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:
Jun. 14, 2022
Filed:
Dec. 17, 2020
Ihi Corporation, Tokyo, JP;
Kuniaki Iizuka, Tokyo, JP;
Yuji Sasaki, Tokyo, JP;
Tatsumi Inomata, Tokyo, JP;
Ryosuke Yumoto, Tokyo, JP;
Kai Iijima, Tokyo, JP;
Tatsuya Fukui, Tokyo, JP;
Hikaru Sugiura, Tokyo, JP;
Yoshihito Katsu, Tokyo, JP;
Takashi Yoshida, Tokyo, JP;
Takashi Mori, Tokyo, JP;
Other;
Abstract
This electric compressor includes a rotation shaft including a first end and a second end, a compressor impeller which is mounted on the first end of the rotation shaft and includes a back surface facing the second end, a motor disposed between the first end and the second end of the rotation shaft, a wall portion which separates an impeller space and a motor space from each other and includes a reference wall surface having a shape along the back surface of the compressor impeller, and a bypass hole which is formed in the wall portion to connect the impeller space to the motor space and includes a first opening which opens to the impeller space. In the wall portion, a recessed portion which is disposed around the first opening of the bypass hole and recessed from the reference wall surface is formed.