Valve with actuator whose functional capability can be monitored

Details Valve with actuator whose functional capability can be monitored Valve with actuator whose functional capability can be monitored

1998-02-20

2000-06-13

Rivell, John

Fluid handling

With indicator, register, recorder, alarm or inspection means

Plural

137557, 73168, F16K 3700

Patent

active

06073650&

ABSTRACT:
Valve with an actuator which consumes power from an energy source and which comprises a device capable of detecting that the actuator is operating the valve, a first sensor for measuring a value representative of the power consumption from the energy source and an electronic circuit connected to the first sensor and to the device so as to compare the value representing the power consumption from the energy source with a reference value, during operation of the valve by the actuator, and provide information on the basis of this comparison.

REFERENCES:
patent: 4211263 (1980-07-01), Kennedy et al.
patent: 4542649 (1985-09-01), Charbonneau et al.
patent: 4694390 (1987-09-01), Lee
patent: 4735101 (1988-04-01), Charbonneau et al.
patent: 4759224 (1988-07-01), Charbonneau et al.
patent: 5329956 (1994-07-01), Marriott et al.
patent: 5425270 (1995-06-01), McDonald et al.
patent: 5469737 (1995-11-01), Smith et al.
patent: 5538036 (1996-07-01), Bergamini et al.
patent: 5819783 (1998-10-01), Blatt et al.

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