Gas detector for measuring coacting surfaces

Details Gas detector for measuring coacting surfaces Gas detector for measuring coacting surfaces

1988-05-05

1989-02-21

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

73 46, 340687, 340626, G08B 2100

Patent

active

048069132

ABSTRACT:
An apparatus for detecting when bolts, holding coacting surfaces of two objects together become loose. A gas supply is connected to a gas passageway in one of the bodies which extends to the coacting surfaces. A gas reservoir is positioned downstream of the gas supply and a flow orifice is connected to downstream of the reservoir. A pressure measuring switch is connected to the gas passageway and is actuated upon a drop of gas pressure to a predetermined value. An alarm is connected to the switch and when actuated provides an indication of the separation of the coacting surfaces.

REFERENCES:
patent: 1219723 (1917-03-01), Gracey
patent: 4513605 (1985-04-01), Hawerkamp
patent: 4593277 (1986-06-01), Langan

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