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

Icon_funbox Quotables

"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."

Sir William Preece, chief engineer, British Post Office ; 1878

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 123/547 - Combustible mixture and heating meduim adjoin one another


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the passages carrying the heating
No. of patents: 120
Last issue date: 05/06/2008


1      
NumberTitleIssue Date
7367329Intake device for engine
An intake device for an engine includes a fuel supply system for supplying fuel to an intake passage and a plurality of plates. The plurality of plates are positioned on an upstream side and a downstream side along a direction of a flow of intake air and arranged at...
05/06/2008
7316226Heated PCV system
A PCV system includes heated PCV valve for metering a flow of crankcase gases therethrough and a heated inlet manifold fitting for receiving a flow of crankcase gases therethrough. The PCV valve and the heated inlet manifold fitting are in communication with a curre...
01/08/2008
7288748PTC electrical heating devices
PTC electrical heating devices are disclosed which are suitable to vaporize air treatment chemicals from an impregnated slab, such as insect repellents. In one form an electrical contact to a PTC heater element is provided with a bowl-shaped contact head to reduce t...
10/30/2007
7278389Automobile intake air flow plenum and plenum diverter
An airflow diverter and replacement air intake plenum is disclosed that provides an increase in the air speed and airflow within the intake plenum of an automobile. The increase is the result of providing appropriately sized and shaped apparatus to smooth out the ai...
10/09/2007
7168418Heating device for carburetor
A portion of the engine cooling water flowing from the cooling water pump through the engine and the radiator back to the cooling water pump is introduced into the carburetor through piping to heat the carburetor. The downstream side of the carburetor piping is conn...
01/30/2007
7131432Natural gas engine supply method and apparatus
A method and apparatus providing for efficient operation of gas engines in non-ideal temperature conditions. An apparatus is provided in fluid communication with a source of gas, and with the gas input of a gas engine. The apparatus accepts gas from the source, and ...
11/07/2006
7111617Diverter for exhaust gas recirculation cooler
A diverter, apparatus and method of bypassing an exhaust gas recirculation cooler in order to selectively cool recirculated exhaust gas is disclosed. The diverter relies on the Coanda effect to direct the exhaust gas flow to the cooler or to a bypass around the cool...
09/26/2006
6581582Preheat fuel delivery system
A preheat fuel delivery system includes a fuel processor and a source of vaporized fuel. Vaporized fuel is feed into the inlet fuel port of the fuel processor. An outlet fuel port of the fuel processor is connected to an intake port of a combustion source...
06/24/2003
6484701Four-stroke cycle internal combustion engine
In a compression stroke and an exhaust stroke, a part of a mixture in a downstream intake passage 30b is introduced through a branch intake passage 50a into a crank chamber 20. The mixture introduced into the crank chamber 20 flows into a valve chamber 16...
11/26/2002
5367990Part load gas exchange strategy for an engine with variable lift camless valvetrain
A variable engine valve control system and method of operation thereof wherein each of the reciprocating engine valves is hydraulically or electrically controlled and can vary its lift schedule for various engine operating conditions. During part load ope...
11/29/1994
5337706High-performance internal-combustion engine, particularly of the four-stroke type
High-performance internal-combustion engine, particularly of the four-stroke type, including an engine block inside which combustion chambers are formed; each chamber slidingly accommodates a piston and is connected to at least one inlet duct for the air-...
08/16/1994
5337723Fuel supply control device for internal combustion engines
A fuel supply control device for an internal combustion engine in which fuel is injected from a fuel injection device (6) in an intake port (2.1) and air that flows into the intake port is mixed with the injected fuel to be supplied to combustion chamber ...
08/16/1994
5327874Method and device for preparing fuel-air mixture for internal combustion engine
The present invention relates to the engine-building industry and can find application in the fuel feed system of internal combustion engines for preconditioning part of the flow of a rich fuel-air mixture fed to the main flow to decompose liquid fuel and...
07/12/1994
5261359Reciprocating 2-stroke cycle internal combustion engine
A superchargeable multi-cylinder 2-stroke cycle internal combustion engine employs opposite reciprocating mult-port slide valves in guideways on opposite sides of the engine block, to open and close cylinder air supply and combustion gas discharge conduit...
11/16/1993
5172673Injection internal combustion engine with electrical spark ignition
An internal combustion engine having a fuel injection furnishing fuel to a cylinder via a cylinder head passage leading to a cylinder inlet valve and having an air inlet channel member furnishing air to the cylinder via the passage has a heating element h...
12/22/1992
5154154Intake device for a mixture-compressing internal-combustion engine
An intake device for a mixture-compressing internal-combustion engine has a heating element for heating the injected fuel downstream of an injection nozzle in the intake channel in order to avoid formation of fuel condensate which is harmful in the exhaus...
10/13/1992
5152272Cylinder head with an evaporation element in an air-intake channel
A cylinder head of an internal-combustion enbgine with at least one inlet valve and a fuel injection in an air-intake channel has an evaporation element intended for improving the fuel/air mixture formation projecting into the air-intake channel. The evap...
10/06/1992
5140967Evaporation element in an internal-combustion engine cylinder head
In multi-valve engines, a partition wall dividing the intake channel into inlet-valve channels as an evaporation element in the intake channel of a cylinder head of an internal-combustion engine for improving the fuel-mixture formation and consequently fo...
08/25/1992
5140966Carburetor for an internal combustion engine
Carburetors and fuel injection systems are used to facilitate a combustile mixture of air and fuel for internal combustion engines. Inherently, the fuel in this mixture is mostly in liquid droplets. However, it is the vaporous fuel which combines with the...
08/25/1992
