Patents by Inventor Susumu Terada
Susumu Terada 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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Patent number: 11519678Abstract: A heat exchanger includes a heat exchanger body having a plurality of layer portions each having a plurality of flow paths, and having a configuration in which adjacent layer portions are joined to each other, an inflow header being configured that a fluid is introduced into the inflow header to flow into the plurality of flow paths, an outflow header being configured that a fluid flowing through the plurality of flow paths merges, a cover portion covering all joint portions of the adjacent layer portions or all joint portions of components of layer portions, the joint portions exposed on an outer surface of the heat exchanger body at a portion other than a portion where the inflow header and the outflow header are disposed, and a lead-out portion connected to the cover portion and forming an internal flow path communicating with a space between the cover portion and the heat exchanger body. The lead-out portion is configured to emit a fluid to a predetermined region set in advance.Type: GrantFiled: September 3, 2019Date of Patent: December 6, 2022Assignee: Kobe Steel, Ltd.Inventors: Kenichiro Mitsuhashi, Takashi Kogushi, Masato Yamada, Susumu Terada, Koji Noishiki
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Publication number: 20210199392Abstract: A heat exchanger includes a heat exchanger body having a plurality of layer portions each having a plurality of flow paths, and having a configuration in which adjacent layer portions are joined to each other, an inflow header being configured that a fluid is introduced into the inflow header to flow into the plurality of flow paths, an outflow header being configured that a fluid flowing through the plurality of flow paths merges, a cover portion covering all joint portions of the adjacent layer portions or all joint portions of components of layer portions, the joint portions exposed on an outer surface of the heat exchanger body at a portion other than a portion where the inflow header and the outflow header are disposed, and a lead-out portion connected to the cover portion and forming an internal flow path communicating with a space between the cover portion and the heat exchanger body. The lead-out portion is configured to emit a fluid to a predetermined region set in advance.Type: ApplicationFiled: September 3, 2019Publication date: July 1, 2021Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)Inventors: Kenichiro MITSUHASHI, Takashi KOGUSHI, Masato YAMADA, Susumu TERADA, Koji NOISHIKI
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Patent number: 9178394Abstract: A rotor includes a laminated core, a plurality of magnets, and a resin portion. The laminated core includes a plurality of outer core portions arranged in a circumferential direction. The plurality of outer core portions and the plurality of magnets are alternately arranged in the circumferential direction. In addition, the outer core portion includes a through-hole that penetrates in an axial direction. The resin portion includes a columnar portion that is disposed inside the through-hole. Accordingly, the rigidity of the resin portion is enhanced. In addition, the resin portion includes a gate mark portion. At least a portion of the gate mark portion is positioned farther radially inward than the through-hole.Type: GrantFiled: January 7, 2013Date of Patent: November 3, 2015Assignee: Nidec CorporationInventors: Kyohei Asahi, Kenichiro Hamagishi, Kuniaki Tanaka, Susumu Terada
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Patent number: 8985192Abstract: A plate fin heat exchanger of the present invention includes a heat exchange part including a heat exchange part main body including layers of plural flow passages, and heat transfer members each of which is disposed within each flow passage of the heat exchange part main body to transfer the heat of fluid flowing in each of the flow passages to each partition walls opposed across the flow passage; and sensing parts connected to both the outsides of the heat exchange part respectively. Each of the sensing parts includes plural sealed spaces, and a sensor wall disposed to separate the outermost sealed space from the sealed space on the inner side thereof. The plate fin heat exchanger further includes a detection means for detecting damage of the sensor wall of the sensing part. According to such a structure, external leak of the fluid performing the heat exchange can be prevented while suppressing deterioration of performance or increase in size or weight.Type: GrantFiled: March 29, 2010Date of Patent: March 24, 2015Assignee: Kobe Steel, Ltd.Inventors: Kenichiro Mitsuhashi, Susumu Terada, Koji Noishiki
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Patent number: 8922083Abstract: A laminated core of a rotor includes an inner core portion and a plurality of outer core portions. The inner core portion axially extends in a cylindrical shape in a region located more radially inward than magnets. The outer core portions are arranged in a circumferential direction in a region located more radially outward than the inner core portion. The plurality of outer core portions and a plurality of the magnets are alternately arranged in the circumferential direction. Accordingly, magnetic flux generated from a pair of magnetic pole surfaces of the plurality of magnets can be effectively used. In addition, the laminated core includes caulking portions in each of the inner core portion and the plurality of outer core portions. Accordingly, a plurality of thin plate cores are firmly fixed.Type: GrantFiled: January 7, 2013Date of Patent: December 30, 2014Assignee: Nidec CorporationInventors: Kyohei Asahi, Kenichiro Hamagishi, Kuniaki Tanaka, Susumu Terada
