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31. 发明专利

JP2008195157A Steering device of vehicle 审中-公开
标题翻译：车辆转向装置
公开(公告)号：JP2008195157A
公开(公告)日：2008-08-28
申请号：JP2007030723
申请日：2007-02-09
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： ONUMA YUTAKA
IPC分类号： B62D5/04 , B62D1/18 , B62D5/30 , B62D6/00 , B62D101/00 , B62D113/00
摘要： PROBLEM TO BE SOLVED: To provide a steering device which enables a large tilt operation while suppressing the deterioration of merchantability.
SOLUTION: When a rotational angle detected by rotational angle sensor 15 is out of a prescribed angular range ϕ
0 ± α (S18:No) and a first electromagnetic clutch 13 is disengaged (S20), a control unit 50 drives a turning electric motor 32 to control a rotational angle of a universal joint 14 to fall within the prescribed angular range ϕ
0 ± α. The rotational angle control controls the rotational angle of the universal joint 14 to allow the first steering shaft 121 and second steering shaft 122 to carry out a tilt operation at a large angle. Since the rotational angle control is executed when the electromagnetic clutch 13 is disengaged, the steering wheel 11 is not rotated during the rotational angle control. As a result, a steering shaft is allowed to carry out a large tilt operation while suppressing the deterioration of merchantability.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够进行大倾斜操作同时抑制适销性劣化的转向装置。解决方案：当由旋转角度传感器15检测到的旋转角度超出规定的角度范围φ 0 S（S18：否）并且第一电磁离合器13脱离时（S20）控制单元50驱动回转电动机32，以控制万向接头14的旋转角度落入规定的角度范围φ 0 ±α。旋转角度控制控制万向接头14的旋转角度，以允许第一转向轴121和第二转向轴122以大角度进行倾斜操作。由于当电磁离合器13分离时执行旋转角度控制，所以方向盘11在旋转角度控制期间不旋转。结果，允许转向轴进行大的倾斜操作，同时抑制适销性的劣化。版权所有（C）2008，JPO＆INPIT

32. 发明专利

JP2008174160A Vehicle steering device 审中-公开
标题翻译：车辆转向装置
公开(公告)号：JP2008174160A
公开(公告)日：2008-07-31
申请号：JP2007010848
申请日：2007-01-19
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： ONUMA YUTAKA
IPC分类号： B62D6/00 , B62D5/04 , B62D113/00 , B62D137/00 , H02P5/00
摘要： PROBLEM TO BE SOLVED: To attain smooth vehicle behavior even when characteristic difference is present on a turning actuator.
SOLUTION: The vehicle steering device 10 is a vehicle steering device each independently provided with turning motors 24 relative to a pair of left and right steered wheels included in the vehicle. A steering angle sensor 34 detects a steering angle input by a driver. A target turning angle setting part 50 sets a target turning angle of the pair of left and right steered wheels according to the detected steering angle. A turning motor control part 66 controls the turning motor 24 so as to become the target turning angle set by the target turning angle setting part 50. An actual turning angle sensor 42 detects the actual turning angles of the pair of left and right steered wheels respectively. An actual turning angle difference comparison part 54 determines whether or not the actual turning angle difference of the pair of left and right steered wheels is larger than a predetermined value. A target turning angle correction part 62 corrects the target turning angle of at least one steered wheel to output it to the turning motor control part 66 when it is determined that the actual turning angle difference is larger than the predetermined value.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：即使在转向致动器上存在特征差异，也能获得平稳的车辆行为。解决方案：车辆转向装置10是车辆转向装置，其各自独立地设置有相对于包括在车辆中的一对左右转向轮的转向马达24。转向角传感器34检测由驾驶员输入的转向角。目标转向角度设定部件50根据检测到的转向角度来设定一对左右转向轮的目标转动角度。转动电动机控制部66控制转动电动机24，成为由目标转轮角度设定部50设定的目标转动角度。实际转动角度传感器42分别检测左右一对转向轮的实际转动角度。实际转弯角差分比较部54判定左右一对转向轮的实际转动角差是否大于规定值。当确定实际转动角差大于预定值时，目标转轮角修正部62校正至少一个转向轮的目标转向角度，将其输出到转向电动机控制部66。版权所有（C）2008，JPO＆INPIT

