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. 17, 2026
Filed:
Jun. 30, 2023
Danfoss Commercial Compressors, Reyrieux, FR;
Danfoss A/s, Nordborg, DK;
Patrice Bonnefoi, Nordborg, DK;
Jean-Jacques Laissus, Reyrieux, FR;
Gabriel Streda, Nordborg, DK;
Yves Rosson, Villars les Dombes, FR;
Julien Lavy, Béligneux, FR;
Sebastien Sababady, Villefranche-sur-Saône, FR;
DANFOSS COMMERCIAL COMPRESSORS, Trevoux, FR;
DANFOSS A/S, Nordborg, DK;
Abstract
A scroll compressor includes a compressor shell () having a discharge outlet (), and a discharge check valve assembly () including a valve housing () arranged at the discharge outlet () and provided with a metal valve seat (), and a valve member () movable between a closed position and an open position. The metal valve seat () has a frusto-conical or toroidal sealing surface () and the valve member () has a metal sealing surface () being configured to cooperate with the frusto-conical or toroidal sealing surface () when the valve member () is in the closed position, the metal valve seat () and the valve member () being configured to define a linear sealing contact between the metal sealing surface () of the valve member () and the frusto-conical or toroidal sealing surface () of the metal valve seat (). The valve member () includes a valve stem portion () and a valve head portion () connected to the valve stem portion (). The valve stem portion () includes a stem end portion () which is remote from the valve head portion (). The stem end portion () includes a tool fixing member () configured to allow temporary fixing of a tooling, adapted to displace the valve member () in the open position during assembly process of the scroll compressor (), to the stem end portion ().