Control system having an improved condition responsive valve con

Details Control system having an improved condition responsive valve con Control system having an improved condition responsive valve con

1979-01-10

1981-10-27

Lall, P. S.

Internal-combustion engines

Spark ignition timing control

Electronic control

236 87, 1375992, F02P 504

Patent

active

042967210

ABSTRACT:
The condition responsive valve construction has a valve seat disposed between a pair of ports to interconnect the same together and has a valve member for opening and closing the valve seat in response to a condition sensed thereby, a by-pass passage being provided in the valve member for fluidly interconnecting the ports together even though the valve seat is closed by the valve member. The by-pass passage has a check valve therein to permit fluid flow through the by-pass passage in only one direction. The valve construction has a restrictor unit fluidly interconnecting the ports together even though the valve seat is closed by the valve member and the by-pass passage is closed by the check valve.

REFERENCES:
patent: 3841551 (1974-10-01), Ota
patent: 3960321 (1976-06-01), Steele, Jr.
patent: 4005821 (1977-02-01), Slavin et al.
patent: 4016853 (1977-04-01), Bible
patent: 4181106 (1980-01-01), Brakebill
patent: 4208994 (1980-06-01), Kitamura

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