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Patent Searching and Data


Matches 51 - 100 out of 4,256

Document Document Title
WO/2001/016478A1
An apparatus including a solenoid valve (82) electrically actuated by a controller (88) meters fuel into a high pressure fuel pump (20). The solenoid valve (82) may be used either in place of or in addition to a mechanical metering valve...  
WO/2001/014711A1
The invention relates to a fuel injection system (1) for an internal combustion engine. The fuel which is supplied by means of a high-pressure pump (5) can be injected into the combustion chamber of the internal combustion engine by mean...  
WO/2001/014713A1
The invention relates to a method for injecting fuel with at least two different fuel pressures via injectors (80) into the combustion chamber of an internal combustion engine. According to the inventive method, the fuel with the lower f...  
WO/2001/014709A1
The invention relates to a fuel injection system (1) for an internal combustion engine. According to the inventive system, the fuel is injected into the combustion chamber of the internal combustion engine via injectors (8) with at least...  
WO/2001/014737A1
The invention relates to a fuel injection system (1) for an internal combustion engine in which fuel with at least two different fuel pressures can be injected by injectors (10) into the combustion chamber of an internal combustion engin...  
WO/2001/014727A1
The invention relates to a fuel injection system (1) for an internal combustion engine. According to the inventive system, the fuel is injected into the combustion chamber of the internal combustion engine via injectors (10; 61) with at ...  
WO/2001/014710A1
The invention relates to a fuel injection system (30) with at least two different system pressures for an internal combustion engine. The inventive system comprises a first central pressure storage device (36) for the deeper system press...  
WO1999043896A9
A control system for a rotary fuel injection pump (56) which has a timer piston (62), controlled by an timer motor (64), for adjusting the injection timing of the pump. The timer piston includes a housing containing a volume of hydraulic...  
WO/2000/032919A1
Disclosed is a fuel injection pump with a cam drive and an injection-adjusting piston which acts upon the cam drive in order to time the beginning of the injection. Said piston comprises at least one pressure chamber (17) at its face end...  
WO/2000/031409A1
Disclosed is a device for producing a variable volumetric flow in a fuel supply, comprising a high-pressure pump (21). Said pressure pump (21) comprises at least one supply, at least one cylinder (21b), at least one piston which can move...  
WO/2000/026520A1
Disclosed is a fuel injection pump having an injection timing mechanism whose piston (10) is impinged upon by a return spring (16) and a pressure controlled by a pilot valve (24) on one front face (12) and is constantly exposed to a pres...  
WO1999043896A3
A control system for a rotary fuel injection pump (56) which has a timer piston (62), controlled by an timer motor (64), for adjusting the injection timing of the pump. The timer piston includes a housing containing a volume of hydraulic...  
WO1999045260A3
A fuel system includes an electronically controllable high pressure fuel pump (22) operable to supply high pressure fuel from a lower pressure fuel source to a high pressure fuel collection chamber (34) having a pressure sensor (72). The...  
WO/1999/045260A2
A fuel system includes an electronically controllable high pressure fuel pump (22) operable to supply high pressure fuel from a lower pressure fuel source to a high pressure fuel collection chamber (34) having a pressure sensor (72). The...  
WO/1999/043896A2
A control system for a rotary fuel injection pump (56) which has a timer piston (62), controlled by an timer motor (64), for adjusting the injection timing of the pump. The timer piston includes a housing containing a volume of hydraulic...  
WO/1999/043957A1
A high pressure fuel supply pump comprising a housing (102) and a pump body (108) fixed within the housing along a body axis and including a plurality of radially oriented plunger bores (20), each bore having a plunger (22) disposed ther...  
WO/1999/022134A1
A pump and associated method including the steps of pre-metering successive quantities of fuel from a reservoir to a positive displacement transfer pump, then actuating the transfer pump to raise the pressure of the successive quantities...  
WO/1999/014491A1
A fuel pump (10) for supplying fuel to an internal combustion engine employs at least one composite pumping plunger (43) disposed within a plunger bore (46) for reciprocation therein. Each composite plunger comprises at least a high-pres...  
WO/1998/049441A1
The invention relates to a distributor fuel injection pump having a reciprocatingly driven piston (17) which is stress-bearing in a rotating distributor shaft (11) and delivers fuel from a pump working area (18) via a distributor opening...  
WO/1998/049442A1
The invention relates to a fuel injection system having a fuel injection pump, the high-pressure delivery of which is determined by an electrically operated valve (24) which controls a discharge channel (21). The high-pressure delivery p...  
WO/1998/045592A1
The present invention relates to a fuel injection pump having a distributor pump piston (6) placed in a bore provided in the housing. The surface of the pump casing presents a distribution groove (12), a filling groove (18) connected wit...  
WO/1998/045590A1
The invention relates to a method for calibrating the injection time ($g(a)) of a first fuel (6') in a diesel engine (2). The method comprises the steps of feeding adjustment fluid (6) under pressure to an injection adjuster (3) which co...  
WO/1998/023858A1
Disclosed is a fuel injection system, comprising an injection pump which is fed under high pressure by an electrically operated valve working in a discharge channel (30), the phase being determined by the valve closing. In order to achie...  
WO/1998/021469A1
Disclosed is an injection system for internal combustion engines, fitted with a high pressure fuel tank (1) fed by a high pressure fuel pump. Said tank (1) resembles a hollow ball (2), obtained by welding two hollow hemispheres (3), and ...  
WO/1998/014695A1
