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:
Aug. 26, 2008
Filed:
Jul. 21, 2004
Yasuharu Yamamoto, Takasago, JP;
Toshiyuki Osada, Takasago, JP;
Takafumi Yoshida, Nagasaki, JP;
Takaaki Kaikogi, Takasago, JP;
Masaharu Minami, Takasago, JP;
Yasuharu Yamamoto, Takasago, JP;
Toshiyuki Osada, Takasago, JP;
Takafumi Yoshida, Nagasaki, JP;
Takaaki Kaikogi, Takasago, JP;
Masaharu Minami, Takasago, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
A pump for carrying supercritical COfluid or liquid COcapable of securing reliability by optimizing a bearing part. An angular ball bearing () comprises an inner ring (), an outer ring (), balls () held therebetween, and a cage () holding the balls (). Both the balls and the inner and outer rings are formed of a ceramic to form a totally ceramic bearing. Also, the cage () is guided by the outer ring or the inner ring. Specifically, for example, when the cage is guided by the inner ring, the inner peripheral surface () of the cage () opposed to the outermost peripheral surface () of the inner ring () is guided by the outermost peripheral surface () of the inner ring ().