Opening and closing valve

Details Opening and closing valve Opening and closing valve

1998-06-22

2000-07-25

Shaver, Kevin

Valves and valve actuation

Electrically actuated valve

Remote or follow-up control system for electrical actuator

222571, 239119, F16K 3102, B65D 2540, B05B 1502, F23D 1134, F23D 1138, F23D 1450

Patent

active

060927828

ABSTRACT:
A opening and closing valve comprises ROM in which a plurality of valve-closing program control patterns are stored in order to avoid liquid drip when the valve is closed. The valve further comprises a control unit for controlling a valve plug lift position in a direction to close the valve by controlling an amount of electric power application to a linear voice coil type driving unit in accordance with the valve-closing program control pattern.

REFERENCES:
patent: 2735047 (1956-02-01), Garner et al.
patent: 4666125 (1987-05-01), Marts et al.

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