Patents by Inventor Minoru Hashida

Minoru Hashida 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: 20200332750
    Abstract: In some examples, a fuel injector rail assembly may include a fuel rail including a tubular body, with a fuel outlet passage formed through a wall of the tubular body. An injector cup may be connected to the tubular body and may include an injector chamber configured to receive a fuel injector. A first fuel passage formed in the injector cup may include a first diameter, and the first fuel passage may be connected to the fuel outlet passage of the tubular body. Additionally, a second fuel passage may be formed in the injector cup between the first fuel passage and the injector chamber. The second fuel passage may have a second diameter that is smaller than the first diameter of the first fuel passage.
    Type: Application
    Filed: April 22, 2020
    Publication date: October 22, 2020
    Inventors: Anthony BOONE, Prashanth AVIREDDI, Malcolm MIZUBA, Su-Wei SUNG, Minoru HASHIDA
  • Patent number: 10788003
    Abstract: It is an object of the present invention to provide a high-pressure fuel supply pump having a pump body capable of improving corrosion resistance and weldability and being manufacturable by forging. Therefore, in the high-pressure fuel supply pump having a metal pump body forming a pressurizing chamber, the pump body is made of a steel material containing 12% to 18% of Cr and 3% to 7% of Ni, and the pump body has a forging surface on a part of the outer peripheral surface.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: September 29, 2020
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Minoru Hashida, Atsushi Hohkita, Masayuki Suganami, Satoshi Usui, Masaru Kawai, Arata Kagiyama
  • Patent number: 10761663
    Abstract: An input device includes a translucent base material having flexibility, translucent first electrode parts arranged in a sensing region on the base material in a first direction, translucent second electrode parts arranged in the sensing region on the base material in a second direction crossing the first direction, and lead wires that are electrically continuous to the first electrode parts and second electrode parts, the lead wires extending from the sensing region on the base material to a peripheral region allocated outside the sensing region. A bent portion is provided in the peripheral region on the base material. Each lead wire has a flexible conductive member on the bent portion. A covering material is provided so as cover at least part of the flexible conductive member on the base material.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: September 1, 2020
    Assignee: Alps Alpine Co., Ltd.
    Inventors: Suguru Wada, Toru Sawada, Junji Hashida, Yoshifumi Masumoto, Takenobu Horino, Atsushi Matsuda, Akihiro Takeda, Koji Tsukamoto, Toru Takahashi, Minoru Sato
  • Patent number: 10731615
    Abstract: Responsiveness of an electromagnetic flow-rate control valve provided for closing a suction valve is improved and a discharge flow rate is controlled to a desired value. A flow-rate control valve includes a fixed core arranged on an inner circumferential side of a coil, a yoke arranged on an outer circumferential side of the coil, and a cover portion opposed to the coil in an axial direction, in which the fixed core has an enlarged portion in contact with the cover portion in the axial direction and enlarging toward the coil, and the cover portion is regulated in the axial direction only by a contact portion with the fixed core.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: August 4, 2020
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Ryo Kusakabe, Kenichiro Tokuo, Satoshi Usui, Minoru Hashida, Masayuki Suganami, Atsushi Hohkita, Eiichi Kubota, Daisuke Kitajima, Hiroshi Horie
  • Patent number: 10655580
    Abstract: An object of the present invention is to obtain a high pressure fuel supply pump capable of reducing pressure pulsation that occurs in a low pressure pipe, preventing damage to the low pressure pipe, or reducing noise due to vibrations of the low pressure pipe.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: May 19, 2020
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Satoshi Usui, Minoru Hashida, Masayuki Suganami, Hiroyuki Yamada, Atsushi Hohkita
  • Patent number: 10584668
    Abstract: Provide is a high-pressure fuel pump capable of improving the degree of freedom of layout of members to be attached to a pump body and a producing method thereof. Therefore, the high-pressure fuel pump includes the suction joint that sucks fuel, the pump body formed with the pressurizing chamber that pressurizes the fuel sucked from the suction joint, and the discharge joint that discharges the fuel pressurized in the pressurizing chamber. The pump body is formed so that at least a part of the side surface portion thereof becomes a cylindrical portion or a polygonal shape portion. At least one of the discharge joint and the suction joint may be fixed on the inner peripheral side with respect to the outermost peripheral portion of the cylindrical portion or the polygonal shape portion of the side surface portion.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: March 10, 2020
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Satoshi Usui, Atsushi Hohkita, Masayuki Suganami, Kenichiro Tokuo, Minoru Hashida, Masamichi Yagai, Yuta Saso, Kazuaki Tokumaru, Atsuji Saito
  • Publication number: 20190323465
    Abstract: An object of the present invention is to supply a high-pressure fuel supply pump capable of holding a spring holding member while reducing the height of the pump body. A high-pressure fuel supply pump is provided with a pump body for forming a pressurizing chamber at an inner wall portion, and a flange portion for fixing the pump body to a high-pressure fuel supply pump mounting portion. The high-pressure fuel supply pump is provided with a cylinder and a spring holding member. The cylinder is inserted into a hole portion of the pump body from a lower side and in which the pressurizing chamber is formed further above an uppermost end surface. The spring holding member has an outer peripheral portion press-fitted and fixed to the pump body and a holding portion holding a spring portion for biasing the pump body between the outer peripheral portion and the inner peripheral portion.
