H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/206
H01H 35/24 (2006.01) G01L 13/02 (2006.01) H01H 35/34 (2006.01) H01H 35/38 (2006.01)
Patent
CA 1039780
DIFFERENTIAL PRESSURE SWITCH Abstract of the Disclosure A differential pressure module is secured in switching relation to the actuating plunger of an electrical switching mechanism. Comprising the differential pressure module are two piston/cylinder assemblies connected together in back-to- back configuration by secured cross members forming a floating yoke. Each of the assemblies includes a diaphragm in communica- tion with a separate oppositely directed fluid inlet and through which a force differential effective from the separate forces acting in opposition to each other is applied via the yoke against the switch actuator. A cast body intervening between the assemblies defines the fluid inlets while maintaining the pressure of each isolated from the other.
236405
Delvecchio Leonard P.
Goff Randall
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