Disclosed is a fuel injection pump provided with a timing device piston (16) for timing beginning of injection and designed as a slaved piston for a slide valve (28) located therein. Said piston encompasses a working chamber (20) on one ...  
WO/1998/004822A1
A fuel injection pump has an injection adjusting piston (10) which adjusts the injection beginning. The injection adjusting piston (10) is exposed during its operation to tilting moments because of its eccentric articulation to a part (3...  
WO/1998/001673A1
In fuel feeding piston pumps, there is a danger that the shaft bearing be affected by fuel entering the area of the shaft bearing. In the disclosed fuel pump (2), a separating space (20) is provided between the shaft bearing (14) and a f...  
WO/1997/049917A1
The invention relates to a fuel supply pump for a fuel injection pump for internal combustion engines, with a driven pair of meshing pinions (7, 9) rotating in a pump chamber (3) which feed the fuel from a suction chamber (13) connected ...  
WO/1997/043541A1
A device for distribution and regulation of the fuel, having utilization in petrol and diesel internal combustion engines. It is resolved a problem to create simplified construction, that to function on a principle, different than the vo...  
WO/1997/043150A1
The invention concerns a security arrangement in which a cap-shaped element (34) is mounted over essential setting and/or operating elements (11, 25) of a fuel-delivery system. The cap-shaped element (34) is connected to parts of the fue...  
WO/1997/040272A1
A fuel injection device has an electromagnetic valve whose valve member is provided at its end with a solenoid plunger (33). The working displacement of the solenoid plunger (33) is dampened by a dampener which consists of a dampening ch...  
WO1997017537A3  
WO/1997/024519A1
Proposed is a fuel-injection pump in which adjustment of the moment injection begins is carried out by a device (31) which is actuated by the fuel pressure in the interior (12) of the pump, this pressure being controlled as a function of...  
WO/1997/017537A2
The aim of the invention is to reduce friction and noise during operation of the Oldham coupling in a fuel injection pump with a pump- and distributor element (3) driven via an Oldham coupling (2) by a drive shaft (1). To that end, an Ol...  
WO/1997/010430A1
Proposed is a fuel-injection pump fitted with a piston (16) which controls the start of injection and which is designed as a follow-up piston to a control piston (28) located inside it. Located on one side of the piston is the working sp...  
WO/1997/008454A1
In a fuel injection pump for internal combustion engines with at least one cam-operated piston pump for the delivery and intake strokes, a pressurised reservoir (29) for the intake of fuel during the intake stroke and receiving excess fu...  
WO/1997/002416A1
A device for controlling the fuel injection timing of an engine by adjusting the position of a timer piston by means of a solenoid valve, wherein a first frequency signal (W1) or a second frequency signal (W2) whose frequency is lower th...  
WO/1996/041945A1
A fuel injection rate shaping control system is provided which effectively controls the flow rate of fuel injected into the combustion chamber of an engine to improve combustion and reduce emissions by controlling the rate of pressure in...  
WO/1996/038662A1
A fuel pump having a rotary drive shaft (24), a high pressure pump (70) and a transfer pump (150). The high pressure pump has one or more reciprocating pumping plungers (14) and a pumping plunger actuator (62, 48, 66) driven by the drive...  
WO/1996/013659A1
Fuel metering system for feeding fuel from a storage tank (2) to the cylinders (6) of a combustion engine (8), comprising a fuel supply unit (1) and a distributing device (4, 4', 4") which comprises a least one rotor driven depending on ...  
WO/1996/012103A1
The invention concerns a fuel injection pump having an annular slide valve (20) which can be displaced on the pump piston by means of a control device and which has a guiding edge by means of which a pressure-relief duct in the pump work...  
WO/1995/019498A1
A fuel pumping apparatus of the rotary distributor type has an annular cam ring (12) which is coupled to a tangentially disposed piston (15) slidable in a cylinder (16) formed in a body part (10). The body is formed from light alloy and ...  
WO/1995/018300A1
The invention concerns a fuel-injection pump for internal-combustion engines, the pump having a piston (18), a drive shaft (11) to actuate the piston (18) and a sensor (30) to determine the angle of rotation of the shaft (11), the sensor...  
WO/1995/015434A1
A distributor type fuel injection pump has a distributor shaft (19) stiffly coupled to a driving shaft (13). When rotated, the distributor shaft successively supplies injection nozzles (29) with fuel from a pump working chamber (22). Pum...  
WO/1995/014857A1
In a distributor-type fuel injection pump there is a magnetic valve in the distributor, the valve component of which is fitted in an axial drilling in the distributor and is actuated by a magnet integral with the housing in order to inte...  
WO/1995/013469A1
Described is a fuel-injection distributor pump of the radial-piston type with two intersecting cylinders in the rotor unit and, fitted in each cylinder, two pistons located one at each end of the cylinder to delimit the swept space (33) ...  
WO/1995/002760A1
The invention concerns a fuel-injection pump of the distrubutor type with at least one piston (17) driven to execute a reciprocating action, a rotating distributor shaft (11) with a fuel-distribution bore (19) which, as the shaft rotates...  
WO/1994/027040A1
A fuel distributor (10) is provided which is capable of distributing fuel through plural fuel injection lines to the corresponding cylinders of a multi-cylinder internal combustion engine and which includes a distributor housing (12) inc...  
WO/1994/027039A1
A variable displacement high pressure pump having a plurality of high pressure pumping units which receive fuel from a low pressure fuel pump. A rotary cam-driven roller tappet, for producing pumping displacement of the pumping plunger o...  
WO/1994/027041A1
A unitized fuel supply assembly is disclosed including an in-line reciprocating cam driven pump (14) for supplying fuel to an accumulator (12) from which fuel is directed to a plurality of engine cylinders by means of a distributor (16) ...  

Matches 51 - 100 out of 4,256