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:
May. 26, 2020
Filed:
Aug. 25, 2017
Ihi Corporation, Koto-ku, JP;
Kuniaki Iizuka, Koto-ku, JP;
Takashi Yoshida, Koto-ku, JP;
Yuji Sasaki, Koto-ku, JP;
Tatsumi Inomata, Koto-ku, JP;
Takuya Ozasa, Koto-ku, JP;
Ryosuke Yumoto, Koto-ku, JP;
Takashi Mori, Koto-ku, JP;
IHI Corporation, Koto-ku, JP;
Abstract
A rotary machine is provided with: a bearing that supports a rotary shaft of an impeller; a bearing support part that supports an outer circumference of the bearing; a key groove that is formed in the bearing and the bearing support part and extends along a rotary shaft line direction of the rotary shaft; and a key member that is inserted into the key groove. The bearing support part is provided with an outer regulating part that can contact one end part of the key member inside the key groove. An outer ring of the bearing is provided with an inner regulating part that can contact another end part of the key member inside the key groove. A distance between the outer regulating part and the inner regulating part is longer than a length of the key member in the rotary shaft line direction.