Valves and valve actuation – With correlated flow path – Tank
Patent
1980-06-06
1983-05-24
Chambers, A. Michael
Valves and valve actuation
With correlated flow path
Tank
251267, F16K 5100
Patent
active
043847048
ABSTRACT:
The present invention provides a cargo valve mounted upon a horizontal bulkhead having a discharge opening. A vertically disposed preferably cylindrical valve housing is mounted on the bulkhead above the opening and a plurality of support plates mounted at their respective end portions to the bulkhead and to the valve body. The plates support the body a distance above the opening allowing fluid of slurry flow to enter the discharge opening between the bulkhead and the valve body. A preferably cylindrical valve piston is slidably mounted within the valve body housing between upper open and lower closed positions. The valve piston provides a lower preferably circular valve seat conforming to the circular discharge opening which has a diameter preferably greater than the diameter of the opening which allows for the sealing thereof. A seal is provided at the lower circular edge of the seat and forms a closure of the discharge opening when the valve piston is in its lower closed position. An operator in the form of preferably a hand wheel mounted on deck for example of a barge is provided for moving the piston within the valve body between upper open and the lower closed positions.
REFERENCES:
patent: 1894830 (1933-01-01), Peterson
patent: 2139280 (1938-12-01), McBride
patent: 2190723 (1940-02-01), McBride
patent: 2789579 (1957-04-01), Kowaski
patent: 3828819 (1974-08-01), Brogren
Chambers A. Michael
Garvey Charles C.
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