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:
Dec. 12, 2006
Filed:
Jun. 28, 2004
Ralf Leonhardt, Mauldin, SC (US);
Ralf Leonhardt, Mauldin, SC (US);
Alfmeier Corporation, Greenville, SC (US);
Abstract
A fill limit vent valve assembly includes a cover assembly, a valve assembly and a fill control system. The fill control system has a primary fuel control window, a secondary fuel control window, a first conduit and a second conduit, the primary and secondary fuel control windows in respective communication with the first and second conduits, the first conduit extending a first distance along the housing and terminating in a first vent aperture, the second conduit extending a second distance along the housing and terminating in a second vent aperture spaced apart from the first vent aperture, the primary fuel control window and the first vent aperture configured to facilitate fuel filling shut-off in a first fuel condition, the secondary fuel control window configured to shut-off fuel filling in a second fuel condition, the second vent aperture configured to provide a fixed amount of fuel vapor venting from the float chamber between the first and second fuel conditions to control entry of a set quantity of a liquid fuel into the fuel tank after the first fuel condition and before the second fuel condition.