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Patent Searching and Data


Matches 501 - 550 out of 3,262

Document Document Title
WO/1996/037699A1
An actuation valve (90) for a hydraulically-operated fuel injector (10) includes an actuator (92) having a plunger (98) and a spool valve (104) coupled to the plunger (98). The spool valve (104) includes a high pressure port (122) and is...  
WO/1996/036795A1
A camless intake/exhaust valve (12) for an internal combustion engine that is controlled by a solenoid actuated fluid control valve. The control valve has a pair of solenoids (42, 44) that move a spool (40). Energizing one solenoid (42) ...  
WO/1996/035870A1
A hydraulically-actuated electronically-controlled fuel injection system (10) includes a solenoid operated main valve (500, 500a) that controls the flow of actuating fluid to the individual injectors (18). The flow of pressurized actuati...  
WO/1996/034195A1
A fuel injection device works based on the principle of storage of energy in a solid body and is designed as a reciprocating piston pump with a delivery piston (35, 24) that is moved from its initial position towards a compression chambe...  
WO/1996/032585A1
A multipiece fuel pump plunger assembly for controlling the fuel injection rate and delivery during the initial injection portion of a fuel injection cycle for an internal combustion engine. The injector (2) includes a two piece plunger ...  
WO/1996/029513A1
An apparatus (2) is provided for suppressing cavitation in an actuating fluid system (4) of a hydraulically-actuated fuel injection system (6). The apparatus (2) has first and second cummunicating oil conduits (20, 22). The conduits (20,...  
WO/1996/026360A1
A fuel supply means includes an electromagnetically actuated fuel control valve (32) having an armature (60) secured thereto with the armature (60) residing in a fuel-filled armature cavity (56). The armature (60) is electromagnetically ...  
WO/1996/020339A1
A fuel injection pump unit consists of a fuel injection pump (1), in which a quantity-determining member (6) is set by an actuator (13), its position being detected by a position sensor (15), and of a control unit (2) which calculates an...  
WO/1996/018033A1
Check valves (500) are incorporated into a fuel injector so as to form a controlling orifice in the system between the solenoid vales which direct fuel to the respective injection and timing chambers of the fuel injector and the chambers...  
WO/1996/017167A1
The present invention is a fuel injection system having one or more fuel injectors (50) and an electronic control system therefore. The preferred fuel injector (50) has a double magnetic latching solenoid (24) three-way or four-way spool...  
WO/1996/013660A1
Arrangement (2) for fuel injection and ignition of a fuel/air mixture in the combustion chamber (6) in a cylinder (10) provided with a reciprocating piston (8) in a combustion engine. The arrangement includes a tubular retaining body (32...  
WO/1996/012109A1
A fluid actuator (11) for use in a fluid injector assembly (10) including a piston (12) arranged for reciprocation in a chamber (14), the piston (12) including a connected plunger (13) operating in an injection chamber (15). A control va...  
WO/1996/009471A1
A diesel unit injector of the EMD type is provided with a tip (30a) whose radius (R4) is centered below the center of radius (R5) of the sac which it encloses, and the sac volume is minimized. Th e lower face (31a, 33a) of the nozzle bod...  
WO/1996/007820A2
A pump module that controls and varies the pressure of a fluid within a hydraulic system. The module includes a housing which has an inlet port, an outlet port and a return port. The inlet port is typically coupled to a pump. The return ...  
WO/1996/005424A1
A fuel injector assembly (30) has a fuel injector body (130) containing a nozzle (90) and a nozzle fuel cavity (94), a valve (159) with a valve element (160), a valve fuel cavity (204), a valve fuel cavity (210), a valve seat (162) and a...  
WO/1996/004475A1
A fuel pump includes housing (1) having a fuel passage (47, 48) connectable to a source, fuel supply chamber (38) communicating with the passage, pump cylinder (2), plunger (3) reciprocable in the cylinder at a clearance and defining at ...  
