Solenoid-Operated Valve Actuating Controller
First Claim
1. A solenoid-operated valve actuating controller for actuating a solenoid-operated valve by energizing an actuating coil of the solenoid-operated valve in a rated mode, at a rated voltage which is high enough to move a movable member in the actuating coil, during a first period from a time when an actuation command signal is initially applied to the solenoid-operated valve, and energizing the actuating coil in a power saving mode, in repetitive cycles at a smaller duty ratio than in said rated mode, during a second period after said first period, said solenoid-operated valve actuating controller comprising:
- a timer circuit for setting said first period;
an oscillating circuit for energizing the actuating coil in said power saving mode during said second period; and
a control circuit for stopping an oscillating operation of said oscillating circuit during said first period based on an output signal from said timer circuit, and for energizing said actuating coil in said rated mode.
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Accused Products
Abstract
A solenoid-operated valve actuating controller actuates a solenoid-operated valve by energizing an actuating coil of the solenoid-operated valve in a rated mode, enough to move a movable member in the actuating coil, during a first period. Further, the actuating coil is energized in a power saving mode, during a second period after the first period. The solenoid-operated valve actuating controller has a timer circuit for setting the first period, an oscillating circuit for energizing the actuating coil in the power saving mode during the second period, and a control circuit for stopping an oscillating operation of the oscillating circuit during the first period based on an output signal from the timer circuit, and for energizing the actuating coil in the rated mode.
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Citations
6 Claims
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1. A solenoid-operated valve actuating controller for actuating a solenoid-operated valve by energizing an actuating coil of the solenoid-operated valve in a rated mode, at a rated voltage which is high enough to move a movable member in the actuating coil, during a first period from a time when an actuation command signal is initially applied to the solenoid-operated valve, and energizing the actuating coil in a power saving mode, in repetitive cycles at a smaller duty ratio than in said rated mode, during a second period after said first period, said solenoid-operated valve actuating controller comprising:
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a timer circuit for setting said first period;
an oscillating circuit for energizing the actuating coil in said power saving mode during said second period; and
a control circuit for stopping an oscillating operation of said oscillating circuit during said first period based on an output signal from said timer circuit, and for energizing said actuating coil in said rated mode. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification