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:
Jan. 26, 2016
Filed:
Jun. 18, 2012
Bjorn Criel, Sint-Martens-Lennik, BE;
Vincent Cuvelier, Wuhan, CN;
David Hill, Commerce Township, MI (US);
Jules-joseph Van Schaftingen, Wavre, BE;
Bjorn Criel, Sint-Martens-Lennik, BE;
Vincent Cuvelier, Wuhan, CN;
David Hill, Commerce Township, MI (US);
Jules-Joseph Van Schaftingen, Wavre, BE;
Inergy Automotive Systems Research, Bruxelles, BE;
Abstract
A ventilation device including: a first enclosure including a first passage configured to be connected to a canister outlet and the atmosphere, and a normally closed shutter device configured to open to release the first passage; a second enclosure including a second passage configured to be connected to the canister inlet and a fuel tank, and a normally open shutter device configured to close to shut the second passage, the second passage being separate from and not in communication with the first passage; and a combined pressure/vacuum relief valve or OPR and UPR valve pair situated in or fastened to a bypass of the first passage configured to establish a connection between ends of the first passage when the shutter device is closed and when there is over- or under-pressure in the ends. A fuel system can include the device and a hybrid vehicle can include the fuel system.