Patents by Inventor Kazuya YONEMURA

Kazuya YONEMURA 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).

  • Electromagnetic switching valve
    Patent number: 11221087
    Abstract: An electromagnetic switching valve includes: a sleeve; a spool; an electromagnetic actuator, including a plunger having a through passage and a stator exerting a magnetomotive force on the plunger; and a transmission member of a tubular shape, interposed between the plunger and the spool and transmitting a driving force. The stator includes an insertion hole through which the transmission member is inserted. The transmission member includes: a facing wall facing the through passage; a first internal passage formed closer to the plunger than the facing wall and communicating with the through passage; a first opening formed closer to the plunger than the insertion hole and opening the first internal passage in a radial direction; second internal passages formed closer to the spool than the facing wall; and second openings formed closer to the spool than the insertion hole and opening the second internal passages in the radial direction.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: January 11, 2022
    Assignee: MIKUNI CORPORATION
    Inventors: Toshiki Ogasawara, Masashi Ueda, Kazuya Yonemura, Hitoshi Takasaki, Ryosuke Dakiishi
  • ELECTROMAGNETIC SWITCHING VALVE
    Publication number: 20210131582
    Abstract: An electromagnetic switching valve includes: a sleeve; a spool; an electromagnetic actuator, including a plunger having a through passage and a stator exerting a magnetomotive force on the plunger; and a transmission member of a tubular shape, interposed between the plunger and the spool and transmitting a driving force. The stator includes an insertion hole through which the transmission member is inserted. The transmission member includes: a facing wall facing the through passage; a first internal passage formed closer to the plunger than the facing wall and communicating with the through passage; a first opening formed closer to the plunger than the insertion hole and opening the first internal passage in a radial direction; second internal passages formed closer to the spool than the facing wall; and second openings formed closer to the spool than the insertion hole and opening the second internal passages in the radial direction.
    Type: Application
    Filed: September 24, 2020
    Publication date: May 6, 2021
    Applicant: MIKUNI CORPORATION
    Inventors: Toshiki OGASAWARA, Masashi UEDA, Kazuya YONEMURA, Hitoshi TAKASAKI, Ryosuke DAKIISHI