| Entries |
| Document | Title | Date |
|---|
| 20080308071 | Feed Unit - A feed unit has a surge chamber | 12-18-2008 |
| 20100116253 | CONTROLLER FOR FUEL PUMP - An integrated value of discharge quantity of a fuel pump is used as a parameter evaluating a pressure loss of a fuel filter. A target discharge quantity is obtained by correcting a fuel quantity required by an engine with a filter pressure loss correction amount corresponding to an integrated value of the discharged quantity. A target rotational speed of the fuel pump is computed based on the target discharge quantity, so that the target rotational speed is corrected in accordance with the pressure loss of the fuel filter. Alternatively, the target rotational speed may be corrected in accordance with a deterioration degree of the fuel pump. | 05-13-2010 |
| 20100043759 | FUEL PUMP AND A METHOD FOR CONTROLLING A FUEL PUMP - A fuel pump and a method for controlling a fuel pump. At least two pumps run at a mutual phase displacement such that they are able to receive fuel during different periods of time. A control unit causes a valve, which is only settable in an open position and a closed position, to lead a desired amount of fuel to the respective pump. The control unit places the valve in the open position for a variable portion of the periods so that an individually controlled amount of fuel is led to the respective pump during those periods. Maintenance of good efficiency of the fuel pump and low noise emissions is thus made possible in operating situations where the fuel pump delivers a reduced amount of fuel. | 02-25-2010 |
| 20090159053 | Pumping element for a fluid pump and method - A pumping element for pressurizing a fluid within a fluid pump includes a plunger reciprocally disposed within a bore defined in a barrel. The plunger and barrel at least partially define a pressurization chamber into which fluid is pressurized. A flow path is defined between the plunger and the bore, the flow path permitting fluid to pass from the pressurization chamber during pressurization of fluid disposed therein. A collection chamber is formed between the plunger and the bore, the collection chamber being disposed adjacent to the bore and being part of a cooling circuit for the pumping element. A plurality of weep openings is defined in the barrel and is fluidly connected to the collection chamber. A reduced diameter portion of the barrel forms an annular reservoir that receives fluid from the weep openings. | 06-25-2009 |
| 20090120411 | Machining method - A method of manufacturing a metal housing ( | 05-14-2009 |
| 20120180764 | High Pressure Fuel Supply Pump - In a high pressure fuel supply pump for transmitting rotation of a cam to a reciprocating plunger via a tappet and a retainer, a diametric force acting on the plunger is reduced. The pump includes the retainer disposed on the plunger and a return spring exerting an urging force on the retainer in a direction of the tappet. A clearance between a plunger leading end and a tappet bottom surface opposed thereto is set to be greater than a clearance between a retainer bottom surface and the tappet bottom surface opposed thereto, and a clearance between a retainer inside diameter section and a plunger peripheral surface section opposed thereto is set to be greater than a clearance between a retainer outside diameter section and a tappet inner wall opposed thereto. | 07-19-2012 |
| 20090044783 | FUEL PUMP FOR A FUEL SYSTEM OF AN INTERNAL COMBUSTION ENGINE - The invention relates to a fuel pump for a fuel system of an internal combustion engine, having a housing and a housing cap joined to the housing. In order to create a fuel pump which in its operation generates little airborne sound, structure-borne sound (vibration amplitudes) and pulsations in a low-pressure region of the fuel pump, it is proposed that the housing cap has at least one damping element, which is embodied as a sandwich construction having at least a first cover layer, a second cover layer, and a damping connection layer disposed between them. The damping connection layer has a markedly higher elasticity and/or higher material damping than the two cover layers, which may be constructed of sheet metal or the housing cap itself. | 02-19-2009 |
| 20090095263 | Gearwheel mechanism - In a gearwheel mechanism for driving a secondary unit such as a fuel pump driven via the gear wheel mechanism by a primary unit, a driven gear mounted on the secondary unit is provided with a positioning element including sections covering teeth areas of the driven gear so that those sections cannot be engaged with a driving gear of the primary unit during mounting of the secondary unit, and in a pump having a gear provided with such a positioning element as wells as an internal combustion engine including a pump with a gear provided with a positioning element. | 04-16-2009 |
