The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 23, 2001
Filed:
Sep. 11, 2000
Don C. McCall, Cedar Park, TX (US);
Ken W. Taylor, Oak Ridge, NC (US);
Dresser, Inc., Addison, TX (US);
Abstract
A dispensing system (,) that utilizes radio frequencies identification capabilities in a service station environment to reliably and accurately detect an on-board vapor recovery (ORVR) system in a vehicle (,). The dispensing system (,) includes a vapor recovery system (,) for recovering fuel vapors responsive to a fuel being dispensed. The vapor recovery system (,) has a disabling mechanism (,) for selectively preventing its operation. The dispensing system (,) also includes an antenna (,A,,B,,A,,B) for detecting a radio frequency signal from a transmitter (,or,) in a vehicle (,). The radio frequency signal may be a single bit indicating that the vehicle (,) has the ORVR system, or may include additional bits indicating a type of fuel to be dispensed. When the transmitter (,or,) is within a predetermined distance from the antenna (,A,,B,,A,,B), a controller (,) receives the radio frequency signal from the antenna (,A,,B,,A,,B) and asserts a disable signal (,). The disabling mechanism, responsive to the asserted disable signal (,), prevents the vapor recovery system (,) from operating and thereby eliminates any unwanted accumulation of air.