Probe insertion and retraction assembly

Details Probe insertion and retraction assembly Probe insertion and retraction assembly

1998-07-16

1999-12-07

Patel, Harshad

Measuring and testing

Probe or probe mounting

7386386, 73756, G01D 2100, G01N 100, G01L 700

Patent

active

059964308

ABSTRACT:
A test probe insertion-retrieval tool for pressure vessels and flowlines which includes a generally elongated body, a fixture at one end of the body to secure the body to a pressure vessel or a flowline fitting, including an insulated test probe socket mounted on a rod which passes through the end of the elongated body and guidingly and sealingly through a chamber above the end. There is further provided a piston mounted on the rod in the chamber, allowing a flow of pressurized fluid tapped from the lower chamber through connected tubing to force the piston rod and connected insulated test probe socket into the pressure vessel or flowline. Further, there is provided a system of flow ports for allowing fluid under pressure to flow in relation to the piston so as to allow the piston to return to the up position so that the probe may be removed from the rod for evaluation.

REFERENCES:
patent: 4120313 (1978-10-01), Lewis
patent: 4179920 (1979-12-01), Schuller et al.
patent: 4346611 (1982-08-01), Welker
patent: 4603113 (1986-07-01), Bauer
patent: 4697465 (1987-10-01), Evans et al.
patent: 4928536 (1990-05-01), Welker
patent: 5106580 (1992-04-01), Mundiam
patent: 5639975 (1997-06-01), Waterman

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