| 20130068201 | Modular Gear Case for Driving Accessories Associated With an Internal Combustion Engine - A modular gear case assembly for an internal combustion engine is disclosed that includes a plate removably coupled to the block of the engine with a through hole in the plate through which an end of the crankshaft of the engine extends. The gear case is coupled to the plate and includes: a central gear that couples with the end of the crankshaft, a first interconnecting gear that meshes with the central gear, a second interconnecting gear that meshes with the central gear, a first side gear that meshes with the first interconnecting gear, a second side gear that meshes with the second interconnecting gear, a housing in which the gears are disposed, and a cover that sealingly couples with the housing. | 03-21-2013 |
| 20130098338 | FUEL PUMP AND FUEL SUPPLY SYSTEM OF INTERNAL COMBUSTION ENGINE - A fuel pump which can suppress fuel bubbles from being sucked into a fuel pressure chamber, and can achieve a stable fuel pressure property. The fuel pump has a pump body formed with a suction passage and a pump operation chamber, and a pressure pump mechanism to pressurize and discharge fuel. The pump body has a lower side wall portion and an upper side wall portion respectively at the vertically lower and upper sides of the inner wall portion forming a suction gallery chamber partly forming the suction passage. The pressure pump mechanism has a valve retaining member having an insertion portion inserted into the suction gallery chamber. The insertion portion has internal suction inlets through which the fuel is sucked from the suction gallery chamber into the pump operation chamber, the internal suction inlets being positioned in the intermediate height area in the suction gallery chamber. | 04-25-2013 |
| 20130098339 | FUEL PUMP MODULE FOR VEHICLE HAVING EXCELLENT FILTERING EFFICIENCY - Provided is a fuel pump module for a vehicle includes: a flange assembly positioned at a top portion of a fuel tank; a reservoir body assembly positioned at an inner bottom portion of the fuel tank; and a guide rod connecting the flange assembly and the reservoir body assembly to each other, wherein the reservoir body assembly includes: a fuel pump forcibly supplying fuel in the fuel tank to an engine; and a filter having a column shape in which it includes a hollow having the fuel pump positioned therein, installed in a form in which it is inserted into a case forming an appearance of the reservoir body assembly and having the fuel pump installed therein, and installed to allow the fuel before passing through the fuel pump to pass therethrough, thereby filtering foreign materials included in the fuel. | 04-25-2013 |
| 20100282218 | DEVICE FOR REDUCING MAINLY THE CARBON DIOXIDE GENERATED BY ANY INTERNAL COMBUSTION ENGINE AND BY INDUSTRIAL ACTIVITY - A device includes an assembly including a tank ( | 11-11-2010 |
| 20090188472 | LIFT PUMP SYSTEM FOR A DIRECT INJECTION FUEL SYSTEM - An economical method for controlling a lift pump operating as part of a direct injection fuel system is described. According to the method, the lift pump is operated at efficient operating conditions and then stopped until additional fuel is requested. | 07-30-2009 |
| 20080295807 | High Pressure Pump, in Particular for a Fuel Injection System Of an Internal Combustion Engine - The high pressure pump comprises a drive shaft ( | 12-04-2008 |
| 20090266341 | Fuel delivery unit for a motor vehicle - A fuel delivery unit for a motor vehicle, wherein a swirl pot has a base formed from an upper part and a lower part, and an outer wall connected to the base, forming a seal. The upper part and the lower part bound fuel-delivering regions of a suction jet pump and of a section of a feed line. This arrangement allows the fuel delivery unit to be produced at particularly low cost. | 10-29-2009 |
| 20110139125 | Piston Pump - A piston pump, especially for supplying high-pressure fuel to a direct-injection internal combustion engine, including a pump housing ( | 06-16-2011 |
| 20090272364 | RADIAL PISTON PUMP FOR SUPPLYING FUEL AT HIGH PRESSURE TO AN INTERNAL COMBUSTION ENGINE - A radial piston pump ( | 11-05-2009 |
| 20100163005 | HIGH-PRESSURE PUMP FOR DELIVERING FUEL WITH AN IMPROVED DESIGN OF THE BEARING ARRANGEMENT FOR THE SUPPORT OF THE CAM SHAFT - The present invention relates to a high-pressure pump, particularly for delivering fuel for a common rail fuel injection system, having a pump body in which at least one cam drive having a cam shaft is received. The cam shaft is pivotally supported about a cam shaft axis in the pump body and/or in a flange body by at least one bearing arrangement. The bearing arrangement includes a radial bearing bush extending in the direction of the cam shaft axis, and an axial bearing washer, which is integrally formed on the radial bearing bush. The axial bearing washer extends in a radial extension direction of less than 90 degrees relative to the cam shaft axis in the non-installed state. The radial extension direction is directed toward the radial bearing bush and can be brought into an axial bearing plane extending at an angle of 90 degrees to the cam shaft axis in the installed state by elastic deformation of the axial bearing washer. | 07-01-2010 |
