Patents by Inventor Kou Tsukamoto
Kou Tsukamoto 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: 8398377Abstract: An electric compressor provided with an integral inverter, incorporated with a motor and provided in a receiving space surrounded by a compressor housing with a motor drive circuit that includes the inverter. At least some of electric parts including the motor drive circuit are covered by a resin charged into the receiving space, and a part of a region which is in the receiving space and into which the resin can be charged is filled with a light-weight material different from the charged resin. In the structure of the resin covering section for such a motor drive circuit, the amount of resin charged is significantly reduced, and the entire compressor is reduced in weight and cost.Type: GrantFiled: February 13, 2008Date of Patent: March 19, 2013Assignee: Sanden CorporationInventors: Takaaki Itabashi, Masahiko Osaka, Kou Tsukamoto
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Publication number: 20130056992Abstract: Either one of an inner rotor (16) and an outer rotor (18) of a motor-generator (12) is coupled to an expander (48) of a Rankine circuit (40), and the other rotor is coupled to a rotary shaft (7) of an internal combustion engine (2).Type: ApplicationFiled: March 22, 2011Publication date: March 7, 2013Applicant: Sanden CorporationInventors: Hirofumi Wada, Junichiro Kasuya, Shinji Nakamura, Kou Tsukamoto, Hiroyuki Nagai
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Patent number: 8113800Abstract: A scroll compressor as a fluid machine includes a housing containing a scroll unit and an armature of an electric motor, and a connection device (66) for electrically connecting each stator coil (62) of the armature to a circuit board external to the housing. The connection device (66) includes a tubular lead holder (70) extending from inside the housing and gastightly passed through a through hole (68) to outside of a housing wall (16), the lead holder (70) having a head (72) and snap anchors (74) holding the housing wall (16) therebetween, and a wire-shaped lead (76) extending from the stator coil (62) and gastightly passed through the lead holder (70) to outside of the housing wall (16).Type: GrantFiled: April 6, 2006Date of Patent: February 14, 2012Assignee: Sanden CorporationInventors: Yoshitaka Koitabashi, Shigeyuki Koyama, Kou Tsukamoto, Tomokazu Naruta
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Publication number: 20100183458Abstract: An electric compressor provided with an integral inverter, incorporated with a motor and provided in a receiving space surrounded by a compressor housing with a motor drive circuit that includes the inverter. At least some of electric parts including the motor drive circuit are covered by a resin charged into the receiving space, and a part of a region which is in the receiving space and into which the resin can be charged is filled with a light-weight material different from the charged resin. In the structure of the resin covering section for such a motor drive circuit, the amount of resin charged is significantly reduced, and the entire compressor is reduced in weight and cost.Type: ApplicationFiled: February 13, 2008Publication date: July 22, 2010Inventors: Takaaki Itabashi, Masahiko Osaka, Kou Tsukamoto
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Publication number: 20100172774Abstract: The present invention provides a compressor having casings fixed together in a manner allowing the compressor to have a reduced sized as well as reusability. The compressor according to the present invention comprises a plurality of casings (1a, 1b) each having an open end designed to be brought into butt contact, the casings being arranged with the open ends in butt contact with each other, thereby constituting a pressure vessel enclosing a compressing unit; a flange-like projection (3) formed on the outer circumference of the open end of each of the casings, the projections of the casings butted together forming a pair; and a plurality of fixing members (4a to 4c) each in a shape corresponding to a section which would be obtained by dividing the open end of the casing, and having a groove inside, the groove being designed to engage with the paired projections butted together.Type: ApplicationFiled: May 22, 2008Publication date: July 8, 2010Applicant: SANDEN CORPORATIONInventors: Takaaki Itabashi, Kou Tsukamoto, Masahiko Osaka
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Publication number: 20100143167Abstract: An electric compressor provided with an integral inverter, incorporated with a motor and provided in a receiving space surrounded by a compressor housing with a motor drive circuit that includes the inverter. At least some of electric parts including the motor drive circuit are coated at an assembly-completed state with a resin that is charged into the receiving space. The shape of the charged resin is defined in the receiving space by a jig used at the time of resin charging and defining a space to be charged with the resin. In the structure of a resin coating section for such a motor drive circuit, the amount of resin charged is significantly reduced, and the entire compressor is reduced in weight and cost.Type: ApplicationFiled: February 13, 2008Publication date: June 10, 2010Inventors: Takaaki Itabashi, Masahiko Osaka, Kou Tsukamoto
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Publication number: 20100143165Abstract: An electric compressor provided with an integral inverter, incorporated with a motor and provided in a compressor housing with a motor drive circuit that includes the inverter. At least some of electric parts including the motor drive circuit are coated at an assembly-completed state with a resin material at a predetermined thickness by, for example, pouring of a liquid resin and draining of excess resin. In the electric compressor, a resin coating structure of the motor drive circuit is simplified, is easily coated with resin, is reduced in weight by reducing the amount of resin, and is reduced in cost.Type: ApplicationFiled: February 13, 2008Publication date: June 10, 2010Inventors: Takaaki Itabashi, Masahiko Osaka, Kou Tsukamoto
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Publication number: 20090285703Abstract: An energization bolt (102), which includes an input portion (102a) to be connected to a motor (40), an intermediate portion (102b) contiguous to the input portion and positioned in an insertion hole (23d) formed in a housing (20), and an output portion (102c) contiguous to the intermediate portion and to be connected to a drive circuit (98), and energizes between the drive circuit and the motor, and a seal member (100), which surrounds the intermediate portion, is sandwiched and supported by the input portion side and the output portion side, and is fastened to the housing, are included.Type: ApplicationFiled: June 26, 2007Publication date: November 19, 2009Inventors: Masahiko Osaka, Masanori Taguchi, Satoru Saito, Eiichi Oshio, Kazuhiko Kameyama, Kou Tsukamoto
