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:
Jun. 09, 2026

Filed:

Jul. 01, 2022
Applicant:

Danfoss A/s, Nordborg, DK;

Inventors:

Johan Van Beek, Almind, DK;

Michael Birkelund, Middelfart, DK;

Uwe Maywald, Nordborg, DK;

Assignee:

DANFOSS A/S, Nordborg, DK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 41/26 (2021.01);
U.S. Cl.
CPC ...
F25B 41/26 (2021.01);
Abstract

A four-way reversing valve for a high capacity reversible heat pump compressor includes a housing with four ports, namely a discharge port, a suction port, an evaporator port and a condenser port. It further includes a conically shaped rotor provided rotatably inside the housing for varying flow paths between the four ports, wherein a large diameter face of the rotor comprises two separated openings, wherein a first opening fluidly connects the large diameter face to a small diameter face of the rotor via a first fluid conduit and a second opening fluidly connects the large diameter face to a radially outer portion of the rotor via a second fluid conduit. The disclosure further discloses a set having two or more four-way reversing valves.


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