WO/1996/003853A2
An improved hydraulically-actuated fluid injector system (10) comprises a hydraulically-actuated fuel pressurization member (74), a fluid storage chamber (94), and a direct-operated check (76). Pressurization of fluid in the storage cham...  
WO/1996/004477A1
A fuel injector (14) that has an integral hydraulically driven mechanically actuated dual action intensifier (12) and a solenoid control valve (16)/spring assembly (138) that accurately controls the movement of the injector intensifier p...  
WO/1996/002742A1
An ignition device for an internal combustion engine comprising a small pre-chamber (1) having a volume of about 0.7 % of the volume of an associated combustion chamber, a small outlet orifice (1a) in the pre-chamber having a dimensionle...  
WO/1995/027845A1
A process for operating a combustion engine (300) which comprises the steps of converting a fuel precursor containing hydrogen to produce substantial amounts of engine-fuel containing free hydrogen and combusting substantial amounts of e...  
WO/1995/027135A2
Fuel injection pump in which the piston is driven via a rocker (6) bearing a roller (14) running on a cam (20) and thus providing the rocking motion to drive the piston via the rocker. Here, the roller (14) is borne in a shell-like reces...  
WO/1995/027135A3
Fuel injection pump in which the piston is driven via a rocker (6) bearing a roller (14) running on a cam (20) and thus providing the rocking motion to drive the piston via the rocker. Here, the roller (14) is borne in a shell-like reces...  
WO/1995/026468A1
Described is a fuel-injection system designed for pre-injection and main injection of fuel through injection nozzles into the combustion chambers of an internal-combustion engine. The system is fitted with a pre-injection piston (10) whi...  
WO/1995/021999A1
A hydraulically actuated electronically controlled unit injection system comprises a pressure intensifier associated with a hydraulically controlled differential valve (HDV) (4) having a poppet valve (23) opening into a working chamber (...  
WO/1995/003487A1
An improved high pressure fuel injector (10') for internal combustion engines in which problems of hysteresis delays and fuel leakage at the commencement of the metering process can be avoided without affecting the ability to precisely c...  
WO/1995/002123A1
The proposal is for a fuel injection device with a reciprocating pump piston (8), the working chamber (13) of which is connected to an injection valve fitted directly on the pump housing. To control the quantity of fuel injected and the ...  
WO/1994/029578A1
A spool valve (22) controls a hydraulic drive, such as a drive for a fuel pump (18) in an internal combustion engine, in which the hydraulic drive comprises a driving piston (34) journalled in a hydraulic cylinder (33) which through a fl...  
WO/1994/024419A1
Described is a camshaft drive for the outlet and inlet valves and for actuating the fuel-injection pump (6) of a diesel engine, the invention calling for the three actuation functions to be carried out by the same cam (2) indirectly via ...  
WO/1994/021912A1
A fuel injection device for internal combustion engines comprises a unit injector for each cylinder and a rocker arm (20) driving the pump piston of each injector, said rocker arm consisting of arigid portion (22) and a spring portion (2...  
WO/1994/012787A1
A unit injector for supplying fuel to an internal combustion engine has a bore (21) in which is mounted a pair of plungers (22) extending from the opposite ends of the bore. The plungers are actuated by cams (26) which are mounted on a p...  
WO/1994/010441A1
A fuel injector (1, 2) which uses interchangeable subassemblies (10, 11) to allow the injector to be converted from open to closed nozzle options without affecting engine installation, and without altering the timing or metering principl...  
WO/1994/007022A1
The invention relates to an injection valve for realizing both fuel injection and ignition in an internal combustion engine consisting of a holding house (1) having an injection opening (6), a valve body (2) arranged for closing the inje...  
WO/1994/004818A1
A fuel injection nozzle for use in a fuel system of a compression ignition engine includes a nozzle body (30) in which is formed a nozzle bore (31). A seating is defined about the bore at or adjacent one end and extending within the bore...  
