Vacuum valve/switch assembly

Details Vacuum valve/switch assembly Vacuum valve/switch assembly

1989-06-12

1991-02-12

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

H01H 906

Patent

active

049926322

ABSTRACT:
A vacuum valve/switch assembly is presented. The switch is a combination of an electrical switch assembly and a vacuum dump valve, which operates in a predetermined sequence. The switch consists of a brass ferrule and two cantilever spring contact legs, identical to the existing cruise control brake switches. The vacuum valve consists of an "O" ring in a groove on a floating valve stem. The floating action of the stem permits the "O" ring to center itself in the valve seat. The "O" ring seals by virtue of a compressing spring and the pressure gradient created by the vacuum.

REFERENCES:
patent: 3856045 (1974-12-01), Kenny et al.
patent: 4192399 (1980-03-01), Otteson et al.

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