| 20110232610 | High Pressure Fuel Pump Control System for Internal Combustion Engine - A high pressure fuel pump control system for an internal combustion engine includes a fuel injection valve provided in a fuel common rail and a high pressure fuel pump for feeding fuel by pressure to the fuel injection valve. The high pressure fuel pump includes a pressurized chamber, a plunger for pressurizing fuel in the pressurized chamber, a discharge valve provided in a discharge passage, an intake valve provided in an intake passage, and an actuator for operating the intake valve. The control system includes a means for calculating a drive signal for the actuator to make a discharge amount or pressure of the high pressure fuel pump variable. The means reduces pressure in the common rail by opening the discharge valve to return the fuel in the fuel common rail to the pressurized chamber when a requirement for reducing the pressure in the fuel common rail is made. | 09-29-2011 |
| 20100258091 | Apparatus For Reducing Fuel Waxing - A fuel filter is configured to filter fuel for an internal combustion engine and is associated with an electromagnetic wave generator configured to emit high frequency electromagnetic waves operable on the fuel to heat and thereby melt wax crystals suspended in the fuel. | 10-14-2010 |
| 20100186722 | FUEL PUMP TIMING TO REDUCE NOISE - One embodiment is a fuel system for an internal combustion engine including a fuel pump having a fuel pump gear operable to drive the fuel pump to pressurize fuel. The fuel pump gear is offset relative to engine top dead center by a predetermined angle to reduce a sound or noise. The offset can be determined by selecting the minimum sound produced over a range of offsets or operating conditions. | 07-29-2010 |
| 20100236529 | FUEL INJECTION PUMP WITH AN IMPROVED DRIVE CLUTCH - The invention relates to a fuel injection pump for an internal combustion engine, which fuel injection pump, for the drive of the same, is connected in a torque-transmitting manner through a clutch unit to a drive input member. The clutch unit has a claw hub which is arranged on the drive input member and is axially fixed and is driven in rotation. The rotational movement can be transmitted to a reciprocating and rotating pump member. The claw hub and the pump member have respective claws which are aligned counter to one another and which have lateral claw faces between which is arranged a star-shaped and/or tongue-groove-like transmission body which, for the transmission of the torque, adjoins the respective claw faces. The claw faces are formed with an outwardly arched, spherical surface in order to create at least one defined zone of force introduction from the transmission body into the claw face, such that the stresses which occur in the claw as a result of the force transmission can be reduced. In this way, a fuel injection pump for an internal combustion engine with a clutch unit is created which permits a long service life while at the same time permitting the transmission of large torques, and at the same time has a simple structural design. | 09-23-2010 |
| 20100252004 | INTERNAL COMBUSTION ENGINE THAT CAN BE OPERATED WITH DIFFERENT TYPES OF LIQUID FUEL - The invention relates to an internal combustion engine that can be operated with different types of liquid fuel, which includes a device that can determine the current type of liquid fuel used. The invention further relates to a method for operating such an internal combustion engine. According to the invention, at least two different paths are provided, by which the liquid fuel can reach the combustion chamber of the internal combustion engine. The internal combustion engine comprises a control and regulation device, controlling or regulating the use of the different paths as a function of the type of the liquid fuel that was determined. | 10-07-2010 |
| 20100101538 | Low Noise Fuel Pump With Variable Pressure Regulation - An engine assembly may include an engine structure defining a combustion chamber, a fuel injector in fluid communication with the combustion chamber, a fuel supply and a fuel pump assembly. The fuel pump assembly may include a housing, a reciprocating member, and a solenoid valve assembly. The housing may define an inlet in fluid communication with the fuel supply, an outlet in fluid communication with the fuel injector, and a bypass passage. The reciprocating member may be located within the housing to define a compression chamber in fluid communication with the inlet, the outlet, and the bypass passage. The solenoid valve assembly may include a valve member located within the bypass passage and displaceable between open and closed positions to selectively provide fluid communication between the compression chamber and the fuel supply during a compression stroke of the reciprocating member. | 04-29-2010 |
| 20090071446 | FUEL SUPPLY PUMP AND TAPPET STRUCTURE BODY - Disclosed is a fuel supply pump including a tappet structure body having a roller that contacts a cam and a tappet body disposed with a roller housing portion in which the roller is housed, with a pressure adjusting member for dispersing load force being interposed between the tappet body and a plunger. The pressure adjusting member includes a concave portion in a center portion of a surface that faces the tappet body and contacts the tappet body at the peripheral portion of the concave portion. | 03-19-2009 |
