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:
Mar. 19, 2024
Filed:
Jun. 23, 2020
Sanden Automotive Components Corporation, Isesaki, JP;
Atsuo Teshima, Isesaki, JP;
SANDEN CORPORATION, Isesaki, JP;
Abstract
A scroll compressor is provided which is capable of performing an adjustment to appropriate back pressure in both a low-speed operation condition and an operation condition low in suction pressure by improving the position or dimension of a back pressure hole. The scroll compressor includes a back pressure chamberformed on the back surface of a mirror plateof a movable scroll, and back pressure holesandformed in the mirror plate of the movable scroll and providing communication between the back pressure chamber and the compression chamber. After the back pressure holeis opened inside a lapof the movable scroll in a first crank angle range, the back pressure holeis temporarily closed by a lapof a fixed scrolland then opened inside the lap of the fixed scroll in a second crank angle range.