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Patent
G - Physics
01
F
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G01F 23/14 (2006.01) F17C 13/02 (2006.01) G01F 23/00 (2006.01) G05D 9/02 (2006.01)
Patent
CA 2037725
A high pressure, fluid level sensor and seal includes a body supporting a removable end cap and housing a trunnion bearing comprising a pivot disk that is pivotable about a pivot axis formed by a pair of pivot pins that are secured to the base of the end cap. The pivot disk is connected to a control arm that freely passes through the end cap. The pivot disk is also connected to a displaces arm that engages a float or displaces in communication with fluid in a high pressure tank. A compression spring acting between the control arm and the end cap biases the pivot disk against the pivot pins. The control arm engages an operating mechanism in a controller that includes a relay. The body is secured in the wall of a high pressure tank. A high pressure seal is formed by a spacer that forms a slip fit with an annular recess on the pivot disk and which engages the end cap and O-rings. The O-rings couple the spacer to the pivot disk and couple the spacer to the end cap. Small pivotal movement of the pivot disk about the pivot pins does not disrupt the high pressure seal. The entire assembly is readily removable from the tank for servicing without requiring removal of the body.
Fisher Controls International Inc.
Fisher Controls International Llc
Mcfadden Fincham
LandOfFree
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