| 20100294248 | Carburetor with acceleration pump - In the carburetor | 11-25-2010 |
| 20110011372 | FLUID FILTER WITH INTEGRATED TEMPERATURE REGULATION - A fluid filter module with a filter housing is provided with an integrated and internally mounted thermostatic fluid regulator valve. The regulator valve is equipped with a thermostatic actuator member configured to sense and regulate a mix temperature within the filter housing. The regulator valve is configurable as a separate component installable into the filter housing. | 01-20-2011 |
| 20110209689 | MOTOR VEHICLE FUEL SYSTEM HAVING MULTIPLE FUEL TANKS - A fuel system ( | 09-01-2011 |
| 20100258090 | Apparatus For Reducing Fuel Waxing - A fuel filter for an internal combustion engine is provided comprising a fuel conduit configured to transport fuel from a fuel tank to an internal combustion engine. A fuel filter manifold has an inlet and an outlet for fluid communication with the fuel conduit. A fuel filter housing is associated with the fuel filter manifold and is configured to receive fuel from and dispense fuel to the fuel filter manifold. A filter element is disposed within the fuel filter housing between the inlet and the outlet and is configured to filter fuel passing through the fuel filter housing. An electromagnetic transducer is associated with the fuel filter and is configured to emit high frequency waves operable on the fuel to reduce, via ultrasonic cavitation, wax crystals suspended in the fuel. | 10-14-2010 |
| 20100059024 | VEHICLE FUEL SUPPLY DEVICE AND FUEL FILTER STRUCTURE - Secondary fuel filter ( | 03-11-2010 |
| 20110146626 | HIGH PRESSURE FUEL PUMP - A high pressure fuel pump ( | 06-23-2011 |
| 20110048384 | BEARING ARRANGEMENT FOR A PUMP - A fluid pump is disclosed. The fluid pump may comprise a housing, a tapered bearing, a drive shaft, a first fluid chamber, and a second fluid chamber. The housing defines a bore. The tapered bearing is received within the bore of the housing. The drive shaft is received within the tapered bearing. The first fluid chamber is defined between the housing and the drive shaft on a first side of the tapered bearing. The second fluid chamber is defined between the housing and the drive shaft on a second side of the tapered bearing. The second fluid chamber is separated from the first fluid chamber by the tapered bearing. The housing includes a fluid passage fluidly coupling the first fluid chamber and the second fluid chamber. | 03-03-2011 |
| 20090126693 | Fuel System Comprising A Fuel Reserve Container And A Retaining Trough - Fuel system intended for a heat engine and comprising a fuel tank, a pipe for filling the tank and a pump for supplying the engine with fuel. The pump is supplied with fuel from a fuel reserve container, the fuel system additionally including a retaining trough independent of the reserve container, positioned so that the reserve container is supplied with fuel from the trough and having a wall defining a volume emerging at the upper part through an opening in the tank. The wall forms a continuous envelope separating the volume of the trough from the rest of the tank. | 05-21-2009 |
| 20090126695 | Radial Piston Pump For Supplying Fuel At High Pressure To An Internal Combustion Engine - A radial piston pump for supplying fuel at high-pressure to an internal combustion engine has a compression chamber arranged in a displacement housing, a reciprocating piston arranged in a cylinder chamber, a suction valve connected to a fuel supply line and has a spring-loaded closure body, an intermediate piece, a threaded pin and a pressure valve which is connected to a fuel outlet line. The closing body of the suction valve is embodied as a valve end pad with the spring exerting a force on the front end thereof. The valve end pad has a closure collar and at least two channels that are distributed around the periphery and which adjoin the closure collar and a base plate. A stop plate comprising an additional base plate borders the closure collar of the valve end pad as an intermediate piece to which the threaded pin is connected. | 05-21-2009 |
| 20090126694 | FUEL LIQUID AND VAPOR PRESSURE SENSOR - A combined liquid and vapor sensor assembly includes a body and a mounting portion for coupling the body to a fuel pump module flange that defines an interface between an interior and an exterior of a fuel tank. A liquid pressure sensor is housed in a recess in the body for sensing a liquid pressure of a fuel in the fuel tank, and a vapor pressure sensor is housed in the recess in the body for sensing a vapor pressure of a fuel vapor in the fuel tank. An electrical connector is coupled with the body for providing power to the liquid pressure sensor and the vapor pressure sensor. | 05-21-2009 |
