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:
Dec. 09, 2025
Filed:
Sep. 18, 2020
Sanden Automotive Components Corporation, Isesaki, JP;
Misako Kaburagi, Isesaki, JP;
Atsuo Teshima, Isesaki, JP;
SANDEN CORPORATION, Isesaki, JP;
Abstract
To improve separation performance of oil. An oil separation structure includes a partition member configured to partition the inside of a separation chamber in the up-down direction. The partition member includes a cylindrical support portion supported by an inner circumferential surface of the separation chamber and a cylindrical swirl acceleration portion having an upper end side continuously formed from the support portion, having a smaller diameter than the support portion, and having a lower end side closed, and the swirl acceleration portion has a communication path formed, the communication path communicating the radial inside and the radial outside with each other, and accelerates swirling of refrigerant, the refrigerant having descended while swirling along the inner circumferential surface of the separation chamber.