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Publication number: 20090148314Abstract: An electric motor-driven scroll compressor as a fluid machine includes a housing (10) containing a scroll unit (20) and an armature (38) for driving the scroll unit (20), and a refrigerant conduit located inside the housing (10) to guide a refrigerant toward the scroll unit (20). The refrigerant conduit includes a helical groove (64) as part thereof. The helical groove (64) is formed in the outer peripheral surface of a rotor (54) constituting the armature (38) and has opposite ends opening in the respective opposite end faces of the rotor (54).Type: ApplicationFiled: March 29, 2006Publication date: June 11, 2009Applicant: SANDEN CORPORATIONInventors: Yoshitaka Koitabashi, Kou Tsukamoto, Tomokazu Naruta, Shigeyuki Koyama
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Publication number: 20090068047Abstract: An electric scroll compressor (1) as a closed type fluid machine, comprising a housing (10) in which a scroll unit (18) and an armature (40) driving the scroll unit (18) are contained. A resin coating layer (72) with a thickness of 50 ?m or more is formed on at least a part of the outer surface of the housing (10). A silent closed type fluid machine can be thus provided without increasing size and deteriorating productivity.Type: ApplicationFiled: April 24, 2006Publication date: March 12, 2009Inventors: Yoshitaka Koitabashi, Shigeyuki Koyama, Kou Tsukamoto, Tomokazu Naruta
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Publication number: 20080138226Abstract: A scroll compressor as a fluid machine includes a housing containing a scroll unit and an armature of an electric motor, and a connection device (66) for electrically connecting each stator coil (62) of the armature to a circuit board external to the housing. The connection device (66) includes a tubular lead holder (70) extending from inside the housing and gastightly passed through a through hole (68) to outside of a housing wall (16), the lead holder (70) having a head (72) and snap anchors (74) holding the housing wall (16) therebetween, and a wire-shaped lead (76) extending from the stator coil (62) and gastightly passed through the lead holder (70) to outside of the housing wall (16).Type: ApplicationFiled: April 6, 2006Publication date: June 12, 2008Inventors: Yoshitaka Koitabashi, Shigeyuki Koyama, Kou Tsukamoto, Tomokazu Naruta
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Patent number: 7214043Abstract: A scroll type hydraulic machine is provided with a scroll unit received in a housing, and a thrust bearing arranged between a movable scroll of the scroll unit and a support surface of the housing and receiving a thrust load of the movable scroll, and the thrust bearing includes a plurality of circular retention holes formed in the support surface, and sliding discs rotatably fitted into these retention holes and sliding with respect to both inner surfaces of the retention holes and the movable scroll.Type: GrantFiled: March 31, 2005Date of Patent: May 8, 2007Assignee: Sanden CorporationInventors: Kou Tsukamoto, Yuji Takei, Kohzou Kakehi, Takeshi Nakagawa
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Publication number: 20050220651Abstract: A scroll type hydraulic machine is provided with a scroll unit received in a housing, and a thrust bearing arranged between a movable scroll of the scroll unit and a support surface of the housing and receiving a thrust load of the movable scroll, and the thrust bearing includes a plurality of circular retention holes formed in the support surface, and sliding discs rotatably fitted into these retention holes and sliding with respect to both inner surfaces of the retention holes and the movable scroll.Type: ApplicationFiled: March 31, 2005Publication date: October 6, 2005Applicants: Sanden Corporation, NTN CorporationInventors: Kou Tsukamoto, Yuji Takei, Kohzou Kakehi, Takeshi Nakagawa
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Patent number: 6802698Abstract: A port cover is removably attached to a compressor to protect a port of the compressor. The port cover is integrally made of elastomer and has a cap member adapted to close the port, a cover member coupled to the cap member and adapted to cover a pipe fixing portion of the compressor, and a handle extending from the cap member. The cover member has a cylindrical portion faced to a side surface of the pipe fixing portion. The cylindrical portion has a specific portion extending from a first end of the cylindrical portion opposite to the compressor towards a second end opposite to the first end. The specific portion allows the first end of the cylindrical portion to be increased in diameter.Type: GrantFiled: February 3, 2003Date of Patent: October 12, 2004Assignee: Sanden CorporationInventor: Kou Tsukamoto
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Publication number: 20030147756Abstract: A port cover is removably attached to a compressor to protect a port of the compressor. The port cover is integrally made of elastomer and has a cap member adapted to close the port, a cover member coupled to the cap member and adapted to cover a pipe fixing portion of the compressor, and a handle extending from the cap member. The cover member has a cylindrical portion faced to a side surface of the pipe fixing portion. The cylindrical portion has a specific portion extending from a first end of the cylindrical portion opposite to the compressor towards a second end opposite to the first end. The specific portion allows the first end of the cylindrical portion to be increased in diameter.Type: ApplicationFiled: February 3, 2003Publication date: August 7, 2003Inventor: Kou Tsukamoto
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Patent number: 4535261Abstract: This invention employs the structure that the clutch mechanism is provided between the rotating shaft (4) of a smallsize motor itself and the reduction mechanism (21) and said clutch mechanism is coupled or decoupled by a magnetic force generated by the excitation coil (2) of the motor and the spring means (19) giving a force in the direction opposing to said magnetic force.Type: GrantFiled: February 3, 1983Date of Patent: August 13, 1985Assignee: CKD Controls LimitedInventors: Kou Tsukamoto, Masatoshi Hirate