Title:
PROPANE INJECTION CONTROL FOR GASOLINE AND GASEOUS FUEL INTERNAL COMBUSTION ENGINES
Document Type and Number:
WIPO Patent Application WO/2010/016903
Kind Code:
A3
Abstract:
A system and method for metering the injection of propane gas into the air intake of a gasoline or gaseous fuel spark ignition internal combustion engine by subjecting a metering valve member to intake manifold vacuum so as to decrease propane injection with increasing engine vacuum which counters a substantially constant biasing spring force acting to thereon tending to increase at the propane injected into the engine air intake.
Inventors:
LONG KEITH (US)
Application Number:
PCT/US2009/004492
Publication Date:
April 08, 2010
Filing Date:
August 06, 2009
Export Citation:
Assignee:
LONG KEITH (US)
International Classes:
F02D19/08; F02M21/02; F02M47/02; F02M61/04; F16K31/145
Foreign References:
| US5546908A | 1996-08-20 | |||
| US5413075A | 1995-05-09 | |||
| US4505249A | 1985-03-19 | |||
| EP0049721A1 | 1982-04-21 |
Attorney, Agent or Firm:
BENEFIEL, John, R. (Birmingham, MI, US)
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