U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 123/524 - Screen or mat


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the surface on which the fuel is
No. of patents: 24
Last issue date: 04/15/2008


NumberTitleIssue Date
7357124Multiple capillary fuel injector for an internal combustion engine
A fuel injector for vaporizing a liquid fuel for use in an internal combustion engine. The fuel injector includes a plurality of capillary flow passages, each of the plurality of capillary flow passages having an inlet end and an outlet end; a heat source arranged a...
04/15/2008
7337768Multiple capillary fuel injector for an internal combustion engine
A fuel injector for delivering fuel to an internal combustion engine. The fuel injector includes a fuel injector housing, a system for metering vaporized fuel to the internal combustion engine, the system positioned within the fuel injector housing, and a system for...
03/04/2008
7069916Evaporative fuel treatment apparatus for internal combustion engine
A fuel tank is provided with an atmospheric air introduction hole so that the fuel tank communicates with the outside. As a result, the interior of the fuel tank is maintained at a pressure level between substantially atmospheric air pressure and positive pressure. ...
07/04/2006
7028672Fuel supply system for an internal combustion engine
In a fuel supply system for an internal combustion engine having two separate storage containers for liquid fuels, both connected to a first controllable valve which is connected, via a connecting line including a fuel pump to an inlet of a second controllable valve...
04/18/2006
6959696Internal combustion engine evaporative emission control system
A fuel vapor control system that is adapted for use with internal combustion engines includes a fuel tank, an evaporative emission control device containing activated carbon and including a first orifice that fluidly communicates with the fuel tank via a vent line. ...
11/01/2005
6817197Intake air dehumidification system for an internal combustion engine
An intake air dehumidification system for an internal combustion engine includes a peltier junction device responsive to at least one control signal to cool, and therefore condense moisture from, ambient air supplied by an air intake conduit to an intake manifold of...
11/16/2004
6273072Fuel system apparatus and method
A combustion engine fuel system apparatus saturates and diffuses a gas, such a air, into a liquid fuel. The apparatus includes a fuel saturation chamber connected to the engine fuel tank for receiving a liquid fuel therefrom and also connected to a gas co...
08/14/2001
6189516Fuel vapor extraction system
A fuel vapour extraction system is described for an internal combustion engine (10) that is supplied with a volatile liquid fuel from a fuel storage tank (20). The engine (10) has an air intake system (12, 14, 16) and a liquid fuel injection system for di...
02/20/2001
5850821Method and system for estimating air/fuel ratio of an engine having a non-heated fuel vaporizer
A method and system for estimating air/fuel ratio of an internal combustion engine having a fuel vaporizer device calculates the rate of fuel evaporation based on temperature of the vaporizer device to estimate air/fuel ratio during a cold-start. In one e...
12/22/1998
5673672Carburettor metering systems
A carburettor metering system comprises a fuel evaporator 113 consisting of porous parallel plates 114 with their lower portions immersed in fuel 121, fuel metering means 122 for supplying fuel to the evaporator 113, and a laminar flow air restrictor 128 ...
10/07/1997
5564399Carburetor metering systems
A carburettor metering system comprises a fuel evaporator 113 consisting of porous parallel plates 114 with their lower portions immersed in fuel 121, fuel metering means 122 for supplying fuel to the evaporator 113, and a laminar flow air restrictor 128 ...
10/15/1996
5529035Cold start fuel injector with heater
A cold start fuel injector is disclosed for use with an internal combustion engine of the type having an intake manifold and a fuel injection system. The cold start fuel injector includes a housing having a fuel inlet and a fuel outlet. An outlet containe...
06/25/1996
4848290Cold-start engine priming and air purging system
A fuel delivery system for purging air from the reservoir of a diaphragm carburetor on an internal combustion engine and for supplying priming fuel to the carburetor air intake. A pump is responsive to electrical signals from priming control circuitry to ...
07/18/1989
4715346Carburetor for internal combustion engine
A carburetor for an internal combustion engine has a long multi-stage mixing path for the air and fuel to completely mix, the path being formed by three mixing chambers arranged vertically in tandem. Each chamber has a spirally extending pathway. The air ...
12/29/1987
4567871Fuel distribution and metering
The invention relates to a fuel metering and distribution system for an internal combustion engine comprising an open fuel reservoir 18 into which fuel is metered and a set of capillary tubes 20 each extending from the fuel reservoir 18 to a point in an i...
02/04/1986
4513726Fuel saving system for a gasoline engine
A fuel saving system for a gasoline engine including a chamber for mixing air and gas and passing the vaporized fuel into an intake manifold to create a better balanced fuel mixture in the engine combustion chambers. The mixing chamber draws air from the ...
04/30/1985
4469075Vaporous gasoline fuel system and control therefor
A fuel system and electronic control therefor which is especially designed for use with an internal combustion engine or the like in which said fuel system is operable to provide fuel fumes or vapor to the engine from a source of liquid ignitable vaporiza...
09/04/1984
4452214Fuel mixing device
A fuel mixing device is provided an more particularly on improved fuel mixing device for an internal combustion engine which improves the fuel efficiency of the engine to obtain a more complete utilization of the power transmitting properties of the fuel....
06/05/1984
4412521Evaporative carburetor and engine
An evaporative carburetor has a normally pressure-tight chamber which houses an evaporator tray to which a fuel supply delivers gasoline. A first air passage in the carburetor chamber communicates from a first, automatically-valved, air inlet to pick up g...
11/01/1983
4397286Vaporous gasoline aspiration system and fuming tank
A fuel system especially designed for use with an internal combustion engine or the like in which fuel system is operable therewith to provide fuel fumes or vapor to the engine from a source of liquid ignitable vaporizable fuel, such as gasoline, of suffi...
08/09/1983
4374508Fuel saver system for internal combustion engines
An arrangement and method is disclosed for improving the fuel economy of an internal combustion engine of the type having a carburetor for mixing a fuel with air, in which the air is saturated with a mixture of ether, alcohol and water....
02/22/1983
4306519Air humidity device for internal combustion engine
A vaporizer cooperating with a recirculating water system humidifies air before it enters the carburetor of an automobile engine. The vaporizer is generally a hollow tube which includes an evaporating pad that distributes liquid such as water. As air move...
12/22/1981
4290401Vaporization means for liquid fuel
In vaporization means for liquid fuel for an internal combustion engine, the mixture strength is measured and used to control the rate of flow of liquid fuel into the air stream so as to maintain the mixture strength constant. Measurement of mixture stren...
09/22/1981
4103658Carburetor
A carburetor for an internal combustion engine comprises a housing, porous matter contained in the housing, means for injecting fuel into the housing and onto the porous matter to effect completion of vaporization of the fuel, means for admitting air into...
08/01/1978
 
Sign InRegister
Username  
Password   
forgot password?