of at least partially opening up and closing off the inlet opening, and wherein the at least two rotary disk valves are arranged on the crankcase at a coupling surface of the crankcase. The coupling surface has at least one further inlet opening, and the at least two rotary disk valves comprise in each case at least two rotary valve openings for the purpose of at least partially opening up the at least two inlet openings..
08/28/14
20140238357
new patent Structure of engine
A structure of an engine includes: a crankshaft module configured to convert reciprocal motion of a piston into rotational motion; and a first balance shaft module and a second balance shaft module configured to reduce vibration of the engine, in which the first balance shaft module is directly gear-meshed with the crankshaft module, and the second balance shaft module is gear-meshed with the crankshaft module through an intermediate gear.. .
08/28/14
20140238344
new patent System and method for limiting a volumetric efficiency of an engine during engine cranking to reduce emission
A system according to the principles of the present disclosure includes an engine cranking module and a throttle control module. The engine cranking module determines whether an engine is cranking based on at least one of an input received from an ignition system and engine speed, and generates a signal indicating whether the engine is cranking.
08/28/14
20140238339
new patent Engine and outboard motor
An engine includes a catalyst disposed inside an exhaust passage that guides exhaust discharged from a combustion chamber and a controller programmed to control a throttle valve and a fuel injector. If the engine is overheating, the controller is programmed to control the opening degree of the throttle valve or the injection amount of fuel from the fuel injector to decrease the rotational speed of the crankshaft and to control the injection amount of fuel from the fuel injector to set a target air-fuel ratio to a value richer than a stoichiometric air-fuel ratio..
08/28/14
20140238335
new patent Oil pump drive
An engine is provided herein. The engine includes a crankshaft, an engine casing, an oil pump, and an accessory drive, the oil pump having an input member which is driven from the crankshaft at a location on the opposite side of the accessory drive to the engine casing..
08/28/14
20140238320
new patent Engine accessory mount for improved stretch belt installation
An engine includes an engine structure defining a plurality of cylinders. A crankshaft is rotatably mounted to the engine structure and a plurality of pistons are each disposed in a corresponding one of the plurality of cylinders and drivingly connected to the crankshaft.
08/28/14
20140238204
new patent Tool for fitting and removing screw means on a rear side of an object
A tool (1) for fitting and removing a screw (2) situated on a rear side (3a) of an object (3). The tool (1) has a first straight section (1a) by which a turning movement may be imparted to the tool (1), a second straight and coaxial section (1c) provided with a socket (8) for being fastened on the screw (2), and a connecting section (1b) between the first straight section (1a) and the second straight section (1c).
08/28/14
20140238163
new patent Cable transportation system switch
A switch for a cable transportation system has a movable guide with one degree of freedom, along an operating plane, between two designated or given positions; and an actuating assembly having a rotary actuator, and a crank which is rotated by the rotary actuator between two limit stops about an axis of rotation perpendicular to the operating plane, and is connected to the movable guide in such a manner as to define a mechanism having two stable positions corresponding to the designated or given positions of the movable guide when the crank is in the limit stop positions.. .
08/28/14
20140238120
new patent System and method for detecting stochastic pre-ignition
A system according to the principles of the present disclosure includes a vibration intensity module and a stochastic pre-ignition (spi) detection module. The vibration intensity module determines a vibration intensity of an engine over a first engine cycle and a second engine cycle.
08/28/14
20140237997
new patent V-type engine, outboard motor, and vessel
A v-type engine includes two exhaust manifolds connected to two cylinder banks. First and second exhaust ports, respectively provided in the two cylinder banks, are disposed at an inner side of v-shaped lines.
08/28/14
20140237961
new patent Crankcase gas separator
A gas separator for removing contaminants from a crankcase gas which is produced during operation of an internal combustion engine includes a centrifugal rotor with a plurality of separation discs for separating the contaminants from the crankcase gas, the centrifugal rotor being arranged inside a stationary rotor housing having a gas inlet for conducting crankcase gas to the centrifugal rotor and a gas outlet for discharging the cleaned crankcase gas from the centrifugal rotor, and an electric motor which is arranged for rotation of the centrifugal rotor about a rotational axis, and a gear device is arranged between the electric motor and the centrifugal rotor, the gear device having a gear ratio arranged to increase the rotational speed of the centrifugal rotor in relation to the electric motor.. .
08/21/14
20140236408
Method and device to provide adaptive oil priming functionality
A method and a device are provided for operating a pre-lubrication system for an internal combustion engine of a hybrid electrical vehicle after vehicle start up, wherein the hybrid electrical vehicle also comprises. The electric engine is turned on at vehicle start up and the internal combustion engine is turned on at vehicle start up or after a period of time after vehicle start up.
