Metal working – Method of mechanical manufacture – Electrical device making
Patent
1994-09-01
1995-11-21
Vo, Peter
Metal working
Method of mechanical manufacture
Electrical device making
29593, 200 83P, 200 83S, 337321, 337323, H01H 1100, H01H 6500, H01H 3530
Patent
active
054675235
ABSTRACT:
A method for assembling a condition-responsive electric switch mechanism having a snap-acting bistable spring switch element. The switch mechanism is assembled substantially in its entirety except for the capillary tube. The switch mechanism is then calibrated without the capillary tube using air pressure. Following calibration, the capillary tube is sealingly connected to the bellows, the capillary tube and bellows are filled with the operating fluid, typically a refrigerant, and the capillary tube is sealed to capture the operating fluid within the bellows and capillary tube.
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General Electric Company
Krisher, Jr. Ralph E.
Vo Peter
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