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公开(公告)号：US20170232822A1
公开(公告)日：2017-08-17
申请号：US15502631
申请日：2015-08-07
Applicant: DENSO CORPORATION
Inventor： Isamu TAKASUGI , Hiroshi KATAOKA , Haruyuki NISHIJIMA , Yoshiyuki YOKOYAMA , Youhei NAGANO
IPC: B60H1/32
CPC classification number: B60H1/3229 , B60H1/3204 , B60H2001/3297 , B60H2001/3298 , F25B41/00 , F25B2341/0012 , F25B2400/23 , F25B2500/18
Abstract: An ejector-type refrigeration cycle includes an ejector module integrated with a gas-liquid separation device. The ejector module is disposed outside an area that overlaps with an engine when viewed from a vehicular upper side. Further, the ejector module may be disposed outside an area overlapping with the engine when viewed from the vehicular front side, and the ejector module may be disposed outside of side members in a vehicle width direction.
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公开(公告)号：US20160200170A1
公开(公告)日：2016-07-14
申请号：US15023570
申请日：2014-09-15
Applicant: DENSO CORPORATION
Inventor： Yoichiro KAWAMOTO , Etsuhisa YAMADA , Haruyuki NISHIJIMA , Yoshiaki TAKANO , Yoshiyuki YOKOYAMA
CPC classification number: B60H1/00885 , B60H2001/3298 , F25B40/02 , F25B41/00 , F25B41/043 , F25B41/062 , F25B41/067 , F25B43/006 , F25B49/022 , F25B2341/0012 , F25B2341/0013 , F25B2400/23 , F25B2500/18 , F25B2700/195 , F25B2700/2104 , F25B2700/2106 , F25B2700/21173
Abstract: An ejector-type refrigeration cycle includes a radiator radiating heat of refrigerant discharged from a compressor, an ejector depressurizing the refrigerant cooled in the radiator, a gas-liquid separator separating gas and liquid of the refrigerant flowing out of a diffuser portion of the ejector, an evaporator disposed in a refrigerant passage connecting the gas-liquid separator and a refrigerant suction port of the ejector, and an opening-closing valve switching between a first refrigerant flow path, in which an ejection refrigerant ejected from a nozzle portion of the ejector flows out of the diffuser portion, and a second refrigerant flow path, in which the ejection refrigerant flows out of the refrigerant suction port. When a rotation rate of the compressor is lower than or equal to a standard rotation rate, the first refrigerant flow path is switched to the second refrigerant flow path.
Abstract translation: 喷射式制冷循环包括散热从制冷剂排出的制冷剂的散热器，喷射器对在散热器中冷却的制冷剂进行减压，分离从分离器的扩散器部分流出的制冷剂的气液分离器， 设置在连接气液分离器和喷射器的制冷剂吸入口的制冷剂通路中的蒸发器，以及在从喷射器的喷嘴部喷出的喷射制冷剂流入的第一制冷剂流路之间切换的开闭阀 以及第二制冷剂流路，其中喷射制冷剂从制冷剂吸入口流出。 当压缩机的转速低于或等于标准转速时，第一制冷剂流路切换到第二制冷剂流路。
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公开(公告)号：US20160169565A1
公开(公告)日：2016-06-16
申请号：US14908010
申请日：2014-07-22
Applicant: DENSO CORPORATION
Inventor： Yoshiyuki YOKOYAMA , Etsuhisa YAMADA , Haruyuki NISHIJIMA
CPC classification number: F25B41/00 , B60H2001/3298 , F04F5/10 , F04F5/44 , F04F5/463 , F25B5/02 , F25B6/02 , F25B9/08 , F25B40/02 , F25B41/062 , F25B2327/001 , F25B2341/0012 , F25B2400/0407 , F25B2400/23 , F25B2500/18
Abstract: In an ejector, a passage formation member is disposed inside a body forming a space therein. Provided between an inner peripheral surface of the body and the passage formation member are a nozzle passage functioning as a nozzle, a mixing passage in which an ejection refrigerant ejected from the nozzle passage and a suction refrigerant drawn through a suction passage are mixed together, and a diffuser passage that converts a kinetic energy of the refrigerant that has flowed out of the mixing passage into a pressure energy. The mixing passage has a shape gradually reducing in cross-sectional area toward a downstream side in the refrigerant flow.
Abstract translation: 在喷射器中，通道形成构件设置在主体内部，其中形成有空间。 在本体的内周面与通道形成构件之间设有用作喷嘴的喷嘴通道，将从喷嘴通道喷出的喷射制冷剂和通过吸入通道吸入的吸入制冷剂混合在一起的混合通道，以及 扩散器通道，其将从混合通道流出的制冷剂的动能转换成压力能量。 混合通道具有在制冷剂流中朝向下游侧逐渐减小的截面积的形状。
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公开(公告)号：US20150345840A1
公开(公告)日：2015-12-03
申请号：US14655745
申请日：2013-12-23
Applicant: DENSO CORPORATION
Inventor： Yoshiyuki YOKOYAMA , Haruyuki NISHIJIMA , Etsuhisa YAMADA , Daisuke NAKAJIMA
CPC classification number: F25B41/00 , B60H2001/3298 , F04F5/20 , F04F5/46 , F04F5/54 , F25B27/00 , F25B40/02 , F25B41/062 , F25B2327/001 , F25B2341/0012 , F25B2400/23 , F25B2500/18
Abstract: A body of an ejector includes a diffuser passage, in which an ejection refrigerant jetted from a nozzle passage and a suction refrigerant drawn from a suction passage are mixed together and pressurized by arranging a passage formation member, and a gas-liquid separation space, in which the refrigerant flowing out of the diffuser passage is separated into gas and liquid by the action of a centrifugal force. An inlet part of an oil return passage that is open in the gas-liquid separation space is arranged at a position closer to an outer peripheral side than to an axis center of the passage formation member.
Abstract translation: 喷射器体包括扩散通道，其中从喷嘴通道喷射的喷射制冷剂和从吸入通道抽吸的吸入制冷剂混合在一起并通过布置通道形成构件和气液分离空间而被加压， 通过离心力的作用将从扩散器通道流出的制冷剂分离成气体和液体。 在气液分离空间中开放的回油通路的入口部配置在比通道形成部件的轴心更靠外周侧的位置。
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