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1. 发明授权

US06438993B2 Ejector cycle system 有权
公开(公告)号：US06438993B2
公开(公告)日：2002-08-27
申请号：US09872379
申请日：2001-06-01
申请人： Hirotsugu Takeuchi , Yoshitaka Kume , Hiroshi Oshitani , Gota Ogata
发明人： Hirotsugu Takeuchi , Yoshitaka Kume , Hiroshi Oshitani , Gota Ogata
IPC分类号： F25B106
CPC分类号： F25B41/00 , B60H2001/3298 , F04F5/04 , F04F5/466 , F25B9/008 , F25B2309/06 , F25B2341/0012 , F25B2341/0013 , F25B2500/01 , F25B2500/18
摘要： In an ejector cycle system, a mixing portion of an ejector has a length in a refrigerant flow direction and an equivalent diameter, and a ratio of the length to the equivalent diameter of the mixing portion is equal to or smaller than 120. Further, a ratio of the equivalent diameter of the mixing portion to an equivalent diameter at an outlet of a nozzle of the ejector is in a range of 1.05-10. Accordingly, the ejector cycle system operates while a high ejector efficiency is maintained.

2. 发明授权

US07520142B2 Ejector type refrigerating cycle 有权
标题翻译：喷射式制冷循环
公开(公告)号：US07520142B2
公开(公告)日：2009-04-21
申请号：US11393037
申请日：2006-03-30
申请人： Mika Saito , Hirotsugu Takeuchi , Yoshiaki Takano , Hiroshi Oshitani , Naohisa Ishizaka , Gota Ogata , Takuo Maehara
发明人： Mika Saito , Hirotsugu Takeuchi , Yoshiaki Takano , Hiroshi Oshitani , Naohisa Ishizaka , Gota Ogata , Takuo Maehara
IPC分类号： F25B1/06
CPC分类号： B60H1/3211 , B60H2001/3297 , B60H2001/3298 , F25B5/02 , F25B5/04 , F25B6/04 , F25B40/00 , F25B41/00 , F25B2341/0012 , F25B2500/18
摘要： An ejector type refrigerating cycle comprises a compressor, a heat radiating device, an ejector, and a first vaporizing device, which are connected in a circuit to form a refrigerating cycle. A bypass passage is provided between an inlet port and a suction port of the ejector, so that a part of the refrigerant is bifurcated to flow through the bypass passage. A second vaporizing device is provided in the bypass passage. An internal heat exchanger is further provided between an outlet side of the heat radiating device and the inlet side of the ejector, so that the enthalpy of the high-pressure refrigerant from the heat radiating device is reduced, to thereby increase an enthalpy difference between the inlet side and outlet side of the first and second vaporizing devices. As a result, the cooling capability by the both vaporizing devices can be improved.
摘要翻译：喷射器型制冷循环包括压缩机，散热装置，喷射器和第一蒸发装置，其连接在电路中以形成制冷循环。旁通通道设置在喷射器的入口和吸入口之间，使得一部分制冷剂被分叉以流过旁路通道。第二蒸发装置设置在旁通通道中。在散热装置的出口侧和喷射器的入口侧之间还设置有内部热交换器，从而减少了来自散热装置的高压制冷剂的焓，从而增加了散热装置之间的焓差第一和第二蒸发装置的入口侧和出口侧。结果，可以提高两个汽化装置的冷却能力。

3. 发明申请

US20060218964A1 Ejector type refrigerating cycle 有权
公开(公告)号：US20060218964A1
公开(公告)日：2006-10-05
申请号：US11393037
申请日：2006-03-30
申请人： Mika Saito , Hirotsugu Takeuchi , Yoshiaki Takano , Hiroshi Oshitani , Naohisa Ishizaka , Gota Ogata , Takuo Maehara
发明人： Mika Saito , Hirotsugu Takeuchi , Yoshiaki Takano , Hiroshi Oshitani , Naohisa Ishizaka , Gota Ogata , Takuo Maehara
IPC分类号： F25B1/06
CPC分类号： B60H1/3211 , B60H2001/3297 , B60H2001/3298 , F25B5/02 , F25B5/04 , F25B6/04 , F25B40/00 , F25B41/00 , F25B2341/0012 , F25B2500/18
摘要： An ejector type refrigerating cycle comprises a compressor, a heat radiating device, an ejector, and a first vaporizing device, which are connected in a circuit to form a refrigerating cycle. A bypass passage is provided between an inlet port and a suction port of the ejector, so that a part of the refrigerant is bifurcated to flow through the bypass passage. A second vaporizing device is provided in the bypass passage. An internal heat exchanger is further provided between an outlet side of the heat radiating device and the inlet side of the ejector, so that the enthalpy of the high-pressure refrigerant from the heat radiating device is reduced, to thereby increase an enthalpy difference between the inlet side and outlet side of the first and second vaporizing devices. As a result, the cooling capability by the both vaporizing devices can be improved.

