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:
Jun. 16, 2009
Filed:
Jan. 16, 2007
Kenichi Tomomatsu, Kariya, JP;
Tadashi Hazama, Chita-gun, JP;
Eiji Iwanari, Chiryu, JP;
Ryuji Igarashi, Nagoya, JP;
Katsuhisa Yamada, Okazaki, JP;
Kenichi Tomomatsu, Kariya, JP;
Tadashi Hazama, Chita-gun, JP;
Eiji Iwanari, Chiryu, JP;
Ryuji Igarashi, Nagoya, JP;
Katsuhisa Yamada, Okazaki, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A fuel feed apparatus is accommodated in a fuel tank. The fuel feed apparatus includes a sub-tank that is provided in a bottom of the fuel tank. The fuel feed apparatus further includes a fuel pump that is accommodated in the sub-tank. The fuel pump includes an impeller that defines a plurality of pump chambers. The fuel pump has a first suction passage through which fuel flows from outside the sub-tank into at least one of the plurality of pump chambers. The fuel feed apparatus further includes an elastic member that seals between the first suction passage and the sub-tank.