Patents by Inventor Ryouhei Chiba
Ryouhei Chiba 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: 10890254Abstract: A shift drum drive unit (230) rotatably includes a rotary drive body (231) and a power transmission mechanism (232) in a unit case (234) attached integrally with a crank case (111). The shift drum drive unit (230) further includes a shift actuator (233) on the outside of the unit case (234). The rotary drive body (231) includes a shaft fitting sleeve (231a) in which a shift shaft (225) configured to rotatably drive a shift drum (224) is fitted, and an indirect output gear (231b) having a fan-shaped gear partially projecting from an outer surface of the shaft fitting sleeve (231a). The power transmission mechanism (232) includes a gear configured to transmit rotary drive force of the shift actuator (233) to the indirect output gear (231b).Type: GrantFiled: June 17, 2016Date of Patent: January 12, 2021Assignee: Kabushiki Kaisha F.C.C.Inventors: Shouji Makita, Kazuyoshi Miyachi, Ryouhei Chiba, Kaoru Iida
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Patent number: 10767710Abstract: A clutch drive unit 220 includes a crank arm 221 configured to rotate by rotary driving of a clutch actuator 231. The crank arm 221 includes an output pin 222 configured to press a master cylinder 232, and a receiving pin 223 configured to receive pressing force P from an extendable body 228. The extendable body 228 includes a lock spring 228a with such strength that the pressing force P is generated. The pressing force P allows pressing moment PM greater than reactive force moment RM based on reactive force R acting on the crank arm 221 from a clutch 210 to act on the crank arm 221. The extendable body 228 is, by the stretching force of the lock spring 228a, provided in a stretched state between the receiving pin 223 and a holder receiving pin 229.Type: GrantFiled: June 17, 2016Date of Patent: September 8, 2020Assignee: Kabushiki Kaisha F.C.C.Inventors: Shouji Makita, Kazuyoshi Miyachi, Ryouhei Chiba, Kaoru Iida
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Patent number: 10550939Abstract: Provided is a saddle-ride type vehicle, which does not reduce cooling efficiency of an engine, is hardly affected by heat from the engine, and can increase a degree of freedom of configuration such as the orientation at the time of arrangement, size and shape of a shift actuator. The saddle-ride type vehicle (100) includes the engine (120), and the engine (120) has a cylinder block (120a), a cylinder head (120b) and a head cover (120c) and has a crankcase (123) below the cylinder block (120a). The saddle-ride type vehicle (100) also includes a shift drum drive unit (140) for rotating a shift drum (136) which changes a gear train (133) in a transmission (132). The shift drum drive unit (140) includes a shift actuator (141) formed of an electric motor, and a decelerator (142). The shift drum drive unit (140) is attached to a front surface of the crankcase (123) below the cylinder block (120a) via a unit case (146) housing the decelerator (142).Type: GrantFiled: June 28, 2017Date of Patent: February 4, 2020Assignee: Kabushiki Kaisha F.C.C.Inventors: Kazuyoshi Miyachi, Shouji Makita, Ryouhei Chiba, Kaoru Iida
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Publication number: 20190277400Abstract: Provided is a saddle-ride type vehicle, which does not reduce cooling efficiency of an engine, is hardly affected by heat from the engine, and can increase a degree of freedom of configuration such as the orientation at the time of arrangement, size and shape of a shift actuator. The saddle-ride type vehicle (100) includes the engine (120), and the engine (120) has a cylinder block (120a), a cylinder head (120b) and a head cover (120c) and has a crankcase (123) below the cylinder block (120a). The saddle-ride type vehicle (100) also includes a shift drum drive unit (140) for rotating a shift drum (136) which changes a gear train (133) in a transmission (132). The shift drum drive unit (140) includes a shift actuator (141) formed of an electric motor, and a decelerator (142). The shift drum drive unit (140) is attached to a front surface of the crankcase (123) below the cylinder block (120a) via a unit case (146) housing the decelerator (142).Type: ApplicationFiled: June 28, 2017Publication date: September 12, 2019Inventors: Kazuyoshi MIYACHI, Shouji MAKITA, Ryouhei CHIBA, Kaoru IIDA
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Patent number: 10220914Abstract: An object of the present invention is to provide a saddle-type vehicle which can switch between the parking brake state and the neutral state using a clutch actuator configured to operate the clutch and thus lower the manufacturing cost. According to the present disclosure, there is provided a saddle-type vehicle which can be driven by a driver sitting on a seat and steering a bar handle.Type: GrantFiled: April 8, 2016Date of Patent: March 5, 2019Assignee: Kabushiki Kaisha F.C.C.Inventors: Tatsuyuki Ohashi, Kazuyoshi Miyachi, Shouji Makita, Ryouhei Chiba, Kaoru Iida, Makoto Sato
