Patents
Patents for F02M 45 - Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship (4,074)
12/1991
12/04/1991EP0459676A1 Fuel injection nozzle
12/04/1991EP0459429A1 Fuel injector
11/1991
11/28/1991DE4016435A1 Fuel injection pump for IC engine - has sleeve fitted to piston to vary quantity of fuel delivered
11/21/1991DE4115478A1 Injection nozzle for IC engine - has at least two adjacent valve needles which are operable alternatively
11/21/1991DE4115477A1 Injection nozzle for IC engine - has hollow needle controlling first group of injection holes and loaded by first spring towards its closure position
11/21/1991DE4115457A1 Injection nozzle for IC engine - incorporates hollow needle controlling first group of injection holes and loaded towards closure position by spring
10/1991
10/23/1991EP0453145A1 Fuel pumping apparatus
10/22/1991US5058625 Valve for intermittent introduction of fuel
10/16/1991EP0451408A1 Fuel injection nozzle
10/15/1991US5056488 Fuel injection system in particular unit fuel injector, for internal combustion engines
10/08/1991US5054445 Fuel injection system for self-ignition internal combustion engines
10/02/1991EP0449763A1 Fuel injector
10/02/1991EP0449662A1 A fuel injector and a method of relieving stress concentration within a fuel injector bore
09/1991
09/25/1991EP0448376A1 A fuel injector for a diesel engine
09/19/1991WO1991014092A1 Fuel-injection valve for internal-combustion engines
09/12/1991DE4021453A1 Fuel injection nozzle - provides small primary injection followed by the main fuel injection
09/05/1991WO1991013252A1 Fuel injection device for fuel-injected internal combustion engines
09/04/1991EP0444256A1 Fuel injection device for injection-type internal combustion engines
09/03/1991US5044903 Fuel injection pump for internal combustion engines
08/1991
08/29/1991DE4005774A1 IC engine fuel-injection nozzle - has coaxial thrust pins with fingers passing between each other and supporting springs
08/28/1991CN2083640U Diesel energy-saving fuel feeding device
08/27/1991US5042718 Solenoid-valve-controlled fuel injection device, for an air-compressing internal combustion engine
08/14/1991EP0441738A2 High pressure fuel injection system
08/14/1991EP0441094A1 Fuel injection nozzle
08/06/1991US5036821 Fuel injection system for an internal combustion engine
07/1991
07/23/1991US5033443 Pilot injection device for fuel injection pump
07/17/1991EP0436586A1 Fuel injection nozzle with controllable fuel jet characteristic.
07/11/1991WO1991010059A1 Fuel injection device for injection-type internal combustion engines
07/10/1991EP0323984B1 Fuel injection system for internal combustion engines
07/09/1991US5029568 Injection rate control injector
07/04/1991DE4041878A1 Diesel engine fuel injection valve - delays pressure rise and fall in back pressure chamber to allow valve operation
06/1991
06/27/1991DE4041450A1 Fuel injection pump for diesel engine - uses interruption valve to shift injection timing while idling
06/25/1991US5025768 Fuel injection system for internal combustion engines
06/20/1991DE3941151A1 IC engine fuel injection nozzle - has additional spring load provided by follow-up pistons installed in distance piece
06/19/1991EP0432403A1 Method to inject fuel intermittently in the combustion chamber of a internal combustion engine and device for carrying out this method
06/19/1991EP0432402A1 Injection device for self-ignition internal combustion engines
06/13/1991DE3940502A1 Piston for fuel injection pump - has step ground on end face to control fuel flow to suit engine load
06/12/1991EP0431272A2 Method and device to inject fuel in the combustion chamber of an internal combustion engine
06/04/1991US5020979 Injection pump having pilot and main injection
06/04/1991US5020728 Fuel injection nozzle for internal combustion engines
06/04/1991US5020500 Hole type fuel injector and injection method
06/04/1991US5020498 Fuel injection apparatus
05/1991
05/29/1991DE3939253A1 IC engine fuel injection valve - has small displacement piston without return spring
05/29/1991CN1012696B Method and apparatus for controlling fuel injection
05/23/1991DE3938551A1 IC engine fuel injection nozzle - has longitudinal groove in needle valve stem, delivering fuel to seat
05/16/1991DE3937955A1 Fuel injection nozzle for IC engine - has second closing spring retained in intermediate section of housing
