Refrigerant circuit of an air conditioner with heat pump

US9346336B2 · kind B2 · utility

Assignee

• Hanon Systems · KR

Inventors

• Marc Graaf · Krefeld, DE
• Tobias Haas · Cologne, DE

Key dates

• Filing date: Apr 25, 2013
• Grant date: May 24, 2016
• Expiry date: Sep 9, 2033

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60H2001/3285
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A refrigerant circuit of an air conditioning system for a passenger compartment of a motor vehicle having a primary circuit having a compressor configured to compress a refrigerant, a first heat exchanger in fluid communication with the compressor and configured to transfer heat between a refrigerant and the environment, a first expansion element in fluid communication with the first heat exchanger, and a second heat exchanger in fluid communication with the first expansion element and the compressor, the second heat exchanger configured to dehumidify intake air of the passenger compartment and a secondary circuit having a first flow pathway and a second flow pathway, the first flow pathway having a third heat exchanger in fluid communication with the compressor and configured to transfer heat from the refrigerant to the passenger compartment and a second expansion element in fluid communication with the third heat exchanger, and a third expansion element.