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Patent number: 10099748Abstract: A saddle-type vehicle can be driven by finer control by judging the driver's demand based on operation of the driver relative to the vehicle when the engine is started from the idle-stop state. A saddle-type vehicle can include bar handle mounted on its opposite tip ends a grasping grip grasped by the driver and a throttle grip for an accelerator operation; an engine controller for automatically stopping an engine and making the engine an idle-stop state: and a clutch. The saddle-type vehicle can include a judgment controller for judging a driver's demand based on operation conditions of the driver relative to the vehicle and a clutch controller for selecting a travel state and a stopped state.Type: GrantFiled: January 25, 2016Date of Patent: October 16, 2018Assignee: Kabushiki Kaisha F.C.C.Inventors: Tatsuyuki Ohashi, Kazuyoshi Miyachi, Shouji Makita, Ryouhei Chiba, Kaoru Iida, Makoto Sato
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Publication number: 20180215258Abstract: A clutch drive unit 220 includes a crank arm 221 configured to rotate by rotary driving of a clutch actuator 231. The crank arm 221 includes an output pin 222 configured to press a master cylinder 232, and a receiving pin 223 configured to receive pressing force P from an extendable body 228. The extendable body 228 includes a lock spring 228a with such strength that the pressing force P is generated. The pressing force P allows pressing moment PM greater than reactive force moment RM based on reactive force R acting on the crank arm 221 from a clutch 210 to act on the crank arm 221. The extendable body 228 is, by the stretching force of the lock spring 228a, provided in a stretched state between the receiving pin 223 and a holder receiving pin 229.Type: ApplicationFiled: June 17, 2016Publication date: August 2, 2018Inventors: Shouji MAKITA, Kazuyoshi MIYACHI, Ryouhei CHIBA, Kaoru IIDA
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Publication number: 20180209538Abstract: A shift drum drive unit (230) rotatably includes a rotary drive body (231) and a power transmission mechanism (232) in a unit case (234) attached integrally with a crank case (111). The shift drum drive unit (230) further includes a shift actuator (233) on the outside of the unit case (234). The rotary drive body (231) includes a shaft fitting sleeve (231a) in which a shift shaft (225) configured to rotatably drive a shift drum (224) is fitted, and an indirect output gear (231b) having a fan-shaped gear partially projecting from an outer surface of the shaft fitting sleeve (231a). The power transmission mechanism (232) includes a gear configured to transmit rotary drive force of the shift actuator (233) to the indirect output gear (231b).Type: ApplicationFiled: June 17, 2016Publication date: July 26, 2018Inventors: Shouji MAKITA, Kazuyoshi MIYACHI, Ryouhei CHIBA, Kaoru IIDA
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Patent number: 9981661Abstract: A saddled vehicle can comprise a handlebar on tip ends of which are provided a grasping grip to be grasped by a driver and a throttle grip for an accelerator operation, a first brake device and a second brake device for performing a braking operations. The vehicle can also include a gradient detector for detecting a road gradient during travel of the vehicle, and a deceleration adjustment device for automatically adjusting the deceleration of the vehicle in accordance with the road gradient detected by the gradient detection device and operation conditions of the first brake device and the second brake device.Type: GrantFiled: July 22, 2016Date of Patent: May 29, 2018Assignee: KABUSHIKI KAISHA F.C.C.Inventors: Tatsuyuki Ohashi, Kazuyoshi Miyachi, Shouji Makita, Ryouhei Chiba, Kaoru Iida, Makoto Sato
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Patent number: 9873484Abstract: A saddle-type vehicle can be configured to perform idle-stop during deceleration corresponding to a driver's demand. In some embodiments, the vehicle comprises a bar handle mounted on its opposite tip ends with a grasping grip grasped by the driver and a throttle grip for accelerator operation; two operation controls for performing braking operation, at least one of which being a first brake and a second brake mounted on tip ends of the bar handle; and an engine controller for automatically stopping an engine and making the engine an idle-stop state. In some cases, the saddle-type vehicle further comprises a judgment controller for judging whether a simultaneous operation of the first and second brakes has been achieved; and the engine controller performs the idle-stop during deceleration of the vehicle when the judgment controller judges that the simultaneous operation of the first and second brakes has been performed.Type: GrantFiled: January 25, 2016Date of Patent: January 23, 2018Assignee: KABUSHIKI KAISHA F.C.C.Inventors: Tatsuyuki Ohashi, Kazuyoshi Miyachi, Shouji Makita, Ryouhei Chiba, Kaoru Iida, Makoto Sato
