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Class 137/480 - Valve in auxiliary inlet to induction line


Subclass of Class 137 - Fluid handling
Definition: Apparatus in which the valve controlled is a second or auxiliary
No. of patents: 24
Last issue date: 09/11/2007


NumberTitleIssue Date
7267114Wildland fire vehicle escape system
A wildland fire truck engine emergency combustion oxygen supply apparatus for the prevention of stalling of the engine in an oxygen depleted environment. The apparatus has a storage tank mounted on the vehicle for the storage of oxygen, nitrous oxide, or air, a feed...
09/11/2007
7246607Three position fuel line check valve for relief of diurnal pressure
Prior art fuel line check valves remain closed after engine off and cool down. Diurnal heating and the resultant pressure increase in the fuel line causes fuel vapor emissions through small openings in the fuel line (e.g., at the injector tips). The invention provid...
07/24/2007
7096883Combined check/pressure control valve
The invention relates to a combined check and pressure control valve (10), comprising a check valve element (34) which is adjustable between an opened position and a closed position, and a pressure control valve element (42) which on exceeding a...
08/29/2006
7011103Vacuum relief assembly for I.C. engine intakes
A Vacuum Relief Assembly for I.C. Engine Intakes is disclosed. Also disclosed is a device that permits outside air into the intake tract of an internal combustion engine in the event of an excessively high vacuum condition within the intake tract. Furthermore, the d...
03/14/2006
6968858Check valve
The check valve according to the invention significantly reduces the generation of noise by producing an asymmetrical circulation around the closing body causing a force resulting from the flow and acting on the closing body to have a transverse component in relatio...
11/29/2005
6726742Air cleaner with a secondary intake
An air cleaner intake door is provided. An air cleaner with at least one sidewall and an opening defined in the sidewall has a door mounted over the opening. The door is rotationally movable between an open and a closed position and a cam extends from the door. A sp...
04/27/2004
6102017Automatic valve for the inlet manifold of an internal combustion engine
An automatic bleed valve is disclosed, suitable for attachment to the inlet manifold of an internal combustion engine in order to provide an effective embodiment of the "air bleed" principle. Small amounts of inlet air are allowed into the inlet manifold ...
08/15/2000
4852539Supplemental air valve for internal combustion engine
An air metering valve or supplemental air valve connectable in the PCV system of an internal combustion engine having a shiftable valving member which regulates the quantity of supplemental air introduced into the PCV return. The valve spool is spring bia...
08/01/1989
4715351Supplemental air valve for internal combustion engine
An air metering valve or supplemental air valve connectable in the PCV system of an internal combustion engine having a shiftable valving member which regulates the quantity of supplemental air introduced into the PCV return. The valve spool is spring bia...
12/29/1987
4702272Valve device for increasing the fuel economy and reducing the emissions from an internal combustion engine
Valve device includes a valve chamber containing three spherical members in stacked relation which produce a limited pulsating air flow that is metered in precise amounts at any given time into the fuel/air path of a gasoline powered internal combustion e...
10/27/1987
4425937Fluid injection system
An antidetonant injection system for use in an internal combustion engine system having a novel valve in which the amount of antidetonant allowed to flow through the valve is directly related to the amount of engine demand ranging from zero flow when the ...
01/17/1984
4196709After burning preventive system for an internal combustion engine
The accumulator chamber communicates with the atmosphere through a passage which is formed therein with a restriction for restricting the cross sectional area of the passage or which is provided therein with a pressure control valve for opening the passag...
04/08/1980
4194477Device for admission of secondary air to internal combustion engine intake
A system for admitting secondary air to an engine intake manifold at the time of abrupt engine deceleration to avoid air/fuel mixtures which are momentarily too rich. The system is disabled from admitting secondary air when the engine is starting cold, an...
03/25/1980
4182297Heat control system for a two-cycle engine
A two-cycle air-cooled engine has a carburetor with a throttle valve operated by a manual control member. A heat sensitive valve mounted on the engine cylinder head closes to cut off a supplementary air supply to the induction passageway and thereby riche...
01/08/1980
4172438Valve device and system employing same
Valve device includes a valve chamber containing three spherical members of different hardnesses in stacked relation therein, which produce a limited pulsating air flow that is metered in precise amounts at any given time into the fuel/air path of a gasol...
10/30/1979
4160433Modulating air control valve
An improved modulating air control valve which intermittently introduces air into the intake manifold of internal combustion engines as a function of the vacuum differential between the intake manifold and the ported vacuum at the carburetor. The valve in...
07/10/1979
4098241Apparatus for preventing after-fire in an internal combustion engine
Disclosed is an apparatus having an air control valve for introducing an amount of air into the intake system of an internal combustion engine when the engine begins to decelerate, for preventing after-fire of an unburnt air-fuel mixture in the catalytic ...
07/04/1978
4071044Air monitoring valve for combustion engines
A vacuum-operated, pressure-responsive valve is adapted for connection to the intake manifold of an internal combustion engine for monitoring supplemental airflow to the engine, the improvement of the present device providing precise adjustment of the sup...
01/31/1978
4055159Gas saving device
An auxiliary air inlet device for internal combustion engines in motor vehicles includes an elongated tubular housing means adapted to be mounted relative to the combustion engine, and mounting means for removably connecting one end of an air filter to on...
10/25/1977
3999737Flow control valve for exhaust gas purifying system
A flow control valve for an exhaust gas purifying system which is divided into a first valve chamber into which the exhaust gases flow and a second valve chamber out of which the exhaust gases flow. A first valve means responsive to the exhaust gases cont...
12/28/1976
3990420Air induction valve
An air induction valve adapted to introduce controlled amounts of additional air to the combustion chamber of an automotive engine when engine vacuum is low, which includes a hollow cylindrical casing having a chamber in communication with the intake mani...
11/09/1976
3977372Carburetor vacuum shutoff control valve
A carburetor vacuum shutoff control valve for motor vehicles includes a snap-action spring which senses the the sudden vacuum increase in the carburetor each time the vehicle decelerates. The spring opens the valve during deceleration to allow air to pass...
08/31/1976
3967605Intake vacuum controlled manifold vacuum spoiler
A valve body having a bore formed therethrough defining an air inlet at one end and including a diametrically enlarged counterbore at the other end. The outer end of the counterbore is closed by means of a removable end wall having a small diameter openin...
07/06/1976
3949719Volumetric control valve unit for crankcase ventilation system
The control valve unit includes a vertical tubular member mounted at its upper end in the outlet opening of a filter unit incorporated in an internal combustion engine crankcase ventilation system. The tubular member is formed with slot means restricting ...
04/13/1976
 
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