Patents by Inventor Norio Yamazaki
Norio Yamazaki 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: 11167788Abstract: Even in the case that the steered wheels are turned by an actual turning angle due to a disturbance from the road surface, and the steering shaft, which is mechanically connected to the steered wheels, attempts to rotate, a command current to an assist motor is set so that the actual turning angle becomes a corrected target turning angle. The force (torque) that attempts to cause rotation of the steering shaft due to the disturbance input from the road surface is instantaneously canceled by the assist motor.Type: GrantFiled: November 27, 2018Date of Patent: November 9, 2021Assignee: Honda Motor Co., Ltd.Inventors: Soichiro Ito, Norio Yamazaki, Toshihiro Yoda
-
Publication number: 20190161112Abstract: Even in the case that the steered wheels are turned by an actual turning angle due to a disturbance from the road surface, and the steering shaft, which is mechanically connected to the steered wheels, attempts to rotate, a command current to an assist motor is set so that the actual turning angle becomes a corrected target turning angle. The force (torque) that attempts to cause rotation of the steering shaft due to the disturbance input from the road surface is instantaneously canceled by the assist motor.Type: ApplicationFiled: November 27, 2018Publication date: May 30, 2019Inventors: Soichiro ITO, Norio YAMAZAKI, Toshihiro YODA
-
Patent number: 10151056Abstract: A sewing machine that includes a sewing bed on which a plurality of cloth pieces are placed in a manner of being overlaid on each other; a felting needle; a woolen yarn guide provided at a lower end of a safety cover for covering the felting needle; and a device configured to raise and lower the felting needle toward the plurality of overlaid cloth pieces, and the woolen yarn guide is configured to guide a woolen yarn from a bobbin or a woolen yarn ball to a sewing location, and the device is configured to raise and lower the felting needle so that needle felting in which the felting needle is thrusted into the plurality of cloth pieces and the woolen yarn is performed, and thereby the plurality of cloth pieces are sewn together.Type: GrantFiled: September 15, 2017Date of Patent: December 11, 2018Assignee: AXE YAMAZAKI CO., LTD.Inventor: Norio Yamazaki
-
Publication number: 20180002852Abstract: A sewing machine that includes a sewing bed on which a plurality of cloth pieces are placed in a manner of being overlaid on each other; a felting needle; a woolen yarn guide provided at a lower end of a safety cover for covering the felting needle; and a device configured to raise and lower the felting needle toward the plurality of overlaid cloth pieces, and the woolen yarn guide is configured to guide a woolen yarn from a bobbin or a woolen yarn ball to a sewing location, and the device is configured to raise and lower the felting needle so that needle felting in which the felting needle is thrusted into the plurality of cloth pieces and the woolen yarn is performed, and thereby the plurality of cloth pieces are sewn together.Type: ApplicationFiled: September 15, 2017Publication date: January 4, 2018Applicant: Axe Yamazaki Co., Ltd.Inventor: Norio Yamazaki
-
Patent number: 9802644Abstract: An electronic power steering apparatus for a vehicle having a steering mechanism to generate a steering assisting force includes: a steering angle sensor; a steering torque sensor; a target steering torque setting unit for setting a target steering torque based on the detected steering angle; a torque deviation computing unit for computing a torque deviation between the target steering torque and the detected steering torque; a first target current value computing unit for computing a first target current value for generating a steering assisting force by the motor based on the computed torque deviation; and a vehicle speed sensitivity adjusting unit that adjusts the first target current value, at least corresponding to a detected vehicle speed, and outputs the adjusted first current value as a second target current value. The motor control unit controls the motor to generate the steering assisting force based on the second target current value.Type: GrantFiled: November 22, 2011Date of Patent: October 31, 2017Assignee: Honda Motor Co., Ltd.Inventors: Kouji Nakamura, Kazuhiko Inaba, Shigenobu Sekiya, Tomohiro Morikami, Junichi Seto, Satoshi Kawabe, Norio Yamazaki
-