    Type: Application
    Filed: October 26, 2017
    Publication date: October 24, 2019
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Atsuji SAITO, Satoshi USUI, Minoru HASHIDA, Masayuki SUGANAMI, Hiroyuki YAMADA, Kenichiro TOKUO, Masamichi YAGAI, Yuta SASO
  • Publication number: 20190301414
    Abstract: Provided is a high-pressure fuel supply pump capable of arranging a relief valve mechanism inside a pump body while suppressing an increase in size and an increase in manufacturing cost. Therefore, a high-pressure fuel supply pump of the present invention includes: a plunger that changes a volume of a pressurizing chamber by reciprocating an inside of a cylinder; a first hole formed from an outer circumferential surface of a pump body toward an inner circumferential side; a relief valve mechanism arranged in the first hole; and a second hole that returns fuel in a flow path on a discharge side of a discharge valve pressurized in the pressurizing chamber to a damper chamber or a plunger seal chamber communicating with the damper chamber when the relief valve mechanism opens in communication with the first hole.
    Type: Application
    Filed: April 11, 2017
    Publication date: October 3, 2019
    Inventors: Satoshi USUI, Atsuji SAITO, Minoru HASHIDA, Masamichi YAGAI, Kenichiro TOKUO, Masayuki SUGANAMI, Masahiko HAYATANI, Hiroyuki YAMADA
  • Patent number: 10409435
    Abstract: An input device that enables wires to be bent together with a base material without deteriorating translucency and conductivity of the wires has: a base material having translucency and flexibility; first electrode parts and second electrode parts, both having translucency, that are provided in a sensing region on the base material; and lead wires that are electrically continuous to the first electrode parts and second electrode parts, the lead wires extending, on the base material, from the sensing region to a peripheral region. A bent portion is provided in the peripheral region on the base material. Each lead wire has a flexible laminated body provided on the bent portion. The flexible laminated body has a first amorphous ITO layer provided on the base material, a conductive layer provided on the first amorphous ITO layer, and a second amorphous ITO layer provided on the conductive layer.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: September 10, 2019
    Assignee: Alps Alpine Co., Ltd.
