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1. 发明授权

US4688392A Refrigeration unit including a hot gas defrosting system 失效
标题翻译：制冷单元包括热气除霜系统
公开(公告)号：US4688392A
公开(公告)日：1987-08-25
申请号：US857315
申请日：1986-04-30
申请人： Yuji Fujimoto , Masayuki Aono , Tsutomu Takei , Tetuo Nakano , Teiji Nakabayashi
发明人： Yuji Fujimoto , Masayuki Aono , Tsutomu Takei , Tetuo Nakano , Teiji Nakabayashi
IPC分类号： F25B47/02 , F25B41/00 , F25D21/06
CPC分类号： F25B47/022
摘要： A refrigeration unit comprising a cooling circuit having a compressor, a condenser and an evaporator, and said unit including a hot gas valve and a hot gas bypass passage bypassing the condenser and forming a defrost circuit, so that when the evaporator is frosted upon operation by means of the cooling circuit, constant quantity refrigerant is circulated around the defrost circuit to perform a defrosting operation.

2. 发明授权

US4602485A Refrigeration unit including a hot gas defrosting system 失效
标题翻译：制冷单元包括热气除霜系统
公开(公告)号：US4602485A
公开(公告)日：1986-07-29
申请号：US601014
申请日：1984-04-16
申请人： Yuji Fujimoto , Masayuki Aono , Tsutomu Takei , Tetuo Nakano , Teiji Nakabayashi
发明人： Yuji Fujimoto , Masayuki Aono , Tsutomu Takei , Tetuo Nakano , Teiji Nakabayashi
IPC分类号： F25B47/02 , F25B41/00 , F25B47/00
CPC分类号： F25B47/022
摘要： A refrigeration unit comprising a cooling circuit having a compressor, a condenser and an evaporator, and said unit including a hot gas valve and a hot gas bypass passage bypassing the condenser and forming a defrost circuit, so that when the evaporator is frosted upon operation by means of the cooling circuit, constant quantity refrigerant is circulated around the defrost circuit to perform a defrosting operation.
摘要翻译：一种制冷单元，包括具有压缩机，冷凝器和蒸发器的冷却回路，并且所述单元包括旁通冷凝器的热气阀和热气旁通通道，并形成除霜回路，使得当蒸发器在运行时结霜冷却回路的装置，恒定量的制冷剂在除霜回路周围循环，进行除霜运转。

3. 发明授权

US4542783A Refrigeration equipment 失效
标题翻译：制冷设备
公开(公告)号：US4542783A
公开(公告)日：1985-09-24
申请号：US530128
申请日：1983-09-07
申请人： Yuji Fujimoto , Masayuki Aono , Tetuo Nakano , Teiji Nakabayashi
发明人： Yuji Fujimoto , Masayuki Aono , Tetuo Nakano , Teiji Nakabayashi
IPC分类号： F25D11/00 , F25B1/00 , F25B41/04 , F25B49/02 , F25B29/00
CPC分类号： F25B49/02 , F25B41/04 , F25B2341/0661
摘要： A refrigeration equipment having a compressor, a condenser, an evaporator and a thermostatic expansion valve with an equalizer line and capable of controlling its refrigeration capacity, wherein incorporated are a hot gas by-pass passage and a hot gas valve installed thereon to introduce the hot gas into said evaporator by by-passing said condensor and thermostatic expansion valve, a control passage to introduce, during the hot gas by-pass operation, a portion of hot gas to said equalizer line and throttle the opening of said expansion valve and a communication shut-off valve to shut off, at the close of said hot gas valve, the communication between said control passage and equalizer line, whereby controlling the opening of said expansion valve in accordance with hot gas by-passed during the capacity control by use of hot gas, so that the control range of said refrigeration capacity can be extended.
摘要翻译：一种具有压缩机，冷凝器，蒸发器和具有均衡器管线并能够控制其制冷量的恒温膨胀阀的制冷设备，其中并入有热气旁通通道和安装在其上的热气阀以引入热气体通过旁路所述冷凝器和恒温膨胀阀进入所述蒸发器，控制通道在热气旁通操作期间将一部分热气体引入所述均衡管线并节流所述膨胀阀的开口，并且连通关闭阀，在所述热气阀关闭时切断所述控制通道与均衡管线之间的连通状态，由此在容量控制期间根据旁路中的热气控制所述膨胀阀的开度，热气，从而可以延长制冷量的控制范围。

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