Fluid flow sensing and switching device

Details Fluid flow sensing and switching device Fluid flow sensing and switching device

1991-06-07

1992-06-30

Tolin, Gerald P.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

7386147, 7386174, 200 819M, 200 82E, 340611, H01H 3518

Patent

active

051260972

ABSTRACT:
The present invention is related to the fluid flow sensing and switching device installed in an air-conditioning system, particularly in a heat exchanger, which has a hollow body or housing to accommodate a metallic sensing member with a pair of conductive terminals extending out thereof, while it is further sealed by resin. A ring member is slidably mounted with a pair of legs extending downwardly from the hollow body, which is positioned facing the fluid flow, so as to activate the metallic sensing means and further to control a compressor connected with the system.

REFERENCES:
patent: 3569648 (1971-03-01), De Meyer
patent: 3997744 (1976-12-01), Higo
patent: 4377090 (1983-03-01), Seulen
patent: 4645887 (1987-02-01), Whiting
patent: 4827092 (1989-05-01), Kobold
patent: 4841107 (1989-06-01), Tandler
patent: 4843193 (1989-06-01), Budecker

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