Patents Assigned to Toshiba Industrial Products and Systems Corp.
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Publication number: 20220051840Abstract: An iron core (1, 11, 31) for a stationary induction apparatus according to one embodiment is configured by laminating a plurality of electromagnetic steel plates (5, 16, 33). The electromagnetic steel plates are laminated so that joint parts (6, 17, 18, 32), at which the end portions of the electromagnetic steel plates abut one another, are disposed in a staggered manner; and the electromagnetic steel plates are provided with a magnetic domain fine differentiation processed part (7, 19, 34), which is located on the portion, of a surface of the end portion of each of the electromagnetic steel plates, lapped with the joint part of another electromagnetic steel plate, and which has been subjected to warping-derived magnetic domain fine differentiation.Type: ApplicationFiled: November 6, 2019Publication date: February 17, 2022Applicant: TOSHIBA INDUSTRIAL PRODUCTS AND SYSTEMS CORP.Inventors: Tsuyoshi MASUDA, Eiji SHIMOMURA, Masato ENOKIZONO
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Patent number: 11232892Abstract: A coil of an embodiment is formed by winding a winding conductor in which a conductive conductor is molded by a resin, wherein the winding conductor has the resin filled to a surface of the conductor without leaving any spaces.Type: GrantFiled: August 31, 2018Date of Patent: January 25, 2022Assignee: TOSHIBA INDUSTRIAL PRODUCTS AND SYSTEMS CORP.Inventors: Hiromu Shiota, Eiji Shimomura, Keishi Ito, Hiroshi Goto, Teruhiko Maeda, Yuusuke Shima
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Publication number: 20210391111Abstract: In a stacked core (1, 21) for a stationary induction apparatus according to an embodiment, joint surfaces where yoke portions (2, 3, 12, 22, 23) and leg portions (4, 5, 6, 11, 24, 25, 26) are joined have protrusions (8, 13) formed from a plurality of magnetic members (7), and recesses (9, 14) formed from a plurality of magnetic members alternately, and the yoke portions and the leg portions are configured to be butted in such a form that the protrusions and the recesses mesh with each other, sheet-like magnetic insulators (10, 15) are each disposed in a butt-joint portion between the protrusions and the recesses in such a form as to bend in a bellows shape along a butt line, and an air gap is provided, and in a relationship between the number of the stacked magnetic members forming each of the protrusions and the number of the stacked magnetic members forming each of the recesses, the number of the stacked magnetic members forming each of the protrusions is made smaller than the number of the stacked magneticType: ApplicationFiled: November 1, 2018Publication date: December 16, 2021Applicant: Toshiba Industrial Products and Systems Corp.Inventors: Yuusuke SHIMA, Hiromu SHIOTA
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Patent number: 10935414Abstract: A liquid level indicating device includes a moving member which is arranged in a liquid tank storing a cooling liquid and moves vertically in conjunction with variation in a liquid level of the cooling liquid, a string member having one end portion connected to the moving member, the string member being configured to be bendable and non-extendable in a longitudinal direction, an indicator connected to the other end portion of the string member and which indicates a height position of the moving member as a remaining amount of the cooling liquid by operating in conjunction with movement of the moving member through the string member, and a tube member which is configured to be bendable and non-extendable in the longitudinal direction, has the string member passed therethrough, and connects the liquid tank and the indicator.Type: GrantFiled: December 21, 2018Date of Patent: March 2, 2021Assignee: TOSHIBA INDUSTRIAL PRODUCTS AND SYSTEMS CORPInventors: Hiromu Shiota, Shota Ikeda, Midori Yamashita, Yosuke Takai, Kazuaki Ito
