Single pole make make switch and pressure switch using same

Details Single pole make make switch and pressure switch using same Single pole make make switch and pressure switch using same

1983-03-10

1984-09-11

Salce, Patrick R.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

200 67D, 200 67DA, H01H 3534

Patent

active

044711824

ABSTRACT:
A pressure switch has a solid piston sealed by a Kapseal and O-ring actuating a spring locator to compress a main spring and then a secondary (optional) spring. The locator actuates a slow moving end of a snap switch blade. The slow moving end has a contact which opens a low voltage circuit and then the snap switch end of the blade is actuated to open another circuit. This attains a single pole make make operation with sequencing assured.

REFERENCES:
patent: 3529107 (1970-09-01), Dobrickin
patent: 3578926 (1971-05-01), Obermann

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