Patents by Inventor Yoshihiko Nagase
Yoshihiko Nagase 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: 10227982Abstract: A scroll compression mechanism 11 for compressing refrigerant and a driving motor 13 that is connected to the scroll compression mechanism 11 through a driving shaft 15 and drives the scroll compression mechanism 11 are accommodated in a casing 3, the scroll compression mechanism 11 is supported in the casing 3 by a main frame 21, a stator 37 of the driving motor 13 is directly or indirectly supported in the casing 3, and the driving shaft 15 is connected to a rotor 39 of the driving motor 13 and supported in the casing 3 by a bearing plate 8, and a lower end of the driving shaft 15 is supported by a thrust plate 6 provided to the bearing plate 8, and the center position of the rotor 39 is located to be lower than the center position of the stator 37.Type: GrantFiled: December 20, 2011Date of Patent: March 12, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Satoshi Iitsuka, Tsutomu Kon, Akihiro Hayashi, Kenji Aida, Kazuyoshi Sugimoto, Yasunori Kiyokawa, Yoshihiko Nagase, Katsuki Akuzawa, Yoshiaki Nagasawa
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Patent number: 9581160Abstract: A scroll compression mechanism 11 for compressing refrigerant and a driving motor 13 that drives the scroll compression mechanism 11 are accommodated in a casing 3, the scroll compression mechanism 11 is supported in the casing 3 by a main frame 21, the driving shaft 15 is connected to a rotor 39 of the driving motor 13 and supported in the casing 3 by a bearing plate 8, a pickup 45 is connected to an oil supply path 41 extending in an up-and-down direction in the driving shaft 15, and intercommunication paths 38B, 54A through which lubrication oil scraped up by the pickup 45 and supplied to respective lubrication sites is returned to the lower side of the driving motor 13 are provided between the stator 37 and the spacer ring 38 or between the spacer ring 38 and the casing 3.Type: GrantFiled: December 20, 2011Date of Patent: February 28, 2017Assignee: Panasonic Intellectual Property Management Co. Ltd.Inventors: Satoshi Iitsuka, Tsutomu Kon, Akihiro Hayashi, Katsuki Akuzawa, Kenji Aida, Kazuyoshi Sugimoto, Yasunori Kiyokawa, Yoshihiko Nagase, Yoshiaki Nagasawa
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Patent number: 9494155Abstract: A scroll compression device that prevents scattering of lubrication oil to a discharge pipe side is provided. A cup 48 which is opened at the lower portion thereof and prevents scattering of lubrication oil is disposed on the lower surface of the main frame 21, and an annular insulator 19 having a double wall structure which surrounds windings is disposed on the upper surface of a stator 37. The peripheral wall of the cup 48 is hung between the double walls 19A, 19B of the insulator.Type: GrantFiled: December 20, 2011Date of Patent: November 15, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Satoshi Iitsuka, Tsutomu Kon, Akihiro Hayashi, Yasunori Kiyokawa, Kazuyoshi Sugimoto, Yoshihiko Nagase, Katsuki Akuzawa, Kenji Aida, Yoshiaki Nagasawa
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Patent number: 9388808Abstract: A scroll compression device that is adaptable to a larger elimination capacity by using a balancer of magnetic material is provided. A scroll compression mechanism 11 for compressing refrigerant and a driving motor 13 that is connected to the scroll compression mechanism 11 through a driving shaft 15 and drives the scroll compression mechanism 11 are accommodated in a casing 3, the scroll compression mechanism 11 is supported in the casing by a main frame 21, a rotor 39 of the driving motor 13 is connected to the driving shaft 15, the driving shaft 15 is supported in the casing by a bearing plate 8, an upper balancer 63 of magnetic material is secured onto the shaft above the stator 37 of the driving shaft 15, a lower balancer 77 of non-magnetic material is secured to the lower end of the rotor 39, and an auxiliary balancer 64 of non-magnetic material is secured in the gap between the upper end of the rotor 39 and the upper balancer 63.Type: GrantFiled: December 20, 2011Date of Patent: July 12, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Satoshi Iitsuka, Tsutomu Kon, Kazuyoshi Sugimoto, Yoshihiko Nagase
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Publication number: 20140161649Abstract: There are provided a scroll compression device in which magnetization of a rotor and centering of a fixed scroll can be easily performed, and a method of assembling the scroll compression device.Type: ApplicationFiled: December 20, 2011Publication date: June 12, 2014Applicant: SANYO ELECTRIC CO., LTDInventors: Akihiro Hayashi, Satoshi Iitsuka, Kenji Aida, Tsutomu Kon, Yasunori Kiyokawa, Kazuyoshi Sugimoto, Yoshihiko Nagase, Katsuki Akuzawa, Yoshiaki Nagasawa