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Patent number: 10532387Abstract: A method of progressive processing includes feeding a strip-shaped sheet to a press machine; pressing the strip-shaped sheet with the press machine; and joining the strip-shaped sheet with a new strip-shaped sheet by applying a tape over an end of the strip-shaped sheet located in a direction opposite a direction in which the strip-shaped sheet is fed and an end of the new strip-shaped sheet located in a direction in which the new strip-shaped sheet is fed.Type: GrantFiled: August 5, 2015Date of Patent: January 14, 2020Assignee: TOSHIBA INDUSTRIAL PRODUCTS AND SYSTEMS CORP.Inventors: Yoshihiro Tsukamoto, Youichi Seo, Toyonobu Yamada, Chidai Isaka
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Patent number: 10381151Abstract: The coupling coil structure, which is provided with a plurality of primary coils formed by winding a conductor wire and a plurality of secondary coils provided so as to generate mutual inductance with the plurality of primary coils and in which, among the plurality of primary coils, one primary coil is tapped at an intermediate portion thereof by another primary coil at right angles, is characterized in that, among the plurality of secondary coils, a secondary coil in mutual inductance with the one primary coil is constituted into a coupling coil by one conductor having a width at least the size in the axial direction of the primary coil.Type: GrantFiled: March 29, 2016Date of Patent: August 13, 2019Assignee: TOSHIBA INDUSTRIAL PRODUCTS AND SYSTEMS CORP.Inventor: Hiromu Shiota
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Patent number: 10369615Abstract: A method of joining strip-shaped sheets includes a support step of placing a support member in contact with a reverse feed direction end of a strip-shaped sheet fed to a pressing machine and a feed direction end of a new strip-shaped sheet, and a joining step of joining the new strip-shaped sheet to the strip-shaped sheet by attaching a tape on the reverse feed direction end of the strip-shaped sheet and the feed direction end of the new strip-shaped sheet, wherein in the joining step, the tape is attached from a side opposite the support member with the support member placed in contact with the reverse feed direction end of the strip-shaped sheet and the feed direction end of the new strip-shaped sheet. The problem of the variation in welding quality encountered when welding thin and wide strip-shaped sheets together is resolved and the strip-shaped sheet is fed smoothly.Type: GrantFiled: February 9, 2016Date of Patent: August 6, 2019Assignee: Toshiba Industrial Products and Systems Corp.Inventors: Yoshihiro Tsukamoto, Kouichi Mizutani, Chidai Isaka
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Publication number: 20190120683Abstract: A liquid level indicating device includes a moving member which is arranged in a liquid tank storing a cooling liquid and moves vertically in conjunction with variation in a liquid level of the cooling liquid, a string member having one end portion connected to the moving member, the string member being configured to be bendable and non-extendable in a longitudinal direction, an indicator connected to the other end portion of the string member and which indicates a height position of the moving member as a remaining amount of the cooling liquid by operating in conjunction with movement of the moving member through the string member, and a tube member which is configured to be bendable and non-extendable in the longitudinal direction, has the string member passed therethrough, and connects the liquid tank and the indicator.Type: ApplicationFiled: December 21, 2018Publication date: April 25, 2019Applicant: TOSHIBA INDUSTRIAL PRODUCTS AND SYSTEMS CORPInventors: Hiromu SHIOTA, Shota IKEDA, Midori YAMASHITA, Yosuke TAKAI, Kazuaki ITO
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Publication number: 20190109500Abstract: According to a method of manufacturing a stator core of an embodiment, welding beads including a magnetic member other than the core pieces are formed in welding grooves provided on an outer peripheral surface of the stacked core pieces and extending in a direction in which the core pieces are stacked.Type: ApplicationFiled: December 10, 2018Publication date: April 11, 2019Applicant: TOSHIBA INDUSTRIAL PRODUCTS AND SYSTEMS CORPInventors: Takayuki AKATSUKA, Chidai ISAKA, Toyonobu YAMADA, Youichi SEO