08/21/14
20140235516
Lubricant composition for marine engine
A lubricant composition for 4-stroke or 2-stroke marine engine includes at least one lubricant base oil for marine engine, at least one olefin copolymer, at least one hydrogenated styrene-isoprene copolymer, at least one glycerol ester and at least one detergent, whose use promotes fuel economy and has good properties regarding engine cleanliness, in particular crankcase cleanliness.. .
08/21/14
20140235391
Accessory drive belt transmission system for automobile and v-ribbed belt used for the same
When the rotational speed of an engine 11 is equal to or higher than 4000 rpm, the rotational fluctuation ratio of a crank shaft pulley 13 at an outer circumferential surface thereof is sometimes equal to or greater than 6%. Moreover, in the layout in which a v-ribbed belt 20 is wound on a plurality of pulleys 14, 15, at least one of span lengths is equal to or longer than 220 mm.
08/21/14
20140234134
Pressurized oil delivery system for a reciprocating air compressor
A pressurized oil delivery system for a reciprocating air compressor includes an oil pump having an inlet port connected to an oil pickup tube and an outlet port connected to a filter inlet tube and a user interface panel mounted to a crankcase of the air compressor. The filter inlet tube may be connected to an oil filter assembly supported on an exterior face of the user interface panel.
08/21/14
20140233874
Half thrust bearing and bearing device
A half thrust bearing having a semicircular ring shape for receiving an axial force of a crankshaft of an internal combustion engine is provided. The half thrust bearing includes thrust reliefs formed adjacently to end surfaces on both sides in a circumferential direction on a slide surface side which receives the axial force so that wall thicknesses become thinner toward the end surfaces.
08/21/14
20140231563
Kitchen shredder
An apparatus for pre-composting organic material, comprising: a housing with two openings and a pre-composting means between the two openings wherein kitchen scraps may be fed in the first opening and the pre-composted scraps exit the second opening. In an embodiment of the present invention the pre-composter includes: a lid assembly which may facilitate feeding scraps into the pre-composter; a hopper and blade assembly for pre-composting or cutting and shredding the scraps; a component tray for securing the housing to the hopper; a bin for collecting the pre-composted scraps; and a crank assembly which delivers rotational power to the blade assembly..
08/21/14
20140231163
Bicycle having an electrical auiliary drive
A bicycle having a pedal crank drive (12) and having an electrical auxiliary drive, which is connected to the pedal crank drive (12), is described, which has a wheel hub motor (7) having a freewheel hub for the rear wheel (6). To provide advantageous drive conditions, it is proposed that the wheel hub motor (7) for the rear wheel (6) have a drive connection via a transmission gearing (8) to an electrical auxiliary motor (9) of identical size..
08/21/14
20140230798
Internal combustion engine and method for operating an internal combustion engine
The invention relates to an internal combustion engine (1) with a crankcase (3) and a cylinder head (4) having exhaust ports (9) feeding into an exhaust manifold (10) for exhaust gas from the combustion chambers (5) of the internal combustion engine (1). Provision is hereby made for the cylinder head (4) to include at least one region of a heating channel (12) which is different from the exhaust ports (9) and the exhaust manifold (10) and has an inlet side (14) branching from one of the exhaust ports (9) or the exhaust manifold (10), and which is flowed through by an exhaust mass flow that is adjustable by an actuator (13).
08/21/14
20140230771
Nutating balancer for internal combustion engine
A nutating balance device for mitigating vibrations of an internal combustion engine having a crankshaft includes a coupler coupled to the engine crankshaft. The device also includes a weight coupled to the coupler.
08/21/14
20140230711
Mobile operations chassis with controlled magnetic attraction to ferrous surfaces
A chassis clings to a ship hull or other ferrous surface by a magnet that moves toward or away from the surface to adjust the magnet air gap and thus the attractive force. The magnet(s) can be the only clinging force or used with other sources such as a suction chamber or fluid jet drive.
08/21/14
20140230428
Stirling engine
A stirling engine 10a includes: cylinders 22 and 32; pistons 21 and 31, gas lubrication being performed between the corresponding cylinders 22 and 32 and the pistons 21 and 31; a crankcase 62 that is provided with a crankshaft 61 converting a reciprocating movement of the pistons 21 and 31 into a rotational movement; and a cooler 45 that cools a working fluid performing expansion work, wherein a start timing is adjusted based on an internal humidity of the crankcase 62.. .
