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Fill controller for liquified gas container and apparatus for filling tank using same

  • US 5,544,685 A
  • Filed: 09/02/1994
  • Issued: 08/13/1996
  • Est. Priority Date: 09/02/1994
  • Status: Expired due to Fees
First Claim
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1. An electronic sensor and fill controller for use with a refillable liquified gas container, said controller comprising:

  • a. a valve body adapted to be sealingly attached to said container so as to close said container, said valve body having a liquified gas passage therethrough and a valve adapted to control the flow of a liquified gas through said liquified gas passage;

    b. a shaft attached to and extending coaxially from said valve body so as to extend into said container;

    c. a float actuated electronic sensor disposed on said shaft, said electronic sensor adapted to sense the presence of said liquified gas; and

    d. a controller adapted to perform, upon said electronic sensor sensing contact with said liquified gas, at least one function selected from the group consisting of;

    i. initiating an electrical signal;

    ii. terminating an electrical signal; and

    iii. altering an electrical signal.

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