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Publication number: 20170057513Abstract: A saddled vehicle can comprise a handlebar on tip ends of which are provided a grasping grip to be grasped by a driver and a throttle grip for an accelerator operation, a first brake device and a second brake device for performing a braking operations. The vehicle can also include a gradient detector for detecting a road gradient during travel of the vehicle, and a deceleration adjustment device for automatically adjusting the deceleration of the vehicle in accordance with the road gradient detected by the gradient detection device and operation conditions of the first brake device and the second brake device.Type: ApplicationFiled: July 22, 2016Publication date: March 2, 2017Inventors: Tatsuyuki Ohashi, Kazuyoshi Miyachi, Shouji Makita, Ryouhei Chiba, Kaoru Iida, Makoto Sato
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Publication number: 20160221641Abstract: An object of the present invention is to provide a saddle-type vehicle which can switch between the parking brake state and the neutral state using a clutch actuator configured to operate the clutch and thus lower the manufacturing cost. According to the present disclosure, there is provided a saddle-type vehicle which can be driven by a driver sitting on a seat and steering a bar handle.Type: ApplicationFiled: April 8, 2016Publication date: August 4, 2016Inventors: Tatsuyuki Ohashi, Kazuyoshi Miyachi, Shouji Makita, Ryouhei Chiba, Kaoru Iida, Makoto Sato
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Publication number: 20160137261Abstract: A saddle-type vehicle can be configured to perform idle-stop during deceleration corresponding to a driver's demand. In some embodiments, the vehicle comprises a bar handle mounted on its opposite tip ends with a grasping grip grasped by the driver and a throttle grip for accelerator operation; two operation controls for performing braking operation, at least one of which being a first brake and a second brake mounted on tip ends of the bar handle; and an engine controller for automatically stopping an engine and making the engine an idle-stop state. In some cases, the saddle-type vehicle further comprises a judgment controller for judging whether a simultaneous operation of the first and second brakes has been achieved; and the engine controller performs the idle-stop during deceleration of the vehicle when the judgment controller judges that the simultaneous operation of the first and second brakes has been performed.Type: ApplicationFiled: January 25, 2016Publication date: May 19, 2016Inventors: Tatsuyuki Ohashi, Kazuyoshi Miyachi, Shouji Makita, Ryouhei Chiba, Kaoru Iida, Makoto Sato
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Publication number: 20160137262Abstract: A saddle-type vehicle can be driven by finer control by judging the driver's demand based on operation of the driver relative to the vehicle when the engine is started from the idle-stop state. A saddle-type vehicle can include bar handle mounted on its opposite tip ends a grasping grip grasped by the driver and a throttle grip for an accelerator operation; an engine controller for automatically stopping an engine and making the engine an idle-stop state: and a clutch. The saddle-type vehicle can include a judgment controller for judging a driver's demand based on operation conditions of the driver relative to the vehicle and a clutch controller for selecting a travel state and a stopped state.Type: ApplicationFiled: January 25, 2016Publication date: May 19, 2016Inventors: Tatsuyuki Ohashi, Kazuyoshi Miyachi, Shouji Makita, Ryouhei Chiba, Kaoru Iida, Makoto Sato
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Patent number: 9302576Abstract: A power transmitting apparatus for a hybrid vehicle can transmit the driving force of engine E to the motor M or reversely the driving force of motor M to the engine E when the vehicle is stopped while avoiding transmission of the driving force of either of them to the driving wheels D such that the vehicle remains stopped. In some embodiments, a power transmitting apparatus for a hybrid vehicle can comprise a first clutch operatively posited between an engine mounted on a vehicle to driving wheels in a power transmission system and configured to transmit or cutoff driving force of the engine to or from the driving wheels; a second clutch operatively positioned between a motor mounted on a vehicle to the driving wheels in a power transmission system and configured to transmit or cut off driving force of the motor to or from the driving wheels.Type: GrantFiled: May 10, 2011Date of Patent: April 5, 2016Assignee: Kabushiki Kaisha F.C.C.Inventors: Tatsuyuki Ohashi, Shouji Asatsuke, Akio Oishi, Ryouhei Chiba, Jun Ishimura, Keiichi Ishikawa
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Patent number: 8801573Abstract: A power transmitting apparatus for a vehicle mounted with a torque converter and an idle-stop mechanism can be configured to improve fuel economy without cancelling a fuel-cut-off during vehicle speed reduction and to reduce the manufacturing cost by eliminating an electrically-driven oil pump. A power transmitting apparatus can comprise a torque converter, a clutch mechanism, an oil pump, a continuously variable transmission, a clutch control device, an engine control device, and a flow control device. The flow control device can be configured to limit or prevent the supply of oil to the torque converter by the oil pump and to prioritize the supply of oil to the clutch mechanism and the continuously variable transmission when the vehicle speed is reduced below a predetermined value with fuel being cut off by the engine control device during vehicle speed reduction.Type: GrantFiled: July 3, 2012Date of Patent: August 12, 2014Assignee: Kabushiki Kaisha F.C.C.Inventors: Tatsuyuki Ohashi, Shouji Asatsuke, Akio Oishi, Ryouhei Chiba, Jun Ishimura, Keiichi Ishikawa
