Air conditioner

US11204181B2 · kind B2 · utility

Assignee

• Hitachi-Johnson Controls Air Conditioning, Inc. · JP

Inventors

• Mikihito Tokudi · Tokyo, JP
• Gen Yasuda · Tokyo, JP
• Takanori Isogawa · Tokyo, JP
• Kazuhiro Tsuchihashi · Tokyo, JP
• Hiroyuki Ogisu · Tokyo, JP

Key dates

• Filing date: Apr 1, 2019
• Grant date: Dec 21, 2021
• Expiry date: Mar 2, 2040

Classification

• Technology area (CPC —): General

Abstract

An air conditioner provided which has: a main refrigerant circuit including a compressor, a heat source side heat exchanger, a first expansion valve, and a utilization side heat exchanger and configured such that refrigerant flows in the main refrigerant circuit; a sub refrigerant circuit including a cooling member configured such that refrigerant branched from the main refrigerant circuit flows in the cooling member and configured such that refrigerant branched from the main refrigerant circuit flows in the sub refrigerant circuit; and a heat generator to be cooled by the cooling member, wherein a pipe in which part of refrigerant discharged from the compressor flows is connected to the cooling member of the sub refrigerant circuit.