| 20110108007 | FUEL PUMP WITH REDUCED SEAL WEAR FOR A DIRECT INJECTION SYSTEM - A fuel pump for a direct injection system having: at least one pumping chamber, a piston which is slidingly mounted inside the pumping chamber in order to cyclically vary the volume of the pumping chamber, an intake duct connected to the pumping chamber and regulated by an inlet valve, a delivery duct connected to the pumping chamber and regulated by a one-way valve that only allows outgoing fuel flow from the pumping chamber, and an annular seal, which is placed in a seat made below the pumping chamber around a lower portion of the piston and has the function of preventing fuel leakage along the side wall of the piston. | 05-12-2011 |
| 20110114064 | HIGH-PRESSURE FUEL SUPPLY APPARATUS FOR INTERNAL COMBUSTION ENGINE - A discharge valve ( | 05-19-2011 |
| 20110168133 | APPROACH FOR CONTROLLING FUEL FLOW WITH ALTERNATIVE FUELS - Fuel is evacuated from a fuel rail by directing liquid fuel from the fuel rail to a fuel tank and then by directing gaseous fuel from the fuel rail to a fuel vapor canister. | 07-14-2011 |
| 20090308356 | Feed Unit for Feeding Fuel - A feed unit for feeding fuel has a housing formed integrally with the casing of a swirl pot, the housing comprising a fine filter. The fine filter is configured open toward one side and is closed by a cover. The cover is formed integrally with a base plate sealing the casing of the swirl pot. As a result, the feed unit has a particularly low number of components to be assembled and can be produced in a particularly cost-effective way. | 12-17-2009 |
| 20100024779 | FUEL SUPPLY PUMP - A fuel supply pump includes a housing, a shaft in a case, a cam in the case formed eccentrically with respect to the shaft to rotate with the shaft, a tappet on an outer circumferential side of the cam movable in a vertical direction, and a plunger reciprocating with the tappet to pressurize fuel in a chamber. The tappet includes a roller and a supporting member rotatably supporting the roller in its thrust direction. The roller slidingly contacts outer circumference of the cam. The member includes an end face supporting the plunger, a surface at its end on an opposite side from the face and slidingly contacting outer circumference of the roller, and an inner wall supporting the roller in the thrust direction. The roller includes a middle section slidingly contacting the surface along its longitudinal direction, and a contact part at both ends of the section contacting the wall. | 02-04-2010 |
| 20100192921 | FUEL PUMP, IN PARTICULAR FOR A FUEL SYSTEM OF A PISTON ENGINE - A fuel pump according to the invention includes a housing and a part, which is a moving part during operation and which bears on a housing region at least indirectly. It is proposed that the fuel pump includes a coating which is applied to the housing region on a side of the housing region which faces towards the moving part, and that the coating is composed of a plastic. | 08-05-2010 |
| 20110303196 | FUEL SUPPLYING APPARATUS FOR INTERNAL COMBUSTION ENGINE - A fuel supplying apparatus is disclosed that suppresses intrusion of oil mist into a negative pressure introducing inlet of an automatic cock and that, thereby, improves the degree of freedom of disposition. The negative pressure introducing inlet of the automatic cock is connected to a crankcase through a negative pressure communication path. The automatic cock is opened by a negative pressure generated in the crankcase and, thereby, a fuel supply path is opened that is for supplying fuel from a fuel tank to an internal combustion engine. The negative pressure communication path communicates with the air cleaner through a purge path that branches from the negative pressure communication path at a halfway point of the negative pressure communication path. The point at which the purge path branches from the negative pressure communication path is set to be at the lowest position of the negative pressure communication path to be able to collect the oil mist intruding from the crankcase. | 12-15-2011 |
| 20110303195 | Single piston pump with dual return springs - Pump piston seizures caused by excessive side loads produced by the uneven loading of a large piston return spring are prevented by separating the tappet return function from the piston return function, thereby minimizing the spring force acting on the piston. Separate and distinct biasing means perform the respective functions. Preferably, a stronger, heavier load outer spring is mounted between the pump body and the tappet, such that it imparts no load and therefore no side loads to the pumping piston. A weaker, lighter load inner spring imparts less side load to the pumping piston than a conventional piston return spring, because the inner spring need not carry any tappet load. During both the pumping and charging strokes of the piston, the piston return spring can assist the tappet return spring, but the tappet return spring does not assist the piston return spring. | 12-15-2011 |