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Patent number: 8720735Abstract: A pressure vessel, including: a body portion; and an inclined nozzle projecting from the body portion along an axis inclined relative to an inner surface of the body portion, wherein: a through hole of a circular section is formed through both the body portion and the inclined nozzle. At an intersecting portion between the inner surface of the body portion and a surface surrounding the through hole, there are formed round portions. The radius of each of the round portions at two positions in a major axis direction is smaller than the radius of each of round portions.Type: GrantFiled: October 4, 2011Date of Patent: May 13, 2014Assignee: Kobe Steel, Ltd.Inventors: Susumu Terada, Tatsuo Nishihara, Yukihiro Fukada
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Publication number: 20140042834Abstract: A rotor includes a laminated core, a plurality of magnets, and a resin portion. The laminated core includes a plurality of outer core portions arranged in a circumferential direction. The plurality of outer core portions and the plurality of magnets are alternately arranged in the circumferential direction. In addition, the outer core portion includes a through-hole that penetrates in an axial direction. The resin portion includes a columnar portion that is disposed inside the through-hole. Accordingly, the rigidity of the resin portion is enhanced. In addition, the resin portion includes a gate mark portion. At least a portion of the gate mark portion is positioned farther radially inward than the through-hole.Type: ApplicationFiled: January 7, 2013Publication date: February 13, 2014Applicant: NIDEC CORPORATIONInventors: Kyohei ASAHI, Kenichiro HAMAGISHI, Kuniaki TANAKA, Susumu TERADA
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Publication number: 20140042854Abstract: A laminated core of a rotor includes an inner core portion and a plurality of outer core portions. The inner core portion axially extends in a cylindrical shape in a region located more radially inward than magnets. The outer core portions are arranged in a circumferential direction in a region located more radially outward than the inner core portion. The plurality of outer core portions and a plurality of the magnets are alternately arranged in the circumferential direction. Accordingly, magnetic flux generated from a pair of magnetic pole surfaces of the plurality of magnets can be effectively used. In addition, the laminated core includes caulking portions in each of the inner core portion and the plurality of outer core portions. Accordingly, a plurality of thin plate cores are firmly fixed.Type: ApplicationFiled: January 7, 2013Publication date: February 13, 2014Applicant: NIDEC CORPORATIONInventors: Kyohei ASAHI, Kenichiro HAMAGISHI, Kuniaki TANAKA, Susumu TERADA
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Publication number: 20120091152Abstract: A pressure vessel, including: a body portion; and an inclined nozzle projecting from the body portion along an axis inclined relative to an inner surface of the body portion, wherein: a through hole of a circular section is formed through both the body portion and the inclined nozzle. At an intersecting portion between the inner surface of the body portion and a surface surrounding the through hole, there are formed round portions. The radius of each of the round portions at two positions in a major axis direction is smaller than the radius of each of round portions.Type: ApplicationFiled: October 4, 2011Publication date: April 19, 2012Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.)Inventors: Susumu TERADA, Tatsuo Nishihara, Yukihiro Fukada
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Publication number: 20100263823Abstract: A plate fin heat exchanger of the present invention includes a heat exchange part including a heat exchange part main body including layers of plural flow passages, and heat transfer members each of which is disposed within each flow passage of the heat exchange part main body to transfer the heat of fluid flowing in each of the flow passages to each partition walls opposed across the flow passage; and sensing parts connected to both the outsides of the heat exchange part respectively. Each of the sensing parts includes plural sealed spaces, and a sensor wall disposed to separate the outermost sealed space from the sealed space on the inner side thereof. The plate fin heat exchanger further includes a detection means for detecting damage of the sensor wall of the sensing part. According to such a structure, external leak of the fluid performing the heat exchange can be prevented while suppressing deterioration of performance or increase in size or weight.Type: ApplicationFiled: March 29, 2010Publication date: October 21, 2010Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd)Inventors: Kenichiro Mitsuhashi, Susumu Terada, Koji Noishiki
