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:
May. 07, 2024
Filed:
Jan. 24, 2020
Danfoss A/s, Nordborg, DK;
DANFOSS A/S, Nordborg, DK;
Abstract
The invention relates to a compressor unit () for a refrigeration system using a refrigerant. The compressor () unit includes a centrifugal compressor () for compressing the refrigerant, wherein the compressor () has a discharge outlet () for discharging the compressed refrigerant, and a check valve (). An inlet () of the check valve () is in fluid connection with the discharge outlet () of the compressor (). In order to provide a more reliable and more quite compressor unit (), the check valve () is a nozzle check valve including a damping mechanism (), wherein a closing parameter of the check valve () is between 50 s/mand 2000 s/m, wherein the closing parameter is a closing time of the check valve () divided by a port area of the check valve ().