Patents by Inventor Hiroaki Ue
Hiroaki Ue 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).
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Patent number: 9903500Abstract: A self-holding electromagnetic valve includes: a solenoid having a tubular guide part having the same center as a central axis extending in an axial direction; a axially movable element located radially inside the guide part; a cover housing the solenoid and the movable element, having a hole portion, and made of a magnetic material; a pin located at the hole portion and movable along with movement of the movable element; and a valve section provided outside the cover and opened/closed along with movement of the movable element and the pin. The solenoid has a cylindrical part with an inner circumferential surface that receives the guide part, tooth parts that extend radially outward from the cylindrical part and are made of a magnetic material, bobbin parts provided each tooth part, and coils wound around the bobbin parts.Type: GrantFiled: November 30, 2016Date of Patent: February 27, 2018Assignees: HONDA MOTOR CO., LTD., NIDEC TOSOK CORPORATIONInventors: Akira Fujita, Hiroaki Ue, Fumio Kai, Tomohiro Yasuda
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Patent number: 9885424Abstract: An electromagnetic valve includes: a solenoid having a tubular guide part having the same center as a central axis extending in an axial direction; a movable element disposed inside the guide part and movable in the axial direction; a cover housing the solenoid and the movable element, defining a hole portion, and made of a magnetic material; a pin located at the hole portion and movable along with movement of the movable element; and a valve section provided outside the cover and opened/closed along with movement of the movable element and the pin. The solenoid has a core that surrounds an outer side of the movable element in the radial direction, and a coil that magnetizes the core. The core has an annular ring part surrounding the outer side of the movable element, and tooth parts protruding radially outward from the ring part on which the coil is mounted.Type: GrantFiled: November 30, 2016Date of Patent: February 6, 2018Assignees: Honda Motor Co., Ltd., Nidec Tosok CorporationInventors: Akira Fujita, Hiroaki Ue, Fumio Kai, Tomohiro Yasuda
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Publication number: 20170159843Abstract: An electromagnetic valve includes: a solenoid having a tubular guide part having the same center as a central axis extending in an axial direction; a movable element disposed inside the guide part and movable in the axial direction; a cover housing the solenoid and the movable element, defining a hole portion, and made of a magnetic material; a pin located at the hole portion and movable along with movement of the movable element; and a valve section provided outside the cover and opened/closed along with movement of the movable element and the pin. The solenoid has a core that surrounds an outer side of the movable element in the radial direction, and a coil that magnetizes the core. The core has an annular ring part surrounding the outer side of the movable element, and tooth parts protruding radially outward from the ring part on which the coil is mounted.Type: ApplicationFiled: November 30, 2016Publication date: June 8, 2017Inventors: Akira Fujita, Hiroaki Ue, Fumio Kai, Tomohiro Yasuda
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Publication number: 20170159844Abstract: A self-holding electromagnetic valve includes: a solenoid having a tubular guide part having the same center as a central axis extending in an axial direction; a axially movable element located radially inside the guide part; a cover housing the solenoid and the movable element, having a hole portion, and made of a magnetic material; a pin located at the hole portion and movable along with movement of the movable element; and a valve section provided outside the cover and opened/closed along with movement of the movable element and the pin. The solenoid has a cylindrical part with an inner circumferential surface that receives the guide part, tooth parts that extend radially outward from the cylindrical part and are made of a magnetic material, bobbin parts provided each tooth part, and coils wound around the bobbin parts.Type: ApplicationFiled: November 30, 2016Publication date: June 8, 2017Inventors: Akira Fujita, Hiroaki Ue, Fumio Kai, Tomohiro Yasuda
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Patent number: 8444124Abstract: The natural vibration frequency of a roll resonance which does not occur since the engine rotation number is high in a normal operation range of an engine is detected at the time of engine start or stop when the engine rotation number is lower than the normal operation range, and thus the natural vibration frequency of the roil resonance can be detected with a good accuracy.Type: GrantFiled: August 11, 2008Date of Patent: May 21, 2013Assignee: Honda Motor Co., Ltd.Inventors: Shungo Fueki, Tetsuya Ishiguro, Hiroaki Ue, Hirotomi Nemoto, Tatsuhiro Yone
