Fluid handling – Line condition change responsive valves – Thermal responsive
Patent
1974-08-21
1976-06-15
Myhre, Charles J.
Fluid handling
Line condition change responsive valves
Thermal responsive
123117A, F02P 504
Patent
active
039630420
ABSTRACT:
An internal combustion engine control system having a source of vacuum and a vacuum operated control device. A vacuum operated temperature controlled valve construction is provided for interconnecting the source to the device when the construction senses a certain temperature, the construction having means for only disconnecting the source from the device when the value of the source falls below a certain level thereof regardless of the temperature being sensed. The valve construction has a temperature operated pilot valve arrangement for actuating the valve construction to an open condition thereof when the certain temperature is sensed, the pilot valve arrangement including a snap acting bimetal disc for opening and closing a pilot valve seat thereof.
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patent: 3503377 (1970-03-01), Beatenbough et al.
patent: 3612018 (1971-10-01), Soberski
patent: 3704697 (1972-12-01), Weymann
patent: 3729132 (1973-04-01), Ludwig
patent: 3857373 (1974-12-01), Martin et al.
Lazarus Ira S.
Myhre Charles J.
Robertshaw Controls Company
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