08/21/14
20140230381
Separating device, an internal combustion engine and centrifugal separator assembly and a method of separating contaminants from crankcase gas
An internal combustion engine and centrifugal separator assembly separates contaminants from crankcase gas. A crankcase is connected to the centrifugal separator including a centrifugal rotor.
08/21/14
20140230206
Method of eliminating the heat affected zone in a welded crankshaft
A method of manufacturing a crankshaft comprising providing two parts, each part comprising two webs, a portion of a crank journal and a portion of a main journal, welding the two portions of the crank journal together, heating the crank journal, inserting a shim between the webs, and upset forging to reduce the length of the crank journal to form a forged segment. Alternatively, the portions of the main journal may be welded, heated, shimmed, and forged to form a forged segment.
08/14/14
20140228162
Manufacture and use of parallel eccentric electro-mechanical actuator
A parallel eccentric electro-mechanical actuator provides motive power and includes an electric prime mover that drives the reducer's pinion gear. This pinion drives minimum three star gears with stationary shaft bearings.
08/14/14
20140227117
Scroll compressor
A scroll compressor includes a compression mechanism, a crankshaft, upper and lower bearings, and a drive motor. The compression mechanism includes fixed and movable scrolls engaged with each other to form a compression chamber.
08/14/14
20140227114
Discharge muffling chamber for refrigeration compressors and process for closing a discharge muffling chamber
The compressor comprises a crankcase with at least one discharge muffling chamber having a bottom end wall provided with a threaded blind axial hole, a surrounding lateral wall, and an open end which defines an annular seat extending throughout the whole radial width of the surrounding lateral wall. A sealing gasket comprises a peripheral annular portion to be seated on the annular seat, and a median hole.
08/14/14
20140227048
Internal milling cutter
An internal milling cutter for producing a recess terminating in a radius in a workpiece, in particular for milling a crankshaft, comprises a tool holder having interchangeable cutting inserts detachably attached thereto. For the production of the radius, a plurality of first interchangeable cutting inserts are provided, which are arranged one after another in the direction of cut and have cutting edges which produce complementary portions of the radius, wherein the first interchangeable cutting inserts for producing the radius are identically configured..
08/14/14
20140225393
Apparatus and related methods of tarping a flatbed trucking payload
Generally disclosed is a device for simply and inexpensively tarping the payload of any truck bed without placing the tarper, the tarp, or the payload in danger of injury. In a preferred embodiment, the disclosed device generally comprises: (1) a rolled or bunched tarp that is installed on a first portable and adjustable riser; (2) a cable and cable crank installed on a second portable and adjustable riser; (3) wherein the cable may be attached to the tarp so that cranking the cable crank will unroll or unbunch the tarp and suspendedly draw the same toward the second riser; and (4) wherein the risers are removable from the truck bed..
08/14/14
20140225346
Compact, collapsible bicycle
The invention relates to a compact, foldable bike with small wheels and a bicycle drive for driving the rear wheel, comprising a traction mechanism or a spur-gear transmission, driven by a crank, the distance of the bottom-bracket axle to the rear-wheel axle being larger than half the outer diameter of the rear wheel. The bicycle exhibits a front frame part and a rear frame part that are rotatably connected to each other by a folding hinge that is aligned at right angles to the ground plane, whereby the front frame part, the rear frame part, and a front-wheel fork, in the folded state, seen laterally, form the sides of a triangle having the following characteristic combination of features: the bicycle is ridden while standing up, the driving wheel and the output wheel of the bicycle drive are arranged on the same side of the bicycle frame and the steering tube exhibits a lower and an upper steering tube, that in the folded state of the bicycle are folded-in laterally beside the front wheel.
08/14/14
20140224233
System and method for storing crankcase gases to improve engine air-fuel control
A system and method for improving processing of gases contained within the crankcase of an internal combustion engine is presented. The system is especially suited for single boiling point fuels because it allows the storage of such fuels until the fuel can be opportunistically combusted..
08/14/14
20140224232
Ventilation control apparatus for internal combustion engine
A ventilation control apparatus for a supercharged internal combustion engine that can perform crankcase ventilation favorably. A system includes a supercharging system, an egr mechanism, and a blow-by gas reflux mechanism.
08/14/14
20140224206
Dimpled surface features for radiated noise attenuation in engine front covers
An engine assembly is provided including a block defining a plurality of cylinders. A plurality of pistons are disposed in the plurality of cylinders and a crankshaft is drivingly attached to the plurality of pistons.