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Patent number: 7717409Abstract: An object of the present invention is to provide an active vibration isolating support apparatus to effectively reduce a transient vibration which occurs at the time of engine starting. In order to achieve the above object, an active vibration isolating support apparatus for suppressing a vibration transmitted to a vehicle body including: active mounts to elastically support a load of an engine in the vehicle body each of which includes an actuator; and a control unit to drive the actuator to extend and contract periodically in response to a waveform of the vibration of the engine; in which the control unit supplies a predetermined current to the actuator based on a starting control condition, and starts a control of the actuator based on a control instruction value of a current in response to the vibration of the engine is provided.Type: GrantFiled: March 5, 2009Date of Patent: May 18, 2010Assignee: Honda Motor Co., Ltd.Inventors: Tetsuya Ishiguro, Hiroaki Ue, Hirotomi Nemoto, Toshiyuki Ogino
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Publication number: 20090224446Abstract: An object of the present invention is to provide an active vibration isolating support apparatus to effectively reduce a transient vibration which occurs at the time of engine starting. In order to achieve the above object, an active vibration isolating support apparatus for suppressing a vibration transmitted to a vehicle body including: active mounts to elastically support a load of an engine in the vehicle body each of which includes an actuator; and a control unit to drive the actuator to extend and contract periodically in response to a waveform of the vibration of the engine; in which the control unit supplies a predetermined current to the actuator based on a starting control condition, and starts a control of the actuator based on a control instruction value of a current in response to the vibration of the engine is provided.Type: ApplicationFiled: March 5, 2009Publication date: September 10, 2009Applicant: Honda Motor Co., Ltd.Inventors: Tetsuya Ishiguro, Hiroaki Ue, Hirotomi Nemoto, Toshiyuki Ogino
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Publication number: 20090045560Abstract: The natural vibration frequency of a roll resonance which does not occur since the engine rotation number is high in a normal operation range of an engine is detected at the time of engine start or stop when the engine rotation number is lower than the normal operation range, and thus the natural vibration frequency of the roil resonance can be detected with a good accuracy.Type: ApplicationFiled: August 11, 2008Publication date: February 19, 2009Applicant: Honda Motor Co., Ltd.Inventors: Shungo Fueki, Tetsuya Ishiguro, Hiroaki Ue, Hirotomi Nemoto, Tatsuhiro Yone
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Patent number: 7128311Abstract: A vibration damping actuator including: a cup-shaped housing; an output member disposed spaced apart from an opening end of the housing; a guide rod disposed on the output member and positioned inserted into a guide hole; a coil member provided to one of the housing and the output member; an armature disposed on an other of the housing and the output member, the armature being adapted to exert actuating force on the output member; an annular fixing member arranged about the output member; a support rubber plate disposed between the annular fixing member and the output member; and a positioning projection formed at an inside peripheral edge of the fixing member by projecting the inside peripheral edge of the fixing member in cylindrical configuration in an axial direction towards an inside of the housing. The positioning projection is disposed at a location situated inward by a predetermined distance from the opening of the housing for positioning the fixing member relative to the housing.Type: GrantFiled: March 24, 2004Date of Patent: October 31, 2006Assignees: Tokai Rubber Industries, Ltd., Honda Motor Co., Ltd.Inventors: Katsuhiro Goto, Hajime Maeno, Kazuhiko Kato, Kei Okumura, Kouichi Maeda, Tetsuo Mikasa, Hirotomi Nemoto, Hiroaki Ue, Ken Iinuma
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Patent number: 7066454Abstract: An active type vibration isolating support system includes: an elastic body for elastically supporting a vibratory body; a liquid chamber to be defined by the elastic body; a movable member for changing capacity of the liquid chamber; and an actuator for driving the movable member. The actuator has: a fixed core; a movable core coupled to the movable member for being arranged opposite to the fixed core via an air gap; and a coil for generating an electromagnetic attracting force between the fixed and movable cores. The movable member and the movable core are coupled together through coupling units capable of adjusting the air gap. Thus, without preparing several types of coupling members, it is possible to obtain a desired vibration isolating characteristic by freely adjusting the air gap between the fixed core and the movable core.Type: GrantFiled: March 25, 2004Date of Patent: June 27, 2006Assignees: Keihin Corporation, Honda Motor Co., Ltd.Inventors: Hirozumi Kon, Tomohiko Kaneko, Hirotomi Nemoto, Hiroaki Ue, Tetsuo Mikasa, Ken Iinuma