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Patent number: 8758198Abstract: A power transmitting apparatus for a vehicle mounted with a torque converter can be configured to instantly supply sufficient oil to a clutch mechanism on restart of the engine after an idle-stop without an electrically-driven oil pump. A power transmitting apparatus can comprise a torque converter having a torque amplifying function, a clutch mechanism, an oil pump, a clutch control device, an engine control device, and a flow control device. The oil pump can be driven by the driving power of the engine to supply oil to the clutch mechanism and the torque converter to operate them. The flow control device can be configured to limit or prevent the supply of oil to the torque converter by the oil pump and to prioritize the supply of oil to the clutch mechanism when the engine is restarted by the engine control device after the idle-stopped condition.Type: GrantFiled: October 25, 2012Date of Patent: June 24, 2014Assignee: Kabushiki Kaisha F.C.C.Inventors: Tatsuyuki Ohashi, Shouji Asatsuke, Akio Oishi, Ryouhei Chiba, Jun Ishimura, Keiichi Ishikawa
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Patent number: 8360914Abstract: A power transmitting apparatus configured to improve vehicle starting performance using the torque amplifying function of a torque converter, improve power transmitting efficiency during steady vehicle operation and reduce size of the power transmitting apparatus. A power transmitting apparatus configured to transmit power from a driving source of a vehicle to its wheels configured to selectively transmit/cut-off driving force to the wheels comprises a torque converter having a torque amplifying function. A clutch mechanism includes a first clutch to transmit the driving force to the wheels through a power transmitting system of the torque converter and a second clutch to transmit the driving force without the power transmitting system of the torque converter. A selecting device controls the first/second clutch per the conditions of the vehicle. A planetary gear configured to select the power transmission pathway during forward operation and switch the power transmission pathway during reverse operation.Type: GrantFiled: June 14, 2011Date of Patent: January 29, 2013Assignee: Kabushiki Kaisha F.C.C.Inventors: Tatsuyuki Ohashi, Shouji Asatsuke, Akio Oishi, Ryouhei Chiba, Jun Ishimura, Keiichi Ishikawa
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Patent number: 8323148Abstract: A power transmitting apparatus for a vehicle mounted with a torque converter can be configured to instantly supply sufficient oil to a clutch mechanism on restart of the engine after an idle-stop without an electrically-driven oil pump. A power transmitting apparatus can comprise a torque converter having a torque amplifying function, a clutch mechanism, an oil pump, a clutch control device, an engine control device, and a flow control device. The oil pump can be driven by the driving power of the engine to supply oil to the clutch mechanism and the torque converter to operate them. The flow control device can be configured to limit or prevent the supply of oil to the torque converter by the oil pump and to prioritize the supply of oil to the clutch mechanism when the engine is restarted by the engine control device after the idle-stopped condition.Type: GrantFiled: September 16, 2011Date of Patent: December 4, 2012Assignee: Kabushiki Kaisha F.C.C.Inventors: Tatsuyuki Ohashi, Shouji Asatsuke, Akio Oishi, Ryouhei Chiba, Jun Ishimura, Keiichi Ishikawa
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Publication number: 20120270702Abstract: A power transmitting apparatus for a vehicle mounted with a torque converter and an idle-stop mechanism can be configured to improve fuel economy without cancelling a fuel-cut-ff during vehicle speed reduction and to reduce the manufacturing cost by eliminating an electrically-driven oil pump. A power transmitting apparatus can comprise a torque converter, a clutch mechanism, an oil pump, a continuously variable transmission, a clutch control device, an engine control device, and a flow control device. The flow control device can be configured to limit or prevent the supply of oil to the torque converter by the oil pump and to prioritize the supply of oil to the clutch mechanism and the continuously variable transmission when the vehicle speed is reduced below a predetermined value with fuel being cut off by the engine control device during vehicle speed reduction.Type: ApplicationFiled: July 3, 2012Publication date: October 25, 2012Applicant: KABUSHIKI KAISHA F.C.C.Inventors: Tatsuyuki Ohashi, Shouji Asatsuke, Akio Oishi, Ryouhei Chiba, Jun Ishimura, Keiichi Ishikawa