Measuring and testing – Miscellaneous
Patent
1978-05-18
1979-10-16
Ruehl, Charles A.
Measuring and testing
Miscellaneous
73 405R, F16L 5500
Patent
active
041709020
ABSTRACT:
A pipeline inspection vehicle for inspecting the internal wall of a pipeline wherein the vehicle is provided with a speed control system energized by hydraulic and turbine power obtained from pumps driven by wheels which are in engagement with the pipeline wall.
REFERENCES:
patent: 2975637 (1961-03-01), Burdick
patent: 3000205 (1961-09-01), Suderow
patent: 3196686 (1965-07-01), Cole
patent: 3495546 (1970-02-01), Brown et al.
patent: 3786684 (1974-01-01), Wiers et al.
British Gas Corporation
Roskos Joseph W.
Ruehl Charles A.
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