Filter vessel safety apparatus

Details Filter vessel safety apparatus Filter vessel safety apparatus

1997-12-29

1999-04-13

Woo, Jay H.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Transparent

210143, 210238, 210341, 210418, B01D 3514

Patent

active

058939695

ABSTRACT:
A safety apparatus for pressurized filter vessels includes a protective shroud, a mechanical and electrical interlock device that prevents the opening of the filter vessel cover unless the input and output port valves are closed and electrical power to the pressurizing pump is disconnected.

REFERENCES:
patent: 3092576 (1963-06-01), Daubman
patent: 3116755 (1964-01-01), McNeal
patent: 3618781 (1971-11-01), Brown
patent: 4021345 (1977-05-01), Oida
patent: 4179907 (1979-12-01), Schantz
patent: 4658605 (1987-04-01), Yanagihara
patent: 4786409 (1988-11-01), Miller
patent: 4919801 (1990-04-01), Hobson, Jr.
patent: 5101850 (1992-04-01), Todd

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