Hydraulic circuit and method for operating a sealing device

Details Hydraulic circuit and method for operating a sealing device Hydraulic circuit and method for operating a sealing device

2006-04-25

2006-04-25

Lazo, Thomas E. (Department: 3745)

Motors: expansible chamber type

With motive fluid valve

To provide unequal inlet and exhaust flow rates to single...

C166S077300

Reexamination Certificate

active

07032499

ABSTRACT:
A hydraulic circuit and method for operating a hydraulic device according to which fluid is passed from a source to the device while some of the fluid is passed to a valve that is adjustable to control the amount of fluid passed to it and therefore the amount of fluid passed to the device.

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Patent Application entitled “Apparatus and Method For Injecting Tubing In A Well Bore” by Robert E. Domann et al., filed on May 6, 2004, U.S. Appl. No. 10/840,786.
Patent Application entitled “Hydraulic Circuit and Method for Operating A Gripping Device” by Robert E. Domann, filed on May 6, 2004, U.S. Appl. No. 10/840,787.

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