Patents by Inventor Taku Adaniya

Taku Adaniya 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).

  • Publication number: 20210305873
    Abstract: An electric compressor includes a housing, an electric motor, and an inverter. The housing includes a motor chamber. The electric motor includes a stator that includes a stator core, a plurality of first coils, a plurality of second coils, and a plurality of third coils. The first coils are connected in series, the second coils are connected in series, and the third coils are connected in series. One of the first coils that is located electrically closest to the first phase is referred to as a first specific coil, one of the second coils that is located electrically closest to the second phase is referred to as a second specific coil, and one of the third coils that is located electrically closest to the third phase is referred to as a third specific coil. The first to third specific coils are disposed above the shaft center of the drive shaft.
    Type: Application
    Filed: March 19, 2021
    Publication date: September 30, 2021
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Kensuke IKAI, Taku ADANIYA, Shuji TAKIMOTO, Wataru SUGIMOTO
  • Publication number: 20210099042
    Abstract: A motor-driven compressor includes a plurality of motor wires and an insulating terminal container. The motor wires include portions covered with an insulating tube and distal ends at which a connection terminal is provided. The terminal container includes a cluster block and a terminal holder. The cluster block accommodates the connection terminal and has an opening. The terminal holder holds the connection terminal and has a lid that closes the opening. The cluster block includes a base portion. The lid has a cutout that receives the tube. The lid is in contact with the base portion such that a part of a hole defined by the cutout is closed by the base portion.
    Type: Application
    Filed: September 23, 2020
    Publication date: April 1, 2021
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Hiroki TAKAYAMA, Shozo HAMANA, Taku ADANIYA
  • Publication number: 20200343783
    Abstract: The cluster block accommodates connection terminals and has conductive member insertion holes, into which the conductive members are inserted. The cluster block is disposed between the bottom wall of the housing and second coil ends. The conductive member insertion holes are located on the radially outer side of the inner circumferential surface of the stator core. The cluster block includes a second wall portion in the vicinity of the electric motor and a first wall in the vicinity of the bottom wall of the housing. The second wall portion has a pressed surface on the radially inner side of the inner circumferential surface of the stator core. The outer surface of the first wall portion has a contact surface that is lined up with the pressed surface in the axial direction of the stator core. The contact surface is allowed to contact the bottom wall of the housing.
    Type: Application
    Filed: April 20, 2020
    Publication date: October 29, 2020
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Shuji TAKIMOTO, Taku ADANIYA, Shozo HAMANA
  • Patent number: 10707715
    Abstract: A motor-driven compressor includes a cluster block, which accommodates a connecting terminal. The connecting terminal connects an electric motor to a motor driving circuit. A second insulator includes a tubular base, extended portions, which extend from the base, and insulator flanges. Each insulator flange is located on an opposite end of each extended portion from the base. The cluster block is fastened to some of the insulator flanges on the opposite side of the insulator flanges from the extended portions. The cluster block includes a second wall, which faces some of the insulator flanges. The second wall includes engagement pieces, which project in the radial direction of the rotary shaft. The engagement pieces are each fitted to an opening portion, which is a gap between the insulator flanges that are adjacent to each other in the circumferential direction of the rotary shaft.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: July 7, 2020
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Shozo Hamana, Taku Adaniya
  • Publication number: 20190245404
    Abstract: A motor-driven compressor includes a cluster block, which accommodates a connecting terminal. The connecting terminal connects an electric motor to a motor driving circuit. A second insulator includes a tubular base, extended portions, which extend from the base, and insulator flanges. Each insulator flange is located on an opposite end of each extended portion from the base. The cluster block is fastened to some of the insulator flanges on the opposite side of the insulator flanges from the extended portions. The cluster block includes a second wall, which faces some of the insulator flanges. The second wall includes engagement pieces, which project in the radial direction of the rotary shaft. The engagement pieces are each fitted to an opening portion, which is a gap between the insulator flanges that are adjacent to each other in the circumferential direction of the rotary shaft.
    Type: Application
    Filed: February 4, 2019
    Publication date: August 8, 2019
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Shozo HAMANA, Taku ADANIYA
  • Patent number: 10164495
    Abstract: A motor-driven fluid machine has three motor wires. The innermost one of the three motor wires in the radial direction of a rotary shaft on a specific section of an outer end portion of a coil end is defined as a first motor wire. The first motor wire has a first extension, which extends from an inner side toward an outer side in the radial direction of the rotary shaft at a position between the specific section and a downstream side in the extending direction of the motor wires, and a second extension, which is continuous from the first extension and extends from the outer side toward the inner side in the radial direction of the rotary shaft to be connected to a corresponding conductive member.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: December 25, 2018
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Shozo Hamana, Hiroshi Fukasaku, Taku Adaniya
  • Publication number: 20170279325
    Abstract: A motor-driven fluid machine has three motor wires. The innermost one of the three motor wires in the radial direction of a rotary shaft on a specific section of an outer end portion of a coil end is defined as a first motor wire. The first motor wire has a first extension, which extends from an inner side toward an outer side in the radial direction of the rotary shaft at a position between the specific section and a downstream side in the extending direction of the motor wires, and a second extension, which is continuous from the first extension and extends from the outer side toward the inner side in the radial direction of the rotary shaft to be connected to a corresponding conductive member.
