Apparatus and methods for servicing a hydraulic choke

Details Apparatus and methods for servicing a hydraulic choke Apparatus and methods for servicing a hydraulic choke

2007-06-19

2007-06-19

Lee, Kevin (Department: 3753)

Fluid handling

Processes

Cleaning, repairing, or assembling

C137S315270, C251S293000, C251S318000

Reexamination Certificate

active

11595608

ABSTRACT:
An embodiment of the invention involves a method for servicing a choke valve that includes disconnecting a choke actuator and at least one internal valve component engaged therewith from the choke valve body of the choke valve and moving the same in a generally linear path away from the choke valve body along the axis of the choke valve body.

REFERENCES:
patent: 3930457 (1976-01-01), Dedman et al.
patent: 4161185 (1979-07-01), McConnell
patent: 4460154 (1984-07-01), Kunkle
patent: 4611617 (1986-09-01), Hewitt
patent: 4961538 (1990-10-01), Hewitt
patent: 4971099 (1990-11-01), Cyvas
patent: 5485869 (1996-01-01), Haynes
patent: D398101 (1998-09-01), Passien
patent: 6135417 (2000-10-01), Wadsworth et al.

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