05/16/1991DE3937953A1 Fuel injection nozzle for IC engine - has different heat expansion of injector needle and nozzle body materials
04/1991
04/24/1991EP0423601A2 Individual injection pump for an internal combustion engine
04/09/1991US5005548 For internal combustion engines
04/03/1991EP0420641A1 Heat-insulating engine with swirl chamber
04/03/1991EP0420456A1 Heat-insulating swirl chamber engine
04/02/1991US5004154 High pressure fuel injection device for engine
03/1991
03/28/1991DE4027493A1 Diesel IC engine fuel injection valve - with valve needle operated via pressure slot sliding relative to cooperating hydraulic piston
03/27/1991EP0418800A2 Fuel injection apparatus for an internal combustion engine
03/06/1991EP0282508B1 Fuel injection device for a diesel internal combustion engine with preinjection
03/05/1991US4997132 Fuel injector
02/1991
02/21/1991WO1991002151A1 Fuel injection pump for diesel internal combustion engines
02/20/1991EP0413454A1 Unit injector
02/20/1991EP0413173A2 Fuel injection nozzle for internal combustion engines
02/19/1991US4993926 Fuel pumping apparatus
02/19/1991US4993637 Fuel injector
02/06/1991EP0287580B1 Fuel injection device for internal combustion engines, in particular diesel engines
01/1991
01/29/1991US4987887 Fuel injector method and apparatus
01/15/1991US4984738 Internal combustion engine
01/09/1991EP0406592A2 Fuel injection pump
01/02/1991EP0404917A1 Fuel injection nozzle
01/02/1991EP0404916A1 Fuel injection nozzle.
01/01/1991US4981267 Internal combustion engine
12/1990
12/11/1990US4976236 Fuel injection pump
12/05/1990EP0400886A1 Fuel injection nozzle
12/04/1990US4975029 Fuel injection pump for an internal combustion engine having pre-injection and main injection
12/04/1990US4974564 Fuel injection pump and method of controlling the same
11/1990
11/22/1990EP0354905B1 Fuel injection nozzle for internal combustion engines
11/07/1990CN1010335B Fuel-injecting apparatus with pre-injection for diesel engines
10/1990
10/25/1990DE3913062A1 Kraftstoffeinspritzvorrichtung fuer eine luftverdichtende brennkraftmaschine, insbesondere solche als direkteinspritzer Fuel injection device for an air-compressing internal combustion engine, such as direct injection engine in particular
10/24/1990EP0393590A2 Fuel injection device for diesel engines
10/24/1990EP0393412A1 Fuel injection device, in particular a unit fuel injector, for an internal combustion engine
10/16/1990US4962890 Fuel injection valve assembly
10/03/1990EP0389822A2 Control device for pilot and main injection with intermediate injection pause for internal combustion engines, especially with air compression and self ignition
09/1990
09/20/1990WO1990010789A1 Storage fuel injection device
09/12/1990EP0387186A1 Device for injecting fuel into the combustion chamber of a reciprocating internal-combustion engine
09/12/1990EP0386445A1 Fuel injection nozzle for internal combustion engines
09/07/1990WO1990010151A1 Electromagnetic high-pressure injection valve
08/1990
08/30/1990DE3906205A1 Injection device for an air-compressing internal combustion engine with an injection nozzle effecting the pilot and main injection, especially a pintle nozzle
08/29/1990EP0384882A2 Rate control in accumulator type fuel injectors
08/28/1990US4951626 Electrically controlled fuel injection pump
08/22/1990EP0383065A1 Valve for the intermittent introduction of fuel
08/14/1990US4948049 Rate control in accumulator type fuel injectors
08/02/1990DE3902520A1 Injection valve for diesel engines
07/1990
07/31/1990CA1272082A1 Control of fuelling rate for internal combustion engines
07/26/1990WO1990008257A1 Fuel injection nozzle
07/26/1990WO1990008256A1 Fuel injection nozzle
07/19/1990DE3900763A1 Fuel injection nozzle
07/19/1990DE3900762A1 Fuel injection nozzle with a hollow yielding piston
07/18/1990EP0377761A1 Internal combustion engine with broad fuel tolerance and low emissions
07/17/1990US4941613 Fuel injection nozzle
07/10/1990US4940037 Fuel injection system for internal combustion engines
07/05/1990DE3844469A1 Electrically controlled fuel injection pump
07/04/1990EP0375928A2 Fuel injection apparatus
07/04/1990EP0375927A1 Fuel injection pump for internal-combustion engines
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