Patents by Inventor Keiji Miyoshi

Keiji Miyoshi 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: 10500947
    Abstract: A fuel supply device (FS) includes a filler neck (10) that includes a nozzle guiding path that guides a fuel supply nozzle (FN), and a fuel passage that is continuous to the nozzle guiding path on a downstream side of the fuel passage, through which fuel that has been discharged from the fuel supply nozzle (FN) passes; a fuel vapor port (23) located outside of the filler neck (10) that has a through hole (23H) that communicates with the fuel passage (11Pd); and a vapor introduction body (70) that guides the fuel vapor from the fuel vapor port to the fuel passage (11Pd).
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: December 10, 2019
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Masahiro Suda, Keiji Miyoshi, Shintaro Nonaka
  • Publication number: 20180229599
    Abstract: A fuel supply device (FS) includes a filler neck (10) that includes a nozzle guiding path that guides a fuel supply nozzle (FN), and a fuel passage that is continuous to the nozzle guiding path on a downstream side of the fuel passage, through which fuel that has been discharged from the fuel supply nozzle (FN) passes; a fuel vapor port (23) located outside of the filler neck (10) that has a through hole (23H) that communicates with the fuel passage (11Pd); and a vapor introduction body (70) that guides the fuel vapor from the fuel vapor port to the fuel passage (11Pd).
    Type: Application
    Filed: January 29, 2018
    Publication date: August 16, 2018
    Inventors: Masahiro SUDA, Keiji MIYOSHI, Shintaro NONAKA
  • Patent number: 9683300
    Abstract: A bipolar alkaline water electrolysis unit incorporated in an electrolytic cell for electrolyzing an electrolytic solution of alkaline water to obtain oxygen and hydrogen, the bipolar alkaline water electrolysis unit including an oxygen generating anode, a hydrogen generating cathode, a conductive partition wall that separates the anode and the cathode from each other, and an outer frame that surrounds the conductive partition wall, wherein a gas and electrolytic solution passage is provided at an upper portion of the conductive partition wall and/or the outer frame, and an electrolytic solution passage is provided at a lower part of the conductive partition wall and/or the outer frame.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: June 20, 2017
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Yasuhide Noaki, Yousuke Uchino, Keiji Miyoshi
  • Publication number: 20150203976
    Abstract: A bipolar alkaline water electrolysis unit incorporated in an electrolytic cell for electrolyzing an electrolytic solution of alkaline water to obtain oxygen and hydrogen, the bipolar alkaline water electrolysis unit including an oxygen generating anode, a hydrogen generating cathode, a conductive partition wall that separates the anode and the cathode from each other, and an outer frame that surrounds the conductive partition wall, wherein a gas and electrolytic solution passage is provided at an upper portion of the conductive partition wall and/or the outer frame, and an electrolytic solution passage is provided at a lower part of the conductive partition wall and/or the outer frame.
    Type: Application
    Filed: June 17, 2013
    Publication date: July 23, 2015
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Yasuhide Noaki, Yousuke Uchino, Keiji Miyoshi
  • Patent number: 7886759
    Abstract: A fuel cutoff valve comprises a casing and a float mechanism having a float and a seat portion. An upper vent hole is formed in the upper wall portion of the float, and a side portion communication hole is formed in the side wall portion. The passage area of the side portion communication hole is set so as to allow a large volume of vapors entering the float chamber to escape into the valve chamber. The passage area of the upper vent hole is set so that vapor entering the float chamber when the vehicle inclines escapes into the valve chamber, and the float chamber fills with fuel lifting the float, whereas when the vehicle turns sharply, the float is lifted without the float chamber filling with fuel.
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: February 15, 2011
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Keiji Miyoshi, Tomohide Aoki, Shinobu Kagamiuchi
  • Publication number: 20070186973
    Abstract: A fuel cutoff valve comprises a casing and a float mechanism having a float and a seat portion. An upper vent hole is formed in the upper wall portion of the float, and a side portion communication hole is formed in the side wall portion. The passage area of the side portion communication hole is set so as to allow a large volume of vapors entering the float chamber to escape into the valve chamber. The passage area of the upper vent hole is set so that vapor entering the float chamber when the vehicle inclines escapes into the valve chamber, and the float chamber fills with fuel lifting the float, whereas when the vehicle turns sharply, the float is lifted without the float chamber filling with fuel.
    Type: Application
    Filed: February 13, 2007
    Publication date: August 16, 2007
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Keiji Miyoshi, Tomohide Aoki, Shinobu Kagamiuchi
  • Patent number: 7168441
    Abstract: A fuel cutoff valve of the invention includes a casing body having a valve chamber and a holder element, a float having a seat member on its top, a movable valve element that is fitted in the holder element in a vertically movable manner, and a first connection conduit and a second connection conduit that connect inside of the valve chamber with outside. When the fuel level in a fuel tank rises to a preset first fluid level, the float moves up to shut off the first connection conduit. When the fuel level further rises to a preset second fluid level, the float further moves up to press the movable valve element up and shut off the second connection conduit. The fuel cutoff valve of this simple structure effectively prevents a blowing back flow of fuel in the course of fuel supply without requiring any subtle setting of a spring load.
