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. 25, 2025
Filed:
Aug. 13, 2020
Danfoss A/s, Nordborg, DK;
Jan Prins, Nordborg, DK;
Lars Finn Sloth Larsen, Nordborg, DK;
DANFOSS A/S, Nordborg, DK;
Abstract
A method for controlling a vapour compression system () is disclosed. The vapour compression system () includes an ejector (), and has a non-return valve () arranged in the refrigerant path between an outlet () of an evaporator () and an inlet () of a compressor unit (), in such a manner that a refrigerant flow from the outlet () of the evaporator () towards the inlet () of the compressor unit () is allowed, while a fluid flow from the inlet () of the compressor unit () towards the outlet () of the evaporator () is prevented. A pressure, P, of refrigerant leaving the evaporator () is measured and a value being representative for a pressure, P, of refrigerant entering the compressor unit () is obtained. The pressures, Pand P, are compared to respective reference pressure values, Pand P. In the case that ε>ε, where ε=P−Pand ε=P−P, the compressor unit () is controlled based on P, and in the case that ε>ε, the compressor unit () is controlled based on P.