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:
Jul. 18, 2006
Filed:
Jun. 16, 2004
William R. Robertson, Irondequoit, NY (US);
Charles H. Covert, Manchester, NY (US);
Gordon R. Paddock, Rochester, NY (US);
William R. Robertson, Irondequoit, NY (US);
Charles H. Covert, Manchester, NY (US);
Gordon R. Paddock, Rochester, NY (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
A variable purge orifice assembly for an evaporative emission system of a vehicle includes a housing for fluid connection to a vapor canister and a purge solenoid of the evaporative emission system. The housing has a purge orifice therein. The variable purge orifice assembly also includes a regulating device connected to the housing and for connection to an engine of the vehicle. The regulating device is actuated by manifold vacuum from the engine to vary flow of fuel vapor through the purge orifice from the vapor canister to the purge solenoid.