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:
Nov. 29, 2022

Filed:

Mar. 26, 2020
Applicant:

Efficient Energy Gmbh, Feldkirchen, DE;

Inventors:

Adrian Zajac, Munich, DE;

Johannes Lang, Munich, DE;

Bartosz Szyczewski, Munich, DE;

Assignee:

EFFICIENT ENERGY GMBH, Feldkirchen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 30/02 (2006.01); F25B 31/02 (2006.01); F04D 29/44 (2006.01); F04D 29/62 (2006.01);
U.S. Cl.
CPC ...
F25B 30/02 (2013.01); F04D 29/441 (2013.01); F04D 29/624 (2013.01); F25B 31/026 (2013.01); F25B 2400/07 (2013.01);
Abstract

A heat pump includes a housing; a liquefier and an evaporator arranged inside the housing; and a compressor interposed between the evaporator and the liquefier in terms of fluid flow, the compressor having a motor, an impeller connected to the motor, and a diffusor, the diffusor having a diffusor portion extending between the motor and the impeller, the diffusor portion having at least two parts, a first part of the diffusor portion being connected to the housing and a second part of the diffusor portion being connected to the motor, wherein the first part of the diffusor portion has an opening, wherein the second part of the diffusor portion is configured to close the opening, and wherein the opening is dimensioned such that the impeller is removable from the housing through the opening.


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