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:
Nov. 01, 2005
Filed:
Feb. 21, 2003
Yojiro Koga, Kariya, JP;
Itsuro Hashiguchi, Chiryu, JP;
Masaki Chujo, Chiryu, JP;
Akihiro Katsumata, Handa, JP;
Takumi Hattori, Chiryu, JP;
Yojiro Koga, Kariya, JP;
Itsuro Hashiguchi, Chiryu, JP;
Masaki Chujo, Chiryu, JP;
Akihiro Katsumata, Handa, JP;
Takumi Hattori, Chiryu, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Abstract
A water pump includes a rotation member, a hollow shaft portion having an opening on one end and connected to the rotation member for unitary rotating with the rotation member, an impeller connected to the shaft portion for unitary rotating with the shaft portion, a body defining a fluid chamber in which the impeller is rotated, a bearing for rotatably supporting the shaft portion on the body, a sealing member provided between the shaft portion and the body for sealing the fluid chamber and a cover portion for substantively closing the opening of the shaft portion.