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Class 123/587 - Oxidant controlled by intake manifold vacuum


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the means for providing additional
No. of patents: 162
Last issue date: 04/08/2008


1          
NumberTitleIssue Date
7353812Vehicle engine with integral vacuum generator
An integral vacuum generator system for an internal combustion engine includes a throttle body and intake manifold defining a bypass passage which is connected with a vacuum manifold by both a venturi and a direct vacuum supply passage. Vacuum flow through the ventu...
04/08/2008
7337770Oxygen enrichment for internal combustion engines
In accordance with embodiments of the present invention, a system is provided comprising an oxygen-enrichment reverse osmosis unit coupled to an intake of an internal combustion engine. Ambient air is supplied to the reverse osmosis unit via an ambient-air inlet and...
03/04/2008
7318445Fuel vapor pipe structure of fuel tank
In a fuel vapor pipe structure including a plurality of cut valves for passing or cutting a fuel vapor at inside of a fuel tank, a pipe joint connected to the cut valves for communicating the fuel vapor to a canister, and a resin tube for connecting the cut valve an...
01/15/2008
7311092Torsion-enhancing apparatus
A torsion-enhancing apparatus has a mounting bracket, a vacuum bracket and two air filters. The mounting bracket has a threaded hole, a first connecting tube and two ventilating holes. The threaded hole is formed in the front end and the first connecting tube is con...
12/25/2007
7263832Method and arrangement for controlling an electrically operated charger
The invention is directed to a method and an arrangement (10) for controlling an electrically operated charger (1), which essentially prevent a sudden drop in voltage with the run-up of the electric charger. A drive signal (AS) is formed, which drives ...
09/04/2007
7255197Muffler
A muffler which reduces noises of a wide frequency band with a simple structure. Sound waves of an intake duct enter into and are received in a resonance box via a branch pipe. At the branch pipe, a movable body slidingly abuts a peripheral portion of an opening of ...
08/14/2007
7191755Idle air control valve stepper motor initialization technique
A system for controlling idle air flow for an engine. The system includes an idle air control valve, a stepper motor, and a controller. The idle air control valve has a first hard stop and a second hard stop. The stepper motor is coupled to the idle air control valv...
03/20/2007
7188614Petrol saving structure of a motor vehicle
An oxygen-detecting voltage controlling device includes an air filter, an electromagnetic valve, and a controlling circuit board, which is electrically connected to an engine computer for obtaining a current rotating speed value of an engine and sending a stable vol...
03/13/2007
7150299Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor
A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ...
12/19/2006
7131434Auxiliary valve
An auxiliary valve assembly for improving the aspiration of an internal combustion engine. The auxiliary valve can be thread-mounted to a gas-air intake chamber. A spring-biased ball that seals an air inlet opens under sufficient vacuum pressure. Filtered air then p...
11/07/2006
7128036Autochoke controller
An auto-choke control device maintains good startability at the time of restarting at high temperature without need of a thermostat specific for an auto-choke. An engine temperature detection device is drivably controlled by a control circuit in response to the engi...
10/31/2006
7127964Pedal arrangement for a motor vehicle with a displacement sensor unit
The invention relates to a sensor unit, integrated in a pedal-box, for the determination of the angular position of a pedal lever (1), in the form of an inductive non-contact separation sensor, comprising a stationary sensor head (3) and a sensor eleme...
10/31/2006
7013916Sub-atmospheric gas delivery method and apparatus
An apparatus for containing and delivering hazardous gases at sub-atmospheric pressure from a pressurized container is provided which includes a valve body in sealed communication with an outlet orifice of the pressurized container. The outlet orifice of the pressur...
03/21/2006
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
6994604Method for inhibiting water ingestion in a four cycle marine engine
A method is provided for avoiding water ingestion through an exhaust system into the cylinders of an engine during an engine shutdown procedure. Air is allowed to flow into the air intake conduit, either through an opened throttle plate or through an opened idle air...
02/07/2006
6962047Engine intake A/F ratio control system in outboard engine system
In an engine intake A/F ratio control system in an outboard engine system, a secondary air passage (P) for supplying secondary air for regulating the A/F ratio of an air-fuel mixture is connected to a carburetor (33) in an intake system of an engine (E), and ...
11/08/2005
6951199Vacuum generator in combustion engine
A vacuum generator is provided wherein the intake vacuum of a combustion engine is led to a negative pressure device such as a vacuum booster of a brake booster device through a check valve. An idling air passage is connected to a suction pipe of the combustion engi...
10/04/2005
6929386Connector housing with integrated lamp and switch
A lamp with connector housing for motor vehicles comprising a push/push switch, a light source, and a backplate with a 3-way connector. The backplate with a 3-way connector further comprises a connection between point ground and point door and a connection between p...
08/16/2005
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
5996563Air intake device
An air intake device has a base seat, a hollow main body disposed on the base seat, and a hollow cover seat disposed on the hollow main body. An intake guide pipe is connected to the connection pipe. A plurality of L-shaped plates are disposed in the holl...
