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公开(公告)号：US20190128577A1
公开(公告)日：2019-05-02
申请号：US16091138
申请日：2017-04-03
Applicant: DENSO CORPORATION
Inventor： Ryohei SUGIMURA , Masaaki KAWAKUBO , Daiki KATO , Hiroshi MIEDA , Tetsuya ITO
Abstract: A heat exchanger includes a heat exchanging portion, a reservoir that performs gas-liquid separation on a gas-liquid two-phase refrigerant that flows out from the heat exchanging portion into a gas-phase refrigerant and a liquid-phase refrigerant and stores the liquid-phase refrigerant, and an inflow passage that allows the gas-liquid two-phase refrigerant flowing out from the heat exchanging portion to flow into the reservoir. The inflow passage is connected so as to be in communication with an inlet port of the reservoir which is disposed above a liquid surface of the liquid-phase refrigerant stored in the reservoir.
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公开(公告)号：US20190128575A1
公开(公告)日：2019-05-02
申请号：US16091944
申请日：2017-04-03
Applicant: DENSO CORPORATION
Inventor： Ryohei SUGIMURA , Hiroshi MIEDA , Masaaki KAWAKUBO , Daiki KATO , Tetsuya ITO
Abstract: A heat exchanger includes: a heat exchanging portion configured to exchange heat between a refrigerant flowing through therein and air; a liquid reservoir configured to separate a gas-liquid two-phase refrigerant flowing out of the heat exchanging portion into a gas-phase refrigerant and a liquid-phase refrigerant, the liquid reservoir storing the liquid-phase refrigerant; and a refrigerant adjustment portion configured to adjust a flow state of the refrigerant flowing into the refrigerant adjustment portion through a refrigerant passage of the refrigeration cycle, supply the refrigerant to the heat exchanging portion and adjust an outflow state and an outflow destination of the refrigerant flowing out of the heat exchanging portion or the liquid reservoir. At least a part of the refrigerant adjustment portion is inserted into the liquid reservoir.
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公开(公告)号：US20190092135A1
公开(公告)日：2019-03-28
申请号：US16091917
申请日：2017-04-03
Applicant: DENSO CORPORATION
Inventor： Ryohei SUGIMURA , Hiroshi MIEDA , Masaaki KAWAKUBO , Daiki KATO , Tetsuya ITO
IPC: B60H1/32
Abstract: A heat exchanger includes a liquid reservoir configured to separate a gas-liquid two-phase refrigerant flowing out of an upstream heat exchanging portion into a gas-phase refrigerant and a liquid-phase refrigerant and store the liquid-phase refrigerant, and a first adjustment portion and a second adjustment portion configured to adjust an outflow state and an outflow destination of the refrigerant flowing out of a downstream heat exchanging portion or the liquid reservoir. The liquid reservoir includes a liquid reserving portion configured to store the liquid-phase refrigerant, and a gas reserving portion configured to store the gas-phase refrigerant. The first adjustment portion and the second adjustment portion face the liquid reserving portion across the gas reserving portion.
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公开(公告)号：US20180222287A1
公开(公告)日：2018-08-09
申请号：US15749514
申请日：2016-07-12
Applicant: DENSO CORPORATION
Inventor： Hiroshi MIEDA , Ryohei SUGIMURA , Masaaki KAWAKUBO , Yuichi KAMI
CPC classification number: B60H1/22 , B60H1/00914 , B60H1/00921 , B60H2001/00928 , B60H2001/00957 , F25B1/10 , F25B6/02 , F25B13/00 , F25B25/005 , F25B39/04 , F25B40/00 , F25B41/04 , F25B43/006 , F25B2313/0233 , F25B2313/02741 , F25B2600/21 , F25B2600/2507
Abstract: A heat pump system includes a compressor that compresses and discharges a refrigerant, a decompressor that decompresses the refrigerant, an outdoor unit that exchanges heat between the refrigerant and an outside air, an evaporator that evaporates the refrigerant, a condenser that condenses the refrigerant, an internal heat exchanger, an accumulator that separates the refrigerant into a gas refrigerant and a liquid refrigerant, and a flow pathway changing portion. The internal heat exchanger includes a high-pressure passage through which a high-pressure refrigerant flows, and a low-pressure passage through which a low-pressure refrigerant flows, the internal heat exchanger exchanging heat between the refrigerant flowing through the high-pressure passage and the refrigerant flowing through the low-pressure passage. The flow pathway changing portion that switches between a cooling pathway and a heating pathway. According to this heat pump system, a cooling capacity and a heating capacity can be improved.
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