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Patent number: 7346975Abstract: A method of manufacturing a stator core for an inner rotor type of motor. The core back of the stator core in the motor has an arc shaped inner circumferential surface therein that is offset from the center thereof. The stator core is produced from a laminated body having a stator core, a chuck frame that is integral with and surrounds the stator core, and connector arms that connect the stator core and the chuck frame and integral therewith. After the windings are wound around the stator teeth, the stator core is cut from each connecting arm and the stator core is removed from the chuck frame.Type: GrantFiled: September 30, 2005Date of Patent: March 25, 2008Assignee: Nidec CorporationInventors: Yoshio Fujii, Susumu Terada
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Publication number: 20060010682Abstract: A recording disk drive motor is disclosed which is employed in a recording disk drive that retains a removable recording disk that has a diameter of 30 mm or less, as well as a method of manufacturing a stator core used in the same. The core back of the stator core in the motor has an arc shaped inner circumferential surface therein that is offset from the center thereof. The stator core is produced from a laminated body having a stator core, a chuck frame that is integral with and surrounds the stator core, and connector arms that connect the stator core and the chuck frame and integral therewith. After the windings are wound around the stator teeth, the stator core is cut from each connecting arm and the stator core is removed from the chuck frame.Type: ApplicationFiled: September 30, 2005Publication date: January 19, 2006Applicant: NIDEC CORPORATIONInventors: Yoshio Fujii, Susumu Terada
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Patent number: 6982513Abstract: A recording disk drive motor is disclosed which is employed in a recording disk drive that retains a removable recording disk that has a diameter of 30 mm or less, as well as a method of manufacturing a stator core used in the same. The core back of the stator core in the motor has an arc shaped inner circumferential surface therein that is offset from the center thereof. The stator core is produced from a laminated body having a stator core, a chuck frame that is integral with and surrounds the stator core, and connector arms that connect the stator core and the chuck frame and integral therewith. After the windings are wound around the stator teeth, the stator core is cut from each connecting arm and the stator core is removed from the chuck frame.Type: GrantFiled: May 20, 2003Date of Patent: January 3, 2006Assignee: Nidec CorporationInventors: Yoshio Fujii, Susumu Terada, Masato Yamamoto, Yosuke Yamada
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Publication number: 20040061404Abstract: A recording disk drive motor is disclosed which is employed in a recording disk drive that retains a removable recording disk that has a diameter of 30 mm or less, as well as a method of manufacturing a stator core used in the same. The core back of the stator core in the motor has an arc shaped inner circumferential surface therein that is offset from the center thereof. The stator core is produced from a laminated body having a stator core, a chuck frame that is integral with and surrounds the stator core, and connector arms that connect the stator core and the chuck frame and integral therewith. After the windings are wound around the stator teeth, the stator core is cut from each connecting arm and the stator core is removed from the chuck frame.Type: ApplicationFiled: May 20, 2003Publication date: April 1, 2004Applicant: NIDEC CORPORATIONInventors: Yoshio Fujii, Susumu Terada, Masato Yamamoto, Yosuke Yamada
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Patent number: 6367265Abstract: Disclosed are a method and a device for effectively restraining the generation of thermal stress when effecting slow cooling at the time of starting, etc. of a heat exchanger for heating a low temperature liquid. In a method for effecting slow cooling in a heat exchanger equipped with an inlet chamber into which a low temperature liquid is introduced, the low temperature liquid is sprinkled in the inlet chamber at a lower flow rate during slow cooling than during normal operation. A slow cooling device is equipped with a slow cooling LNG supplying means having a sprinkling means for sprinkling the low temperature liquid.Type: GrantFiled: June 2, 2000Date of Patent: April 9, 2002Assignee: Kabushiki Kaisha Kobe Seiko Sho.Inventors: Shuji Yamamoto, Yasuhiro Ueno, Susumu Terada, Kozo Nakaoki, Kuniteru Sugino
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Patent number: 4980587Abstract: A spindle motor comprises a central shaft, a hub rotatable about the shaft and having a central bore which is open at one end, a first bearing fitted in the bore to surround the shaft, a second bearing disposed within the bore to surround the shaft and axially spaced from the first bearing to be positioned closer to the open end of the bore, and an auxiliary bush fitted in the bore to fittingly receive the second bearing. The bush has an inward flange axially interposed between the first and second bearings. The flange provides a first surface in face-to-face contact with an outer race of the first bearing. The flange further provides a second surface parallel to the first surface and in face-to-face contact with an outer race of the second bearing.Type: GrantFiled: June 5, 1989Date of Patent: December 25, 1990Assignee: Nippon Densan CorporationInventors: Hiroyuki Yonei, Yoshito Oku, Susumu Terada