33. 发明专利

JP2008062788A Steering device for vehicle 有权
标题翻译：车辆转向装置
公开(公告)号：JP2008062788A
公开(公告)日：2008-03-21
申请号：JP2006242683
申请日：2006-09-07
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： ONODA YUICHI , ONUMA YUTAKA
IPC分类号： B62D6/00 , B62D101/00 , B62D113/00
摘要： PROBLEM TO BE SOLVED: To provide a steering device for a vehicle facilitating the driving of the vehicle by suitably controlling the turned state of a turned wheel relative to the operation of a steering wheel by a driver. SOLUTION: An operation state determination part 42 determines the turning operation state of the steering wheel 11 by the driver. A reference point setting part 43 sets a steering-holding operation point, a cutting-in operation point and a returning operation point as reference points based on the determined operation state of the steering wheel 11. A turning angle variation characteristic determination part 44 determines a cutting-in operation variation characteristic of a non-linear shape that the variation characteristic of the turning angle δ varied to the reference point and the maximum operation point is downward projected or a returning operation variation characteristic of a non-linear shape that the variation characteristic of the turning angle δ varied to the reference point and a neutral operation point is upwardly projected using the determined operation state of the steering wheel 11 and the set reference point. Thereby, it can be controlled such that the turned state the left and right front wheels FW1, FW2 can be controlled so as to always become equal in turned states according to turning operation of the steering wheel 11. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过适当地控制转向轮相对于驾驶员的方向盘操作的转动状态来提供便于驾驶车辆的车辆转向装置。解决方案：操作状态确定部42确定驾驶员的方向盘11的转动操作状态。基准点设定部43基于所确定的方向盘11的操作状态来设定转向保持操作点，切入操作点和返回操作点作为参考点。转向角变化特性确定部44确定转角δ的变化特性变化到参考点和最大操作点的向下投影的非线性形状的切入操作变化特性或非线性形状的返回操作变化特性，即变化特性转向角δ变化到参考点，并且使用所确定的方向盘11和设定参考点的操作状态向上投影中立操作点。因此，能够控制左右前轮FW1，FW2的转向状态，以便根据方向盘11的转动操作使转向状态总是相等。（C） 2008年，日本特许厅和INPIT

34. 发明专利

JP2007245825A Steering device of vehicle 有权
标题翻译：车辆转向装置
公开(公告)号：JP2007245825A
公开(公告)日：2007-09-27
申请号：JP2006069568
申请日：2006-03-14
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： ONUMA YUTAKA , ONODA YUICHI
IPC分类号： B62D6/00 , B62D1/16 , B62D5/04 , B62D5/30 , B62D101/00 , B62D113/00 , B62D117/00 , B62D119/00
CPC分类号： B62D5/003 , B62D5/001 , B62D5/0481
摘要： PROBLEM TO BE SOLVED: To provide a steering-by-wire type steering device of a vehicle capable of easily and precisely detecting abnormality of a contact breaker to selectively connect a steering handle and a steering wheel. SOLUTION: An ECU 45 for checking controls an electromagnetic clutch 31 in a cutting state on a step S11 in a state when an electric motor 22 for steering stops and inputs a steering angle θ and steering torque T on a step S12. It proceeds to a step S14 when torque T is less than torque To by determining whether the steering torque T is less than the target torque To or not on a step S13. Thereafter, it sets an abnormality flag MBF at "0" to express normality of abnormality on the clutch 31. In the meantime, it proceeds to a step S15 when the torque T is more than the torque To on the step S13. Thereafter, it sets the flag MBF at "1" to express abnormality. This abnormality determination is performed when the steering angle θ is less than a specified steering angle θo by processing of a step S16. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够容易且精确地检测接触断路器的异常以选择性地连接转向手柄和方向盘的车辆转向线转向装置。解决方案：在步骤S11中，在转向用电动机22停止并输入转向角θ和转向转矩T的状态下，在步骤S11中检查控制电磁离合器31的ECU45。在步骤S13中，通过判定转向转矩T是否小于目标转矩To，转矩T小于转矩To，进行到步骤S14。此后，将异常标志MBF设定为“0”，以表示离合器31上的异常的正常性。同时，在步骤S13中，当转矩T大于转矩To时，进入步骤S15。此后，将标志MBF设定为“1”来表示异常。当通过步骤S16的处理，当转向角θ小于指定的转向角θo时，执行该异常判定。版权所有（C）2007，JPO＆INPIT