| 20120145131 | FUEL SUPPLY PUMP - A leak recovery groove is formed in a slide clearance between a slidable surface of a cylinder body and a slidable surface of a plunger to recover leaked fuel, which is leaked from a pressurizing chamber. A leak recovery groove direct communication passage is branched from a supply passage, which supplies fuel to the pressurizing chamber, and is connected to the leak recovery groove without passing through the pressurizing chamber to supply the fuel from the supply passage to the leak recovery groove. | 06-14-2012 |
| 20120145130 | Temperature Based Fuel Management in a Vehicle Fuel System - A vehicle fuel system for use in a vehicle having an engine. The system includes a fuel tank having a fuel pump module area and a bulk area, and a fuel pump mounted in the fuel pump module area, having an inlet and an outlet. A thermostatic valve has a fuel inlet connected to a return fuel line from the engine, a first outlet and a second outlet, with the valve directing fuel through the first outlet when the temperature is below a threshold and directing fuel through the second outlet when the temperature is above the threshold. A cold fuel line connects to the first outlet of the valve and directs fuel to the fuel pump inlet, and a warm fuel line connects to the second outlet of the valve and directs fuel into the bulk area of the fuel tank away from the fuel pump. | 06-14-2012 |
| 20100024778 | Fuel Pumping System - A fuel pumping system comprises a high pressure pump having a drive input, a drive gear driven for rotation, in use, by the drive input, an idler gear driven by the drive gear, and an output gear driven by the idler gear, wherein the output gear is arranged to drive a rotor of an electrical generator and the idler gear is arranged to drive a rotor of a low pressure pump. | 02-04-2010 |
| 20120204840 | ENGINE - An engine includes a crank chamber in which pressure fluctuation occurs and a carburetor including a diaphragm fuel pump. The diaphragm fuel pump includes a pump chamber configured to suck in and eject fuel and a diaphragm chamber to which a pressure that drives the pump chamber is supplied. The diaphragm chamber and the crank chamber communicate with one another in a state in which a negative pressure is created in the crank chamber. | 08-16-2012 |
| 20120006303 | PULSATION DAMPER - A pulsation damper mounted in a fuel chamber ( | 01-12-2012 |
| 20120006302 | METHOD FOR CONTROLLING THE PRESSURE IN A HIGH-PRESSURE FUEL RESERVOIR OF AN INTERNAL COMBUSTION ENGINE - A method for controlling the pressure in a high-pressure fuel reservoir of an internal combustion engine; fuel from a presupply pump being supplied to a quantity control valve; and the fuel metered by the quantity control valve being transported by a high-pressure pump into the high-pressure fuel reservoir; the pressure in the high-pressure fuel reservoir being controlled by controlling the quantity control valve; and the supply pressure in front of the high-pressure pump also being considered in the control. | 01-12-2012 |
| 20090071447 | VIRTUAL FUEL SENSOR FOR DUAL FUEL TANK APPLICATIONS - A method comprises detecting a status of a transfer pump for transferring fuel between a first fuel source and a second fuel source; receiving a fuel trim value and a vehicle operating parameter; and calculating a fuel composition of one of the first fuel source and second fuel source based on the fuel trim value, the transfer pump status and the vehicle operating parameter. A control module comprises a secondary pump transfer module detecting a status of a transfer pump for transferring fuel between a first fuel source and a second fuel source; and a fuel composition estimation module in communication with the secondary pump transfer module, receiving a fuel trim value and a vehicle operating parameter, and calculating a fuel composition of one of the first fuel source and second fuel source based on the fuel trim value, the transfer pump status, and the vehicle operating parameter. | 03-19-2009 |
| 20120055450 | STARTING DEVICE AND CARBURETOR USING SAME - 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. | 03-08-2012 |
| 20120060799 | VEHICLE FUEL SUPPLY DEVICE - In an upright state where a vehicle is supported by a main stand, or and a tilted state where the vehicle is supported by a side stand, an inflow port of a fuel filter unit is located at a position higher than an outflow port. The fuel filter unit and the upstream side filter pipe are installed in the vehicle so that the upstream side filter pipe is arranged at a higher position as it goes toward the upstream side. | 03-15-2012 |
| 20110073078 | HIGH-PRESSURE FUEL PUMP - The invention relates to a high-pressure fuel pump for a fuel injection system of an internal combustion engine, having a pump housing and with at least one pump element of a piston which is driven by a cam which interacts with a roller. The free ends of the roller are bounded by two side run-on surfaces which come into contact with mating surfaces during the operation of the high-pressure fuel pump. In order to provide a high-pressure fuel pump which can be produced cost-effectively and has a long service life, the side run-on surfaces are designed as circular ring disc surfaces and, in a central internal region, are released from contact with the mating surfaces. | 03-31-2011 |
