×

Fuel dispenser

  • US 5,655,577 A
  • Filed: 06/05/1995
  • Issued: 08/12/1997
  • Est. Priority Date: 06/05/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. A fuel dispensing nozzle comprising:

  • a) a vapor recovery conduit effective to provide communication between a vapor space of a fuel tank to be refuelled and a system to remove vapors displaced by fuel added to the tank;

    b) a fuel supply conduit;

    c) a sealing means effective to mate in a sealing relationship with a fuel tank inlet and separate the vapor space and surrounding atmosphere other than through the system to remove vapors;

    d) an optical liquid sensor within the vapor recovery conduit that is effective to generate a control signal when liquid is detected within the vapor recovery conduit; and

    e) a means to disenable fuel flow when a control signal is generated by the optical liquid sensor.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×