Fiber optic linked fluid block system

Details Fiber optic linked fluid block system Fiber optic linked fluid block system

1995-10-30

1997-11-18

Lee, Kevin

Valves and valve actuation

Electrically actuated valve

Including solenoid

25112911, 25112904, 251230, 251288, F16K 3104, F16K 3153

Patent

active

056879504

ABSTRACT:
A fiber-optic linked anti-tamper fluid block system is disclosed. The device comprises a fluid blocking means, disposable within the fluid flow path of a fluid line, and a control means for control of the fluid blocking means. The control means electronically communicates with the fluid blocking means via a fiber optic link. The control means has an input means, such as a magnetic strip card reader, computer chip key, electronic key switch, electronic alpha-numeric keypad, voice recognition module, or other similar appliance, for receiving an authorized signal from the user to permit device operation. The control means prevents the fluid line bearing apparatus from operating when the device is activated and also prevents device activation when the apparatus is operational.

REFERENCES:
patent: 4306314 (1981-12-01), Griffiths
patent: 4772257 (1988-09-01), Hakim et al.
patent: 4838310 (1989-06-01), Scott et al.
patent: 4949937 (1990-08-01), Waldrum
patent: 5134386 (1992-07-01), Swanic
patent: 5194847 (1993-03-01), Taylor et al.
patent: 5351781 (1994-10-01), Pritchard et al.
patent: 5381996 (1995-01-01), Arnemann et al.
patent: 5420568 (1995-05-01), Iida et al.

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