Patent number: 9701334Abstract: A vehicle steering device includes a steering wheel operated by a driver to steer a vehicle; a steering reaction force motor that applies a reaction force to the steering wheel; a turning device that turns turning wheels of the vehicle by a turning motor; a clutch mechanism that mechanically connects and disconnects the steering wheel with and from the turning device; a control device that provides control so that a turning angle is based on a steering angle of the steering wheel; and a temperature sensor that measures a temperature. The vehicle steering device mechanically couples the steering wheel and the turning device and activates the steering wheel and the turning device if the temperature is a predetermined value or lower.Type: GrantFiled: January 20, 2015Date of Patent: July 11, 2017Assignee: HONDA MOTOR CO., LTD.Inventors: Toshikatsu Kuramochi, Norio Yamazaki, Munetsugu Hanji, Kenichi Nakajima
-
Publication number: 20150203147Abstract: A vehicle steering device includes a steering wheel operated by a driver to steer a vehicle; a steering reaction force motor that applies a reaction force to the steering wheel; a turning device that turns turning wheels of the vehicle by a turning motor; a clutch mechanism that mechanically connects and disconnects the steering wheel with and from the turning device; a control device that provides control so that a turning angle is based on a steering angle of the steering wheel; and a temperature sensor that measures a temperature. The vehicle steering device mechanically couples the steering wheel and the turning device and activates the steering wheel and the turning device if the temperature is a predetermined value or lower.Type: ApplicationFiled: January 20, 2015Publication date: July 23, 2015Applicant: HONDA MOTOR CO., LTDInventors: Toshikatsu Kuramochi, Norio Yamazaki, Munetsugu Hanji, Kenichi Nakajima
-
Patent number: 8972113Abstract: Provided is an electric power steering system that prevents the oscillation of the steering wheel at each steering stroke end. If the steering stroke end flag Fse is 1 or if the determination result is Yes in step S8, the EPS-ECU (21) determines if the right steering flag (Fdrc) is 1 in step S10. If the determination result is Yes, it is then determined if the steering torque difference base value (Dtsb) is positive in step S11. If the determination result of step S11 is Yes, the EPS-ECU (21) uses the steering torque difference base value (Dtsb) as the steering torque difference (Dts) in step S12. If the determination result is No, the steering torque difference (Dts) is given by a value 0 in step S13, and the control process is concluded.Type: GrantFiled: October 26, 2011Date of Patent: March 3, 2015Assignee: Honda Motor Co., Ltd.Inventors: Junichi Seto, Kazuhiko Inaba, Norio Yamazaki, Kouji Nakamura, Satoshi Kawabe
-
Patent number: 8954233Abstract: A vehicle body drifting suppression device including a steering torque detection unit which detects a steering torque of a vehicle, wherein a vehicle body drifting suppression is performed according to a vehicle body drifting suppression control-amount, and the vehicle body drifting suppression control-amount is adjusted according to a temporal sustention status of the steering torque.Type: GrantFiled: May 13, 2009Date of Patent: February 10, 2015Assignee: Honda Motor Co., Ltd.Inventors: Yoshifumi Nakamura, Norio Yamazaki, Shigenori Takimoto, Yoshimichi Kawamoto
-
Patent number: 8655550Abstract: An electric power steering system includes an electric assist motor, a controller, a first corrector, and a second corrector. The electric assist motor is configured to assist steering according to a steering assist amount. The controller is configured to control the steering assist amount in accordance with an input steering force. The first corrector is configured to correct the steering assist amount with a correction amount in accordance with a steering torque during running on a cant road. The second corrector is configured to correct the correction amount in accordance with a steering angular velocity.Type: GrantFiled: September 14, 2009Date of Patent: February 18, 2014Assignee: Honda Motor Co., Ltd.Inventors: Yoshifumi Nakamura, Norio Yamazaki, Shigenori Takimoto, Yoshimichi Kawamoto
-
