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Class 123/179.18 - Intake air control


Subclass of Class 123 - Internal-combustion engines
Definition: Apparatus wherein a means regulates the flow of incoming
No. of patents: 218
Last issue date: 04/03/2012


          6  
NumberTitleIssue Date
4193384Fuel injection system
A fuel injection system for continuous fuel injection into the induction manifold of an internal combustion engine. Upstream of the main throttle, there is disposed a baffle plate on a pivoting lever which act as an air flow rate meter and displaces the s...
03/18/1980
4187821Internal combustion engine with a bypass line skirting the load-control organ of the internal combustion engine
An improvement in internal combustion engines of the type having an air supply line for supplying air to a combustion chamber and an auxiliary air valve containing a valve member connected to and movable with a membrane which is displaceable under action ...
02/12/1980
4186697Exhaust gas purification promoting device
Disclosed is a device for promoting the purification of exhaust gas in an internal combustion engine at the time of warm-up. The opening degree of the throttle valve of the carburetor is temporarily maintained open at about 20 degrees immediately after th...
02/05/1980
4177784Engine starting device
Engine starting device which, if engine temperature is at a level such that vaporized fuel may be present in a carburetor while an engine is stopped, causes a throttle valve to open a certain amount when the cranking motor is actuated, whereby such vapori...
12/11/1979
4158352Apparatus for providing additional air to aid starting of I.C. engines
A method and apparatus for introducing additional air into the intake manifold to aid in the starting of an internal combustion engine. A flapper valve is provided on the throttle valve which is operative according to the pressure differential across the ...
06/19/1979
4154060Method for starting a pressure-charged internal-combustion engine and apparatus for implementing the method
A starting arrangement for a pressure-charged internal-combustion engine in which at the beginning of the starting phase combustion air is delivered to the engine by way of a bypass valve and a throttle valve in the charge-air line from the pressure-charg...
05/15/1979
4102315Proportional controller for controlling air flow to an engine
A proportional controller controls the speed of an engine during start-up and warm-up periods by utilizing the properties of thermoexpansive and electroexpansive materials to regulate air flow to the engine in proportion to engine manifold vacuum, prevail...
07/25/1978
4096843Starting system
A system for improving the starting characteristics of an internal combustion engine is described. The system effects reduced exhaust emissions, especially for engines having thermal reactor and/or exhaust catalyst components. The system comprises a carbu...
06/27/1978
4094292Hot starter system for engines
A starter system for a hot internal combustion engine, the starter system including a first valve which opens upon starting of the engine in a heated state to permit supplemental air to be drawn into the engine intake passage to dilute the air-fuel mixtur...
06/13/1978
4084559Speed control apparatus for an internal combustion engine
Speed control apparatus for an internal combustion engine comprises a throttle valve in an intake pipe of the engine, a throttle adjusting element for actuating the throttle valve, and a speed control regulator connected to the throttle adjusting element....
04/18/1978
4079708Control device for the engine of an engine driven saw
A control device for the engine of an engine driven saw having a carburetor with a normally closed fuel control or throttle valve and a normally open starting or choke valve. The device includes a selector member which has a "stop" position in which the e...
03/21/1978
4069802Cold starting devices
An internal combustion engine cold start device has an air valve which co-operates with a valve seat to vary the cross-sectional area of an gas supply passage upstream of a plug valve in the passage. The air valve is urged towards the valve seat by a coil...
01/24/1978
4064854Air valve for a fuel injection system
An air valve for a fuel injection system of a mixture-compressing externally ignited internal combustion engine which controlls the air flow in a bypass line associated with the air suction tube, the bypass line bypassing a throttle valve mounted within t...
12/27/1977
4043310Auxiliary apparatus for hot-starting internal combustion engine
Auxiliary apparatus for hot-starting an internal combustion engine includes a secondary air injection nozzle opened in the intake manifold, and a heat sensitive solenoid valve to control the supply of secondary air from an air source to the nozzle. When h...
08/23/1977
3977380Starter assist device for internal combustion engines
A starter assist device for internal combustion engines which includes a supplemental air supply passage for the intake manifold arranged to bypass the carburetor, and a thermo-sensitive switch incorporated in the starter circuit and arranged to cause int...
08/31/1976
3971351Fuel metering system
In an internal combustion engine, a fuel metering system having a metering apparatus for distributing charges of fuel from the fuel pump at predetermined intervals, and exhaust gas mixing device for mixing exhaust gas from the exhaust manifold with charge...
07/27/1976
3967610Cold starting devices
An internal combustion engine cold start device has an air valve which co-operates with a valve seat to vary the cross-sectional area of an auxiliary air supply passage upstream of a plug valve in the passage. The air valve is urged towards the valve seat...
07/06/1976
3960130Start air control system
An auxiliary air control system is disclosed for automatically controlling the air flow to an internal combustion engine during the starting phase of the engine's operational cycle to facilitate clean consistant starts under both hot and cold engine condi...
06/01/1976
          6  
 
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