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Publication number: 20180182541Abstract: The present embodiment provides a wound-core production method for winding and laminating a plurality of pieces of core material which has at least one cut in each winding and thereby producing a wound core having a rectangular aperture in a central part, the wound-core production method comprising laminating the plurality of pieces of the cut core material while winding the core material into a shape of a rectangular frame using a winding device.Type: ApplicationFiled: February 9, 2016Publication date: June 28, 2018Applicant: Toshiba Industrial Products and Systems Corp.Inventors: HIROMU SHIOTA, YOSHINORI YAMAZAKI, TSUYOSHI MASUDA, EIJI SHIMOMURA, YUJI ISHIKAWA
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Publication number: 20180147619Abstract: A method of joining strip-shaped sheets includes a support step of placing a support member in contact with a reverse feed direction end of a strip-shaped sheet fed to a pressing machine and a feed direction end of a new strip-shaped sheet, and a joining step of joining the new strip-shaped sheet to the strip-shaped sheet by attaching a tape on the reverse feed direction end of the strip-shaped sheet and the feed direction end of the new strip-shaped sheet, wherein in the joining step, the tape is attached from a side opposite the support member with the support member placed in contact with the reverse feed direction end of the strip-shaped sheet and the feed direction end of the new strip-shaped sheet. The problem of the variation in welding quality encountered when welding thin and wide strip-shaped sheets together is resolved and the strip-shaped sheet is fed smoothly.Type: ApplicationFiled: February 9, 2016Publication date: May 31, 2018Applicant: Toshiba Industrial Products and Systems Corp.Inventors: Yoshihiro Tsukamoto, Kouichi Mizutani, Chidai Isaka
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Publication number: 20170326607Abstract: A method of progressive processing includes feeding a strip-shaped sheet to a press machine; pressing the strip-shaped sheet with the press machine; and joining the strip-shaped sheet with a new strip-shaped sheet by applying a tape over an end of the strip-shaped sheet located in a direction opposite a direction in which the strip-shaped sheet is fed and an end of the new strip-shaped sheet located in a direction in which the new strip-shaped sheet is fed.Type: ApplicationFiled: August 5, 2015Publication date: November 16, 2017Applicant: TOSHIBA INDUSTRIAL PRODUCTS AND SYSTEMS CORP.Inventors: Yoshihiro Tsukamoto, Youichi Seo, Toyonobu Yamada, Chidai Isaka
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Patent number: 9698643Abstract: A stator winding of a rotary electric machine includes windings for each pole of each phase being configured by a single layer lap wound coil. The single layer lap-wound coil includes combination coils each configured by two or more divided unit coils of the same phase being disposed one over the other in a radial direction inside slots of a stator core. The combination coils each comprise a first-row unit coil and a second-row unit coil disposed in a radially inner side of the stator core with respect to the first-row unit coil. A turns count of the first-row unit coil equals a turns count of the second-row unit coil. A count of lead wires of the first-row unit coil differs from a count of lead wires of the second-row unit coil.Type: GrantFiled: February 5, 2016Date of Patent: July 4, 2017Assignee: TOSHIBA INDUSTRIAL PRODUCTS AND SYSTEMS CORP.Inventors: Hisaaki Shimozu, Hisami Katsurayama, Takeo Kaito, Hiroaki Nagashima
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Publication number: 20150042196Abstract: A rotating electrical machine includes a stator having a stator core and a plurality of groups of coils formed by inserting a plurality of unit coils into slots of the stator core in a lap winding manner and a rotor rotatably mounted on the stator. The plurality of coil groups includes a first coil group located at an outer circumference side of the stator core and a second coil group located at an inner circumference side of the stator core. The unit coils constituting the second coil group has shorter circumferences than the unit coils constituting the first coil group.Type: ApplicationFiled: March 14, 2014Publication date: February 12, 2015Applicants: Toshiba Industrial Products and Systems Corp., Kabushiki Kaisha ToshibaInventors: Minoru AWAZU, Kyouichi Okada, Isamu Nitta, Hisaaki Shimozu