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Publication number: 20140064995Abstract: A scroll compression device that enhances the efficiency of workability of magnetization of windings is provided. A scroll compression mechanism 11 for compressing refrigerant and a driving shaft 13 that is connected to the scroll compression mechanism 11 through a driving shaft 15 and drives the scroll compression mechanism 11 are accommodated in a casing 3, the scroll compression mechanism 11 is supported in the casing 3 by a main frame 21, a rotor 39 of the driving motor 13 is connected to the driving shaft 15, the driving shaft 15 is supported in the casing 3 by a bearing plate 8, a pickup 45 is connected to an oil supply path 41 extending in an up-and-down direction in the driving shaft 15, and a holder 58 extending in a radial direction is provided in the oil supply path 41 at the back side of the pickup 45.Type: ApplicationFiled: December 20, 2011Publication date: March 6, 2014Applicant: SANYO ELECTRIC CO., LTD.Inventors: Satoshi Iitsuka, Tsutomu Kon, Akihiro Hayashi, Katsuki Akuzawa, Kenji Aida, Yoshiaki Nagasawa, Kazuyoshi Sugimoto, Yasunori Kiyokawa, Yoshihiko Nagase
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Publication number: 20140056736Abstract: A scroll compression mechanism 11 for compressing refrigerant and a driving motor 13 that is connected to the scroll compression mechanism 11 through a driving shaft 15 and drives the scroll compression mechanism 11 are accommodated in a casing 3, the scroll compression mechanism 11 is supported in the casing 3 by a main frame 21, a stator 37 of the driving motor 13 is directly or indirectly supported in the casing 3, and the driving shaft 15 is connected to a rotor 39 of the driving motor 13 and supported in the casing 3 by a bearing plate 8, and a lower end of the driving shaft 15 is supported by a thrust plate 6 provided to the bearing plate 8, and the center position of the rotor 39 is located to be lower than the center position of the stator 37.Type: ApplicationFiled: December 20, 2011Publication date: February 27, 2014Applicant: SANYO ELECTRIC CO., LTD.Inventors: Satoshi Iitsuka, Tsutomu Kon, Akihiro Hayashi, Kenji Aida, Kazuyoshi Sugimoto, Yasunori Kiyokawa, Yoshihiko Nagase, Katsuki Akuzawa, Yoshiaki Nagasawa
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Publication number: 20140044574Abstract: A scroll compression device that is adaptable to a larger elimination capacity by using a balancer of magnetic material is provided. A scroll compression mechanism 11 for compressing refrigerant and a driving motor 13 that is connected to the scroll compression mechanism 11 through a driving shaft 15 and drives the scroll compression mechanism 11 are accommodated in a casing 3, the scroll compression mechanism 11 is supported in the casing by a main frame 21, a rotor 39 of the driving motor 13 is connected to the driving shaft 15, the driving shaft 15 is supported in the casing by a bearing plate 8, an upper balancer 63 of magnetic material is secured onto the shaft above the stator 37 of the driving shaft 15, a lower balancer 77 of non-magnetic material is secured to the lower end of the rotor 39, and an auxiliary balancer 64 of non-magnetic material is secured in the gap between the upper end of the rotor 39 and the upper balancer 63.Type: ApplicationFiled: December 20, 2011Publication date: February 13, 2014Applicant: SANYO ELECTRIC CO., LTD.Inventors: Satoshi Iitsuka, Tsutomu Kon, Kazuyoshi Sugimoto, Yoshihiko Nagase
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Publication number: 20140044572Abstract: A scroll compression mechanism 11 for compressing refrigerant and a driving motor 13 that drives the scroll compression mechanism 11 are accommodated in a casing 3, the scroll compression mechanism 11 is supported in the casing 3 by a main frame 21, the driving shaft 15 is connected to a rotor 39 of the driving motor 13 and supported in the casing 3 by a bearing plate 8, a pickup 45 is connected to an oil supply path 41 extending in an up-and-down direction in the driving shaft 15, and intercommunication paths 38B, 54A through which lubrication oil scraped up by the pickup 45 and supplied to respective lubrication sites is returned to the lower side of the driving motor 13 are provided between the stator 37 and the spacer ring 38 or between the spacer ring 38 and the casing 3.Type: ApplicationFiled: December 20, 2011Publication date: February 13, 2014Applicant: SANYO ELECTRIC CO., LTD.Inventors: Satoshi Iitsuka, Tsutomu Kon, Akihiro Hayashi, Katsuki Akuzawa, Kenji Aida, Kazuyoshi Sugimoto, Yasunori Kiyokawa, Yoshihiko Nagase, Yoshiaki Nagasawa
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Publication number: 20140037474Abstract: A scroll compression device that prevents scattering of lubrication oil to a discharge pipe side is provided. A cup 48 which is opened at the lower portion thereof and prevents scattering of lubrication oil is disposed on the lower surface of the main frame 21, and an annular insulator 19 having a double wall structure which surrounds windings is disposed on the upper surface of a stator 37. The peripheral wall of the cup 48 is hung between the double walls 19A, 19B of the insulator.Type: ApplicationFiled: December 20, 2011Publication date: February 6, 2014Applicant: SANYO ELECTRIC CO., LTD.Inventors: Satoshi Iitsuka, Tsutomu Kon, Akihiro Hayashi, Yasunori Kiyokawa, Kazuyoshi Sugimoto, Yoshihiko Nagase, Katsuki Akuzawa, Kenji Aida, Yoshiaki Nagasawa