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Simplified battery operated automatic and manually operable valve

  • US 4,811,221 A
  • Filed: 10/28/1986
  • Issued: 03/07/1989
  • Est. Priority Date: 10/28/1986
  • Status: Expired due to Term
First Claim
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1. For use as part of an automatic valve, the improvement comprising:

  • a pilot operated valve assembly operatively between on and off positions for coupling to a valve body to provide a pilot operated valve operative between said on and off positions, said pilot operated valve assembly being responsive to a pilot valve therein;

    a latching actuator coupled to said pilot operated valve assembly for controlling said pilot valve therein for turning said pilot operated valve assembly on and off responsive to the state of said actuator; and

    a battery operated controller coupled to said latching actuator, said controller having a first manually operative switch means for turning said pilot operated valve assembly on and for subsequently turning said pilot operated valve assembly off, said controller also having automatic control measn responsive to the time of day said first manually operated switch means was used to turn said pilot operated valve assembly on and off for turning said pilot operated valve assembly on and off, respective at the same times of day on subsequent days.

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