Temperature limiting control

Details Temperature limiting control Temperature limiting control

1986-11-13

1987-10-06

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

Expansible or vaporizable fluid actuated

337319, 337313, H01H 3738

Patent

active

046986120

ABSTRACT:
A thermostatic switch assembly with a diaphragm responsive to pressure generated in a fluid filled temperature sensing bulb-and-capillary. The diaphragm contacts and moves a pivoted lever having a beam spring cantilevered beam spring adjustably mounted thereon. Movement of the lower about its pivot causes the beam spring to effect actuation of a switch. Upon loss of fluid in the bulb and capillary, the diaphragm recedes and a stop remote from the lower pivot functions as an auxiliary pivot for the beam spring for effecting emergency switch actuations.

REFERENCES:
patent: 3185796 (1965-05-01), Mamiya
patent: 4536736 (1985-08-01), Aschenbach

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