| 20120118271 | Method and Control Apparatus for Controlling a High-Pressure Fuel Supply Pump Configured to Supply Pressurized Fuel to an Internal Combustion Engine - The present invention relates to a method and an apparatus for controlling a high-pressure fuel supply pump configured to supply pressurized fuel to an internal combustion engine, with a solenoid-actuated intake valve being configured to be biased into a first direction towards a first stop position of the intake valve by means of a biasing force and being configured to be displaced against the biasing force into a second direction opposite to the first direction towards a second stop position of the intake valve by means of magnetic force and to be kept at the second stop position by means of magnetic force. The method includes applying control current to the solenoid-actuated intake valve for displacing the intake valve into the second direction to the second stop position and for keeping the intake valve at the second stop position during a first time period by means of magnetic force. | 05-17-2012 |
| 20120247429 | FLEXIBLE FUEL MODULE PROTECTED UMBRELLA VALVE - A fuel pump module for a vehicle includes a reservoir having a longitudinal axis. An aperture is arranged within a bottom surface of the reservoir. The aperture has a plurality of vanes extending towards a central ring. An umbrella valve having an elongated stem is movably secured within the central ring of the aperture. The elongated stem is movable between a first position completely overlaying the aperture to a second position at a distance from the aperture. A suction filter is located within the reservoir at the bottom surface thereof. The suction filter has an undersurface sized for receipt of the umbrella valve in both the first and second positions. | 10-04-2012 |
| 20100050994 | High-Pressure Fuel Supply Circuit - A high-pressure fuel supply circuit, which supplies fuel in a fuel tank to injectors of an internal combustion engine, may includes a fuel pump that is employed so as to feed the fuel in the fuel tank with pressure to the injector, wherein one or more fuel pumps may be employed so as to improve a compression ratio of the fuel; a separator provided with a selective check valve so as to separate air from the fuel supplied by the fuel pump; and an injection pump receiving the fuel from the separator, compressing it, and feeding it with pressure to the injector. | 03-04-2010 |
| 20100269795 | PUMP, IN PARTICULAR HIGH-PRESSURE FUEL PUMP - The invention relates to a pump, particularly a high-pressure fuel pump, having a drive shaft, which includes a section that is eccentric to the rotational axis thereof and on which a ring is rotatably supported. The pump has at least one pump piston, which is directly supported on the ring via the piston base thereof, or via a support element and is driven in a stroke movement upon the rotational movement of the drive shaft. The ring has an at least approximately planar contact surface in the region of the support of the piston base or of the support element, and the support surface of the piston base or of the support element on the ring is greater than the cross-sectional surface of the shaft of the pump piston. The extension of the support surface of the piston base or of the support element in the tangential direction to the rotational axis of the drive shaft is greater than the extension thereof in the direction of the rotational axis of the drive shaft. | 10-28-2010 |
| 20100269794 | FUEL PRESSURE REGULATION SYSTEM - In a fuel pressure regulating system for an internal combustion engine, having a pressure accumulator storing fuel under pressure and feeding injectors providing the combustion chambers of the internal combustion engine with fuel, a high-pressure pump feeding a fuel mass flow into the pressure accumulator, a first valve for throttling the fuel mass flow, a second valve by means of which fuel can be discharged from the pressure accumulator, and a control unit for actuating the valves, the control unit determines a fuel mass flow required by the pressure accumulator depending on a prescribed target pressure in the pressure accumulator, divides the determined fuel mass flow into a partial mass flow fed in by the first valve and discharged by the second valve, and actuates the valves according to the partial mass flows. | 10-28-2010 |
| 20120186560 | HOMOGENIZING FUEL ENHANCEMENT SYSTEM - A homogenizing fuel enhancement system involves at least one circulation loop existing outside of the injection system for continuously circulating and maintaining the homogeneity of a multi-fuel mixture apart from any demands by or delivery to the engine's injection system (whether mechanical injection or a common rail), and at least one infusion tube configured within the at least one circulation loop for providing a volumetric expansion wherein the fuel mixture is infused and thereby rendered more homogeneous. | 07-26-2012 |
