Pressure generator with check valve

Details Pressure generator with check valve Pressure generator with check valve

1986-05-19

1988-02-23

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Pulsator

60581, 60591, 91 6, 2513352, 4407, B60T 700

Patent

active

047261900

ABSTRACT:
On actuation, each pressure generator at each of a plurality of locations along a conduit develops a pressure rise in the conduit to energize a pressure sensitive device in fluid communication with the conduit. Each pressure generator includes a bulbous member which expels a quantity of fluid (air) into the conduit when depressed and a valve for segregating the volume defined by the bulbous member from the conduit except when the bulbous member is depressed to minimize dissipation by a nonactuated pressure generator of the pressure rise within the conduit and generated by another actuated pressure generator.

REFERENCES:
patent: 1374980 (1921-04-01), Bossert
patent: 2267218 (1941-12-01), Reinecke
patent: 2483656 (1949-10-01), Marschalk
patent: 2634743 (1953-04-01), Audemar
patent: 2857981 (1958-10-01), Koike
patent: 3811284 (1974-05-01), Trussell et al.
patent: 4304015 (1981-12-01), Hubatka

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