Publication number: 20140019008Abstract: An electronic power steering apparatus for a vehicle having a steering mechanism to generate a steering assisting force includes: a steering angle sensor; a steering torque sensor; a target steering torque setting unit for setting a target steering torque based on the detected steering angle; a torque deviation computing unit for computing a torque deviation between the target steering torque and the detected steering torque; a first target current value computing unit for computing a first target current value for generating a steering assisting force by the motor based on the computed torque deviation; and a vehicle speed sensitivity adjusting unit that adjusts the first target current value, at least corresponding to a detected vehicle speed, and outputs the adjusted first current value as a second target current value. The motor control unit controls the motor to generate the steering assisting force based on the second target current value.Type: ApplicationFiled: November 22, 2011Publication date: January 16, 2014Applicant: HONDA MOTOR CO., LTD.Inventors: Kouji Nakamura, Kazuhiko Inaba, Shigenobu Sekiya, Tomohiro Morikami, Junichi Seto, Satoshi Kawabe, Norio Yamazaki
-
Patent number: 8594880Abstract: A vehicle body drifting restraining device restraining a drifting of a vehicle body of a vehicle, the vehicle body drifting restraining device comprising: an activeness level determination unit determining an activeness level of a driver with respect to a movement of the vehicle in a longitudinal direction; and a vehicle body drifting restraining control permission/prohibition switch permitting or prohibiting a control restraining the drifting of the vehicle body, wherein the control restraining the drifting of the vehicle body is executed only when the activeness level determination unit determines that the activeness level is low.Type: GrantFiled: April 21, 2009Date of Patent: November 26, 2013Assignee: Honda Motor Co., Ltd.Inventors: Norio Yamazaki, Shigenori Takimoto, Yoshifumi Nakamura, Yoshimichi Kawamoto
-
Publication number: 20130238196Abstract: Provided is an electric power steering system that prevents the oscillation of the steering wheel at each steering stroke end. If the steering stroke end flag Fse is 1 or if the determination result is Yes in step S8, the EPS-ECU (21) determines if the right steering flag (Fdrc) is 1 in step S10. If the determination result is Yes, it is then determined if the steering torque difference base value (Dtsb) is positive in step S11. If the determination result of step S11 is Yes, the EPS-ECU (21) uses the steering torque difference base value (Dtsb) as the steering torque difference (Dts) in step S12. If the determination result is No, the steering torque difference (Dts) is given by a value 0 in step S13, and the control process is concluded.Type: ApplicationFiled: October 26, 2011Publication date: September 12, 2013Applicant: Honda Motor Co., Ltd.Inventors: Junichi Seto, Kazuhiko Inaba, Norio Yamazaki, Kouji Nakamura, Satoshi Kawabe
-
Patent number: 8267219Abstract: In a steering system for a vehicle incorporated with a rear drive electric motor (5) for driving a pair of rear wheels (3rl, 3rr) that can function as a regenerative brake for the rear wheels, a steering torque control unit (38) reduces a steering assist torque provided by the power steering assist unit (21) when the rear drive electric motor is providing a regenerative braking. When the rear wheels are braked by a regenerative braking action without substantially applying a brake to the front wheel, the vehicle may acquire a temporal oversteer tendency. However, by increasing the effort required to steer the front wheels, such a tendency can be canceled or compensated, and the vehicle operator is enabled to control the vehicle without experiencing any unfamiliar feeling or discomfort. The effort required to steer the front wheels can be increased by decreasing the assist steering torque or providing a reactive steering torque at such a time.Type: GrantFiled: April 7, 2010Date of Patent: September 18, 2012Assignee: Honda Motor Co., LtdInventor: Norio Yamazaki
-
Patent number: 8170754Abstract: A vehicle body drifting restraining device which restrains a drifting of a vehicle body, wherein: when a brake control device operation prohibition switch, which prohibits an operation of a brake control device, is in a state of prohibition, a control for restraining the drifting of the vehicle body is prohibited.Type: GrantFiled: April 22, 2009Date of Patent: May 1, 2012Assignee: Honda Motor Co., Ltd.Inventors: Norio Yamazaki, Yoshimichi Kawamoto, Shigenori Takimoto, Yoshifumi Nakamura, Isao Akimoto
-
