G - Physics – 01 – L
Patent
G - Physics
01
L
340/145, 306/196
G01L 7/08 (2006.01) B60Q 1/44 (2006.01) H01H 35/24 (2006.01) H01H 35/34 (2006.01)
Patent
CA 1089053
ABSTRACT OF THE DISCLOSURE A pressure change responsive sensor and related vacuum operable switch assembly capable of operation from the manifold of an internal combustion engine to activate a signal in antici- pation of the application of the brakes of an automobile. The vacuum operable switch assembly is an improvement on the applicant's Patent No. 3,639,898 for Differential Pressure Control System And Switch Means Therefor, and is capable of adjustment to function with internal combustion engines having different manifold vacuum characteristics.
219612
George H. Riches And Associates
Stop Alert Corporation
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