    Type: Application
    Filed: March 22, 2017
    Publication date: September 28, 2017
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Shozo HAMANA, Hiroshi FUKASAKU, Taku ADANIYA
  • Patent number: 9574560
    Abstract: A motor-driven compressor includes an electric motor, a compression unit, a lead wire, a connection terminal, a cluster block, a housing, a motor drive circuit, a conductive terminal, and a coupling member. The lead wire is extended from a coil end of the stator. The connection terminal is electrically connected to the lead wire. The cluster block accommodates the connection terminal. The conductive terminal electrically connects the connection terminal and the motor drive circuit. The coupling member is arranged between the stator and the cluster block. The cluster block is coupled to the stator by the coupling member. The coupling member is configured to change an coupling position of the cluster block relative to the stator so that the connection terminal faces the conductive terminal.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: February 21, 2017
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Taku Adaniya, Minoru Mera, Shinichi Okuyama, Tatsuya Horiba
  • Patent number: 9482229
    Abstract: A motor-driven compressor includes an electric motor, a compression mechanism driven by the electric motor so as to compress refrigerant gas, a metal housing accommodating the electric motor and the compression mechanism, a suction passage communicable with interior of the housing wherein refrigerant gas flows through the suction passage, a discharge passage communicable with the interior of the housing wherein refrigerant gas discharged from the compression mechanism flows through the discharge passage and a check valve that is provided in at least one of the suction passage and the discharge passage, opened while the compressor is in operation and closed while the compressor is at a stop.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: November 1, 2016
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventor: Taku Adaniya
  • Patent number: 9366243
    Abstract: A stator core includes an insertion hole that has an opening in an outer peripheral surface of the stator core and a bent portion in the stator core. A cluster block includes an insertion piece, which is inserted into the insertion hole via the cornered portion. The cluster block is attached to the stator core by engaging the insertion piece with the insertion hole.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: June 14, 2016
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Tetsuya Yamada, Yoshikazu Fukutani, Shingo Enami, Ken Suitou, Hiroshi Fukasaku, Minoru Mera, Taku Adaniya
  • Patent number: 9188115
    Abstract: An electric motor for a motor-driven compressor is provided. The electric motor includes a stator and a rotor. The stator is fixed to a housing. The rotor is arranged outward of the stator. The rotor is mounted on a rotary shaft to rotate integrally with the rotary shaft. The stator includes slots and a stator coil wound about the slots. The rotor includes a rotary support and a magnet. The rotary support is fixed to the rotary shaft to rotate integrally with the rotary shaft. The magnet is supported by the rotary support. The arrangement of the magnetic poles of the magnet in the circumferential direction is a Halbach array.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: November 17, 2015
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Hiroshi Fukasaku, Taku Adaniya
  • Publication number: 20140322048
    Abstract: A motor-driven compressor in which an electric driving mechanism is capable of keeping high efficiency. The compressor includes an electric driving mechanism, a compression mechanism and a motor drive circuit. The electric driving mechanism is accommodated in a housing. The housing has a main body portion in a cylindrical shape, a bulging portion that bulges in a radially outward direction from the main body portion, and a partition wall. In the main body portion, a stator accommodation chamber is formed. In the stator accommodation chamber, a stator of the electric driving mechanism is accommodated. In the bulging portion, a cluster block accommodation chamber is formed. In the cluster block accommodation chamber, a cluster block is accommodated. A partition wall separates the stator accommodation chamber and the cluster block accommodation chamber in a radial direction. The main body portion and the partition wall support a stator core.
