Purge valve for on board fuel vapor recovery systems

Details Purge valve for on board fuel vapor recovery systems Purge valve for on board fuel vapor recovery systems

1988-06-22

1990-07-31

Chambers, A. Michael

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123525, 13761421, F02M 3302

Patent

active

049442767

ABSTRACT:
A purge valve for a vehicle mounted fuel vapor recovery system is made up of a main housing and two end caps which snap fit together to seal and mount a computer controlled solenoid valve and a diaphragm controlled regulating valve. The housing is designed so that the required valve seats are integrally molded in the housing as are the various internal passages and chambers. A compression post formed on one end cap seats the solenoid assembly firmly against an abutment surface on the housing.

REFERENCES:
patent: 3538951 (1970-11-01), Brownass
patent: 4399780 (1983-08-01), Lassanke et al.
patent: 4489699 (1984-12-01), Poehlman
patent: 4512323 (1985-04-01), Ruth et al.
patent: 4700683 (1987-10-01), Uranishi et al.
patent: 4703737 (1987-11-01), Cook et al.
Research Disclosure "Vapor Purge Control", Oct. 1978.

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