公开(公告)号：US09995513B2

公开(公告)日：2018-06-12

申请号：US14436978

申请日：2013-09-26

Applicant: DENSO CORPORATION

Inventor： Norimasa Baba

IPC: F25B39/02 ,  F28F9/26 ,  F28F9/02 ,  F28D1/053

CPC classification number: F25B39/02 ,  F25B39/028 ,  F28D1/05391 ,  F28F9/0273 ,  F28F9/028 ,  F28F9/26

Abstract: Provided in an interior of a leeward tank unit of a leeward evaporation portion is a refrigerant flow changing portion that guides a refrigerant from a first refrigerant collecting portion to a second refrigerant distributing portion and guides a refrigerant from a second refrigerant collecting portion to a first refrigerant distributing portion. The refrigerant flow changing portion is configured such that a refrigerant flow guided from the first refrigerant collecting portion to the second refrigerant distributing portion and a refrigerant flow guided from the second refrigerant collecting portion to the first refrigerant distributing portion are in a non-crossed state when viewed from a longitudinal direction of tubes.

公开(公告)号：US20150285544A1

公开(公告)日：2015-10-08

申请号：US14436978

申请日：2013-09-26

Applicant: DENSO CORPORATION

Inventor： Norimasa Baba

IPC: F25B39/02

CPC classification number: F25B39/02 ,  F25B39/028 ,  F28D1/05391 ,  F28F9/0273 ,  F28F9/028 ,  F28F9/26

Abstract: Provided in an interior of a leeward tank unit of a leeward evaporation portion is a refrigerant flow changing portion that guides a refrigerant from a first refrigerant collecting portion to a second refrigerant distributing portion and guides a refrigerant from a second refrigerant collecting portion to a first refrigerant distributing portion. The refrigerant flow changing portion is configured such that a refrigerant flow guided from the first refrigerant collecting portion to the second refrigerant distributing portion and a refrigerant flow guided from the second refrigerant collecting portion to the first refrigerant distributing portion are in a non-crossed state when viewed from a longitudinal direction of tubes.

Abstract translation: 背风蒸发部的下风箱单元的内部设有将制冷剂从第一制冷剂收集部引导到第二制冷剂分配部并将制冷剂从第二制冷剂收集部引导到第一制冷剂的制冷剂流动变化部 分配部分。 制冷剂流动变化部构成为从第一制冷剂收集部向第二制冷剂分配部引导的制冷剂流和从第二制冷剂收集部向第一制冷剂分配部引导的制冷剂流处于非交叉状态， 从管的纵向观察。

公开(公告)号：US09631841B2

公开(公告)日：2017-04-25

申请号：US14383034

申请日：2013-03-04

Applicant: DENSO CORPORATION

Inventor： Naohisa Ishizaka ,  Norimasa Baba ,  Ichio Kamei ,  Kengo Kazari ,  Shota Chatani

IPC: F25B39/02 ,  F25B5/00 ,  F28D1/053

CPC classification number: F25B5/00 ,  F25B39/02 ,  F28D1/05308 ,  F28D1/05391

Abstract: A refrigerant evaporator includes four core portions. A part of the refrigerant passes through a first core portion and a fourth core portion. The other part of the refrigerant passes through a second core portion and a third core portion. An exchanging unit exchanges the positions where the refrigerant flows. A passage through which the second core portion communicates with the third core portion includes a throttle passage in the intermediate tank unit. The throttle passage and the end portion of the intermediate tank unit reverse the refrigerant flow toward a partitioning member. Since the distribution of a liquid-phase refrigerant is adjusted by the throttle passage, a concentration of the liquid-phase refrigerant on a position in the vicinity of an outlet of the third core portion is suppressed. Accordingly, the concentration of the liquid-phase refrigerant in the core portions located downstream of the refrigerant flow is suppressed.

公开(公告)号：US20150027163A1

公开(公告)日：2015-01-29

申请号：US14383034

申请日：2013-03-04

Applicant: DENSO CORPORATION

Inventor： Naohisa Ishizaka ,  Norimasa Baba ,  Ichio Kamei ,  Kengo Kazari ,  Shota Chatani

IPC: F25B5/00 ,  F28D1/053

CPC classification number: F25B5/00 ,  F25B39/02 ,  F28D1/05308 ,  F28D1/05391

Abstract: A refrigerant evaporator includes four core portions. A part of the refrigerant passes through a first core portion and a fourth core portion. The other part of the refrigerant passes through a second core portion and a third core portion. An exchanging unit exchanges the positions where the refrigerant flows. A passage through which the second core portion communicates with the third core portion includes a throttle passage in the intermediate tank unit. The throttle passage and the end portion of the intermediate tank unit reverse the refrigerant flow toward a partitioning member. Since the distribution of a liquid-phase refrigerant is adjusted by the throttle passage, a concentration of the liquid-phase refrigerant on a position in the vicinity of an outlet of the third core portion is suppressed. Accordingly, the concentration of the liquid-phase refrigerant in the core portions located downstream of the refrigerant flow is suppressed.

Abstract translation: 制冷剂蒸发器包括四个芯部分。 制冷剂的一部分通过第一芯部和第四芯部。 制冷剂的另一部分通过第二芯部分和第三芯部分。 交换单元交换制冷剂流动的位置。 第二芯部与第三芯部连通的通道包括在中间罐单元中的节流通道。 中间罐单元的节流通道和端部将制冷剂流朝向分隔件反向。 由于通过节流通道调节液相制冷剂的分配，因此抑制了液相制冷剂在第三芯部的出口附近的位置的浓度。 因此，抑制位于制冷剂流下游的芯部的液相制冷剂的浓度。

公开(公告)号：US10168084B2

公开(公告)日：2019-01-01

申请号：US14889505

申请日：2014-05-09

Applicant: DENSO CORPORATION

Inventor： Aun Ota ,  Naohisa Ishizaka ,  Norimasa Baba ,  Shota Chatani ,  Masakazu Nagaya ,  Eiichi Torigoe ,  Kengo Kazari ,  Daisuke Haseba

IPC: F25B39/02 ,  F28F9/02 ,  F28D1/053 ,  F28D21/00

Abstract: A refrigerant evaporator has an interchange part. The interchange part connects a first collecting part of a second downstream tank part, and a second distribution part of a second upstream tank part. The interchange part connects a second collecting part of a second downstream tank part, and a first distribution part of a second upstream tank part. The interchange part swaps a refrigerant about a width direction of a core. Refrigerant passages relevant to the interchange part are configured to improve refrigerant distribution. Providing a plurality of passages and/or twisting a passage improve distribution.

公开(公告)号：US10107532B2

公开(公告)日：2018-10-23

申请号：US14893434

申请日：2014-05-16

Applicant: DENSO CORPORATION

Inventor： Norimasa Baba

IPC: F25B39/02 ,  F25B39/00 ,  F28F9/02 ,  F28D1/053 ,  F28D21/00

Abstract: A refrigerant evaporator includes a first evaporation unit and a second evaporation unit disposed in series in a flow direction of fluid to be cooled by evaporating refrigerant. An intermediate tank portion through which refrigerant flows is connected to an outer surface of one tank portion of the first evaporation unit and an outer surface of one tank portion of the second evaporation unit. A tank external refrigerant space through which refrigerant flows is defined by an outer wall of the one tank portion of the first evaporation unit, an outer wall of the one tank portion of the second evaporation unit, and an outer wall of the intermediate tank portion.