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

Fuel vaporization device

Patent 4483305 Issued on November 20, 1984. Estimated Expiration Date: Icon_subject September 24, 2002. 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

2635553

2997035

Vaporized fuel system for internal combustion engines
Patent #: 4003356
Issued on: 01/18/1977
Inventor: Naylor

Rotary vane engine with orbiting inner and outer members
Patent #: 4005951
Issued on: 02/01/1977
Inventor: Swinkels

Engine fuel supply system Patent #: 4151821
Issued on: 05/01/1979
Inventor: Wichman, deceased ,   et al.

Inventor

Application

No. 06/423437 filed on 09/24/1982

US Classes:

123/557, Fuel only418/63With relatively movable partition member

Examiners

Primary: Lazarus, Ronald H.

Attorney, Agent or Firm

International Classes

F02M 31/02 (20060101)
F02M 31/18 (20060101)
F02M 53/00 (20060101)
F02M 53/02 (20060101)

Abstract

A fuel vaporization device is provided wherein atomized liquid fuel is injected in timed sequence directly into the vacuum chambers of a rolling piston vacuum pump. Optionally, minute amounts of air are bled into the vacuum chamber as the liquid fuel droplets are injected resulting in substantially complete and immediate vaporization of the fuel which is fed as gaseous fuel from the vacuum pump to the intake manifold of an internal combustion engine. A water jacket surrounds the pump for circulating heated liquid coolant from the engine in heat exchange relationship with the fuel in the vacuum pump.

Other References

  • Motomu Kawamura & Itsuo Chu, "A New Rolling-Piston Compressor for Automotive Air Conditioners, pp. 11-14, Dec. 1981, Mitsubishi Electric Advance
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