35. 发明专利

JP2004217214A Brake device 有权
公开(公告)号：JP2004217214A
公开(公告)日：2004-08-05
申请号：JP2004128265
申请日：2004-04-23
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： ONUMA YUTAKA , NOGUCHI NOBORU , ITO KENJI , SAKAMOTO SHIGERU
IPC分类号： B60T13/16 , B60T8/00 , B60T8/1766 , B60T13/66
摘要： PROBLEM TO BE SOLVED: To provide a brake device which can control the relationship between a brake operation force and brake cylinder hydraulic pressure by a separate hydraulic pressure source different from a master cylinder and a booster. SOLUTION: The brake device for braking a vehicle by driver's operation comprises: (a) a circulation control apparatus installed on the way of a main passage 18 and including a first state which allows the two-way flow of an operating fluid between the master cylinder and brake cylinder and a second state which blocks at least the flow of the operating fluid directing from the brake cylinder 10 to the master cylinder 14 to enable switch-over between a plurality of states; (b) the hydraulic pressure source connected to the portion between the circulation control apparatus and the cylinder 10 in the main passage 18 through an auxiliary passage 20; (c) a hydraulic pressure source control apparatus which supplies the operating fluid to the hydraulic pressure source when the booster has no boosting action; and (d) a variable pressure apparatus for changing the hydraulic pressure of the cylinder 10 in such a state as to be higher than that of the cylinder 14 according to the operation power of a brake operation member 12. COPYRIGHT: (C)2004,JPO&NCIPI

36. 发明专利

JPH11235975A ELECTRONICALLY-CONTROLLED BRAKE DEVICE FOR VEHICLE 失效
公开(公告)号：JPH11235975A
公开(公告)日：1999-08-31
申请号：JP5431698
申请日：1998-02-19
申请人： TOYOTA MOTOR CORP
发明人： SOGA MASAYUKI , ONUMA YUTAKA , SAKAMOTO JUNICHI
IPC分类号： B60T7/12 , B60T8/40 , B60T13/68 , B60T17/18 , B60T17/22
摘要： PROBLEM TO BE SOLVED: To satisfy the braking demand of a driver positively even if the demand is generated at the time of parking and stopping on a slope or the like. SOLUTION: This electronically-controlled brake device for vehicle, which is provided with a braking device and an electronic controller for controlling the braking device electrically according to the operation of a brake pedal by a driver, judges a braking demand by a driver based on the stroke of the brake pedal detected by a stroke sensor (S40, 90), judged the parking and stopping conditions of the vehicle based on the condition of an ignition switch (S30, 70, 80), and judged whether or not such a condition as the vehicle is in a parking or stopping condition without a braking demand by a driver has continued for a prescribed time (S60, 110). After such a condition as the vehicle is in the parking or stopping condition without a braking demand by the driver has continued for the prescribed time, the operations of the electronically- controlled brake device and the respective sensors are released (S120, 130).

37. 发明专利

JPH1148932A BRAKE DEVICE 失效
公开(公告)号：JPH1148932A
公开(公告)日：1999-02-23
申请号：JP20941697
申请日：1997-08-04
申请人： TOYOTA MOTOR CORP
发明人： SUZUKI MASAKUNI , ONUMA YUTAKA
IPC分类号： B60T8/48
摘要： PROBLEM TO BE SOLVED: To suppress an increase/decrease of discharge pressure of a pump by including a booster device connecting an accumulator device with either one of a part between a flow control valve and brake cylinder of a flow passage and a discharge passage connecting the flow passage and the discharge side of the pump. SOLUTION: In a brake cylinder 20, a pump 62 is shared by an effective characteristic controller and an anti-lock controller and pressure is intensified by the pump 62, regardless of during the effective characteristic control or during the anti-lock control. Because the pump 62 alternately repeats a suction stroke and a discharge stroke and intermittently discharges hydraulic liquid, discharge pressure of the pump 62 originally pulsates. But an increase/decrease of discharge pressure of the pump 62 is suppressed and pulsation of discharge pressure of the pump 62 is reduced by elasticity of a spring in an accumulator 120 because the accumulator 120 is connected with the discharge side of the pump 62. As a result, a hydraulic pressure change in the brake cylinder 20 during the effective characteristic control and during the anti-lock control becomes smooth.

