Measuring and testing – Inspecting
Patent
1986-01-17
1990-09-04
Noland, Tom
Measuring and testing
Inspecting
738665, 33544, 33777, G01B 500
Patent
active
049534122
ABSTRACT:
An improved pipeline caliper pig for providing a record of the deviations of the interior wall of a pipeline including a pig body assembly having a longitudinal axis and support members so that the pig body assembly is supported within a pipeline, the support members impeding the flow of fluid therepast so that the pig body is propelled by fluid flow along the pipeline interior, an integrator plate carried by the pig body assembly, arms extending from the pig body assembly for responding to deviations in the interior wall of the pipeline and coupling members to transfer the deviations to the integrator plate, a plurality of axially positionable shafts affixed at one end to the integrator plate, and electrical transducers at the other end of each shaft so that movement of the integrator plate relative to the pig body is transmitted into electrical signals, an orientation detection member and a signal receiver and recorder to record the electrical signals of the transducers and the orientation detection member so that deviations in the interior wall of the pipeline and the orientations of such deviations relative to the vertical are recorded as electrical signals, the recorded signals being recoverable whereby the pipeline operator can be advised of the conditions of the inside wall of a pipeline through which the caliper pig has passed. An alternate embodiment includes the use of three odometer wheels producing electrical signals responsive to the rotation thereof providing indications of curves, bends, dips and rises in the pipeline.
REFERENCES:
patent: 2619728 (1952-12-01), Ely
patent: 2834113 (1958-05-01), en Dean et al.
patent: 3718978 (1973-03-01), Van Koevering et al.
patent: 3755908 (1973-09-01), VerNooy
patent: 3789511 (1974-02-01), Groom et al.
patent: 3857182 (1974-12-01), Van Riemsdijk et al.
patent: 3882606 (1975-05-01), Kaenel et al.
patent: 3940855 (1976-03-01), Ver Nooy et al.
patent: 3968568 (1976-07-01), Jackson
patent: 4342225 (1982-08-01), Jandera et al.
patent: 4457073 (1984-07-01), Payne
patent: 4459759 (1984-07-01), Hulsing, II
patent: 4524526 (1985-06-01), Levine
Lockyear Kevin W.
Rosenberg Jeffrey S.
Noland Tom
T. D. Williamson Inc.
LandOfFree
Pipeline caliper pig does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pipeline caliper pig, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pipeline caliper pig will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-432690