Patents by Inventor Yuhki TAKANAGA
Yuhki TAKANAGA 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: 10604004Abstract: A grille shutter unit which is provided with plural shutters extending in a vehicle width direction is attached to a frame-shaped shroud, a center stay is provided to extend in a vertical direction and connect a central portion, in a width direction, of a shroud upper and a central portion, in the width direction, of a shroud lower, the grille shutter unit is attached to a back-face side of the shroud, and an actuator (driving actuator) for opening/closing the shutters is arranged at a back-face side of the center stay.Type: GrantFiled: May 3, 2018Date of Patent: March 31, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Shunsuke Fujitani, Daisuke Sakagami, Haruo Etchu, Nobuyuki Nakayama, Yuhki Takanaga, Takeshi Yamada, Masahide Kanemori
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Patent number: 10350991Abstract: A grille shutter unit which is provided with shutters and a frame which pivotally supports shutter shafts provided at the shutters is attached to a frame-shaped shroud which supports heat exchangers. The grille shutter unit is configured to be attached to the shroud from a back-face side of the shroud at a position located in front of the heat exchangers.Type: GrantFiled: May 3, 2018Date of Patent: July 16, 2019Assignee: MAZDA MOTOR CORPORATIONInventors: Shunsuke Fujitani, Daisuke Sakagami, Haruo Etchu, Nobuyuki Nakayama, Yuhki Takanaga, Takeshi Yamada, Masahide Kanemori
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Patent number: 10343512Abstract: A vehicle is provided, which includes an engine bay having an upper wall, side walls, a front wall, and a rear wall, an engine disposed inside the engine bay, an upper lid part disposed inside the engine bay and covering the engine from above, a shroud disposed inside the engine bay and formed in a frame shape having an opening disposed forward of the engine, and a grille shutter provided to the shroud and configured to open and close the opening. A front end of the upper lid part is placed on an upper side of the shroud, and the grille shutter is closed when an ignition is off.Type: GrantFiled: June 27, 2018Date of Patent: July 9, 2019Assignee: Mazda Motor CorporationInventors: Yukiya Tanaka, Kazumi Okamura, Shunsuke Fujitani, Yuhki Takanaga
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Patent number: 10323852Abstract: Provided is a vehicle shutter capable of detecting a flap to which power transmission is cut off by providing turn restriction units each having a simple structure in flaps. The vehicle shutter is provided with: a plurality of flaps 13 capable of opening and closing an outside air introduction path 8 for introducing outside air into an engine compartment and arranged in parallel to each other so as to cross the outside air introduction path 8; a linkage operation section linking the flaps 13 with each other to perform an opening/closing operation of the flaps; a drive section driving the flaps 13 to be open and closed through the linkage operation section; an abnormality detection section detecting an abnormality of the flaps 13 on the basis of an operating state of the drive section; and an abnormality notification section notifying the abnormality to a user on the basis of output from the abnormality detection section.Type: GrantFiled: May 13, 2014Date of Patent: June 18, 2019Assignees: MAZDA MOTOR CORPORATION, STARLITE CO., LTD.Inventors: Yuhki Takanaga, Kazuma Kondou, Manabu Yamaoka, Yoshimitsu Hayamizu, Naoya Takashima
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Publication number: 20190061513Abstract: A vehicle is provided, which includes an engine bay having an upper wall, side walls, a front wall, and a rear wall, an engine disposed inside the engine bay, an upper lid part disposed inside the engine bay and covering the engine from above, a shroud disposed inside the engine bay and formed in a frame shape having an opening disposed forward of the engine, and a grille shutter provided to the shroud and configured to open and close the opening. A front end of the upper lid part is placed on an upper side of the shroud, and the grille shutter is closed when an ignition is off.Type: ApplicationFiled: June 27, 2018Publication date: February 28, 2019Inventors: Yukiya Tanaka, Kazumi Okamura, Shunsuke Fujitani, Yuhki Takanaga
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Publication number: 20190001810Abstract: A grille shutter unit which is provided with shutters and a frame which pivotally supports shutter shafts provided at the shutters is attached to a frame-shaped shroud which supports heat exchangers. The grille shutter unit is configured to be attached to the shroud from a back-face side of the shroud at a position located in front of the heat exchangers.Type: ApplicationFiled: May 3, 2018Publication date: January 3, 2019Applicant: MAZDA MOTOR CORPORATIONInventors: Shunsuke FUJITANI, Daisuke SAKAGAMI, Haruo ETCHU, Nobuyuki NAKAYAMA, Yuhki TAKANAGA, Takeshi YAMADA, Masahide KANEMORI
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Publication number: 20190001809Abstract: A grille shutter unit which is provided with plural shutters extending in a vehicle width direction is attached to a frame-shaped shroud, a center stay is provided to extend in a vertical direction and connect a central portion, in a width direction, of a shroud upper and a central portion, in the width direction, of a shroud lower, the grille shutter unit is attached to a back-face side of the shroud, and an actuator (driving actuator) for opening/closing the shutters is arranged at a back-face side of the center stay.Type: ApplicationFiled: May 3, 2018Publication date: January 3, 2019Applicant: MAZDA MOTOR CORPORATIONInventors: Shunsuke FUJITANI, Daisuke SAKAGAMI, Haruo ETCHU, Nobuyuki NAKAYAMA, Yuhki TAKANAGA, Takeshi YAMADA, Masahide KANEMORI
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Patent number: 9150096Abstract: A grill shutter unit comprises a shutter unit provided in back of a traveling-air introductory port formed at a front end of a vehicle body and including shutter members, and a traveling-air guide member including a guide frame portion provided at an outer peripheral edge portion of the shutter unit and a seal portion provided to extend forward continuously from a front end of the guide frame portion and be made from soft synthetic resin having more flexibility than the frame portion, wherein the grill shutter unit is configured such that when the shutter members are closed, a seal portion of the traveling-air guide member is pressed against an outer peripheral wall face of the traveling-air introductory port by pressure of traveling air shut off by the shutter members closed.Type: GrantFiled: February 26, 2014Date of Patent: October 6, 2015Assignee: Mazda Motor CorporationInventors: Yuhki Takanaga, Kazuma Kondou, Manabu Yamaoka
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Publication number: 20140291056Abstract: A grill shutter unit comprises a shutter unit provided in back of a traveling-air introductory port formed at a front end of a vehicle body and including shutter members, and a traveling-air guide member including a guide frame portion provided at an outer peripheral edge portion of the shutter unit and a seal portion provided to extend forward continuously from a front end of the guide frame portion and be made from soft synthetic resin having more flexibility than the frame portion, wherein the grill shutter unit is configured such that when the shutter members are closed, a seal portion of the traveling-air guide member is pressed against an outer peripheral wall face of the traveling-air introductory port by pressure of traveling air shut off by the shutter members closed.Type: ApplicationFiled: February 26, 2014Publication date: October 2, 2014Applicant: MAZDA MOTOR CORPORATIONInventors: Yuhki TAKANAGA, Kazuma KONDOU, Manabu YAMAOKA