    Inventors: Suguru Wada, Junji Hashida, Toru Sawada, Atsushi Matsuda, Toru Takahashi, Minoru Sato
  • Patent number: 10378524
    Abstract: A high-pressure fuel pump capable of reducing the number of components and decreasing the manufacturing cost by processing of a pump body is provided. The high-pressure fuel pump includes a metal damper, a pump body in which a damper housing that houses the metal damper is formed, a damper cover attached to the pump body, covering the damper housing, and holding the metal damper between the pump body and the damper cover, and a holding member fixed to the damper cover and holding the metal damper from a side opposite to the damper cover. The holding member is provided with an elastic portion that urges the pump body so that the metal damper is urged toward the damper cover.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: August 13, 2019
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Atsuji Saito, Satoshi Usui, Masamichi Yagai, Minoru Hashida, Masayuki Suganami, Kenichiro Tokuo, Atsushi Hohkita, Yuta Saso, Kazuaki Tokumaru
  • Patent number: 10337480
    Abstract: Provided is a high-pressure fuel pump in which responsiveness of closing a suction valve can be maintained even when the high-pressure fuel pump is increased in pressure or capacity of the high-pressure fuel pump is increased, thereby ensuring discharge efficiency. Therefore, the high-pressure fuel pump includes the rod that urges the suction valve in the valve opening direction, the mover that drives the rod in the valve closing direction, and the solenoid that generates a magnetic attraction force for moving the mover in the valve closing direction. After the suction valve starts moving from the suction valve closing position in the valve opening direction, the rod reaches the suction valve closing position and further moves in the valve opening direction.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: July 2, 2019
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Kenichiro Tokuo, Ryo Kusakabe, Shunsuke Aritomi, Satoshi Usui, Masayuki Suganami, Minoru Hashida, Masamichi Yagai, Yuta Saso, Atsuji Saito
  • Patent number: 10294907
    Abstract: A high pressure fuel supply pump includes: an electromagnetic suction valve that adjusts an amount of fuel sucked into a pressuring chamber; a discharge valve that discharges the fuel from the pressuring chamber; and a plunger that makes a reciprocating motion in the pressuring chamber. The electromagnetic suction valve includes an electromagnetic coil, a suction valve, and a movable portion that is able to close the suction valve by a magnetic force when the electromagnetic coil is energized. The movable portion includes an anchor that is driven to close the suction valve by the magnetic force and stops at a fixed member, and a rod that is driven with the anchor and is able to move even after the anchor stops. The electromagnetic suction valve includes a first and second springs that bias the suction valve in closed and open direction, respectively, and a third spring in the rod.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: May 21, 2019
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Minoru Hashida, Hiroyuki Yamada, Satoshi Usui, Kenichirou Tokuo, Masayuki Suganami, Atsushi Hohkita, Masamichi Yagai
  • Publication number: 20190128229
    Abstract: It is an object of the present invention to provide a high-pressure fuel supply pump having a pump body capable of improving corrosion resistance and weldability and being manufacturable by forging. Therefore, in the high-pressure fuel supply pump having a metal pump body forming a pressurizing chamber, the pump body is made of a steel material containing 12% to 18% of Cr and 3% to 7% of Ni, and the pump body has a forging surface on a part of the outer peripheral surface.
    Type: Application
    Filed: March 10, 2017
    Publication date: May 2, 2019
    Inventors: Minoru HASHIDA, Atsushi HOHKITA, Masayuki SUGANAMI, Satoshi USUI, Masaru KAWAI, Arata KAGIYAMA
  • Publication number: 20190003475
    Abstract: A high pressure fuel pump includes a pump housing, pressure and damper chambers, a metal diaphragm, a press-fitted portion, and a weld portion. The pressure chamber is provided in the pump housing. The damper chamber is formed by the pump housing and a damper cover. The metal diaphragm damper is arranged in the damper chamber. At the press-fitted portion, an annular surface of the damper cover is press fitted to an annular surface of the pump housing. The weld portion fixes the damper cover to the pump housing at an entire circumference of the press-fitted portion.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 3, 2019
    Inventors: Satoshi USUI, Shingo TAMURA, Katsumi MIYAZAKI, Sunao TAKAHASHI, Masayuki SUGANAMI, Minoru HASHIDA
  • Patent number: 10107285
    Abstract: A mechanism for reducing pressure pulsation includes a pair of metal dampers formed by joining two disk-shaped metal diaphragms over an entire circumference and forming a hermetically sealed space inside a joined portion. Gas is sealed in the aforementioned hermetically sealed space of the damper, and a pair of pressing members give pressing forces to both outer surfaces of the aforementioned metal dampers at a position at an inner diameter side from the joined portion. The mechanism is unitized, with the pair of pressing members being connected in a state in which they sandwich the metal damper.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: October 23, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Satoshi Usui, Shingo Tamura, Katsumi Miyazaki, Sunao Takahashi, Masayuki Suganami, Minoru Hashida
  • Publication number: 20180238287
    Abstract: Provided is a high-pressure fuel pump in which responsiveness of closing a suction valve can be maintained even when the high-pressure fuel pump is increased in pressure or capacity of the high-pressure fuel pump is increased, thereby ensuring discharge efficiency. Therefore, the high-pressure fuel pump includes the rod that urges the suction valve in the valve opening direction, the mover that drives the rod in the valve closing direction, and the solenoid that generates a magnetic attraction force for moving the mover in the valve closing direction. After the suction valve starts moving from the suction valve closing position in the valve opening direction, the rod reaches the suction valve closing position and further moves in the valve opening direction.