4. 发明授权

US07178360B2 Ejector 有权
标题翻译：喷射器
公开(公告)号：US07178360B2
公开(公告)日：2007-02-20
申请号：US11082930
申请日：2005-03-17
申请人： Gota Ogata , Hirotsugu Takeuchi , Yasuhiro Yamamoto
发明人： Gota Ogata , Hirotsugu Takeuchi , Yasuhiro Yamamoto
IPC分类号： F25B1/06
CPC分类号： F25B41/00 , F04F5/461 , F25B2341/0012 , F25B2500/01
摘要： The invention relates to a variable capacity type ejector capable of more precisely adjusting a flow rate of refrigerant in a range in which a displacement means can displace a needle and also capable of increasing a flow rate of refrigerant when the needle valve is fully opened. In the needle valve 24 which changes the degree of opening (throat portion area) of the nozzle 18 when the needle is displaced in the axial direction R of the throttle portion 18b, the second tapered portion 24b is formed on the throat portion 18a side of the first tapered portion 24a, and the taper angle θ2 of the second tapered portion 24b is formed larger than the taper angle θ1 of the first tapered portion 24a.
摘要翻译：本发明涉及一种可变容量型喷射器，其能够在一定范围内更精确地调节制冷剂的流量，其中位移装置可以移动针头，并且还能够在针阀完全打开时增加制冷剂的流量。在针阀24在节流部18b的轴向R移位时改变喷嘴18的开度（喉部面积）的针阀24中，第二锥形部24b形成在喉部18上第一锥形部分24a的一侧和第二锥形部分24b的锥角θ2形成为大于第一锥形部分24a的锥角θ1。

5. 发明授权

US06904769B2 Ejector-type depressurizer for vapor compression refrigeration system 有权
标题翻译：蒸气压缩式制冷系统喷射式减压器
公开(公告)号：US06904769B2
公开(公告)日：2005-06-14
申请号：US10437794
申请日：2003-05-14
申请人： Gota Ogata , Hirotsugu Takeuchi
发明人： Gota Ogata , Hirotsugu Takeuchi
IPC分类号： F04F5/04 , F04F5/46 , F25B41/00 , F25B1/06
CPC分类号： F04F5/04 , B60H2001/3298 , F04F5/461 , F25B41/00 , F25B2341/0012 , F25B2341/0013 , F25B2500/01
摘要： In an ejector-type depressurizer, a nozzle arrangement converts pressure energy of refrigerant supplied from a radiator into velocity energy to depressurize and expand the refrigerant, and a pressurizer arrangement mixes the refrigerant discharged from the nozzle arrangement with the refrigerant drawn from an evaporator and converts the velocity energy of the refrigerant discharged from the nozzle arrangement into pressure energy to increase the pressure of the mixed refrigerant discharged from the pressurizer arrangement. The pressurizer arrangement includes a refrigerant passage that conducts the refrigerant supplied from the nozzle arrangement and the refrigerant supplied from the evaporator, and the refrigerant passage includes a refrigerant passing zone, through which the refrigerant from the nozzle arrangement and the refrigerant from the evaporator mainly pass during operation of the ejector-type depressurizer. A cross sectional size of the refrigerant passing zone of the refrigerant passage is variable.
摘要翻译：在喷射式减压器中，喷嘴装置将从散热器供给的制冷剂的压力能量转换为速度能量，以使制冷剂减压和膨胀，并且加压装置将从喷嘴装置排出的制冷剂与从蒸发器抽出的制冷剂混合，从喷嘴装置排出的制冷剂的速度能量变为压力能量，以增加从加压装置排出的混合制冷剂的压力。该加压装置包括一个制冷剂通道，其传导从喷嘴装置供应的制冷剂和从蒸发器供应的制冷剂，并且制冷剂通道包括制冷剂通过区，来自喷嘴装置的制冷剂和来自蒸发器的制冷剂主要通过该制冷剂通过区在喷射式减压器的运行期间。制冷剂通道的制冷剂通过区域的横截面尺寸是可变的。

