Fail safe high limit control

Details Fail safe high limit control Fail safe high limit control

1983-05-23

1985-07-30

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

Expansible or vaporizable fluid actuated

337117, 200 83B, H01H 3738, H01H 3740

Patent

active

045324905

ABSTRACT:
Temperature limit control having a normally closed contact switch secured to a formed cup with vacuum operated formed diaphragm seal to cup bottom, contacts open on reduced vacuum as by boiling thermal fluid in the linear capillary tube welded to the cup below the diaphragm or boiling of fluid in a sensor bulb welded to the capillary tube end for remote temperature control, with vacuum leakage within lower cup, diaphragm, capillary tube and, or, sensor bulb releasing diaphragm from its pulled down position against inward formed dimples between the cup side and central outlet likewise opening contacts providing fail safe operation.

REFERENCES:
patent: 2688064 (1954-08-01), Traver
patent: 3047696 (1962-07-01), Heidorn
patent: 3585328 (1971-06-01), Fiore

Affiliated with

Also associated with

Rating

Fail safe high limit control does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fail safe high limit control, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fail safe high limit control will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2375502