Method and apparatus for controlling a surging flow in a closed

Details Method and apparatus for controlling a surging flow in a closed Method and apparatus for controlling a surging flow in a closed

1976-07-21

1978-07-11

Cohan, Alan

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

137487, 137499, G05D 700, G05D 1600

Patent

active

040995364

ABSTRACT:
An apparatus and method for controlling a surging flow in a closed conduit is characterized by a moveable flow restrictor element disposed within the closed conduit and responsive to a control signal to restrict the fluid flow therewithin to a damped flow rate. The control signal is generated by a controller element which responds to first and second signals input thereto. The first signal is representative of the instantaneous fluid flow rate within the closed conduit. The second signal is functionally related to the first signal and representative of the damped flow rate within the conduit.

REFERENCES:
patent: 2633858 (1953-04-01), Eckman
patent: 2834363 (1958-05-01), Pessen
patent: 2851049 (1958-09-01), DuBois
patent: 2923307 (1960-02-01), Grogan

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