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

Icon_funbox Quotables

"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."

Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk

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 123/184.33 - Inlet manifold heated by outlet manifold


Subclass of Class 123 - Internal-combustion engines
Definition: Intake manifold wherein the engine also includes at least
No. of patents: 11
Last issue date: 09/20/2005


NumberTitleIssue Date
6945237Intake manifold with EGR/air mixing
An intake manifold mixes and supplies air and exhaust recirculation gas (EGR) to an internal combustion engine. The manifold is a casting and includes an air intake port, an intake chamber receiving intake air from the intake port, an outlet plenum communicated with...
09/20/2005
6935321EGR/air mixing intake manifold with dual orientations
An intake manifold mixes and supplies air and exhaust recirculation gas (EGR) to an internal combustion engine. The manifold is a casting and includes an air intake port formed on one side thereof, an intake chamber receiving intake air from the intake port, an outl...
08/30/2005
5216986V-engine construction
A V-engine for permitting the engine to be more compact and easy to assemble and to improve engine cooling performance. In a first embodiment, the branch pipes of the intake manifold of the engine extend at an acute inclined angle with respect to the cent...
06/08/1993
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
4592329Apparatus and operating method for an internal combustion engine
A method and apparatus for operating an electric ignition, 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 co...
06/03/1986
4267812Engine EGR cooler
An automotive type exhaust gas recirculation (EGR) cooler or heat exchanger that is constructed for integral mounting to the engine intake manifold, the cooler being flat and having an engine coolant inlet at one end of an oblong casing and a coolant outl...
05/19/1981
4258687Engine with integral mounted EGR cooler
An automotive type V-8 engine has an exhaust gas recirculation (EGR) system wholly contained within its intake manifold, and a flat, sandwich type EGR cooler is constructed to be integrally mounted to the underside of the manifold in the valley of the V-8...
03/31/1981
4212281Low weight reciprocating engine
An internal combustion V-8 engine is disclosed having an aluminum semi-permanent mold head cast by a low-pressure die-cast process and an iron block cast by the evaporative casting method. The block and head have controlled thickness walls throughout to o...
07/15/1980
4094283Internal combustion engine
Two or more carburetors for an internal combustion engine are mounted on a member providing inlet ducts for each carburetor to engine. The member also includes: An engine coolant duct to heat the ducts; and, further an exhaust gas duct to provide rapid he...
06/13/1978
3994129Exhaust gas cleaning device for internal combustion engines
An internal-combustion spark-ignition V-8 piston engine has an exhaust gas reaction chamber body positioned between its two banks of cylinders. Each cylinder has a main combustion chamber communicating with an auxiliary combustion chamber by means of a to...
11/30/1976
3969893Exhaust gas emission control device for multi-cylinder engines
Each cylinder of an internal combustion V-8 piston engine has a main combustion chamber and an auxiliary combustion chamber connected by a torch nozzle restriction. A main exhaust gas reaction chamber is positioned between the two banks of cylinders. Exha...
07/20/1976
 
Sign InRegister
Username  
Password   
forgot password?