Vacuum control device

Details Vacuum control device Vacuum control device

1983-04-08

1985-03-19

Cuchlinski, Jr., William A.

Internal-combustion engines

Starting device

For airplane

F02M 114

Patent

active

045052379

ABSTRACT:
A control device for use in an air induction system of an internal combustion engine having a spark ignition system for maintaining a vacuum operated device actuated once the engine has started independently of fluctuations in vacuum pressure in which the device has a housing with chambers communicating with a source of vacuum and with the device to be operated and in which fluid communication between the chambers is regulated by a first valve operated in response to energization and de-energization of the ignition system and a second valve which permits fluid flow from the device to be actuated through the source of vacuum pressure but prevents fluid flow in the opposite direction.

REFERENCES:
patent: 4060063 (1977-11-01), Hirasawa
patent: 4168680 (1979-09-01), Kawai et al.
patent: 4186697 (1980-02-01), Yasuda et al.

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