Patents
Patents for F02M 45 - Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship (4,074)
08/1993
08/10/1993US5233955 Fuel injection pump for internal combustion engines
08/05/1993WO1993015310A1 Accumulator fuel injection system
07/1993
07/28/1993EP0552899A1 Pump/injector
06/1993
06/15/1993US5219122 Fuel injection system for engine
06/09/1993DE4140394A1 Fuel injection pump for IC engine - has second pocket on pump piston jacket, and inclined control grooves opening into both pockets
06/09/1993DE4140393A1 Fuel injection pump for IC engine - has additional pump piston apertures, one connected to relief aperture during piston stroke, both located above control apertures
06/09/1993DE4140377A1 Fuel injection pump for IC engine - has circumferential ring groove located in cylinder bore wall above control apertures
06/09/1993DE4140071A1 Air-compressing fuel injection engine using methanol - has small pilot fuel volume injected shortly before main volume, while ignition assistance device is active
05/1993
05/18/1993US5211340 Fuel injector
05/13/1993DE4136989A1 Fuel injection pump for IC engine - has injection divided into pre- and main processes and instead of unloader valve has adjustable throttling for damping injection oscillations
05/11/1993US5209208 Fuel injection pump for diesel internal combustion engines
05/04/1993US5207990 Exhaust gas purifying device for internal combustion engine
05/04/1993US5207202 Fuel pumping apparatus
04/1993
04/27/1993US5205492 For an internal combustion engine
04/15/1993WO1993007377A1 Fuel injectors for diesel engines
04/13/1993US5201300 Direct injection diesel engine
04/13/1993US5201297 Method and apparatus for controlling a high-pressure fuel pumping time in a fuel injection pump
04/13/1993US5201295 High pressure fuel injection system
04/06/1993US5199641 For combustion engines
04/06/1993US5199398 Fuel injection valve arrangement
03/1993
03/23/1993US5195487 Fuel injection system for air-compressing internal combustion engines
03/09/1993US5192026 Fuel injectors and methods for making fuel injectors
03/04/1993DE4228364A1 Fuel injection nozzle for IC engine - has pairs of first and second injection apertures, throttle for injection, and speed limiter for needle valve
03/03/1993EP0529630A1 Fuel injection system for engine
03/03/1993EP0444053B1 Fuel injection nozzle for internal combustion engines
02/1993
02/02/1993US5183019 Idling control device for high pressure fuel injection engine
01/1993
01/12/1993US5178110 Fuel injection device for internal combustion engines
01/07/1993EP0309501B1 Fuel injection pump for combustion engines
01/05/1993US5176120 Fuel injector
12/1992
12/30/1992EP0520659A1 Improved fuel injection valve arrangement and engine using such an arrangement
12/30/1992EP0445126B1 Fuel injection nozzle for internal combustion engines
12/09/1992EP0516628A1 Fuel-injection valve for internal-combustion engines.
12/09/1992CN1066909A Pilot/main fuel injection method for diesel engines
12/08/1992US5168847 Fuel injection pump for internal combustion engines
12/02/1992EP0436586B1 Fuel injection nozzle with controllable fuel jet characteristic
12/01/1992US5167370 Method and device for the intermittent injection of fuel into the combustion chamber of a combustion engine
12/01/1992US5167210 Injector device for an internal combustion engine
11/1992
11/25/1992CN1019225B Pump
11/24/1992US5165607 Fuel injection nozzle
11/24/1992US5165373 Electro-thermal pulsed fuel injector and system
11/12/1992WO1992019857A1 Fuel injection nozzle
11/11/1992EP0512458A1 Fuel injection pump
11/11/1992EP0322426B1 Fuel injection pump
11/04/1992EP0459999B1 Electromagnetic high-pressure injection valve
10/1992
10/22/1992DE4210563A1 Kraftstoffeinspritzduese fuer eine mit vor- und haupteinspritzung arbeitende brennkraftmaschine Fuel injector for a person working with pre- and main injection internal combustion engine
10/21/1992EP0509954A1 High pressure fuel injection system
10/21/1992EP0509372A1 Fuel injection method for a diesel engine with pilot injection
10/20/1992US5156132 Fuel injection device for diesel engines
10/15/1992DE4126698A1 Fuel injection nozzle for IC engine - has two flow connections between spring and damper chambers, for alternately dampened/non-dampener opening stroke
10/06/1992US5152271 Fuel injection apparatus
09/1992
09/24/1992DE4108842A1 Combined fuel injection pump and injector - uses hollow plunger, spring pressurised needle and helical by=pass passages in plunger body
09/23/1992EP0504401A1 Pilot-injection control device
09/15/1992US5146894 Reservoir-type fuel injection system
09/09/1992EP0502315A1 Fuel injection pump for internal combustion engines
09/08/1992US5144925 Fuel injection device for fuel-injected internal combustion engines
09/02/1992EP0462116B1 Storage fuel injection device
08/1992
08/27/1992DE4205744A1 Fuel injection valve for IC engine - has ring of nozzles with each nozzle offset from radial line and at equal angles to each other
08/26/1992EP0499741A1 Fuel injection systems for internal combustion engines
08/13/1992DE4103491A1 Fuel injection valve - has variable pre-injection control independent of main injection
07/1992
07/30/1992DE4121616A1 Time switch for pressure medium system - has constant independent timing, independent of pressure, etc.
