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.

Date of Patent:
Jul. 28, 2026

Filed:

Oct. 09, 2024
Applicant:

Danfoss Commercial Compressors, Trevoux, FR;

Inventors:

Remi Bou Dargham, Villeurbanne, FR;

Arnaud Daussin, Trevoux, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 18/02 (2006.01); F04C 28/08 (2006.01); F04C 29/02 (2006.01);
U.S. Cl.
CPC ...
F04C 18/0215 (2013.01); F04C 28/08 (2013.01); F04C 29/02 (2013.01); F04C 29/023 (2013.01); F04C 29/028 (2013.01); F04C 2240/40 (2013.01); F04C 2240/60 (2013.01); F04C 2270/051 (2013.01);
Abstract

A scroll compressor comprising a compressor casing; a compression unit including a fixed scroll and an orbiting scroll defining a compression volume; an oil sump; a drive shaft including a driving portion coupled with the orbiting scroll; a variable-speed electric motor configured to rotatably drive the drive shaft; an oil injection system including an oil feed channel fluidly connected to the oil sump and extending over the entire length of the drive shaft, and oil injection means provided on the orbiting scroll and configured to deliver oil from the oil feed channel to the compression volume; and an oil flow regulating device configured to regulate an oil flow from the oil feed channel to the oil injection means.


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