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

Devices for supplementing conventional liquid fuels in internal combustion engines with gaseous fuel supplements

Patent 4343272 Issued on August 10, 1982. Estimated Expiration Date: Icon_subject March 12, 2000. 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

642167

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Inventor

Application

No. 06/129791 filed on 03/12/1980

US Classes:

123/297, Combination igniting means and injector123/143R, IGNITERS123/169EL, Electrodes123/169RPlugs

Examiners

Primary: Lall, P. S.

Attorney, Agent or Firm

International Classes

F02M 57/06 (20060101)
F02B 7/06 (20060101)
F02B 7/00 (20060101)
F02M 25/10 (20060101)
F02M 25/00 (20060101)
F02M 57/00 (20060101)

Abstract

Disclosed are several devices for supplementing conventional fuels (liquid or gas) in internal combustion engines with gaseous fuel supplements. The first device contains means for introducing a stream of hydrogen and/or oxygen gas into the spark gap. The second device contains means for introducing a gaseous fuel supplement into the combustion chamber through the piston. The third and fourth devices both contain means for introducing a gaseous fuel supplement into the venturi.

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