Patent · US Active

Heat pump system comprising two stages, method of operating a heat pump system and method of producing a heat pump system

US10976078B2 · kind B2 · utility

1Cited by

3References

25Claims

0Family size

Assignee

EFFICIENT ENERGY GMBH · DE

Inventors

Oliver Kniffler · Sauerlach, DE
Holger Sedlak · Hersbruck, DE
Florian HANSLIK · Munich, DE
Thaddäus Hinterberger · Wasserburg am Inn, DE

Key dates

Filing date	Sep 12, 2018
Grant date	Apr 13, 2021
Priority date	—
Expiry date	Feb 9, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF25B2339/047
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A heat pump system includes a heat pump stage having a first evaporator, a first liquefier, and a first compressor; and a further heat pump stage having a second evaporator, a second liquefier, and a second compressor, wherein a first liquefier exit of the first liquefier is connected to a second evaporator entrance of the second evaporator via a connecting lead.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.