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:
Feb. 04, 2025
Filed:
Jun. 20, 2022
Danfoss Commercial Compressors, Trevoux, FR;
Patrice Bonnefoi, Nordborg, DK;
Wanzhen Liu, Nordborg, DK;
David Genevois, Cailloux sur Fontaine, FR;
Jean Francois Heitz, Nordborg, DK;
DANFOSS COMMERCIAL COMPRESSORS, Reyrieux, FR;
Abstract
A scroll compressor () includes a sealed housing (); a compression unit (), having a fixed scroll () and an orbiting scroll (); a drive shaft () configured to drive the orbiting scroll () to move orbitally, the drive shaft () being capable of rotating about an axis of rotation; a synchronous reluctance motor () configured to drive the drive shaft () to rotate about the axis of rotation, the synchronous reluctance motor () comprising a rotor () coupled to the drive shaft () and a stator () disposed around the rotor (), and the rotor () including a ferrite permanent magnet (); a compressor control apparatus () configured to control the scroll compressor () to operate; a lubricating oil tank (), formed in a bottom portion of the sealed housing (); a heating apparatus configured to heat lubricating oil stored in the lubricating oil tank (); and an oil temperature sensor () disposed in the lubricating oil tank ().