12/07/1999
5845626Air inlet auxiliary device for vehicles
An air inlet auxiliary device provides additional air to an inlet manifold of a vehicle. The auxiliary device includes a main body, a filter assembly mounted to a first end of the main body, a control seat mounted to a second end of the main body and in f...
12/08/1998
5797382Air assist device of an engine
An air assist device comprising a plurality of air intake ports formed in the inner wall of an intake duct around a throttle valve. The assist air is taken in from the air intake ports. The amount of opening of the air intake ports is controlled by the ou...
08/25/1998
5738078Burning effect booster for an engine
A burning effect booster for an engine includes a body, a filter device, adjusting screws, and vacuum valve units. The vacuum valves units respectively have two nozzles to be connected with the intake manifold of an engine. The adjusting screws are adjust...
04/14/1998
5694888Fuel consumption optimizer and exhaust emissions reducer based on an air-vacuum liquid compensation system
A fuel consumption optimizer and exhaust emissions reducer for an internal combustion engine including an air-vacuum liquid compensation device has a device for supplying a first stream of air at high speed and a second stream of air at high volume throug...
12/09/1997
5694907Gasoline engine booster
A gasoline engine booster which includes a casing having a first port connected to the atmosphere, a second port connected to the intake manifold, a first air passage of smaller diameter and a second air passage of bigger diameter connected in series betw...
12/09/1997
5509397Air supply system preventing backflow
A fuel injection system for an internal combustion engine having an air supply passage for supplying air to a point close to the fuel injection hole of a fuel injector to realize good atomization of the injected fuel. The system comprises an air supply pa...
04/23/1996
5487366Intake manifold
An intake manifold for use with a combustion engine is disclosed. The intake manifold comprises a dimensionally stable induction pipe body having at least one first flow-through opening and at least one first adjusting element arranged in the first flow-t...
01/30/1996
5427081Internal combustion engine air intake regulating system
The present invention involves an air regulation system for an internal combustion engine. The system comprises an air intake manifold, in turn presenting a main conduit with a throttle valve, and a bypass conduit with a regulating valve. An inlet and out...
06/27/1995
5381768Air-fuel ratio control apparatus of an internal combustion engine
An air-fuel ratio control apparatus capable of preventing production of a torque shock which is liable to be caused in an engine when the air-fuel ratio is varied for a change between rich combustion and lean combustion. When the engine is in any other op...
01/17/1995
5313926Supplemental emission control device for a gasoline engine
A supplemental emission control device for a gasoline engine utilizes the vacuum suction of the venturi of the carburetor or the air intake manifold to draw ambient air through a filter sponge and a piston control chamber into the combustion chamber of a ...
05/24/1994
5269283Emission control device for fuel injection and carbureted engines
Disclosed herein is an emission control device for use with a carburetor or fuel injection engine. The device is comprised of a body member of predetermined thickness and may define therein at least one through opening. The through opening communicates wi...
12/14/1993
5245976Air induction control device
An air induction control device for an internal combustion engine comprises means defining a communication passageway for communicating between air at atmospheric pressure and the air in the downstream passageway from a throttle valve. A valve member is d...
09/21/1993
5113837Air induction control device
An air induction control device for an internal combustion engine comprises means defining a communication passageway for communicating between air at atmospheric pressure and the air in the downstream passageway from a throttle valve. A valve member is d...
05/19/1992
5046475Emission control device for carbureted engines
Disclosed herein is an emission control device for use with a carburetor having a base and at least one fuel opening defined in its base. The device is comprised of a body member of predetermined thickness and defining therein at least one through opening...
09/10/1991
5012789Cold start by-pass valve
A cold start air control device for an internal combustion engine of the type having an air delivery system in which the delivery of air to a vacuum generating manifold is controlled by a throttle valve and a by-pass valve and parallel with the throttle v...
05/07/1991
4958614Feed device for an internal combustion engine
The proposed feed device comprises non-return valve means, preferably of flap type, which are able to open and close the small ducts provided for feeding the individual cylinders of an internal combustion engine when the throttle valves are in their maxim...
09/25/1990
4934331Additional air supply means for an internal combustion engine
An apparatus for supplying additional air into the intake port of an internal combustion engine is described. The apparatus includes an additional air discharge means protruding into the intake port of the internal combustion engine and formed as nozzle t...
06/19/1990
4915085Starting enhancer and stabilizer
An assembly is provided for supplying a supplemental source of ambient air into the air intake manifold of a two-cycle internal combustion engine during start-up and abnormally low idle modes during which typically only minimal air would otherwise be avai...
04/10/1990
4895125Apparatus for the feedback of exhaust gases in an internal combustion engine
An internal combustion engine has an intake gas conduit; an output setting member disposed in the intake gas conduit and arranged for controlling therein the flow of intake gas; an exhaust gas conduit; a throttle member disposed in the intake gas conduit ...
01/23/1990
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