Valve system for mobile tank cars

Details Valve system for mobile tank cars Valve system for mobile tank cars

1992-04-27

1992-12-15

Chambers, A. Michael

Fluid handling

Systems

Tank with internally extending flow guide, pipe or conduit

137347, 137613, 251144, 105358, E03B 1100

Patent

active

051708191

ABSTRACT:
A protective valve system including a pipe extending into the tank through a wall with a seat positioned in the pipe inside of the tank and a safety plug movable for releasable and sealingly seating on the seat. A first valve is positioned outside the tank and connected to the pipe and a second valve is positioned in the pipe inside of the tank. A valve operator positioned inside of the tank is connected to the second valve but is exposed to the exterior of the tank for actuation.

REFERENCES:
patent: 1443231 (1923-01-01), McCauley
patent: 1683021 (1928-09-01), Brown
patent: 1894655 (1933-01-01), Auchincloss
patent: 2102124 (1937-12-01), Lithgow
patent: 2917068 (1959-12-01), Davis
patent: 4114783 (1978-09-01), Wempe et al.
patent: 4248261 (1981-02-01), Carlson
patent: 4347863 (1982-09-01), Keyes
patent: 4512360 (1985-04-01), Chronister
patent: 4542764 (1985-09-01), Brittingham et al.
patent: 5042776 (1991-08-01), Chronister

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