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: January 30, 2007
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Keiji Miyoshi, Hiroshi Nishi
  • Patent number: 7013908
    Abstract: An apparatus is for inhibiting fuels from flowing out of fuel tanks, and includes a cover, a breather pipe, an upper case, a lower case, and a floating valve. The upper case is welded to the breather pipe in an airtight manner so as to form a chamber for holding the lower case, in which the floating valve is accommodated, therein. Moreover, the breather pipe is welded to the cover in an airtight manner. The apparatus not only obviates O-rings but also is downsized, because the upper case and the breather pipe are sealed by welding.
    Type: Grant
    Filed: April 22, 2004
    Date of Patent: March 21, 2006
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Keiji Miyoshi, Norihiro Yamada, Keisuke Yoshida, Tomohide Aoki
  • Publication number: 20040238033
    Abstract: A fuel cutoff valve of the invention includes a casing body having a valve chamber and a holder element, a float having a seat member on its top, a movable valve element that is fitted in the holder element in a vertically movable manner, and a first connection conduit and a second connection conduit that connect inside of the valve chamber with outside. When the fuel level in a fuel tank rises to a preset first fluid level, the float moves up to shut off the first connection conduit. When the fuel level further rises to a preset second fluid level, the float further moves up to press the movable valve element up and shut off the second connection conduit. The fuel cutoff valve of this simple structure effectively prevents a blowing back flow of fuel in the course of fuel supply without requiring any subtle setting of a spring load.
    Type: Application
    Filed: May 25, 2004
    Publication date: December 2, 2004
    Inventors: Keiji Miyoshi, Hiroshi Nishi
  • Publication number: 20040211465
    Abstract: An apparatus is for inhibiting fuels from flowing out of fuel tanks, and includes a cover, a breather pipe, an upper case, a lower case, and a floating valve. The upper case is welded to the breather pipe in an airtight manner so as to form a chamber for holding the lower case, in which the floating valve is accommodated, therein. Moreover, the breather pipe is welded to the cover in an airtight manner. The apparatus not only obviates O-rings but also is downsized, because the upper case and the breather pipe are sealed by welding.
    Type: Application
    Filed: April 22, 2004
    Publication date: October 28, 2004
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Keiji Miyoshi, Norihiro Yamada, Keisuke Yoshida, Tomohide Aoki
  • Patent number: 6722641
    Abstract: There is provided a liquid filled type vibration isolator in which damping action for both engine idling vibration and engine shake is carried out with the use of a single orifice. In the liquid filled type vibration isolator comprising a rubber-like insulator for absorbing and isolating vibration transmitted from an oscillating body, a main chamber having a chamber wall formed by a part of the insulator, and hermetically charged therein with liquid, an auxiliary chamber connected to the main chamber through the intermediary of an orifice and having a chamber wall a part of which is formed by a first diaphragm, a partition member partitioning between the main chamber and the auxiliary chamber, a working chamber defined and formed with respect to the main chamber by means of a second diaphragm, wherein the second diaphragm has a deforming stiffness which is higher than that of the first diaphragm. The liquid in the orifice effects resonant oscillation with a vibration input during engine idling operation.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: April 20, 2004
    Assignee: Toyo Tire & Rubber Co., Ltd.
    Inventors: Norihiro Yamada, Tatsuo Suzuki, Keiji Miyoshi, Yoshiki Shimoda
  • Publication number: 20040070125
    Abstract: To eliminate vibrations and noise in higher-order components of explosive vibrations of an engine in its idling revolution range, an insulator and a vibration-absorbing mechanism formed in line with the insulator are provided between an upper coupling member to be mounted on a vibratory body and a lower coupling member to be mounted on the car body. The vibration-absorbing mechanism comprises a main chamber sealed with liquid, a subsidiary chamber connected to the main chamber through a first orifice, an air chamber provided below the subsidiary chamber, a third liquid chamber connected to the main chamber through a second orifice, and a balance chamber partitioned and formed to the third liquid chamber through a second diaphragm. The balance chamber is provided with a changeover means introducing a negative pressure or atmospheric pressure and a control means controlling the actuation of the changeover means so as to synchronize it to vibration frequencies of higher-order components.
    Type: Application
    Filed: April 30, 2003
    Publication date: April 15, 2004
    Inventors: Osamu Nakagaki, Tatsuo Suzuki, Norihiro YAMADA, Tetsuo Asano, Keiji Miyoshi
  • Patent number: 6536751
    Abstract: A vibration absorber for absorbing a vibration between first and second members each of which is connected to the vibration absorber, includes a movable member adapted to contact with a fluid, and including a portion connected mechanically to one of the first and second members so that a movement of the fluid and a movement of the portion of the movable member correspond to each other, and a fluid moving member for flowing the fluid in either of an extension direction in which the portion of the movable member moves to increase a distance between the first and second members and a contraction direction in which the portion of the movable member moves to decrease the distance between the first and second members in such a manner that the vibration is restrained by a change of the distance between the first and second members from being transmitted between the first and second member.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: March 25, 2003
    Assignee: Toyo Tire & Rubber Co., Ltd.
