Patents by Inventor Shota UEDA
Shota UEDA 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: 20240140725Abstract: An article transport facility includes at least one transport vehicle, a travel path, a plurality of section control devices, and a superior control device. The travel path includes a plurality of recording points. The plurality of section control devices are each configured to (i) record a control state of the at least one transport vehicle at each recording point in a control region controlled by the section control device, as recording information associated with the each recording point, (ii) generate transmission information including a plurality of pieces of the recording information for the each recording point, and (iii) transmit the transmission information to the superior control device.Type: ApplicationFiled: October 24, 2023Publication date: May 2, 2024Inventors: Toshihito Ueda, Shota Inden, Akira Suzuki
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Patent number: 11939443Abstract: A polyphenylene ether resin composition includes (A) polyphenylene ether, and (B) a block copolymer including a butadiene block having a molar ratio of a 1,2-bonding structure to a 1,4-bonding structure of 80:20 to 100:0 and a styrene block. The number average molecular weight (Mn) of the component (A) may be 1,000 to 7,000, the weight ratio of the styrene block to the butadiene block in the component (B) may be 10:90 to 80:20, and the weight average molecular weight (Mw) of the component (B) may be 2,000 to 100,000.Type: GrantFiled: July 7, 2020Date of Patent: March 26, 2024Assignee: NIPPON SODA CO., LTD.Inventors: Shota Osumi, Izumi Tando, Hiroki Ueda, Yoshio Hayakawa
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Publication number: 20240011673Abstract: A refrigeration system utilizes a Brayton cycle which generates cold heat by using a refrigerant compressed by a compressor unit arranged on a refrigerant path. The compressor unit includes: a plurality of compressors arranged in parallel to each other on the refrigerant path; a plurality of first motors for driving the plurality of compressors, respectively; an expander-integrated compressor configured integrally with an expander; and a second motor for driving the expander-integrated compressor. The number of compressors is larger than the number of expander-integrated compressors.Type: ApplicationFiled: November 25, 2021Publication date: January 11, 2024Inventor: Shota UEDA
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Publication number: 20230417465Abstract: A refrigerator 1 of the present disclosure includes: at least two compressors, namely, a low-stage compressor C1 and a high-stage compressor C3; an expander T; a cooling part 2 for cooling a cooling object R2 with a refrigerant R1 expanded by the expander T; a refrigerant circulation line 8 for circulating the refrigerant; a bypass line 31 connected to a high-pressure line and a low-pressure line of the refrigerant circulation line 8; a bypass valve 32; a first temperature sensor 33 for detecting a temperature of the refrigerant R1 on an inlet side of the expander T or a second temperature sensor 34 for detecting the temperature of the refrigerant R1 on an outlet side of the expander T; and a controller 40 for controlling an opening degree of the bypass valve 32 and a rotation speed of the refrigerator 1 based on a detection result of the first temperature sensor 33 or the second temperature sensor 34.Type: ApplicationFiled: November 25, 2021Publication date: December 28, 2023Inventors: Masahiro SHIMODA, Shota UEDA, Akito MACHIDA, Mizuo KUDO, Hiroharu YAGUCHI
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Patent number: 10415857Abstract: A refrigerator according to the present invention includes: a cooling part for cooling an object to be cooled through heat exchange with a refrigerant; an expander-integrated compressor including a compressor for compressing the refrigerant and an expander for expanding the refrigerant integrated therein; and a refrigerant circulation line configured to circulate the refrigerant through the compressor, the expander, and the cooling part. The compressor includes a low-stage compressor, a middle-stage compressor, and a high-stage compressor disposed in series in the refrigerant circulation line.Type: GrantFiled: May 1, 2015Date of Patent: September 17, 2019Assignee: MAYEKAWA MFG. CO., LTD.Inventors: Shota Ueda, Akito Machida, Mizuo Kudo
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Patent number: 10168078Abstract: To provide a refrigeration system capable of being installed efficiently in a limited space while ensuring a good reliability, the refrigeration system according to the present invention comprises a refrigeration cycle having: a circulation path (101) in which a refrigerant flows; and at least one compressor (102) for compressing the refrigerant, a heat exchanger (103) for cooling the refrigerant compressed by the compressor, at least one expansion turbine (104) for expanding the refrigerant cooled by the heat exchanger to generate cold heat, and a cooling part (105) for cooling an object to be cooled by the cold heat, which are provided on the circulation path in order, wherein at least either the at least one compressor or the at least one expansion turbine comprises a plurality of compressors or expansion turbines which are arranged in parallel with one another with respect to the circulation path.Type: GrantFiled: March 20, 2014Date of Patent: January 1, 2019Assignee: MAYEKAWA MFG. CO., LTD.Inventors: Naoko Nakamura, Shunsuke Komatsu, Shota Ueda, Masao Komeda, Mizuo Kudo, Akito Machida
