Method and apparatus for reducing the response time of remotely

Details Method and apparatus for reducing the response time of remotely Method and apparatus for reducing the response time of remotely

1985-02-19

1987-08-18

Cohan, Alan

Fluid handling

Processes

Involving pressure control

1374875, 13762414, G05D 1600

Patent

active

046870148

ABSTRACT:
A method and an apparatus for reducing the pressure response time of a hydraulic line (4) in a remotely controlled, hydraulic control system, wherein the hydraulic fluid supplied to the line (4) at the near end (5) thereof is subjected to a pressure admission for achieving a desired pressure level at the far end (6) of the line (4). By means of a pulsator means (3) the hydraulic fluid is subjected to a pulsed admission, so that the fluid flow is pulsed into or out of the line (4), dependent on whether the line is to be charged or discharged.

REFERENCES:
patent: 3329153 (1967-07-01), Henry-Biabaud
patent: 3464438 (1969-09-01), Maurer
patent: 3726307 (1973-04-01), Carman et al.
patent: 4006624 (1977-02-01), Annino et al.
patent: 4086804 (1978-05-01), Ruby
patent: 4261509 (1981-04-01), Anders et al.
patent: 4394871 (1983-07-01), Czajka et al.
patent: 4456038 (1984-06-01), Gwaltney et al.
"The Transient Response of Fluid Lines," by F. T. Brown, Journal of Basic Engineering, Dec. 1962, pp. 547-553.

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