Class 123/528 - Supercharged engine

Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter having means by which the associated engine,
No. of patents: 23
Last issue date: 01/04/2011

Number	Title	Issue Date
7861697	Carbureted natural gas turbo charged engine A control system for a turbo charged natural gas engine. A butterfly valve used for fuel control upstream of a carburetor provides non-linear flow response during opening and closing and a flow compensator compensates for the non-linear response. A throttle valve po...	01/04/2011
7240669	Method of operating an internal combustion engine with a dual fuel injection system In a method of operating an internal combustion engine by supplying a gaseous fuel from a gaseous fuel tank to a combustion air feed line in which a compressor is arranged to the engine, part of the gaseous fuel is added to the combustion air feed line upstream of t...	07/10/2007
7210469	Oxidation catalyst coating in a heat exchanger A method for an internal combustion engine includes the steps of collecting exhaust gas in a volume (902) and flowing exhaust gas out of the volume in a first and a second portions (904). The first portion forms a tailpipe gas stream (906), and ...	05/01/2007
7100582	Propane injection control system and apparatus for vehicles A propane injector system for internal combustion engines for improving performance, fuel efficiency, safety, cleanliness and environmental friendliness. The system consists of introducing propane gas into “a black box” that has a pressure reducing valve to drop...	09/05/2006
7032578	Venturi mixing system for exhaust gas recirculation (EGR) A venturi mixing system mixes intake air with exhaust gases for exhaust gas recirculation (EGR) in an internal combustion engine. The venturi mixing system has a venturi disposed in a mixing conduit. The venturi is connected to an intake air conduit and a supply con...	04/25/2006
6880535	Carburetion for natural gas fueled internal combustion engine using recycled exhaust gas A carburetion system, without complicated control systems, functions uniformly throughout the range of engine load and incremental increases of power demand to provide efficient stable engine performance for a natural gas fired, internal combustion engine using EGR....	04/19/2005
6457467	Internal combustion engine with air/fuel ratio control One embodiment of the present invention includes sensing speed or an internal combustion engine that includes a manifold coupled to an air pathway and a gaseous fuel line, sensing manifold pressure, and sensing manifold temperature. Air mass flow rate is ...	10/01/2002
6041765	Internal combustion engine with air/fuel ratio control Engine (60) has manifold (62) and includes an air pathway (20) and a fuel line (30) coupled to the manifold (62) for supplying a fuel charge. Fuel line (30) has a controllable valve (40) for regulating fuel flow and a first sensor (38) providing a fuel si...	03/28/2000
5904131	Internal combustion engine with air/fuel ratio control Engine (60) has manifold (62) and includes an air pathway (20) and a fuel line (30) coupled to the manifold (62) for supplying a fuel charge. Fuel line (30) has a controllable valve (40) for regulating fuel flow and a first sensor (38) providing a fuel si...	05/18/1999
5882514	Apparatus for magnetically treating fluids An apparatus for magnetically treating a fluid comprising a magnetic cartridge arranged within a shell to define a fluid passage between the inlet and the outlet of the shell and having components for subjecting fluid in the passage to both turbulence and...	03/16/1999
5791145	Natural gas engine control system A control system for an internal combustion engine can include a fuel molecular weight sensor to determine an actual and a desired Excess Air Ratio for an air/fuel mixture supplied to the engine. To prevent engine overload, the control system limits the a...	08/11/1998
5622053	Turbocharged natural gas engine control system A control system for an internal combustion engine can include a fuel molecular weight sensor to determine an actual and a desired Excess Air Ratio for an air/fuel mixture supplied to the engine. To prevent engine overload, the control system limits the a...	04/22/1997
5526797	Methods and apparatus for vaporizing and utilizing fuels of various octane ratings Modifications to the cylinder head of internal combustion engines in which the efficiency of fuel combustion is raised by the use of a plurality of liquid, vaporized liquid, and gaseous fuels through the alteration of cylinder compression ratios and spark...	06/18/1996
5408978	Gaseous fuel entrainment apparatus and process A mixer (10) for entraining gaseous fuel into an airstream for induction into an internal combustion engine (12) having a turbocharger (13). The mixer has a housing (16) mounted to a conduit (14) between the turbocharger and the engine. The mixer also has...	04/25/1995
5390646	Second stage intercooling with phase change heat transfer fluid An air-fuel supply system for an internal combustion engine in which fuel, such as natural gas, is stored in a fuel tank as a cryogenic liquid, and in which supply air is compressed. The charge air is intercooled to increase its density and, therefore, en...	02/21/1995
5375582	Method and apparatus for regulating temperature of natural gas fuel A combined LNG vaporizer and engine to aftercooler coolant heat exchanger 72 is provided for use in maintaining vaporized gas fuel at a design temperature band within the charged combustion air temperature so as to automatically compensate for ambient air...	12/27/1994
5172753	Automobile heating system An automobile heating system includes a turbocharger driven by the exhaust gas of an internal combustion engine and a shaft of the turbocharger is coupled to a compressor for compressing and heating ambient air to provide a heated air source for supply in...	12/22/1992
4769995	Air-fuel ratio controller for a turbocharged internal combustion engine An air-fuel ratio controller for a gaseous-fueled, turbocharged engine having an air manifold, a gas manifold, and a turbine inlet is disclosed herein. The controller includes means for controlling air manifold pressure and means for controlling turbine i...	09/13/1988
4523548	Gaseous hydrocarbon fuel storage system and power plant for vehicles A low pressure gaseous hydrocarbon fuel storage system and power plant is described, which generally comprises means for storing a self-contained supply of a gaseous hydrocarbon fuel, a prime mover, means for conveying the gaseous hydrocarbon fuel to and ...	06/18/1985
4522159	Gaseous hydrocarbon fuel storage system and power plant for vehicles and associated refueling apparatus A low pressure gaseous hydrocarbon fuel storage system and power plant is described which generally comprises on-board means for storing a self-contained supply of a gaseous hydrocarbon fuel, a prime mover, means for conveying the gaseous hydrocarbon fuel...	06/11/1985
4496286	Control system for engine-driven compressor unit and method of operation thereof A control system for a compressor unit driven by a clean-burn, turbo-charged, gas-fueled engine which is primarily responsive to the load (torque) and the speed of the engine to adjust certain engine parameters to maintain the operating conditions of the ...	01/29/1985
4471742	Fuel supply control method for an internal combustion engine equipped with a supercharger A fuel supply control method for electronically controlling the fuel supply to an internal combustion engine equipped with a supercharger. Pressure in the intake passage downstream of a throttle valve arranged therein is detected by first and second press...	09/18/1984
4440137	Supplemental fuel supply device for I.C. engine A liquid and supplemental gas fuel supply system for an I.C. engine, and in particular a diesel cycle engine, includes a gas fuel control valve that meters supplemental gas fuel into the engine intake air stream in response to engine air flow using a dire...	04/03/1984

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Class 123/528 - Supercharged engine