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Patent number: 9970449Abstract: An expander-integrated compressor is provided and includes: a motor; a compressor connected to an output shaft of the motor; an expander connected to the output shaft of the motor; a non-contact bearing disposed between the compressor and the expander; a casing; and an extraction line being in communicated with a region between the compressor and the expander in the internal space of the casing and extracts, from the region, the leakage fluid from the compressor side toward the expander side in the casing and to send the leakage fluid to a fluid line connected to the intake side or the discharge side of the compressor outside the casing. The casing seals the region from outside of the casing, thus the flow of the at least a part of the leakage fluid through the extraction line is the only flow of fluid between the region and the outside of the casing.Type: GrantFiled: October 9, 2014Date of Patent: May 15, 2018Assignee: MAYEKAWA MFG. CO., LTD.Inventors: Shota Ueda, Akito Machida, Mizuo Kudo
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Publication number: 20180087809Abstract: A refrigerator according to the present invention includes: a cooling part for cooling an object to be cooled through heat exchange with a refrigerant; an expander-integrated compressor including a compressor for compressing the refrigerant and an expander for expanding the refrigerant integrated therein; and a refrigerant circulation line configured to circulate the refrigerant through the compressor, the expander, and the cooling part. The compressor includes a low-stage compressor, a middle-stage compressor, and a high-stage compressor disposed in series in the refrigerant circulation line.Type: ApplicationFiled: May 1, 2015Publication date: March 29, 2018Applicant: MAYEKAWA MFG. CO., LTD.Inventors: Shota UEDA, Akito MACHIDA, Mizuo KUDO
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Patent number: 9863669Abstract: A Brayton cycle type refrigerating apparatus using multiple stages of compressors and having a good response without reduction in efficiency due to change in heat load of the object to be cooled is provided. The Brayton cycle type refrigerating apparatus includes on a refrigerant line on which multiple stages of compressors are arranged in series. The apparatus also includes a temperature sensor for detecting heat load of an object to be cooled and a buffer tank provided between a low pressure line and a high pressure line. A flow rate of the refrigerant in the refrigerant line is controlled by controlling opening degrees of valves to adjust the cooling capacity.Type: GrantFiled: March 20, 2014Date of Patent: January 9, 2018Assignee: MAYEKAWA MFG. CO., LTD.Inventors: Shota Ueda, Akito Machida, Mizuo Kudo, Naoko Nakamura
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Publication number: 20160265545Abstract: An expander-integrated compressor is provided and includes: a motor; a compressor connected to an output shaft of the motor; an expander connected to the output shaft of the motor; a non-contact bearing disposed between the compressor and the expander; a casing; and an extraction line being in communicated with a region between the compressor and the expander in the internal space of the casing and extracts, from the region, the leakage fluid from the compressor side toward the expander side in the casing and to send the leakage fluid to a fluid line connected to the intake side or the discharge side of the compressor outside the casing. The casing seals the region from outside of the casing, thus the flow of the at least a part of the leakage fluid through the extraction line is the only flow of fluid between the region and the outside of the casing.Type: ApplicationFiled: October 9, 2014Publication date: September 15, 2016Applicant: MAYEKAWA MFG. CO., LTD.Inventors: Shota UEDA, Akito MACHIDA, Mizuo KUDO
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Publication number: 20160076793Abstract: To provide a refrigeration system capable of being installed efficiently in a limited space while ensuring a good reliability, the refrigeration system according to the present invention comprises a refrigeration cycle having: a circulation path (101) in which a refrigerant flows; and at least one compressor (102) for compressing the refrigerant, a heat exchanger (103) for cooling the refrigerant compressed by the compressor, at least one expansion turbine (104) for expanding the refrigerant cooled by the heat exchanger to generate cold heat, and a cooling part (105) for cooling an object to be cooled by the cold heat, which are provided on the circulation path in order, wherein at least either the at least one compressor or the at least one expansion turbine comprises a plurality of compressors or expansion turbines which are arranged in parallel with one another with respect to the circulation path.Type: ApplicationFiled: March 20, 2014Publication date: March 17, 2016Applicant: MAYEKAWA MFG. CO., LTD.Inventors: Naoko NAKAMURA, Shunsuke KOMATSU, Shota UEDA, Masao KOMEDA, Mizuo KUDO, Akito MACHIDA
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Publication number: 20160018134Abstract: To provide a Brayton cycle type refrigerating apparatus using multiple stages of compressors and having a good response without reduction in efficiency due to change in heat load of the object to be cooled, the Brayton cycle type refrigerating apparatus (100) according to the present invention comprises, on a refrigerant line (101), multiple stages of compressors (102a, 102b, 102c), a temperature sensor (160) for detecting heat load of an object to be cooled, and a buffer tank (111) provided between a low pressure line (109) and a high pressure line (110), wherein a flow rate of the refrigerant in the refrigerant line is controlled by controlling opening degrees of valves (112, 113) to adjust the cooling capacity.Type: ApplicationFiled: March 20, 2014Publication date: January 21, 2016Inventors: Shota UEDA, Akito MACHIDA, Mizuo KUDO, Naoko NAKAMURA