6. 发明授权

US06931887B2 Ejector decompression device 有权
公开(公告)号：US06931887B2
公开(公告)日：2005-08-23
申请号：US10921034
申请日：2004-08-18
申请人： Gota Ogata , Hirotsugu Takeuchi , Yasuhiro Yamamoto
发明人： Gota Ogata , Hirotsugu Takeuchi , Yasuhiro Yamamoto
IPC分类号： F25B1/00 , F25B9/00 , F25B41/00 , F25B1/06
CPC分类号： F25B9/008 , F25B41/00 , F25B2309/061 , F25B2339/047 , F25B2341/0012 , F25B2500/01
摘要： An ejector decompression device for a refrigerant cycle includes a nozzle which decompresses refrigerant flowing out of a refrigerant radiator, and a pressure increasing portion which increases a pressure of refrigerant while refrigerant jetted from the nozzle and refrigerant drawn from an evaporator are mixed. In the ejector cycle, a coaxial degree of the nozzle with respect to the pressure increasing portion is in a range between 0-30% of an inlet diameter of the pressure increasing portion. Alternatively, the pressure increasing portion has a taper portion at least in a predetermined range from the inlet of the pressure increasing portion, and the taper portion is provided to increase a passage sectional area from the inlet of the pressure increasing portion. Accordingly, collision of high-speed refrigerant jetted from the nozzle to an inner wall surface of the pressure increasing portion can be restricted.

7. 发明申请

US20050044881A1 Ejector decompression device 有权
标题翻译：喷射器减压装置
公开(公告)号：US20050044881A1
公开(公告)日：2005-03-03
申请号：US10921034
申请日：2004-08-18
申请人： Gota Ogata , Hirotsugu Takeuchi , Yasuhiro Yamamoto
发明人： Gota Ogata , Hirotsugu Takeuchi , Yasuhiro Yamamoto
IPC分类号： F25B1/00 , F25B9/00 , F25B41/00 , F25B1/06
CPC分类号： F25B9/008 , F25B41/00 , F25B2309/061 , F25B2339/047 , F25B2341/0012 , F25B2500/01
摘要： An ejector decompression device for a refrigerant cycle includes a nozzle which decompresses refrigerant flowing out of a refrigerant radiator, and a pressure increasing portion which increases a pressure of refrigerant while refrigerant jetted from the nozzle and refrigerant drawn from an evaporator are mixed. In the ejector cycle, a coaxial degree of the nozzle with respect to the pressure increasing portion is in a range between 0-30% of an inlet diameter of the pressure increasing portion. Alternatively, the pressure increasing portion has a taper portion at least in a predetermined range from the inlet of the pressure increasing portion, and the taper portion is provided to increase a passage sectional area from the inlet of the pressure increasing portion. Accordingly, collision of high-speed refrigerant jetted from the nozzle to an inner wall surface of the pressure increasing portion can be restricted.
摘要翻译：用于制冷剂循环的喷射减压装置包括对从制冷剂散热器流出的制冷剂进行减压的喷嘴和在从喷嘴喷出的制冷剂和从蒸发器吸入的制冷剂混合的同时增加制冷剂的压力的增压部。在排出器周期中，喷嘴相对于增压部分的同轴度在加压部分的入口直径的0-30％之间的范围内。或者，增压部具有至少在从增压部的入口的预定范围内的锥形部，并且锥形部设置成增加从增压部的入口的通道截面面积。因此，可以限制从喷嘴喷射的高速制冷剂与增压部的内壁面的碰撞。

