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:
Oct. 05, 2010
Filed:
May. 06, 2008
Mamoru Tateishi, Kariya, JP;
Yasuo Hosokawa, Obu, JP;
Tetsuji Inoue, Nagoya, JP;
Lei Zhang, Obu, JP;
Hiroya Abe, Nagoya, JP;
Mamoru Tateishi, Kariya, JP;
Yasuo Hosokawa, Obu, JP;
Tetsuji Inoue, Nagoya, JP;
Lei Zhang, Obu, JP;
Hiroya Abe, Nagoya, JP;
Aisan Kogyo Kabushiki Kaisha, Obu-shi, JP;
Abstract
A fuel pump unit includes a fuel pump which is driven by a motor, a secondary filter case placed to surround the fuel pump and contains a filter, a reserve cup which houses the fuel pump and the secondary filter case, and a pump controller which drivingly controls the fuel pump. A shielding material is provided in the reserve cup to shield electrical noise generated by the fuel pump. The shielding material is grounded. The pump controller includes a pump drive circuit which is provided with an electric filter.