    Type: Application
    Filed: August 1, 2016
    Publication date: August 23, 2018
    Inventors: Kenichiro TOKUO, Ryo KUSAKABE, Shunsuke ARITOMI, Satoshi USUI, Masayuki SUGANAMI, Minoru HASHIDA, Masamichi YAGAI, Yuta SASO, Atsuji SAITO
  • Publication number: 20180171992
    Abstract: A high-pressure fuel pump capable of reducing the number of components and decreasing the manufacturing cost by processing of a pump body is provided. The high-pressure fuel pump includes a metal damper, a pump body in which a damper housing that houses the metal damper is formed, a damper cover attached to the pump body, covering the damper housing, and holding the metal damper between the pump body and the damper cover, and a holding member fixed to the damper cover and holding the metal damper from a side opposite to the damper cover. The holding member is provided with an elastic portion that urges the pump body so that the metal damper is urged toward the damper cover.
    Type: Application
    Filed: June 13, 2016
    Publication date: June 21, 2018
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Atsuji SAITO, Satoshi USUI, Masamichi YAGAI, Minoru HASHIDA, Masayuki SUGANAMI, Kenichiro TOKUO, Atsushi HOHKITA, Yuta SASO, Kazuaki TOKUMARU
  • Publication number: 20180135581
    Abstract: Provide is a high-pressure fuel pump capable of improving the degree of freedom of layout of members to be attached to a pump body and a producing method thereof. Therefore, the high-pressure fuel pump includes the suction joint that sucks fuel, the pump body formed with the pressurizing chamber that pressurizes the fuel sucked from the suction joint, and the discharge joint that discharges the fuel pressurized in the pressurizing chamber. The pump body is formed so that at least a part of the side surface portion thereof becomes a cylindrical portion or a polygonal shape portion. At least one of the discharge joint and the suction joint may be fixed on the inner peripheral side with respect to the outermost peripheral portion of the cylindrical portion or the polygonal shape portion of the side surface portion.
    Type: Application
    Filed: July 25, 2016
    Publication date: May 17, 2018
    Inventors: Satoshi USUI, Atsushi HOHKITA, Masayuki SUGANAMI, Kenichiro TOKUO, Minoru HASHIDA, Masamichi YAGAI, Yuta SASO, Kazuaki TOKUMARU, Atsuji SAITO
  • Publication number: 20180135579
    Abstract: Responsiveness of an electromagnetic flow-rate control valve provided for closing a suction valve is improved and a discharge flow rate is controlled to a desired value. A flow-rate control valve includes a fixed core arranged on an inner circumferential side of a coil, a yoke arranged on an outer circumferential side of the coil, and a cover portion opposed to the coil in an axial direction, in which the fixed core has an enlarged portion in contact with the cover portion in the axial direction and enlarging toward the coil, and the cover portion is regulated in the axial direction only by a contact portion with the fixed core.
    Type: Application
    Filed: June 3, 2016
    Publication date: May 17, 2018
    Inventors: Ryo KUSAKABE, Kenichiro TOKUO, Satoshi USUI, Minoru HASHIDA, Masayuki SUGANAMI, Atsushi HOHKITA, Eiichi KUBOTA, Daisuke KITAJIMA, Hiroshi HORIE
  • Publication number: 20170306905
    Abstract: An object of the present invention is to obtain a high pressure fuel supply pump capable of reducing pressure pulsation that occurs in a low pressure pipe, preventing damage to the low pressure pipe, or reducing noise due to vibrations of the low pressure pipe.
    Type: Application
    Filed: September 4, 2015
    Publication date: October 26, 2017
    Inventors: Satoshi USUI, Minoru HASHIDA, Masayuki SUGANAMI, Hiroyuki YAMADA, Atsushi HOHKITA