WO/1994/003721A2
An electromagnetic fuel injector (30) has a tubular non-magnetic body (32) defined by radially inner and outer side walls (34, 36) bounding an annular shaped interior which contains a tubular solenoid coil (54) and an annular valve eleme...  
WO/1993/025831A1
A pressure responsive spring valve (25) which is able to function at high pressures and temperatures, and can attain a high degree of precision control in a minimum of space, as well as an improved fuel injector (1, 1', 1'') which uses s...  
WO/1993/024739A1
Systems to optimize breathing have been used with internal combustion engines in the past and used a variety of mechanical mechanisms to improve breathing and combustion. Many of these systems fail to provide the option of controllably a...  
WO/1993/023662A1
An internal combustion engine in which each cylinder is connected to sources both of air and of fuel held as a gas under pressure and in which the compression stroke, during which a full charge of air is drawn and compressed, is substant...  
WO/1993/021439A1
A pump/injector includes a pumping plunger (13A) movable inwardly in a bore to displace fuel from a pumping chamber (16) through an outlet. A fuel flow path into the pumping chamber includes an inlet port (20) connected to an annulus (20...  
WO/1993/020348A1
A fuel injector (10) includes a plunger assembly (20) disposed within a central axial bore (18) and including a lower plunger (22), an intermediate plunger (24), and an upper plunger (26). The lower plunger (22) reciprocates to meter a v...  
WO/1993/019292A1
A pump/injector for supplying fuel to a compression ignition engine includes a fluid pressure controlled spill valve (23) in the housing (10) which carries the injection nozzle (11) and the engine cam operated pumping plunger (16). The s...  
WO/1993/018290A1
The invention relates to a circuit for controlling an exciting coil of an electromagnetically driven reciprocating piston pump for use as a fuel injector, in which there is a circuit to control the armature exciting coil (600) which is c...  
WO/1993/018296A1
A fuel injection device works according to the solid energy accumulator principle in which an armature component (10) guided in a pump housing (8) of a reciprocating piston pump (1) driven by an electromagnet (9) is accelerated practical...  
WO/1993/018297A1
A fuel injection device works according to the solid energy accumulator principle. A reciprocating piston (10, 14) guided in the cylinder of a reciprocating piston pump (1) driven by an electromagnet (9) delivers portions of the fuel to ...  
WO/1993/016281A1
A pump/injector for supplying fuel to a compression ignition engine includes a fluid pressure controlled spill valve (23) in the housing (10) which carries the injection nozzle (11) and the engine cam operated pumping plunger (16). The s...  
WO/1993/015310A1
A series of method and apparatus advances in the accumulator-type fuel injector art, applicable to both intensified and unintensified accumulator injectors, which cooperate to provide major improvements in internal combustion engine fuel...  
WO/1993/014312A1
A fuel system for a compression ignition engine of the direct injection type and having a capacity of about two litres per engine cylinder comprises a unit injector having a multi spray hole nozzle (16) and an electromagnetically operabl...  
WO/1993/013309A1
It is desirable that the amount of fuel injected into a combustion cylinder of an engine be controlled or metered based upon engine operating conditions. Typically, in unit fuel pump injectors, fuel is passed into a chamber below an axia...  
WO/1993/007382A1
An actuator and valve assembly (28) for an electronically-controlled unit injector (18) is disclosed which comprises an electrically-energizable actuator assembly (36) and a device (56) for communicating, collecting and draining damping ...  
WO/1993/007384A1
Herein are disclosed methods of conditioning fluid, such as damping fluid, in an electronically-controlled unit injector (18) in order to facilitate quick starting of an engine (12). Fluid normally used to dampen the motion of an electri...  
WO/1993/007379A1
An actuator and valve assembly (28) for a hydraulically-actuated electronically-controlled unit injector (18) is disclosed which comprises an electrically-energizable actuator (36) including a movable member (42) and a poppet valve (38) ...  

Matches 501 - 550 out of 3,262