Thermodynamic cycle system for moving vehicle

Bibliographic Details
Title: Thermodynamic cycle system for moving vehicle
Document Number: 20110072841
Publication Date: March 31, 2011
Appl. No: 12/858901
Application Filed: August 18, 2010
Abstract: A thermodynamic cycle system for a moving vehicle, including a refrigeration cycle system through which a refrigerant flows, a first heat-transferring system through which a heat-transferring medium flows, the heat-transferring medium being used for adjusting temperatures of heat-liberation components, a second heat-transferring system through which a heat-transferring medium flows, the heat-transferring medium being used for adjusting an indoor air state, an intermediate heat exchanger provided between the refrigeration cycle system and the first heat-transferring system, an intermediate heat exchanger provided between the refrigeration cycle system and the second heat-transferring system, an indoor heat exchanger provided in the first heat-transferring system, and an indoor heat exchanger provided in the second heat-transferring system.
Inventors: Arai, Masatsugu (Kasumigaura, JP); Nasu, Shingo (Hitachinaka, JP); Matsushima, Hiroaki (Ryugasaki, JP); Kotani, Masanao (Ushiku, JP); Komatsu, Tomohiro (Kasumigaura, JP); Sekiya, Sachio (Hitachinaka, JP)
Assignees: Hitachi, Ltd. (Tokyo, JP)
Claim: 1. A moving vehicle thermodynamic cycle system, comprising: a refrigeration cycle system through which a refrigerant flows; a first heat-transferring system through which a heat-transferring medium flows, said heat-transferring medium being used for adjusting temperatures of heat-liberation components; a second heat-transferring system through which a heat-transferring medium flows, said heat-transferring medium being used for adjusting an indoor air state; a first heat exchanger provided between said refrigeration cycle system and said first heat-transferring system, and performing heat exchange between said refrigerant and said heat-transferring medium; a second heat exchanger provided between said refrigeration cycle system and said second heat-transferring system, and performing heat exchange between said refrigerant and said heat-transferring medium; an indoor heat exchanger provided in said first heat-transferring system, and performing heat exchange between said air taken into said indoor side and said heat-transferring medium; and an indoor heat exchanger provided in said second heat-transferring system, and performing heat exchange between said air taken into said indoor side and said heat-transferring medium.
Claim: 2. The moving vehicle thermodynamic cycle system according to claim 1, wherein said first heat exchanger and said second heat exchanger are deployed in series with said refrigeration cycle system, said moving vehicle thermodynamic cycle system, further comprising: a pressure-reducing valve for expanding said refrigerant, said pressure-reducing valve being provided between said first heat exchanger and said second heat exchanger on a refrigerant-flowing channel of said refrigeration cycle system.
Claim: 3. The moving vehicle thermodynamic cycle system according to claim 1, wherein said heat-liberation components are driving components for driving said moving vehicle.
Claim: 4. The moving vehicle thermodynamic cycle system according to claim 1, wherein said first heat-transferring system further comprises an outdoor heat exchanger for performing heat exchange between said heat-transferring medium and said outdoor air.
Claim: 5. An electric vehicle, comprising: an rotating electric machine coupled to wheels of the vehicle; a battery that constitutes a driving power-supply for said rotating electric machine; a power conversion device for controlling said driving of said rotating electric machine by converting DC power into AC power, and feeding said AC power into said rotating electric machine, said DC power being fed from said battery; and a thermodynamic cycle system for adjusting temperatures of said rotating electric machine, said battery, and said power conversion device, and adjusting an indoor air state, wherein said thermodynamic cycle system, comprises: a refrigeration cycle system through which a refrigerant flows; a first heat-transferring system through which a heat-transferring medium flows, said heat-transferring medium being used for adjusting said temperatures of heat-liberation components including said rotating electric machine, said battery and said power conversion device; a second heat-transferring system through which a heat-transferring medium flows, said heat-transferring medium being used for adjusting said indoor air state; a first heat exchanger provided between said refrigeration cycle system and said first heat-transferring system, and performing heat exchange between said refrigerant and said heat-transferring medium; a second heat exchanger provided between said refrigeration cycle system and said second heat-transferring system, and performing heat exchange between said refrigerant and said heat-transferring medium; an indoor heat exchanger provided in said first heat-transferring system, and performing heat exchange between said air taken into said indoor side and said heat-transferring medium; and an indoor heat exchanger provided in said second heat-transferring system, and performing heat exchange between said air taken into said indoor side and said heat-transferring medium.
Current U.S. Class: 622/592
Current International Class: 25; 25; 25
Accession Number: edspap.20110072841
Database: USPTO Patent Applications
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Language:English