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. 16, 2023
Filed:
Feb. 22, 2022
Applicant:
Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;
Inventors:
Hiroyuki Miyata, Hiroshima, JP;
Hideki Nagao, Hiroshima, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/20 (2006.01); F04D 29/044 (2006.01); F04D 29/043 (2006.01); F04D 29/053 (2006.01); F04D 29/054 (2006.01); F04D 29/58 (2006.01); F04D 29/28 (2006.01); F04D 25/02 (2006.01); F04D 25/16 (2006.01); F04D 29/26 (2006.01);
U.S. Cl.
CPC ...
F04D 29/20 (2013.01); F04D 29/043 (2013.01); F04D 29/044 (2013.01); F04D 29/053 (2013.01); F04D 29/054 (2013.01); F04D 29/584 (2013.01); F04D 29/5846 (2013.01); F04D 25/028 (2013.01); F04D 25/163 (2013.01); F04D 29/266 (2013.01); F04D 29/284 (2013.01);
Abstract
A rotary machine includes a cylindrical rotary shaft extending in a direction of an axis, a fastening bolt having a bolt body that extends in a direction of an axis O in the rotary shaft to form fastening portions at both ends, a pair of rotary bodies each having an end portion in the direction of the axis that is fixed to each of the pair of fastening portions to be in contact with an end surface of the rotary shaft in the direction of the axis, and a bolt extension mechanism that temporarily extends the bolt body in the direction of the axis.