Overrun valve for air pumps

Details Overrun valve for air pumps Overrun valve for air pumps

1974-12-02

1976-06-29

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

Safety cut-off requiring reset

137463, F16K 1700

Patent

active

039659275

ABSTRACT:
Apparatus is disclosed for controlling the rate of air flow in a pressurized air line, and for closing a valve when the air flow exceeds a predetermined maximum flow rate. The apparatus comprises a double air chamber with intermediate diaphragm for sensing air flow rate and actuating a latch mechanism, and includes a pressure-dependent latch control mechanism.

REFERENCES:
patent: 2694408 (1954-11-01), McRae
patent: 3146789 (1964-09-01), Curth

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