8. 发明授权

US07143602B2 Ejector-type depressurizer for vapor compression refrigeration system 有权
公开(公告)号：US07143602B2
公开(公告)日：2006-12-05
申请号：US11110605
申请日：2005-04-20
申请人： Gota Ogata , Hirotsugu Takeuchi
发明人： Gota Ogata , Hirotsugu Takeuchi
IPC分类号： F25B1/06
CPC分类号： F04F5/04 , B60H2001/3298 , F04F5/461 , F25B41/00 , F25B2341/0012 , F25B2341/0013 , F25B2500/01
摘要： In an ejector-type depressurizer, a nozzle arrangement converts pressure energy of refrigerant supplied from a radiator into velocity energy to depressurize and expand the refrigerant, and a pressurizer arrangement mixes the refrigerant discharged from the nozzle arrangement with the refrigerant drawn from an evaporator and converts the velocity energy of the refrigerant discharged from the nozzle arrangement into pressure energy to increase the pressure of the mixed refrigerant discharged from the pressurizer arrangement. The pressurizer arrangement includes a refrigerant passage that conducts the refrigerant supplied from the nozzle arrangement and the refrigerant supplied from the evaporator, and the refrigerant passage includes a refrigerant passing zone, through which the refrigerant from the nozzle arrangement and the refrigerant from the evaporator mainly pass during operation of the ejector-type depressurizer. A cross sectional size of the refrigerant passing zone of the refrigerant passage is variable.

9. 发明申请

US20050204771A1 Ejector 有权
标题翻译：喷射器
公开(公告)号：US20050204771A1
公开(公告)日：2005-09-22
申请号：US11082930
申请日：2005-03-17
申请人： Gota Ogata , Hirotsugu Takeuchi , Yasuhiro Yamamoto
发明人： Gota Ogata , Hirotsugu Takeuchi , Yasuhiro Yamamoto
IPC分类号： F04F5/14 , A61M31/00 , F04F5/02 , F04F5/44 , F04F5/46 , F04F5/48 , F04F5/54 , F25B1/00 , F25B1/06 , F25B9/08 , F25B41/00 , F25B43/00
CPC分类号： F25B41/00 , F04F5/461 , F25B2341/0012 , F25B2500/01
摘要： The invention relates to a variable capacity type ejector capable of more precisely adjusting a flow rate of refrigerant in a range in which a displacement means can displace a needle and also capable of increasing a flow rate of refrigerant when the needle valve is fully opened. In the needle valve 24 which changes the degree of opening (throat portion area) of the nozzle 18 when the needle is displaced in the axial direction R of the throttle portion 18b, the second tapered portion 24b is formed on the throat portion 18a side of the first tapered portion 24a, and the taper angle θ2 of the second tapered portion 24b is formed larger than the taper angle θ1 of the first tapered portion 24a.
摘要翻译：本发明涉及一种可变容量型喷射器，其能够在一定范围内更精确地调节制冷剂的流量，其中位移装置可以移动针头，并且还能够在针阀完全打开时增加制冷剂的流量。在针阀24在节流部18b的轴向R移位时改变喷嘴18的开度（喉部面积）的针阀24中，第二锥形部24b形成在喉部18上第一锥形部分24a的一侧和第二锥形部分24b的锥角θ2形成为大于第一锥形部分24a的锥角θ1。

10. 发明申请

US20050183448A1 Ejector-type depressurizer for vapor compression refrigeration system 有权
公开(公告)号：US20050183448A1
公开(公告)日：2005-08-25
申请号：US11110605
申请日：2005-04-20
申请人： Gota Ogata , Hirotsugu Takeuchi
发明人： Gota Ogata , Hirotsugu Takeuchi
IPC分类号： F04F5/04 , F04F5/46 , F25B41/00 , F25B1/06
CPC分类号： F04F5/04 , B60H2001/3298 , F04F5/461 , F25B41/00 , F25B2341/0012 , F25B2341/0013 , F25B2500/01
摘要： In an ejector-type depressurizer, a nozzle arrangement converts pressure energy of refrigerant supplied from a radiator into velocity energy to depressurize and expand the refrigerant, and a pressurizer arrangement mixes the refrigerant discharged from the nozzle arrangement with the refrigerant drawn from an evaporator and converts the velocity energy of the refrigerant discharged from the nozzle arrangement into pressure energy to increase the pressure of the mixed refrigerant discharged from the pressurizer arrangement. The pressurizer arrangement includes a refrigerant passage that conducts the refrigerant supplied from the nozzle arrangement and the refrigerant supplied from the evaporator, and the refrigerant passage includes a refrigerant passing zone, through which the refrigerant from the nozzle arrangement and the refrigerant from the evaporator mainly pass during operation of the ejector-type depressurizer. A cross sectional size of the refrigerant passing zone of the refrigerant passage is variable.

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