Patents by Inventor Takumasa FURUYAMA

Takumasa FURUYAMA 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).

  • Component for flow rate control device, and fuel injection valve
    Patent number: 11313336
    Abstract: An object of the present invention is to provide a fluid control device with an improved effect of suppressing blowhole generation. Therefore, a component for a flow rate control device of the present invention includes: a first component 140 (A); a second component 107 (B) fixed to the first component by a press-fitting portion 802; a butt-welded portion 803 connecting the first component and the second component; and a first gap 1001 and a second gap 1002 formed between mutually opposing surfaces of the first component and the second component. The first gap is provided on a side of the press-fitting portion with respect to the second gap between the press-fitting portion and the butt-welded portion, and is formed in a direction intersecting a press-fitting direction. The second gap is provided on a side of the butt-welded portion with respect to the first gap between the press-fitting portion and the welded portion, and is formed in a direction intersecting the first gap.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: April 26, 2022
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Takao Miyake, Yasuo Namaizawa, Takumasa Furuyama
  • COMPONENT FOR FLOW RATE CONTROL DEVICE, AND FUEL INJECTION VALVE
    Publication number: 20210040926
    Abstract: An object of the present invention is to provide a fluid control device with an improved effect of suppressing blowhole generation. Therefore, a component for a flow rate control device of the present invention includes: a first component 140 (A); a second component 107 (B) fixed to the first component by a press-fitting portion 802; a butt-welded portion 803 connecting the first component and the second component; and a first gap 1001 and a second gap 1002 formed between mutually opposing surfaces of the first component and the second component. The first gap is provided on a side of the press-fitting portion with respect to the second gap between the press-fitting portion and the butt-welded portion, and is formed in a direction intersecting a press-fitting direction. The second gap is provided on a side of the butt-welded portion with respect to the first gap between the press-fitting portion and the welded portion, and is formed in a direction intersecting the first gap.
    Type: Application
    Filed: February 13, 2019
    Publication date: February 11, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Takao MIYAKE, Yasuo NAMAIZAWA, Takumasa FURUYAMA