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. 03, 2025
Filed:
Jun. 30, 2023
Kabushiki Kaisha Toyota Jidoshokki, Aichi, JP;
Takayuki Hirano, Aichi, JP;
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Aichi, JP;
Abstract
A centrifugal compressor includes a rotary shaft, an electric motor, an impeller, a thrust bearing, and a housing having a passage that includes a motor cooling passage and a bearing cooling passage. The housing includes an inner housing and an outer housing. The motor cooling passage is defined by the inner housing and the outer housing. The passage includes a branching passage through which cooling fluid is divided and flows into the motor cooling passage and the bearing cooling passage and a joining passage through which the cooling fluid flowing through the bearing cooling passage joins the cooling fluid flowing through the motor cooling passage. The motor cooling passage includes a guide wall that guides the cooling fluid flowing through the motor cooling passage.