Patents by Inventor Yohei Tada

Yohei Tada 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).

  • Patent number: 11975590
    Abstract: A cab for a construction machine includes; an operator seat including a seat base and a backrest; a control box disposed along a lateral side of the operator seat; an air conditioner main body for cooling air; and a duct disposed behind the operator sea for guiding a cooling air generated in the air conditioner main body. The duct has a blowing port provided at such a position as to allow the cooling air to flow frontward along at least one of a lateral side of the seat base and a lateral side of a lower portion of the backrest and along an inner surface of the control box.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: May 7, 2024
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Koji Fujikawa, Shunsuke Tada, Yohei Tashiro
  • Patent number: 11104216
    Abstract: A vehicle drive apparatus that includes an engagement device, a rotating electrical machine, and a frictional engagement device on a power transfer path connecting an input drivably coupled to an internal combustion engine and an output drivably coupled to a wheel, wherein: a cooling oil passage provided in an area where the engagement device is arranged and configured such that oil for cooling the rotating electrical machine passes through the cooling oil passage and an inflow suppression provided between the engagement device and the frictional engagement device and configured to suppress occurrence of a situation in which oil passing through the frictional engagement device flows into the cooling oil passage are provided inside the tube.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: August 31, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Yohei Tada, Yuichi Seki
  • Publication number: 20190351752
    Abstract: A vehicle drive apparatus that includes an engagement device, a rotating electrical machine, and a frictional engagement device on a power transfer path connecting an input drivably coupled to an internal combustion engine and an output drivably coupled to a wheel, wherein: a cooling oil passage provided in an area where the engagement device is arranged and configured such that oil for cooling the rotating electrical machine passes through the cooling oil passage and an inflow suppression provided between the engagement device and the frictional engagement device and configured to suppress occurrence of a situation in which oil passing through the frictional engagement device flows into the cooling oil passage are provided inside the tube.
    Type: Application
    Filed: March 27, 2018
    Publication date: November 21, 2019
    Applicant: AISIN AW CO., LTD.
    Inventors: Yohei TADA, Yuichi SEKI
  • Patent number: 10160305
    Abstract: A hybrid drive device includes: a first one-way clutch; a second one-way clutch; a first power transfer path through which power can be transferred from a rotor to wheels; and a second power transfer path which is composed of an engine rotation transfer member, the first one-way clutch, and a coupling member, through which power can be transferred from an internal combustion engine to an oil pump, and which intersects the first power transfer path at an intersection portion. An engagement element, the first one-way clutch, and the second one-way clutch are disposed on one side of the first power transfer path.
    Type: Grant
    Filed: December 25, 2014
    Date of Patent: December 25, 2018
    Assignee: AISIN AW CO., LTD.
    Inventors: Satoru Kasuya, Nobukazu Ike, Masashi Kito, Yuichi Seki, Yohei Tada
  • Publication number: 20160263984
    Abstract: A hybrid drive device includes: a first one-way clutch; a second one-way clutch; a first power transfer path through which power can be transferred from a rotor to wheels; and a second power transfer path which is composed of an engine rotation transfer member, the first one-way clutch, and a coupling member, through which power can be transferred from an internal combustion engine to an oil pump, and which intersects the first power transfer path at an intersection portion. An engagement element, the first one-way clutch, and the second one-way clutch are disposed on one side of the first power transfer path.
    Type: Application
    Filed: December 25, 2014
    Publication date: September 15, 2016
    Applicant: AISIN AW CO., LTD.
    Inventors: Satoru Kasuya, Nobukazu Ike, Masashi Kito, Yuichi Seki, Yohei Tada