Magnetic activation system for switch

Details Magnetic activation system for switch Magnetic activation system for switch

1997-12-17

2000-05-09

Chambers, A. Michael

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

137553, 25112915, F16K 3700

Patent

active

060589671

ABSTRACT:
An indicating or activating system has a follower arranged to follow the movement of a valve body. The follower swings about a pivot and moves between two positions. In one of the positions, the follower activates a switch. The switch can be connected to an indicator to indicate a state of the valve body or can be connected to another component whose state is dependent on the valve state. In essence, the device itself is an indicator of the valve state.

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patent: 4499347 (1985-02-01), Richards
patent: 4674338 (1987-06-01), Carpenter
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patent: 5144977 (1992-09-01), Eggerton et al.
patent: 5183983 (1993-02-01), Knop
patent: 5450049 (1995-09-01), Bachmann

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