    Inventors: Keiji Miyoshi, Tatsuo Suzuki, Norihiro Yamada
  • Publication number: 20030034598
    Abstract: A vibration absorber for absorbing a vibration between first and second members each of which is connected to the vibration absorber, includes a movable member adapted to contact with a fluid, and including a portion connected mechanically to one of the first and second members so that a movement of the fluid and a movement of the portion of the movable member correspond to each other, and a fluid moving member for flowing the fluid in either of an extension direction in which the portion of the movable member moves to increase a distance between the first and second members and a contraction direction in which the portion of the movable member moves to decrease the distance between the first and second members in such a manner that the vibration is restrained by a change of the distance between the first and second members from being transmitted between the first and second member.
    Type: Application
    Filed: October 16, 2002
    Publication date: February 20, 2003
    Inventors: Keiji Miyoshi, Tatsuo Suzuki, Norihiro Yamada
  • Publication number: 20020033568
    Abstract: There is provided a liquid filled type vibration isolator in which damping action for both engine idling vibration and engine shake is carried out with the use of a single orifice. In the liquid filled type vibration isolator comprising a rubber-like insulator for absorbing and isolating vibration transmitted from an oscillating body, a main chamber having a chamber wall formed by a part of the insulator, and hermetically charged therein with liquid, an auxiliary chamber connected to the main chamber through the intermediary of an orifice and having a chamber wall a part of which is formed by a first diaphragm, a partition member partitioning between the main chamber and the auxiliary chamber, a working chamber defined and formed with respect to the main chamber by means of a second diaphragm, wherein the second diaphragm has a deforming stiffness which is higher than that of the first diaphragm. The liquid in the orifice effects resonant oscillation with a vibration input during engine idling operation.
    Type: Application
    Filed: September 18, 2001
    Publication date: March 21, 2002
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Norihiro Yamada, Tatsuo Suzuki, Keiji Miyoshi, Yoshiki Shimoda
  • Publication number: 20020008341
    Abstract: Between the first linking member mounted on the vibrating body side and the second linking member mounted on a member on the car body side, the hydraulic vibration isolator has an insulator for isolating vibrations from the vibrating body. The main and auxiliary chambers in which an incompressible fluid (liquid) is sealed are provided in series with this insulator. The liquid is allowed to flow between the main chamber and the auxiliary chamber through an orifice. The partition member separates the main chamber and the auxiliary chamber from each other. The diaphragm forms a part of the chamber wall of the auxiliary chamber and separates the auxiliary chamber from an external atmosphere. The partition member is formed with a communication passage that connects the main chamber with the auxiliary chamber. In the communication passage is arranged a vibrator comprising an oscillating piston that oscillates the liquid in the main chamber at a predetermined frequency.
    Type: Application
    Filed: July 23, 2001
    Publication date: January 24, 2002
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Norihiro Yamada, Tatsuo Suzuki, Keiji Miyoshi, Osamu Hattori, Hiroyuki Nunome
  • Publication number: 20010013677
    Abstract: A vibration absorber for absorbing a vibration between first and second members each of which is connected to the vibration absorber, includes a movable member adapted to contact with a fluid, and including a portion connected mechanically to one of the first and second members so that a movement of the fluid and a movement of the portion of the movable member correspond to each other, and a fluid moving member for flowing the fluid in either of an extension direction in which the portion of the movable member moves to increase a distance between the first and second members and a contraction direction in which the portion of the movable member moves to decrease the distance between the first and second members in such a manner that the vibration is restrained by a change of the distance between the first and second members from being transmitted between the first and second member.
    Type: Application
    Filed: February 7, 2001
    Publication date: August 16, 2001
    Inventors: Keiji Miyoshi, Tatsuo Suzuki, Norihiro Yamada
  • Patent number: 5927698
    Abstract: A liquid sealed-type vibration-insulating device includes an upper connection member to be mounted on a vibrating member; a lower connection member of a cup-shape to be mounted on a member on a vehicle body; a vibration-insulating rubber member provided between the upper and lower connection members; an annular plate fixedly secured to a lower portion of the vibration-insulating rubber member; a tubular metal member connecting the annular plate to an upper open end of the lower connection member; a heat-resistant rubber sheet member connected between an upper open end of the tubular metal member and the upper connection member; a main liquid chamber formed by the vibration-insulating rubber member and the lower connection member; an auxiliary liquid chamber formed by the vibration-insulating rubber member and the heat-resistant rubber sheet member; an orifice communicating the main liquid chamber with the auxiliary liquid chamber; and a stopper member which is connected to the upper connection member and is l
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: July 27, 1999
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Keiji Miyoshi, Tatsuo Suzuki
  • Patent number: 4734180
    Abstract: A bipolar type electrolyzer unit cell includes an anode-side pan-shaped body and a cathode-side pan-shaped body which each comprise a hooked frame, frame wall, and partition wall and are disposed back to back; rod shaped frames inserted between the hooked flange and the frame wall in each body, and a bipolar type of electrolyzer in which a plurality of the unit cells is arranged in series.
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: March 29, 1988
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Masatoshi Sato, Keiji Miyoshi