07/30/1992DE4121615A1 Fuel injection device for IC engine - has mechanical timing element to maintain time interval between pre-injection and main injection
07/15/1992EP0494365A1 Injection device for compression ignition engine
07/09/1992DE4100095A1 I.C. Engine fuel injection equipment - has non-return valve between pilot plunger and suction-and-spill=chambers
07/09/1992DE4100094A1 Fuel injection device for IC engine
07/07/1992US5127585 Electromaagnetic high-pressure injection valve
06/1992
06/30/1992US5125581 Fuel injection nozzle
06/30/1992US5125580 Fuel injection nozzle
06/17/1992DE4123721C1 Fuel injection system with pump and nozzle units - has laterally coupled pump duct to chamber in piston bush
06/04/1992DE4038443A1 Fuel injector with needle guide for diesel engine - has control pin acting as damping piston, suited to mass prodn. without special finish or machining
05/1992
05/27/1992EP0486505A1 Fuel injection pump for diesel internal combustion engines.
05/27/1992DE4037165A1 Fuel injection pump with pre-injection - has shut=off device to switch-on=off pre-injection
05/26/1992US5115789 Direct injection diesel engine
05/21/1992DE4036580A1 Fuel injection valve for diesel engine - has retardation mass located in two-spring nozzle holder which delays at commencement of main injection
05/05/1992US5110053 Fuel injection nozzle
04/1992
04/16/1992WO1992006286A1 Pilot-injection control device
04/14/1992US5103785 Fuel injection device for air compressing combustion engines
03/1992
03/26/1992DE4030106A1 Fuel injection system for motor vehicle - has adjustable injector action using variable hydraulic ballast
03/25/1992EP0477046A1 Direct injection diesel engine
03/24/1992US5097812 Sloping-edge-controlled fuel injection pump for internal combustion-engine
03/24/1992US5097803 Fuel supply and control system for compression ignition engines
03/18/1992EP0475843A2 Direct injection diesel engine
02/1992
02/25/1992US5090378 Dual nozzle single pump fuel injection system
02/13/1992DE4025542A1 Method for operating self-igniting IC engine - involves pre- and main fuel injection and combustion chamber
02/12/1992EP0470348A1 Fuel injection nozzle for internal combustion engines
02/11/1992US5086742 Fuel injection pump for internal combustion engines
02/05/1992EP0469142A1 Fuel injection device for fuel-injected internal combustion engines.
01/1992
01/22/1992EP0467072A1 Fuel injection device for air compressing-combustion
01/21/1992US5081970 Heat-insulating engine with swirl chamber
12/1991
12/31/1991US5076239 Fuel injection system
12/27/1991EP0462116A1 Storage fuel injection device.
12/24/1991US5074766 Fuel injection pump for an internal combustion engine having pre-injection and main injection of fuel
12/18/1991EP0461221A1 Fuel injection device for injection-type internal combustion engines.
12/18/1991CN1057094A Injecting device for internal combustion engine
12/17/1991US5072706 Fuel injection pump for internal combustion engines, in particular diesel engines
12/12/1991DE4118237A1 Cyclic-delivery fuel injection system for internal combustion engine - employs three control valves in medium-pressure system supplying nozzle with fuel also during preinjection period
12/12/1991DE4118236A1 Cyclic-delivery fuel injection system for combustion engine - employs two control valves in low-pressure system supplying nozzle with fuel also during pre-injection period
12/12/1991DE4018535A1 Fuel injection pump for IC-engine - has spring-loaded pistons which delay start of main fuel flow to injection nozzle
12/11/1991EP0460572A1 Injection device for an internal combustion engine
12/11/1991EP0460381A1 Multi-jet injection nozzle with controlled cross-section
12/10/1991US5070833 Heat-insulating engine with swirl chamber
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