08/14/14
20140224196
Crankshaft
A crankshaft having a front end, a rear end, and a central axis extending from the front end to the rear end is provided. The crankshaft includes a front crankpin, a rear crankpin, and one or more central crankpins.
08/14/14
20140224116
Journel-less crankshaft and non-friction variable speed transmission with inherent clutch and free spin
A pressure driven apparatus comprising a housing, at least one flexible membrane located within the housing dividing the interior of the housing into at least two chambers. At least one input or exhaust cam assembly operates in conjunction with the at least one flexible membrane to provide an expansion zone within the housing.
08/14/14
20140224064
Rotary actuator with shortest force path configuration
A parallel eccentric electro-mechanical actuator provides motive power and includes an electric prime mover that drives the reducer's pinion gear. This pinion drives minimum three star gears with stationary shaft bearings.
08/14/14
20140224061
Connecting rod
A connecting rod for converting a linear motion of a piston into a rotational motion of a crankshaft may include a small connecting eye for connecting the connecting rod in a rotatable manner to a pin of the piston and a large connecting rod eye for connecting the connecting rod in a rotatable manner to the crankshaft. The connecting rod may include at least one eccentric lubricating groove disposed in at least one o an inner face of the large connecting rod eye, an inner ace of the small connecting rod eye, and a bearing bush arranged in the small connecting rod eye.
08/14/14
20140223895
System for adaptively providing power from a series of fluid pumps to a series of fluid motors
A fluid energy distribution system that has three general elements; the fluid energy providers; the means for fluid energy distribution; and the fluid drivers. The fluid energy providers input energy into hydraulic fluid in the form of fluid pressure and flow.
08/14/14
20140223798
Decoy anchor assembly
An anchor for use with a buoyant decoy used in hunting has a hollow anchor housing configured for detachable engagement with the buoyant decoy, the hollow housing having an anchor head portion, a ballasted and ballastible anchor shaft portion and a hook portion unitary connected to the anchor shaft portion. A reel assembly with a spool of an anchor line is positioned in the anchor housing.
08/14/14
20140223727
Segmented-coil manufacturing method, segmented-coil manufacturing device, and segmented coil manufactured using the method and the device
In a segment coil manufacturing method for manufacturing a segmented coil by bending a flat rectangular conductor using a forming die so that the segmented coil has a circular arc section, a crank section, and a protrusion-shaped section, the forming die includes an outer peripheral surface forming upper die, an inner peripheral surface forming upper die, an inner peripheral surface forming lower die, and an outer peripheral surface forming lower die, and the method includes forming the circular arc section, the crank section, and the protrusion-shaped section while holding at least two surfaces of the outer peripheral surfaces of the flat rectangular conductor by the outer peripheral surface forming upper die, the inner peripheral surface forming upper die, the inner peripheral surface forming lower die, and the outer peripheral surface forming lower die.. .
08/14/14
20140223708
Method and device for finishing work pieces
In order to shorten a process chain during material removing machining of a crank shaft, after rough machining and after hardening according to the invention a combination of single point turning with subsequent tangential turning and/or finishing and/or fine dry grinding and/or electrochemical etching is proposed as a second step.. .
08/14/14
20140223707
Method and device for finishing work pieces
In order to shorten a process chain for chip removing processing of a crank shaft after coarse machining and after hardening according to the invention a combination of turn milling or single point milling is proposed as a first step and a subsequent line machining step through finishing or electro chemical etching is proposed.. .
08/07/14
20140222316
Control apparatus and control method for internal combustion engine
A control apparatus and a control method for an internal combustion engine in a vehicle in which a battery and the internal combustion engine are mounted estimate a temperature of the internal combustion engine based on battery voltage. The control apparatus estimates water temperature tws, at the time of starting up the internal combustion engine, based on battery voltage vb before starting the startup of the internal combustion engine or minimum value vbmin of battery voltage vb during cranking.
08/07/14
20140222268
Bicycle control apparatus
A bicycle control apparatus is basically provided for controlling a bicycle in which a first rotational force of a crank and a second rotational force of an electric riding assistance motor for riding assistance are transmitted to a rear sprocket. The bicycle control apparatus includes a rotational force detector and a controller.
08/07/14
20140221158
Static cycling machine
A static cycling machine includes a base assembly. A front post support structure is arranged on the base assembly.
08/07/14
20140221151
Bicycle drive unit
A bicycle drive unit includes a motor, a crank axle, a torque combining mechanism, and a clutch mechanism. The crank axle is rotatable about a first rotational axis.
