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

Control apparatus for alcohol engine

Patent 5233944 Issued on August 10, 1993. Estimated Expiration Date: Icon_subject May 19, 2012. 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

Method and apparatus for utilizing alcohol as fuel for internal combustion engine
Patent #: 4342287
Issued on: 08/03/1982
Inventor: Concepcion

Controlled fuel injection system
Patent #: 4346689
Issued on: 08/31/1982
Inventor: Neely

Intake air heater
Patent #: 4369736
Issued on: 01/25/1983
Inventor: Ito

Apparatus for and method of precisely upgrading pump fuel in a motor vehicle
Patent #: 4422413
Issued on: 12/27/1983
Inventor: Pederson

Fuel control system
Patent #: 4495930
Issued on: 01/29/1985
Inventor: Nakajima

Dual fuel supply system
Patent #: 4502453
Issued on: 03/05/1985
Inventor: Kabasin ,   et al.

Injection system with stratified fuel charge
Patent #: 4705010
Issued on: 11/10/1987
Inventor: Baranescu

Fuel pump control apparatus
Patent #: 4800859
Issued on: 01/31/1989
Inventor: Sagisaka ,   et al.

Fuel injector assembly with an alcohol sensor
Patent #: 4905655
Issued on: 03/06/1990
Inventor: Maekawa

System for supplying different fuels to otto engines with electronic fuel-injection
Patent #: 4922862
Issued on: 05/08/1990
Inventor: Casacci

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Inventor

Assignee

Application

No. 885640 filed on 05/19/1992

US Classes:

123/1A, Fuels, lubricants and additives123/497, Electric fuel pump123/510, Fuel flow regulation between the pump and the charge-forming device123/575Diverse fuel supply

Examiners

Primary: Cross, E. Rollins
Assistant: Moulis, Thomas N.

Attorney, Agent or Firm

Foreign Patent References

  • 03249344 JP 11/20/1991

International Classes

F02B 075/12
F02B 013/00
F02B 037/04

Foreign Application Priority Data

1989-08-08 JP

Abstract

A control apparatus for an alcohol engine of a vehicle, the engine having an auxiliary equipment and using a fuel containing alcohol, comprising: an alcohol concentration sensor for outputting a detection signal corresponding to an alcohol concentration of the fuel; alcohol concentration calculating means responsive to said detection signal for calculating said alcohol concentration; determining means responsive to said alcohol concentration for computing an optimum condition to operate the auxiliary equipment; and driving means responsive to said optimum condition for driving the auxiliary equipment.

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