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:
Nov. 18, 1997
Filed:
Nov. 08, 1995
Larry VanNatta, Mt. Morris, IL (US);
Manuel D Rosas, Coleta, IL (US);
Terry L Miller, Sterling, IL (US);
Borg-Warner Automotive, Inc., Sterling Heights, MI (US);
Abstract
A refueling valve for a motor vehicle includes a body connected to the upper wall of a fuel tank in vertical depending relationship thereon and the body has a body top or cover with a vapor exit passage adapted to be connected to a fuel vapor storage canister, the body includes a portion depending from the cover that has a vapor exit port formed therein communicating with the fuel tank interior adjacent the upper wall of the fuel tank and a vent tube has one end connected to the vapor exit passage and an opposite end communicating with the vent exit port and defining a valve seat closed by a float valve during vehicle fill and wherein the vapor exit port remains open until the float valve is completely closed and wherein the vapor exit port is spaced higher than the valve seat to separate liquid fuel particles from vapor flow. In one embodiment a baffle is located on the body between the valve seat and the vapor exit port to form a liquid trap. In another embodiment a secondary vent valve on the cover is connected to the vapor exit passage. In still another embodiment a pressure transducer port is formed in the cover.