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| Number | Title | Issue Date |
| 7556019 | Intake manifold regulators for internal combustion engines The present invention provides an internal combustion engine including an engine housing, a crankshaft rotatably supported in the engine housing, a cylinder, a piston movable within the cylinder, a combustion chamber in fluid communication with the cylinder, a fuel ... | 07/07/2009 |
| 7318412 | Control device for internal combustion engine An engine ECU executes a program including the steps of: starting an engine by transiently increasing an amount of fuel injection when a start request is detected; prohibiting calculation of a learn value when a condition for stopping transient increase is not satis... | 01/15/2008 |
| 6868327 | Device for estimating an amount of intake air of an internal combustion engine A device for estimating the amount of intake air of an internal combustion engine comprising intake pipe pressure calculation means for calculating an intake pipe pressure, at this time, downstream of the throttle valve, and intake air amount calculation means for c... | 03/15/2005 |
| 6834627 | Intake air amount control apparatus and method of internal combustion engine An intake air amount control apparatus for an internal combustion engine is provided with: an opening control mechanism and a variable valve mechanism, which control an intake air amount; an intake characteristics change mechanism for controlling the intake air amou... | 12/28/2004 |
| 5915355 | Compensating air regulating valve Fuel supply system (1) for a combustion engine arranged in an inlet duct (2), which extends to the engine body itself. The system (1) comprises one or several air valves (5, 6), which are all mechanically connected with manually influenced linkages, such ... | 06/29/1999 |
| 5301126 | Method of processing a signal from a thermal type flow sensor A method of processing signal for a thermal type flow sensor having a temperature dependence resistance employing platinum and the like and a holding member made of alumina for holding it so as to compensate for response delay when fluid flow is changed, ... | 04/05/1994 |
| 4864991 | Method and apparatus for controlling air to gas ratio of gaseous fueled engines Apparatus for controlling the air to gas ratio of fuel supplied to a gas engine that includes a conduit connecting the carburetor to the intake maifold of the engine. A throttle valve is located in the conduit for varying the flow area therethrough in res... | 09/12/1989 |
| 4590896 | Two-stroke engine The invention is directed to a control system for a two-stroke engine for limiting a control quantity thereof such as the rotational speed. For this purpose, a pressure line including a valve is connected to the crankcase and leads to a pneumatic controll... | 05/27/1986 |
| 4535736 | Method and apparatus for controlling air-fuel ratio in internal combustion engine Disclosed is a method of controlling the air-fuel ratio of an air-fuel mixture to be supplied to an internal combustion engine. The method employs a feedback control in which the control is made to maintain the air-fuel ratio at the stoichiometric level i... | 08/20/1985 |
| 4512304 | Method and apparatus for controlling air to gas ratio in gas engines Apparatus for controlling the air to gas ratio of fuel being supplied to a gas engine that utilizes the pressure in the inlet of the carburetor and the pressure in the intake manifold of the engine to control a regulator that is used to supply gas to the ... | 04/23/1985 |
| 4485782 | Constant speed control devices for vehicles A constant speed driving device has an ejector for supplying negative pressure to an actuator which controls the engine's throttle valve. The ejector includes a diffuser communicating with the engine intake manifold downstream of the throttle valve and a ... | 12/04/1984 |
| 4461732 | Engine air induction system In an engine air induction passage, a throttle controls air flow and an air valve is biased to a position which is a measure of the air flow. Linkage between the throttle and the air valve opens the air valve as the throttle is opened and closes the air v... | 07/24/1984 |
| 4351279 | Air vane governor for internal combustion engine The internal combustion engine for a lawn mower or the like includes a carburetor, a throttle member or plate disposed in the carburetor throat and movable between an open position and a flow restricting position, a rotatable shaft carrying the throttle p... | 09/28/1982 |
| 4300506 | Fuel supply system A fuel supply system for supplying fuel and for satisfactorily preparing the fuel-air mixture fed to a mixture-compressing, spark-ignited internal combustion engine which comprises an arbitrarily operable throttle element arranged in the air intake manifo... | 11/17/1981 |
| 4286559 | Pneumatic diaphragm control member for a fuel injection device for internal combustion engines A pneumatic diaphragm control member is proposed for a fuel injection device for internal combustion engines, especially for a boost-pressure dependent full-load stop, wherein the initial and end positions of a push rod provided with a control diaphragm a... | 09/01/1981 |
| 4220124 | Adjustable air vane governor Disclosed herein is a lawn mower comprising a blade housing, wheels for supporting the blade housing for movement along the ground, a rotary cutting blade supported in the blade housing, and an internal combustion engine carried by the blade housing and r... | 09/02/1980 |
| 4108120 | Governor control for an internal combustion engine A governor control for an internal combustion engine of the type wherein air is blown in the operation of the engine to move an air vane connected with the throttle plate for throttling the engine. An operator-controlled handle is movably mounted and inte... | 08/22/1978 |
| 4023550 | Engine with overspeed prevention An engine with an air vane type governor and provision for preventing overspeeding of the engine in the event the governor fails to do so, wherein a normally restrained or loaded spring acts to effect closing adjustment of the throttle valve upon release ... | 05/17/1977 |
