Fluid control valve

Details Fluid control valve Fluid control valve

1988-04-28

1989-04-18

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15321, 251339, 251354, A47L 700

Patent

active

048213640

ABSTRACT:
A fluid control valve includes a deformable conduit for fluid with a valve control port at a point of fluid entry to the conduit. The valve control port includes a spring-biased device for keeping the port closed to fluid in an unactuated valve state. A support element is disposed within the conduit downstream of the valve control port. The support element also permits fluid flow therethrough. A trigger mechanism is disposed within the conduit between the valve control port and the support element; the mechanism includes an elongated bar having a deformable irregularity. The bar extends from the support element to the port closing device, with the end of the bar contacting the port closing device with a low level of force in an unactuated state of the valve. The irregularity is subject to being deformed by external pressure applied through the conduit for actuating the valve by causing the bar to straighten so as to apply sufficient force to the port closing device to overcome the applied bias in order to open the port to fluid.

REFERENCES:
patent: 2842337 (1958-07-01), Pintarelli
patent: 2892574 (1959-06-01), Noe
patent: 3818538 (1974-06-01), Kraft
patent: 4052767 (1977-10-01), Datcher
patent: 4074387 (1978-02-01), Avato et al.

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