38. 发明专利

JPH10310046A BRAKING DEVICE FOR VEHICLE 失效
公开(公告)号：JPH10310046A
公开(公告)日：1998-11-24
申请号：JP11986497
申请日：1997-05-09
申请人： TOYOTA MOTOR CORP
发明人： ONUMA YUTAKA , YAMASHITA MASAHARU
IPC分类号： B62D5/06 , B60T8/34 , B60T8/48
摘要： PROBLEM TO BE SOLVED: To reduce cost of a braking device for a vehicle including an auxiliary hydraulic pressure source. SOLUTION: To an auxiliary pressure chamber 26 in a master cylinder 10, an auxiliary hydraulic pressure source 50 is connected. In the auxiliary hydraulic pressure source 50, operating liquid pressurized by a power steering pump 52 is accumulated in an accumulator 54, and the hydraulic fluid in the accumulator 54 is supplied through a pressure intensifying cylinder 62 to the auxiliary pressure camber 26. Hydraulic pressure in a large diameter hydraulic pressure chamber 82 in the pressure intensifying cylinder 62 is controlled by control of a pressure intensifying control valve 58 and a pressure reducing control valve 60. With similar operation condition quantity of the brake operation member 10, auxiliary pressure becomes larger to provide a larger braking fluid pressure in the case where hydraulic pressure in the hydraulic pressure chamber 82 is larger than in the case where it is small. Because of the power steering pump 52, cost on a braking device for a vehicle can be reduced compared to the case of using a special pump.

39. 发明专利

JPH10250564A BRAKE DEVICE 失效
公开(公告)号：JPH10250564A
公开(公告)日：1998-09-22
申请号：JP6327197
申请日：1997-03-17
申请人： TOYOTA MOTOR CORP
发明人： ONUMA YUTAKA , ITO KENJI
IPC分类号： B60T13/66
摘要： PROBLEM TO BE SOLVED: To prohibit the useless operation of a brake operation force booster during the stoppage of a vehicle, and prevent the occurrence of an operation noise by applying the constitution that a condition for the operation start of the booster and another condition for timing with no reference time elapsed from the start of a vehicle operation, when concurrently established, are made harder than the case of non-concurrent establishment. SOLUTION: When a vehicle is identified as shifted from a stop state to a travel state, the determination of reference master cylinder fluid pressure on the basis of an output signal from a booster vacuum switch 164 is permitted, even before the elapse of the preset time, and a pump 40 is thereby made to easily start an operation. In other words, when the first condition as a time before the elapse of the preset time, and the second condition as the vehicle in a stop state are concurrently established, decision is made to increase the reference master cylinder fluid pressure more than the case of the non- concurrent establishment of the two conditions, thereby making difficult the start of the pump 40. As a result, the occurrence of a operation noise is prevented at the start of the vehicle and tranquility is improved.

40. 发明专利

JPH10152041A BRAKE DEVICE 失效
公开(公告)号：JPH10152041A
公开(公告)日：1998-06-09
申请号：JP6322997
申请日：1997-03-17
申请人： TOYOTA MOTOR CORP
发明人： ONUMA YUTAKA , NOGUCHI NOBORU , ITO KENJI , SAKAMOTO SHIGERU
IPC分类号： B60T13/16 , B60T8/00 , B60T8/1766 , B60T13/66
摘要： PROBLEM TO BE SOLVED: To control brake effectiveness by generating higher hydraulic pressure than master cylinder hydraulic pressure at a brake cylinder in a brake device. SOLUTION: This brake device is constituted by connecting the discharge side of a pump 16 by an auxiliary passage 20 on the way of a main passage 18 for connecting a master cylinder 14 and a brake cylinder 10 with each other, and fitting a pressure control valve 22 at a part of the main passage 18 between a connection point with the auxiliary passage 20 and the master cylinder 14, whereas the pressure control valve 22 is permitted to deliver hydraulic fluid from the pump 16 to the master cylinder 14 when the delivery pressure of the pump 16 against master cylinder hydraulic pressure becomes higher than a preset value, and the pump 16 is operated when it is necessary to generate higher hydraulic pressure in the brake cylinder 10 than the master cylinder hydraulic pressure during brake operation.

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