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Class 123/393 - Responsive to exhaust gas


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the fluid sensed is the engine exhaust
No. of patents: 11
Last issue date: 03/02/1993


NumberTitleIssue Date
5190010Arrangement for regenerating a soot burn-off filter in the exhaust duct of an air-compressing fuel-injected internal-combustion engine
An arrangement for regenerating a soot burn-off filter in the exhaust duct of an air-compressing fuel injected internal combustion engine having a mechanical speed governor and an altitude matching device dependent on the atmospheric pressure into which t...
03/02/1993
5174259Fuel injection control system for turbocharged diesel engine
The supercharge pressure and the pressure differential which develops between the supercharge pressure and the exhaust gas pressure upstream of a turbocharger turbine are monitored. In the event that the supercharge pressure is below a target level which ...
12/29/1992
4721085Varying area fuel system for combustion engine
A fuel injection apparatus in which a closed fuel circuit is pressurized, and the amount of fuel injected is determined by varying the area switching on/off time of a solenoid in the injector, thereby allowing variance in the area factor of the equation Q...
01/26/1988
4590895Intake passage for internal combustion engine
A part of intake passages is made into an arcuate form extending around a surge tank. A rotatable drum is provided in the surge tank to change the length of the arcuate part of the passages. The rotatable drum is controlled by a control mechanism which is...
05/27/1986
4399788Internal combustion engine comprising means for controlling the axial extent of an exhaust port in a cylinder
In a two-stroke cycle internal combustion engine, cylinder structure has an inside peripheral surface which defines a cylinder bore and is formed with an exhaust port, which has an axial extent along the axis of said cylinder bore and communicates with sa...
08/23/1983
4239028Air flow measuring device for internal combustion engines
An air/fuel ratio compensating device is provided for association with an internal combustion engine having a fuel control valve, air suction pipe means and pedal accelerator means, the compensating device including an area flow metal system made up of a ...
12/16/1980
4098368Road speed control with redundant release
A vehicle road speed control system having a redundant release valve assembly. A solenoid control actuated control valve energized by application of the vehicle brakes dumps the higher pressure side of the servomotor to the lower pressure side to balance ...
07/04/1978
4062337Electro-pneumatic device for regulating the supply of air to an internal combustion engine
An electro-pneumatic device for regulating the supply of air to an internal combustion engine having a carburettor is arranged to supply the air to the engine into a manifold downstream of the carburettor and the air supply is controlled to adjust the ric...
12/13/1977
4051821Exhaust back pressure control
An exhaust pressure maintenance system and apparatus for an engine exhaust system which imposes a scheduled back pressure on the engine independently of restrictions in the exhaust lines downstream from a pressure controller valve. The back pressure which...
10/04/1977
4022175Carburettor for an internal combustion engine
A carburettor for an internal combustion engine including a main duct and an auxiliary duct which receive air from a valved inlet, a main valve in each of the ducts for controlling flow through the ducts. Fuel is introduced into the auxiliary duct upstrea...
05/10/1977
4020814Diesel engine control means
There is disclosed automatic means for limiting the operating temperature of an internal combustion engine that includes a pyrometer to sense the exhaust gas temperature from the engine and generate a signal therefrom, a temperature controller having an a...
05/03/1977
 
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