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:
Nov. 03, 2026
Filed:
Nov. 27, 2024
Daikin Industries, Ltd., Osaka, JP;
Ayumi Ogawa, Osaka, JP;
Tatsuya Ogawa, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A compressor includes a casing, a compression mechanism unit provided in the casing, and a motor provided in the casing to drive the compression mechanism unit. The motor include a rotor having a cylindrical shape, and a balance weight provided on an end surface of the rotor in an axial direction and having an annular outer peripheral surface. The balance weight includes an end surface facing the rotor, a recessed portion provided on the end surface, a wall portion provided between the recessed portion and the outer peripheral surface, and a communication path provided on the wall portion and allowing a space of the recessed portion and a space on an outer side of the wall portion in a radial direction to communicate with each other.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile