Leak detection apparatus

Details Leak detection apparatus Leak detection apparatus

1980-02-22

1981-10-27

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

116 70, 200 83A, 200 83L, 340605, 340614, G08B 2100

Patent

active

042976871

ABSTRACT:
A leak detection apparatus (18) is provided in a pressurized assembly (10) to signal a loss of pressure or vacuum downstream from a source of pressure or vacuum. A rod (60,160,260) is carried on a valve (62,162) and a diaphragm (38,138) which seals the source of pressure or vacuum from the system. A loss of pressure or vacuum downstream of the valve (62,162) and diaphragm (38,138) moves the rod (60,160,260) to a signalling position to alert an interested party that the system is lacking pressure or vacuum.

REFERENCES:
patent: 2430122 (1947-11-01), Grace, Jr.
patent: 2895504 (1959-07-01), Lederer
patent: 3517693 (1970-06-01), Dietz
patent: 3800736 (1974-04-01), Krohn
patent: 3946175 (1976-03-01), Sitabkhan
patent: 3997887 (1976-12-01), Poynter
patent: 4055844 (1977-10-01), Hornbostel, Jr.
patent: 4131876 (1978-12-01), Dees, Sr. et al.

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