Matches 301 - 322 out of 322 < 1 2 3 4 5 6 7
Match Document Document Title
4276863 Apparatus for controlling the number of enabled cylinders of an internal combustion engine upon deceleration  
Apparatus for controlling the number of enabled cylinders of an internal combustion engine during deceleration comprises a plurality of comparators responsive to a signal indicative of the engine...
4274382 Apparatus for performing stepwise reactivation of cylinders of an internal combustion engine upon deceleration  
The engine crankshaft rotational speed is detected to be compared with stepwise arranged threshold speeds so as to stepwise enable fuel injection valves of respective cylinders during deceleration...
4224920 Split engine operation with means for discriminating false indication of engine load reduction  
A split engine control system includes a load level detector for generating a first signal in response to a relatively high engine load and a second signal in response to a relatively low engine...
4207856 I.C. Engine operable in party-cylinder mode  
An intake air control system of a fuel-injection internal combustion engine which is operable in a part-cylinder mode. With the system, there is provided an additional increase in the effective air...
4201180 Split engine operation of closed loop controlled multi-cylinder internal combustion engine with air-admission valve  
Split engine operation of a closed loop controlled multi-cylinder internal combustion engine is effected by a charge forming device which comprises an induction system including a common chamber...
4194417 Apparatus for improving fuel economy of multi-cylinder I. C. engine followed by automatic transmission via hydrokinetic unit  
Fuel economy of a multi-cylinder internal combustion engine has been improved by allowing, when a vehicle is at a standstill, the engine to run on selected cylinders of all. The idling operation of...
4165610 Internal combustion engine with variable cylinder disablement control  
A multicylinder internal combustion engine is provided with a means for disabling several cylinders when reduced power can adequately operate the vehicle and an exhaust gas treatment device. An...
4153033 System for disabling some cylinders of internal combustion engine  
Herein disclosed is a method and system for improving driveability of an automotive vehicle. The automotive vehicle has a multi-cylinder internal combustion engine provided with a cylinder...
4144863 Circuit for controlling the operability of one or more cylinders of a multicylinder internal combustion engine  
Circuit for controlling the operability of one or more cylinders of a multicylinder internal combustion engine having electrically controllable means associated with it for preventing combustion...
4144864 Method and apparatus for disabling cylinders under light load conditions by comparison with variable reference  
In an internal combustion engine, the magnitude of the engine load is compared with a reference level which is variable as a function of engine speed to detect when the engine load under low speed...
4143635 Exhaust gas recirculated engine with variable cylinder disablement control  
A multi-cylinder internal combustion engine is provided with first and second exhaust systems respectively for first and second groups of cylinders. An exhaust gas recirculation passage is provided...
4129109 Variable displacement internal combustion engine with means for switching deactivated cylinder groups at appropriate timing  
In a variable displacement internal combustion engine, a pair of cylinder groups are alternately switched into deactivation for fuel economy when reduced power output can operate the vehicle...
4117807 Fuel injection cut off means for over temperature protection of exhaust treatment device  
For use with internal combustion engines equipped with electronic fuel injection systems and engine exhaust treatment devices, means for detecting spark plug misfiring resulting in excessive...
4080947 Apparatus and method for controlling ignition of multi-cylinder internal combustion engines with a passageway that bypasses throttle valve  
Apparatus is disclosed in which the supply of air-fuel mixture to one or more of the cylinders of a multi-cylinder internal combustion engine is cut off depending upon the varying engine load...
4064844 Apparatus and method for successively inactivating the cylinders of an electronically fuel-injected internal combustion engine in response to sensed engine load  
In a multi-cylinder fuel injection type internal combustion engine, apparatus is provided for successively inactivating one or more cylinders of the engine by inhibiting the injection pulses...
4061055 Fuel injection control system for an internal combustion engine of a vehicle  
A control system which controls the number of fuel-injected cylinders is used with an electronic type of automatic transmission system and includes compensating means or an engine operating...
4040395 Engine selectively utilizing hybrid thermodynamic combustion cycles  
An engine is disclosed incorporating a block means defining a plurality of cylinder chambers for containing reciprocating pistons that are coupled to provide output drive power. Means are...
4007590 Catalytic convertor warming up system  
A fuel injection system supplies fuel to only selected cylinders until the catalytic converter is heated sufficiently.
3896779 Fuel injection pump for an internal combustion engine  
A fuel injection pump for an internal combustion engine having an electromagnetic valve in a passage leading to an intake port or an outlet port of the pump and a controller connected with the...
3756205 METHOD OF AND MEANS FOR ENGINE OPERATION WITH CYLINDERS SELECTIVELY UNFUELED  
A method and apparatus for controlling the supply of fuel to selected ones of the cylinders of a multi-cylinder internal combustion engine. The apparatus includes solenoid operated valves which are...
3181520 Fuel injector system with smog inhibiting means  
2875742 Economy engine and method of operation  
Matches 301 - 322 out of 322 < 1 2 3 4 5 6 7