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Patent number: 6994332Abstract: A vibration damping actuator including: a guide hole open onto a bottom face of a housing; a lid metal plate fitted into the opening of the guide hole with a size enough to hinder inward displacement thereof into the guide hole by an annular shoulder portion; an engaging groove disposed on an inner circumferential surface of the opening; a snap ring of C-letter shape fitted into the engaging groove to prevent the lid metal plate from becoming dislodged from the opening; and a sealing rubber layer formed covering an inside face of the lid metal plate. The lid metal plate is pressed by the snap ring so that the sealing rubber layer is pushed against the annular shoulder portion, thereby sealing the opening of the guide hole.Type: GrantFiled: March 24, 2004Date of Patent: February 7, 2006Assignees: Tokai Rubber Industries, Ltd., Honda Motor Co., Ltd.Inventors: Katsuhiro Goto, Hajime Maeno, Kei Okumura, Kazuhiko Kato, Kouichi Maeda, Tetsuo Mikasa, Hirotomi Nemoto, Hiroaki Ue, Ken Iinuma
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Publication number: 20050001365Abstract: An active type vibration isolating support system includes: an elastic body for elastically supporting a vibratory body; a liquid chamber to be defined by the elastic body; a movable member for changing capacity of the liquid chamber; and an actuator for driving the movable member. The actuator has: a fixed core; a movable core coupled to the movable member for being arranged opposite to the fixed core via an air gap; and a coil for generating an electromagnetic attracting force between the fixed and movable cores. The movable member and the movable core are coupled together through coupling units capable of adjusting the air gap. Thus, without preparing several types of coupling members, it is possible to obtain a desired vibration isolating characteristic by freely adjusting the air gap between the fixed core and the movable core.Type: ApplicationFiled: March 25, 2004Publication date: January 6, 2005Inventors: Hirozumi Kon, Tomohiko Kaneko, Hirotomi Nemoto, Hiroaki Ue, Tetsuo Mikasa, Ken Iinuma
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Publication number: 20040188905Abstract: A vibration damping actuator including: a cup-shaped housing; an output member disposed spaced apart from an opening end of the housing; a guide rod disposed on the output member and positioned inserted into a guide hole; a coil member provided to one of the housing and the output member; an armature disposed on an other of the housing and the output member, the armature being adapted to exert actuating force on the output member; an annular fixing member arranged about the output member; a support rubber plate disposed between the annular fixing member and the output member; and a positioning projection formed at an inside peripheral edge of the fixing member by projecting the inside peripheral edge of the fixing member in cylindrical configuration in an axial direction towards an inside of the housing. The positioning projection is disposed at a location situated inward by a predetermined distance from the opening of the housing for positioning the fixing member relative to the housing.Type: ApplicationFiled: March 24, 2004Publication date: September 30, 2004Applicants: TOKAI RUBBER INDUSTRIES, LTD., HONDA MOTOR CO., LTD.Inventors: Katsuhiro Goto, Hajime Maeno, Kazuhiko Kato, Kei Okumura, Kouichi Maeda, Tetsuo Mikasa, Hirotomi Nemoto, Hiroaki Ue, Ken IInuma
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Publication number: 20040188903Abstract: A vibration damping actuator including: a guide hole open onto a bottom face of a housing; a lid metal plate fitted into the opening of the guide hole with a size enough to hinder inward displacement thereof into the guide hole by an annular shoulder portion; an engaging groove disposed on an inner circumferential surface of the opening; a snap ring of C-letter shape fitted into the engaging groove to prevent the lid metal plate from becoming dislodged from the opening; and a sealing rubber layer formed covering an inside face of the lid metal plate. The lid metal plate is pressed by the snap so that the sealing rubber layer is pushed against the annular shoulder portion, thereby sealing the opening of the guide hole.Type: ApplicationFiled: March 24, 2004Publication date: September 30, 2004Applicants: TOKAI RUBBER INDUSTRIES, LTD., HONDA MOTOR CO., LTD.Inventors: Katsuhiro Goto, Hajime Maeno, Kei Okumura, Kazuhiko Kato, Kouichi Maeda, Tetsuo Mikasa, Hirotomi Nemoto, Hiroaki Ue, Ken Iinuma
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Patent number: 5847589Abstract: Pulse signal generating device includes a duty cycle calculator for calculating a target duty cycle at predetermined intervals, a duty cycle comparator for making a comparison between the target duty cycle calculated by the duty cycle calculator and a current duty cycle of a pulse signal being currently output from the device, and a pulse signal adjuster. The duty cycle comparator determines whether the target duty cycle has presented a variation (increase or decrease) from the current duty cycle by over a predetermined value. Once the duty cycle comparator detects that a difference between the target duty cycle and the current duty cycle is more than the predetermined value, the pulse signal adjuster adjusts the pulse signal, using a pulse rise point immediately before the detection as an adjustment reference point, in such a manner that the pulse signal assumes a duty cycle corresponding to the target duty cycle.Type: GrantFiled: January 23, 1997Date of Patent: December 8, 1998Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Takashi Arai, Hiroyuki Kuki, Hiroaki Ue