    Type: Application
    Filed: April 23, 2014
    Publication date: October 30, 2014
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Tomoyoshi INAGAKI, Taku ADANIYA, Hiroki NAGANO, Takuya NARUSE
  • Publication number: 20140175930
    Abstract: A permanent magnet embedded type rotating electrical machine includes a rotor and a stator. The rotor includes a rotor core formed by a plurality of stacked and laminated magnetic steel plates and permanent magnets. Each magnetic steel plate has a plurality of magnet holes, connecting portions and sectional areas. The sectional area is surrounded by lines extending between the opposite ends of the magnet hole and between a rotation center of the rotor and the respective ends of the magnet hole. The connecting portion is provided only inside of the sectional area and is a joining portion at which any two adjacent magnetic steel plates are joined or a fastening hole in which a fastening member is inserted. The connecting portions include both the joining portion and the fastening hole. The connecting portion provided in the sectional area is at least one of the joining portion and the fastening hole.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 26, 2014
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Taku ADANIYA, Shuji TAKIMOTO, Shozo HAMANA
  • Publication number: 20140093408
    Abstract: A motor-driven compressor includes an electric motor, a compression unit, a lead wire, a connection terminal, a cluster block, a housing, a motor drive circuit, a conductive terminal, and a coupling member. The lead wire is extended from a coil end of the stator. The connection terminal is electrically connected to the lead wire. The cluster block accommodates the connection terminal. The conductive terminal electrically connects the connection terminal and the motor drive circuit. The coupling member is arranged between the stator and the cluster block. The cluster block is coupled to the stator by the coupling member. The coupling member is configured to change an coupling position of the cluster block relative to the stator so that the connection terminal faces the conductive terminal.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 3, 2014
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Taku ADANIYA, Minoru MERA, Shinichi OKUYAMA, Tatsuya HORIBA
  • Patent number: 8659200
    Abstract: The permanent magnet embedded rotating electrical machine includes a rotor and a plurality of flat permanent magnets. The rotor has on an outer periphery thereof a plurality of pairs of concave portions and a plurality of convex portions. Each of the convex portions is located between the pair of concave portions. The concave portions are formed at radially outward of respective adjacent magnetic pole ends of the permanent magnet. A bridge is provided in the rotor at an angular position about an axis of the rotor between opposed magnetic pole ends of two adjacent permanent magnets. Each concave portion at radially outward of the magnetic pole end of the permanent magnet is located close to the center of the same permanent magnet in relation to the bridge next to the permanent magnet in the circumferential direction of the rotor.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: February 25, 2014
    Assignee: Kabushiki Kaisha Toyota Jidoshokki
    Inventors: Taku Adaniya, Minoru Mera, Hiroshi Fukasaku
  • Publication number: 20130078123
    Abstract: An electric motor for a motor-driven compressor is provided. The electric motor includes a stator and a rotor. The stator is fixed to a housing. The rotor is arranged outward of the stator. The rotor is mounted on a rotary shaft to rotate integrally with the rotary shaft. The stator includes slots and a stator coil wound about the slots. The rotor includes a rotary support and a magnet. The rotary support is fixed to the rotary shaft to rotate integrally with the rotary shaft. The magnet is supported by the rotary support. The arrangement of the magnetic poles of the magnet in the circumferential direction is a Halbach array.
    Type: Application
    Filed: September 10, 2012
    Publication date: March 28, 2013
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Hiroshi FUKASAKU, Taku ADANIYA
  • Patent number: 8405274
    Abstract: A stator of a motor includes a stator core having a plurality of teeth forming slots between any two adjacent teeth and a plurality of phase coils provided in the slots, each formed by wave winding and made of a continuous wire. Each phase coil includes a first wave winding bundle and a second wave winding bundle that is passed through a first slot and a second slot. The first slot is located adjacent to one side of a group of slots through which the phase coils other than said each phase coil are passed and the second slot is located adjacent to the other side of the group of slots. The first wave winding bundle is passed through a third slot and a fourth slot. The third slot is located adjacent to the first slot on the opposite side of the first slot from the group of slots and the fourth slot is located adjacent to the second slot on the opposite side of the second slot from the group of slots.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: March 26, 2013
    Assignee: Kabushiki Kaisha Toyota Jidoshokki
    Inventors: Taku Adaniya, Shinichi Okuyama, Hiroshi Fukasaku
  • Publication number: 20130071266
    Abstract: A motor-driven compressor includes an electric motor, a compression mechanism driven by the electric motor so as to compress refrigerant gas, a metal housing accommodating the electric motor and the compression mechanism, a suction passage communicable with interior of the housing wherein refrigerant gas flows through the suction passage, a discharge passage communicable with the interior of the housing wherein refrigerant gas discharged from the compression mechanism flows through the discharge passage and a check valve that is provided in at least one of the suction passage and the discharge passage, opened while the compressor is in operation and closed while the compressor is at a stop.
    Type: Application
    Filed: August 28, 2012
    Publication date: March 21, 2013
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventor: Taku Adaniya
  • Publication number: 20120230849
    Abstract: A stator core includes an insertion hole that has an opening in an outer peripheral surface of the stator core and a bent portion in the stator core. A cluster block includes an insertion piece, which is inserted into the insertion hole via the cornered portion. The cluster block is attached to the stator core by engaging the insertion piece with the insertion hole.
    Type: Application
    Filed: February 13, 2012
    Publication date: September 13, 2012
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Tetsuya YAMADA, Yoshikazu FUKUTANI, Shingo ENAMI, Ken SUITOU, Hiroshi FUKASAKU, Minoru MERA, Taku ADANIYA
  • Publication number: 20110210639
    Abstract: A stator of a motor includes a stator core having a plurality of teeth forming slots between any two adjacent teeth and a plurality of phase coils provided in the slots, each formed by wave winding and made of a continuous wire. Each phase coil includes a first wave winding bundle and a second wave winding bundle that is passed through a first slot and a second slot. The first slot is located adjacent to one side of a group of slots through which the phase coils other than said each phase coil are passed and the second slot is located adjacent to the other side of the group of slots. The first wave winding bundle is passed through a third slot and a fourth slot. The third slot is located adjacent to the first slot on the opposite side of the first slot from the group of slots and the fourth slot is located adjacent to the second slot on the opposite side of the second slot from the group of slots.
    Type: Application
    Filed: February 23, 2011
    Publication date: September 1, 2011
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Taku Adaniya, Shinichi Okuyama, Hiroshi Fukasaku