| 20120186559 | FUEL PUMP - First and second recessed portions are respectively formed on first and second wall surfaces of a cam chamber, in order that a plunger head and a coil spring would not come in touch with the first and second wall surfaces even in such a virtual situation. In the virtual situation, it is supposed that the plunger head would be separated from a plunger, the plunger head remains in contact with a contact surface of a cam ring so that the plunger head would not move relative to the contact surface, and a cam member would be continuously rotated. | 07-26-2012 |
| 20120260891 | High Pressure Fuel Pump For An Internal Combustion Engine And Lubrication Strategy Therefor - An internal combustion engine includes an engine block defining at least one row of cylinders extending from a first end toward a second end. A flywheel housing is attached to the first end of the engine block and includes a pump engagement face having a first pump lubrication supply port opening therethrough. A high pressure fuel pump includes a flywheel housing engagement face having a second pump lubrication supply port opening therethrough. The pump engagement face of the flywheel housing abuts the flywheel housing engagement face of the high pressure fuel pump such that the first pump lubrication supply port and the second pump lubrication supply port are in fluid communication. | 10-18-2012 |
| 20120080013 | HIGH PRESSURE PUMP AND TAPPET ASSEMBLY - The invention relates to a high pressure pump for a fuel injection device of an internal combustion engine, comprising at least one pump element having a pump piston delimiting a pump working chamber, wherein between the pump piston and a rotationally driven drive shaft of the high pressure pump, a tappet assembly having a tappet body and a roller shoe pressed into a receptacle of the tappet body is provided, wherein the tappet body comprises a centering guide for pressing in the roller shoe. The invention further relates to a tappet assembly for a high pressure pump for a fuel injection device of an internal combustion engine comprising a tappet body and a roller shoe pressed into a receptacle of the tappet body, wherein the tappet body comprises a centering guide for pressing in the roller shoe. | 04-05-2012 |
| 20120279478 | FUEL FILTER ADAPTER - An adapter for retrofitting a fuel control system. The adapter has an outlet port and an inlet port for connecting to an external fuel system. The adapter replaces a standard fuel filter and fuel filter bowl. | 11-08-2012 |
| 20110308500 | CONTROL APPARATUS AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - A control apparatus and control method is provided for an internal combustion engine that includes a vaporized fuel tank in which vaporized fuel is stored, and a normally-closed vaporized fuel supply valve that opens and closes a connecting portion between the vaporized fuel tank and a surge tank. This apparatus and method produce vaporized fuel by injecting fuel into the tank while the vaporized fuel supply valve is closed while the engine is operating, then open the vaporized fuel supply valve at engine startup and supply the vaporized fuel stored in the tank to the surge tank. If there is no vaporized fuel remaining in the vaporized fuel tank when the engine stops, vacuum is generated in the vaporized fuel tank by temporarily opening the vaporized fuel supply valve before the engine stops. Vaporized fuel is then produced by injecting fuel into the vaporized fuel tank in this vacuum state. | 12-22-2011 |
| 20100170479 | FUEL PUMP FOR INTERNAL COMBUSTION ENGINE - A combination dynamic balancer and fuel pump for an internal combustion engine includes a common housing having at least one balancer shaft and a fuel pump, with the fuel pump having the pumping element mounted directly within a working chamber formed within the housing for the balancer shaft and fuel pump. A pumping element may include a reciprocating or a rotary pumping element. | 07-08-2010 |
| 20120138021 | SOLENOID VALVE CONTROL METHOD AND HIGH PRESSURE FUEL PUMP OF GDI ENGINE - A solenoid valve control method for a high pressure fuel pump of GDI engine includes supplying peak current for closing a solenoid valve during a predetermined peak current supply period and supplying hold current for holding the solenoid valve during a predetermined hold current supply period after the predetermined peak current supply period. The solenoid valve control method for a high pressure fuel pump of GDI engine may reduce impact of closing/opening of a solenoid valve. | 06-07-2012 |
| 20100132675 | MULTI-PUMP FUEL SYSTEM AND METHOD - A vehicular fuel system includes a suction pump having an inlet and an outlet, a priming pump having an inlet and an outlet, a valve and a fluid conduit assembly having a first port coupled to the outlet of the priming pump, a second port coupled to the inlet of the suction pump, and a third port coupled to the valve. The fluid conduit assembly and the valve are configured such that when the priming pump is operated, fluid flows from the outlet of the priming pump, through the first port and second ports, and into the inlet of the suction pump and when the suction pump is operated, fluid flows through the valve and the third and second ports, and into the inlet of the suction pump. | 06-03-2010 |
