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1. 发明授权

US10928103B2 Fluid temperature control system and refrigeration apparatus 有权
公开(公告)号：US10928103B2
公开(公告)日：2021-02-23
申请号：US16893535
申请日：2020-06-05
申请人： SHINWA CONTROLS CO., LTD
发明人： Masakatsu Yamawaki , Teiichirou Ueda
IPC分类号： F25B7/00
摘要： A fluid temperature control system according to an embodiment cools a fluid by means of a multiple refrigeration apparatus including a high-temperature-side refrigerator, a medium-temperature-side refrigerator and a low-temperature-side refrigerator. The medium-temperature-side refrigerator in the multiple refrigeration apparatus has a medium-temperature-side first evaporator and a medium-temperature-side second evaporator. A high-temperature-side evaporator of the high-temperature-side refrigerator and a medium-temperature-side condenser of the medium-temperature-side refrigerator constitute a first cascade condenser. The medium-temperature-side second evaporator of the medium-temperature-side refrigerator and a low-temperature-side condenser of the low-temperature-side refrigerator constitute a second cascade condenser. The fluid allowed to flow by a fluid flow apparatus is cooled by the medium-temperature-side first evaporator of the medium-temperature-side refrigerator, and is then cooled by the low-temperature-side evaporator of the low-temperature-side refrigerator.

2. 发明授权

US11067315B2 Temperature control system 有权
公开(公告)号：US11067315B2
公开(公告)日：2021-07-20
申请号：US16606444
申请日：2019-03-01
申请人： SHINWA CONTROLS CO., LTD
发明人： Masakatsu Yamawaki , Teiichirou Ueda , Shigehiko Ono , Ryoji Ichiyama
IPC分类号： F25B7/00 , F25B1/10 , F25B5/02
摘要： A temperature control system includes: first and second refrigerator units; a first fluid flow apparatus that allows a first fluid to flow therethrough and that is cooled by the first refrigerator unit; a second fluid flow apparatus that allows a second fluid to flow therethrough and that is cooled by the second refrigerator unit; and a valve unit that is configured to allow the first fluid or the second fluid to selectively flow out therefrom. The first refrigerator unit has, in a medium-temperature-side refrigerator, a medium-temperature-side first expansion valve and a medium-temperature-side second expansion valve. A medium-temperature-side second evaporator corresponding to the medium-temperature-side second expansion valve and a low-temperature-side condenser of a low-temperature-side refrigerator constitute a cascade condenser. The first fluid is cooled by a medium-temperature-side first evaporator corresponding to the medium-temperature-side first expansion valve, and is then cooled by a low-temperature-side evaporator of the low-temperature-side refrigerator.

3. 发明授权

US11566820B2 Fluid temperature control system 有权
公开(公告)号：US11566820B2
公开(公告)日：2023-01-31
申请号：US17157010
申请日：2021-01-25
申请人： SHINWA CONTROLS CO., LTD
发明人： Masakatsu Yamawaki , Teiichirou Ueda
IPC分类号： F25B5/02 , F25B7/00 , F25B25/00 , F25B41/20 , F25B49/02 , F25B6/04 , F25B6/02 , F25B31/00
摘要： A fluid temperature control system cools a fluid by means of a multiple refrigeration apparatus including a high-temperature-side refrigerator (100), a medium-temperature-side refrigerator (200) and a low-temperature-side refrigerator (300). The medium-temperature-side refrigerator (200) in the multiple refrigeration apparatus has a medium-temperature-side first evaporator (204) and a medium-temperature-side second evaporator (224). A high-temperature-side evaporator (104) of the high-temperature-side refrigerator (100) and a medium-temperature-side condenser (202) of the medium-temperature-side refrigerator (200) constitute a first cascade condenser (CC1). The medium-temperature-side second evaporator (224) of the medium-temperature-side refrigerator (200) and a low-temperature-side condenser (302) of the low-temperature-side refrigerator (300) constitute a second cascade condenser (CC2). The medium-temperature-side refrigerant and the low-temperature-side refrigerant are the same refrigerant. The fluid allowed to flow by a fluid flow apparatus is cooled by the medium-temperature-side first evaporator (204) of the medium-temperature-side refrigerator (200), and is then cooled by the low-temperature-side evaporator (304) of the low-temperature-side refrigerator (300).

4. 发明授权

US12135155B2 Temperature control system and control method of temperature control system 有权
公开(公告)号：US12135155B2
公开(公告)日：2024-11-05
申请号：US17596335
申请日：2021-08-06
申请人： SHINWA CONTROLS CO., LTD
发明人： Masakatsu Yamawaki , Isamu Sasaki , Katsutoshi Sakai , Keisuke Sato
IPC分类号： B25B29/00 , F25B39/00 , F25B40/06 , F25B49/02
CPC分类号： F25B49/02 , F25B39/00 , F25B40/06 , F25B2400/01 , F25B2600/21 , F25B2700/2103
摘要： A temperature control system according to one embodiment includes: a refrigeration apparatus in which a compressor, a condenser, an expansion valve and an evaporator are connected in this order for circulating a refrigerant; a fluid circulation apparatus that causes a fluid to be heat-exchanged in the evaporator, then sends the fluid to a temperature control object, and again causes the fluid having passed through the temperature control object to be heat-exchanged in the evaporator, the fluid circulation apparatus having a heater at a position downstream of the temperature control object and upstream of the evaporator; and a control apparatus. The control apparatus activates the heater to heat the fluid by the heater, when the fluid circulation apparatus has become in a no-load operation state or a no-load-operation transition operation state, wherein the no-load operation state is a state in which the fluid and the temperature control object do not heat-exchange, the no-load-operation transition operation state is a state that is in transition to the no-load operation state.

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