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. 27, 2025
Filed:
Mar. 17, 2022
Hanon Systems, Daejeon, KR;
Seong Kook Cho, Daejeon, KR;
Ho Bin Im, Daejeon, KR;
HANON SYSTEMS, Daejeon, KR;
Abstract
The present invention relates to a multistage fluid compressor including a motor housing having a fluid injection port, a stator coupled to the inside of the motor housing, a rotor configured to penetrate the inside of the stator and having two opposite sides based on an axial direction, the two opposite sides being rotatably coupled to the motor housing, an impeller housing coupled to the motor housing and configured to communicate with the inside of the motor housing, the impeller housing having a fluid discharge port configured to connect the inside and outside thereof, and first and second impellers provided in the impeller housing and coupled to one end of the rotor, in which the compressor may be directly cooled by using a fluid intended to be compressed, and components of the compressor including a thrust bearing, the stator, and the rotor may be efficiently cooled.