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

Gaseous fuel supply module for automotive internal combustion engine

Patent 5483943 Issued on January 16, 1996. Estimated Expiration Date: Icon_subject September 19, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3378063

Internal combustion engine dual fuel system
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Issued on: 06/22/1982
Inventor: McLean

Internal combustion engine with water heated intake manifold
Patent #: 4351284
Issued on: 09/28/1982
Inventor: Ludwig

Thermostatically controlled valve
Patent #: 4359972
Issued on: 11/23/1982
Inventor: Calkins

Fuel systems for internal combustion engines
Patent #: 4404948
Issued on: 09/20/1983
Inventor: Feltrin

Liquid fuel system method and apparatus
Patent #: 4503832
Issued on: 03/12/1985
Inventor: Pefley ,   et al.

Liquified petroleum gas carburetor
Patent #: 4545356
Issued on: 10/08/1985
Inventor: Casey

Apparatus for preventing freeze-up of a pressure regulator valve in a liquified petroleum fuel system
Patent #: 4688537
Issued on: 08/25/1987
Inventor: Calkins ,   et al.

Apparatus for injecting LP gas into diesel engine
Patent #: 4909209
Issued on: 03/20/1990
Inventor: Takahasi

Gas-phase propane fuel delivery system
Patent #: 5010868
Issued on: 04/30/1991
Inventor: Clements

More ...

Inventor

Assignee

Application

No. 308786 filed on 09/19/1994

US Classes:

123/527, Gaseous fuel and air mixer123/557Fuel only

Examiners

Primary: Solis, Erick

Attorney, Agent or Firm

International Classes

F02M 021/04
F02M 023/14

Abstract

A fuel supply module for furnishing gaseous fuel to a liquid cooled internal combustion engine includes a pressure regulator for reducing gas pressure from a relatively higher tank pressure to a relatively lower pressure required for induction into an engine, and a heating chamber surrounding at least part of the pressure regulator. The flow of liquid coolant into the module is controlled by means of a temperature controller which senses the temperature of the coolant within the heating chamber and which controls the amount of coolant flowing through the heating chamber in response to the sensed temperature so as to control the amount of which is transferred to the gas flowing through the fuel supply module.

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