5134986Internal combustion engine with fuel heater
An internal combustion engine has a channel member such as a plenum chamber or cylinder head or the like with an inlet receiving air and fuel to form an air-fuel mixture and with a pair of outlets furnishing the air-fuel mixture to respective cylinders or...
08/04/1992
5123398Carburetion system
A fuel gasifier for an internal combustion engine having a gasification chamber, a device for injecting fuel into the chamber in droplets of about 30-50 microns or less in diameter, an ambient air inlet to the chamber with a flow control therefor, to admi...
06/23/1992
5119794Fuel heater for internal combustion engines
This invention relates to a fuel heating device for internal combustion engines, in which both fuel heating means and fuel conductance passage are accommodated in the main body, constructed in such a manner that the fuel is injected after being heated whi...
06/09/1992
5056495Fuel supply device and heating device
A fuel supply device and heating device or system for an electrically controlled fuel injection engine has an air intake and a fuel injector arranged to direct air and fuel respectively into a cylinder inlet passageway leading to a cylinder inlet valve op...
10/15/1991
5054458Combustion engine with fuel injection system, and a spray valve fo r such an engine
The invention relates to a combustion engine with fuel injection system, having at least one cylinder with an air inlet passage, into which passage opens a fuel spray valve which is connected to a fuel pipe with pump. Disposed in the fuel pipe or on the s...
10/08/1991
5012788Fuel-air mixture-forming device for internal combustion engines
The present invention proposes a fuel-air mixture-forming device for internal combustion engines, having a rotationally symmetric nozzle body (2) which, together with a rotationally symmetric throttle body (8) displaceable in it, forms a convergent-diverg...
05/07/1991
5007402Intake system for a mixture-compressing internal-combustion engine
The invention relates to an intake system for a mixture-compressing internal-combustion engine, having a heating element of flat form which is arranged in the intake channel downstream of a fuel-injection nozzle. The heating element is intended for heatin...
04/16/1991
4979483Diesel fuel heater
A diesel fuel heater for heating diesel fuel prior to its introduction into the diesel engine wherein said fuel heater comprises top and bottom covers and an elongate annular section. The fuel heater of the present invention heats the fuel by passing engi...
12/25/1990
4905651Device for forming and metering an air and fuel mixture for an internal combustion engine
A device comprising a body in which is formed a chamber in which fuel is mixed with air; a cylindrical mixture delivery duct the opening of which is controlled by a throttle valve; and a body cover to which is fitted a fuel injector for supplying atomized...
03/06/1990
4834053Internal combustion engine
An internal combustion engine is provided with a heat sink 6 with thermistor pellets 10, 22, 32 of PTC material. This heat sink is held in position inside a through passage for the fuel mixture through the action of clamp means 14; 17; 23; 33 which press ...
05/30/1989
4817566Four-stroke cycle induction tuned V-engine with central exhaust manifold
A V-type four-stroke cycle internal combustion engine is provided with an exhaust manifold disposed in the valley of the V-shaped engine. The exhaust from the cylinders passes through the cylinder heads to an exhaust collection cavity formed in the exhaus...
04/04/1989
4715327Flow system for engine-pump assembly
A flow system for an engine-pump assembly utilizes the engine cooling water for heating the engine carburetors to prevent icing thereof and includes a flow indicator providing a visual indication of the condition of the engine's cooling water flow....
12/29/1987
4712519Intake manifold for a three-cylinder air-fuel mixture suction type engine
In an intake manifold for a multi-cylinder air-fuel mixture suction type engine according to the present invention, the manifold body is formed into a simplified hollow shell-shape which is elongate bilaterally. And a carburetor is installed on the one en...
12/15/1987
4637365Fuel conditioning apparatus and method
A method and apparatus for operating an internal combustion engine that substantially improves the fuel efficiency by utilizing heat normally discharged to the ambient to condition and prepare the fuel mixture prior to entry into the combustion chambers. ...
01/20/1987
4569322Hot plate fuel vaporizer
A fuel vaporizing device for use with a carburetor to more efficiently vaporize and distribute the fuel portion of the air/fuel mixture. The device is mounted between the carburetor and intake manifold and positions a hot plate element in the flow path of...
02/11/1986
4548183Operational mode responsive heating arrangement for internal combustion engine induction system
In an engine system wherein the engine coolant is permitted to boil and the gaseous coolant used as a vehicle for removing heat from the engine, a heating jacket associated with the induction conduit of the engine is supplied with gaseous coolant via a co...
10/22/1985
4491119Diesel oil heater for diesel engine
This invention relates to an internal combustion engine cooled by water and provided with a Diesel oil heater, wherein the exchanger of the heater is fixed directly to the cylinder head of the engine, the two surfaces in contact being coupled to each othe...
01/01/1985
4463737Fuel system having gasket heater
A fuel system for an internal combustion engine has an electrical resistance heater accommodated in gasket means disposed between a throttle body flange and a mating flange on an intake manifold so that the heater is located immediately adjacent an idling...
08/07/1984
4426967Engine charge air temperature classifier
The invention presents new and useful improvements in the method of designing air induction circuits for use in the intake manifolds of super-charged internal combustion engines. An air vortex generating chamber having a single air inlet conduit and two o...
01/24/1984
4414932Method and apparatus for heat storage in internal combustion engines
Exhaust emissions are reduced, fuel consumption is improved for internal-combustion engines, and the number of cold starts reduced by storing heat energy from the operation of the engine in a heat-storage reservoir filled with a change-of-state heat-stora...
11/15/1983
4413605Intake manifold heating and exhaust gas recirculation system for an internal combustion engine
An internal combustion engine is provided with a system for heating the intake manifold and for the partial recirculation of the exhaust gas....
11/08/1983
1      
 
Sign InRegister
Username  
Password   
forgot password?