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Unattended automated system for selling and dispensing fluids, with change-dispensing capability

  • US 6,055,521 A
  • Filed: 11/13/1998
  • Issued: 04/25/2000
  • Est. Priority Date: 03/13/1995
  • Status: Expired due to Term
First Claim
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1. A system for dispensing preselected quantities of motor fuel in return for a cash payment from a purchaser, comprising;

  • a motor fuel pump;

    a cash acceptor for accepting and identifying values of cash deposited with the cash acceptor in the form of currency or coins by the purchaser;

    a change dispenser for dispensing change to said purchaser when said purchaser pumps a quantity of motor fuel from said fuel pump of a value less than the value of said cash inserted by said purchaser with said cash acceptor, the change dispenser including at least two supplies of different denominations of cash, and at least two different change payout mechanisms operable to payout cash as change to said customer in currency or coin, or a combination of currency and coin and,control means operatively linking said motor fuel pump, cash acceptor and change dispenser together and for generating enabling signals to said motor fuel pump upon deposit of cash with said cash acceptor by said purchaser and identification of said value of said deposited cash by said acceptor.

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