Patent number: 8016365Abstract: An understeer suppressing apparatus for a vehicle includes an electric power steering device S for suppressing steering when the vehicle is in the understeer state, an alarm device A for informing a driver that the vehicle is in the understeer state, and a braking force distribution device B for generating moment of the vehicle by applying braking forces different from each other to the left and right wheels. As the degree of understeer is increased, the electric power steering device S, the alarm device A, and the braking force distribution device B are operated in this order.Type: GrantFiled: March 14, 2006Date of Patent: September 13, 2011Assignee: Honda Motor Co., Ltd.Inventors: Masato Yuda, Yoshimichi Kawamoto, Norio Yamazaki, Shigenori Takimoto
-
Publication number: 20110046841Abstract: A vehicle body drifting restraining device restraining a drifting of a vehicle body of a vehicle, the vehicle body drifting restraining device comprising: an activeness level determination unit determining an activeness level of a driver with respect to a movement of the vehicle in a longitudinal direction; and a vehicle body drifting restraining control permission/prohibition switch permitting or prohibiting a control restraining the drifting of the vehicle body, wherein the control restraining the drifting of the vehicle body is executed only when the activeness level determination unit determines that the activeness level is low.Type: ApplicationFiled: April 21, 2009Publication date: February 24, 2011Applicant: Honda Motor Co., Ltd.Inventors: Norio Yamazaki, Shigenori Takimoto, Yoshifumi Nakamura, Yoshimichi Kawamoto
-
Patent number: 7825786Abstract: The vehicle state value detecting device includes a first low pass filter (32, 36) and a second low pass filter (33, 37) having a lower cutoff frequency than the first low pass filter. The device processes a detection signal of a sensor (10, 11) for a motion control of a vehicle such as a yaw rate sensor and a lateral G sensor by selectively using one of the two low pass filters. A signal selecting unit (35, 39) selects the output of the first low pass filter when the control process demands prompt detection of an abrupt changes in the behavior of the vehicle and the output of the second low pass filter when it is not the case and an enhanced stability of the control action has a priority.Type: GrantFiled: November 1, 2006Date of Patent: November 2, 2010Assignee: Honda Motor Co., Ltd.Inventors: Takashi Nishioka, Shinichi Uchiyama, Norio Yamazaki, Yoshimichi Kawamoto, Shigenori Takimoto, Isao Akimoto, Junichiro Yanagisawa
-
Publication number: 20100252355Abstract: In a steering system for a vehicle incorporated with a rear drive electric motor (5) for driving a pair of rear wheels (3rl, 3rr) that can function as a regenerative brake for the rear wheels, a steering torque control unit (38) reduces a steering assist torque provided by the power steering assist unit (21) when the rear drive electric motor is providing a regenerative braking. When the rear wheels are braked by a regenerative braking action without substantially applying a brake to the front wheel, the vehicle may acquire a temporal oversteer tendency. However, by increasing the effort required to steer the front wheels, such a tendency can be canceled or compensated, and the vehicle operator is enabled to control the vehicle without experiencing any unfamiliar feeling or discomfort. The effort required to steer the front wheels can be increased by decreasing the assist steering torque or providing a reactive steering torque at such a time.Type: ApplicationFiled: April 7, 2010Publication date: October 7, 2010Applicant: HONDA MOTOR CO., LTD.Inventor: Norio YAMAZAKI
-
Publication number: 20100087989Abstract: An electric power steering device for a vehicle includes: a steering wheel return control unit that performs a steering wheel return control when a direction of a steering angle and a direction of a steering angular velocity is different; and a ?-split control unit that performs a ?-split control in order to suppress a behavior of the vehicle traveling on a ?-split road; wherein when the ?-split control unit performs the ?-split control, a value of a steering wheel return control gain in the steering wheel return control unit is set to be lower than a value which is used when the ?-split control is not performed.Type: ApplicationFiled: September 24, 2009Publication date: April 8, 2010Applicant: HONDA MOTOR CO., LTD.Inventors: HIROSHI YAMANAKA, MASATO YUDA, SHIGENORI TAKIMOTO, NORIO YAMAZAKI