Pipeline inspection vehicles

Details Pipeline inspection vehicles Pipeline inspection vehicles

1984-11-02

1986-03-18

Reese, Randolph A.

Railways

Tubular way

Internal service device

104155, 105365, 406 10, 406190, B61B 1310, B65G 5100

Patent

active

045760977

ABSTRACT:
A pipeline inspection vehicle has at least one resilient driving cup mounted around the body of the vehicle so as to contact the interior wall of the vehicle and thus provide a pressure differential across the driving cup which will propel the vehicle along the pipeline. An annular array of ducts extends through the body of the vehicle to by-pass fluid through the driving cup, each duct being provided with a control valve for regulating the flow of fluid through the duct. A control arrangement is provided for opening and closing the control valves in dependence on the speed of the vehicle, thereby to adjust the speed of the vehicle in accordance with a desired speed.

REFERENCES:
patent: 3036530 (1962-05-01), Mius et al.
patent: 3087439 (1963-04-01), Petrocokino
patent: 3147773 (1964-09-01), Matthews et al.
patent: 3495546 (1970-02-01), Brown et al.
patent: 3758050 (1973-09-01), Watts et al.
patent: 4105972 (1978-08-01), Smith
patent: 4114835 (1978-09-01), Alexandrov et al.
patent: 4295632 (1981-10-01), Engelke
patent: 4388871 (1983-06-01), Braithwaite et al.

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