Patents by Inventor Masakatsu Yamawaki
Masakatsu Yamawaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240060688Abstract: 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 medium-temperature-side refrigerant and the low-temperature-side refrigerant are the same refrigerant.Type: ApplicationFiled: January 26, 2021Publication date: February 22, 2024Applicant: SHINWA CONTROLS CO., LTDInventors: Masakatsu YAMAWAKI, Teiichirou UEDA
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Publication number: 20230376054Abstract: A temperature-controlled fluid circulation apparatus includes a flow path through which a fluid controlled by a temperature control unit is circulated via a fluid supply target; a three-way valve in the flow path downstream of the fluid supply target and upstream of a temperature control position by the temperature control unit, a part between two out of three ports constituting a part of the flow path; and a bypass flow path branching from the flow path downstream of the temperature control position by the temperature control unit and upstream of the fluid supply target, to be connected to one remaining port out of the three ports of the three-way valve. A pressure of the fluid flowing through the flow path at a position that is downstream of the fluid supply target and upstream of the three-way valve is detected by a pressure sensor.Type: ApplicationFiled: October 22, 2021Publication date: November 23, 2023Applicant: SHINWA CONTROLS CO., LTDInventors: Masakatsu YAMAWAKI, Teiichirou UEDA, Katsutoshi SAKAI, Shuya MATSUBAYASHI
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Patent number: 11566820Abstract: 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.Type: GrantFiled: January 25, 2021Date of Patent: January 31, 2023Assignee: Shinwa Controls Co., Ltd.Inventors: Masakatsu Yamawaki, Teiichirou Ueda
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Publication number: 20220307749Abstract: 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.Type: ApplicationFiled: August 6, 2021Publication date: September 29, 2022Applicant: SHINWA CONTROLS CO., LTDInventors: Masakatsu YAMAWAKI, Isamu SASAKI, Katsutoshi SAKAI, Keisuke SATO
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Patent number: 11067315Abstract: 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.Type: GrantFiled: March 1, 2019Date of Patent: July 20, 2021Assignee: Shinwa Controls Co., LtdInventors: Masakatsu Yamawaki, Teiichirou Ueda, Shigehiko Ono, Ryoji Ichiyama
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Publication number: 20210140685Abstract: 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.Type: ApplicationFiled: January 25, 2021Publication date: May 13, 2021Applicant: SHINWA CONTROLS CO., LTDInventors: Masakatsu YAMAWAKI, Teiichirou UEDA
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Publication number: 20210116151Abstract: 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.Type: ApplicationFiled: March 1, 2019Publication date: April 22, 2021Applicant: SHINWA CONTROLS CO., LTDInventors: Masakatsu YAMAWAKI, Teiichirou UEDA, Shigehiko ONO, Ryoji ICHIYAMA
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Patent number: 10928103Abstract: 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.Type: GrantFiled: June 5, 2020Date of Patent: February 23, 2021Assignee: Shinwa Controls Co., Ltd.Inventors: Masakatsu Yamawaki, Teiichirou Ueda
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Publication number: 20200300511Abstract: 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 (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).Type: ApplicationFiled: June 5, 2020Publication date: September 24, 2020Applicant: SHINWA CONTROLS CO., LTDInventors: Masakatsu YAMAWAKI, Teiichirou UEDA
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Patent number: 7846239Abstract: An automatic selector valve including a box body having an internal space portion, framed partition plates separating the space portion into four rooms, each framed partition plate having an opening portion, plate-shaped turnable valve bodies opening or closing the opening portions of the framed partition plates, an inflow port letting a gas flow in, an inflow/outflow port letting a gas flow in and flow out alternately, an outflow port letting a gas flow out through, and an inflow/outflow port letting a gas flow in and flow out alternately with the port, the ports provided in the separated four rooms, and a driving mechanism turning the plate-shaped turnable valve bodies about a rotation shaft.Type: GrantFiled: April 18, 2006Date of Patent: December 7, 2010Assignees: Nippon Shokubai Co., Ltd., Shinwa Controles Co., Ltd., Taisei CorporationInventors: Masakatsu Yamawaki, Toru Murota, Shinya Kitaguchi
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Publication number: 20090032129Abstract: Provided is an automatic four-port selector valve which is capable of controlling a variation in static pressure and a variation in flow rate induced in the switching of air or gas flow passages so that they are within tolerant accuracies, which is further capable of controlling a saliently appearing variation in pressure difference in a clean temperature-controlled/humidity-controlled air supply apparatus, a dry air supply apparatus, etc.Type: ApplicationFiled: April 18, 2006Publication date: February 5, 2009Applicants: Nippon Shokubai Co., Ltd., SHINWA CONTROLES CO., LTD., TAISEI CORPORATIONInventors: Masakatsu Yamawaki, Toru Murota, Shinya Kitaguchi
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Patent number: 4642467Abstract: An electron beam irradiation apparatus comprising an electron beam source which is capable of generating an electron beam and irradiating in one direction, a first magnet member having a through hole and being disposed to allow the electron beam irradiated from said electron beam source to pass therethrough, a second magnet member which is disposed opposing to the first magnet member through a gap which allows a target to pass therethrough and has the polarity different from that of the first magnet member, a target supporting/shifting means which allows the target to pass through said gap and cooling means which cools said both magnet members. A base material coated with a paste of magnetic particles is used as the target and vertical orientation of the magnetic particles and hardening of the paste can be simultaneously conducted.Type: GrantFiled: December 13, 1984Date of Patent: February 10, 1987Assignee: Nissin-High Voltage Co., Ltd.Inventors: Masakatsu Yamawaki, Isamu Sakamoto, Kenichi Mizusawa, Eiji Iwamoto