08/07/14
20140220868
System for dressing a centrifugal clutch
A system for dressing centrifugal clutches has a drum tool with an internal abrasive surface, and a flap tool with abrasive flaps. The drum tool can replace the clutch drum on the clutch driven shaft to dress the clutch shoes, or the flap tool can replace the clutch shoes and mechanism on the clutch drive shaft, which may be the engine crankshaft, to dress the clutch drum.
08/07/14
20140219850
Compressor bearing assembly
A compressor is provided that may include a drive shaft, a compression mechanism, a bearing and an unloader. The drive shaft may include a main body and a crank pin extending from the main body.
08/07/14
20140219827
Cranked rod pump method
An improved apparatus and method are disclosed, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (crp) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The crp apparatus includes a motor driven cranked mechanical actuator arrangement.
08/07/14
20140219824
Pump system and method thereof
A pump system includes a plurality of pump assemblies. Each pump assembly having a power assembly and a fluid assembly.
08/07/14
20140217695
Crank assembly
This invention provides a novel solution for an optimally powered crank for a human-powered vehicle, such as a bicycle. This invention includes a novel system and method to optimize the length of each crank arm throughout the revolution of the crank assembly.
08/07/14
20140216415
Cold start up auxiliary system for alcohol and flex engines with air-inlet and alcohol warm up
An internal combustion vehicle cold start control system method is provided. The method includes warming alcohol and air when a door handle is actuated, while the engine is cold and starting an electric turbine connected to an intake manifold.
08/07/14
20140216406
Combustion method for piston combustion engines
A combustion method for reciprocating internal combustion engines, in particular diesel engines, whose fuel injection system operates with pre-injection involves two pre-injections during a cold start phase, which are carried out prior to reaching top dead center of a piston. A first pre-injection is performed at approximately 25° ca before top dead center and a second pre-injection is performed at approximately 5° ca before top dead center.
08/07/14
20140216399
Methods for adjusting engine throttle on vehicle with generator
A method is performed by a controller on a vehicle. The method includes determining a rotational speed of a crankshaft of an internal combustion engine of the vehicle.
08/07/14
20140216396
Direct injection gasoline engine and method of controlling the direct injection gasoline engine
A direct injection engine includes an ignition assistance section applying energy to fuel injected into a cylinder using an injector to assist auto-ignition combustion of the fuel when the engine is within an auto-ignition combustion operation range. A start time of fuel injection is set within a period from a terminal stage of a compression stroke to a compression top dead center.
08/07/14
20140216392
Motorcycle engine
A motorcycle engine comprises an oil pump and a cam chest cover. The cam chest cover comprises a crankshaft pinion bearing and a camshaft bearing.
08/07/14
20140216377
Valve timing adjustment system
Provided is a valve timing adjustment system having improved control for achieving a target rotational phase. The valve timing adjustment system includes: a displacement mechanism unit that displaces a rotational phase of a camshaft relative to a crankshaft of an internal combustion engine; a locking mechanism unit that locks the rotational phase at an intermediate locked phase positioned within a displacement range of the rotational phase; a hydraulic pathway that hydraulically drives the displacement mechanism unit and the locking mechanism unit; and a control unit including a control system that controls operations of the hydraulic control valve.
08/07/14
20140216371
Spray cooled oil system for an internal combustion engine
An engine includes a crankcase defining a crankcase space, a first shaft disposed at least partially within the crankcase and supported for rotation by the crankcase, and an oil pump coupled to the first shaft and operable to draw low pressure oil from the crankcase and discharge a flow of high pressure oil. A pressure relief path is positioned to selectively receive a portion of the flow of high pressure oil and a pressure relief assembly is coupled to the pressure relief path and is arranged to spray the portion of the high pressure flow that passes through the pressure relief passage against an interior surface of the crankcase..
08/07/14
20140216205
Crank assembly
The invention is a crank assembly designed to allow the length of the crank arms to vary throughout the revolution of the crank. A spindle is attached to the bottom bracket assembly of a bicycle.
08/07/14
20140216199
Variable radius lever arm assembly
A curled variable radius lever comprises a lever arm of variable effective length that curls and uncurls about a drive axis. In a preferred arrangement the lever assembly has a plurality of rigid blocks linked together by a chain or spring steel strip.
08/07/14
20140216185
Variable linear motor
Device and method for enabling independent tuning of frequency and amplitude of a reverse crankshaft motor. The reverse crankshaft motor provides periodic reciprocating motion based on periodic rotational motion from a rotational motor.


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