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21. 发明专利

JP2000220735A CONTROLLER OF HYDRAULIC CONTINUOUSLY VARIABLE TRANSMISSION FOR VEHICLE 失效
公开(公告)号：JP2000220735A
公开(公告)日：2000-08-08
申请号：JP2373299
申请日：1999-02-01
申请人： HONDA MOTOR CO LTD
发明人： TAKAHASHI TORU , AOKI TAKASHI , UCHIDA YOSHIHARU
IPC分类号： F16H61/40 , F16H61/421 , F16H61/431
摘要： PROBLEM TO BE SOLVED: To ensure a desired starting performance and traveling performance even in an electric breakdown by setting a change gear ratio corresponding to car speed. SOLUTION: A controller is provided with an electric capacity control unit for controlling variable capacity of a hydraulic pump and a motor, a pump capacity switching unit for switching a capacity of the hydraulic pump to the maximum capacity, a fixed capacity type hydraulic pump OP2 of a wheel driving side driven with rotational speed in proportion to rotation of wheels, and an electric control unit 60 for judging electric breakdown of the electric capacity control unit. When occurrence of the electric breakdown is judged, the capacity of the hydraulic pump is switched to the maximum capacity with the pump capacity switching unit, the variable capacity of the hydraulic motor is controlled by using the pressure oil corresponding to the rotation of the wheels obtained from discharge oil of the hydraulic pump OP2 of a wheel driving side.

22. 发明专利

JP2000104811A CONTROL DEVICE FOR VEHICULAR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JP2000104811A
公开(公告)日：2000-04-11
申请号：JP27713998
申请日：1998-09-30
申请人： HONDA MOTOR CO LTD
发明人： TAKAHASHI TORU , NAKAJIMA KENJI
IPC分类号： F16H61/00 , F16H61/12 , F16H61/686
摘要： PROBLEM TO BE SOLVED: To divide a plurality of speed change control valves for controlling the supply of oil to and the discharge of oil/from a plurality of hydraulic connection elements individually into a first group speed change control valve in response to the hydraulic connection element for establishing a prescribed one speed change step and a second group speed change control valve in response to the other hydraulic connection element and establish a prescribed speed change step surely by supplying the oil to a corresponding hydraulic connection element, even if the bad control of the speed change control valve of a first group is generated in a fail time. SOLUTION: A oil room 6d for push-pressing this to a oil supply position side is provided on the speed change control valves 62, 63 of a first group and an oil passage L15 connecting to the oil room 6d is connected to a oil supply passage L2 at the close position of a fail safe valve 9. At the fail time, the line pressure from the oil supply passage L2 is inputted to the oil room 6d and the speed change control valves 62, 63 are switched to the oil supply position forcedly and the oil is supplied to corresponding hydraulic connection elements C2, C3.

23. 发明专利

JP2000009016A AXIAL PLUNGER TYPE HYDRAULIC UNIT HAVING FRICTIONAL CONNECTION DEVICE 失效
公开(公告)号：JP2000009016A
公开(公告)日：2000-01-11
申请号：JP17626698
申请日：1998-06-23
申请人： HONDA MOTOR CO LTD
发明人： TAKANO MIKIHIRO , IINO HISAFUMI , TAKAHASHI TORU , MOROHOSHI YUKIO
IPC分类号： F04B1/22 , F03C1/08
摘要： PROBLEM TO BE SOLVED: To perform satisfactory lubrication of a frictional connection device without producing loss due to agitation of lubricating oil, which frictional connection device connects a cylinder block of an axial plunger type hydraulic unit to other members. SOLUTION: Lubricating oil is supplied from an oil supply means 24 into a rotary shaft 118 connecting a cylinder block 210. A lubricating oil passage 25 is formed inside the rotary shaft 118 for introducing the lubricating oil in the shaft into an inner peripheral space of the cylinder block 210. A lubricating oil passage 26 is formed in the cylinder block 210 for introducing the oil from the inner peripheral space to a frictional connection device 23.

24. 发明专利

JP2001021024A CONTROLLER FOR VEHICULAR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JP2001021024A
公开(公告)日：2001-01-26
申请号：JP19301699
申请日：1999-07-07
申请人： HONDA MOTOR CO LTD
发明人： TAKAHASHI TORU , SUZUKI TADAHIRO , YAMADA MASAAKI
IPC分类号： F16H61/00 , F16H61/02
摘要： PROBLEM TO BE SOLVED: To improve toughness performance with respect to engagement of foreign matter by providing a control means for changing an opening degree of a solenoid valve for shifting. SOLUTION: In the case where a mode is not a line pressure control mode, a rest time T1 of a subtracting type first timer is set to a set time YT1 (S2), and then an opening degree of a shift control valve is increased (S3). In the case where the mode is the line pressure control mode, it is judged (S4) whether the rest time T1 of the first timer attains zero or not. In the case of T1≠0, the opening degree of a solenoid valve for shifting is reduced (S5) to a the necessary minimum opening for outputting the minimum signal pressure serving the shift control valve as fully opening, and the rest time of a subtracting type second timer is set to a set time YT2 (S6). In the case of T1=0, it is judge (S7) whether the rest time of the second timer attains zero. In the case of T2≠0, the opening degree of the solenoid valve for shifting is increased (S3). In the case of T2=0, the rest time T1 of the first timer is set to the set time YT1 (S8), and then next step is advanced to a step of the S5 on and after, and the opening degree of the solenoid valve for shifting is reduced.

25. 发明专利

JPH10331944A CONTINUOUSLY VARIABLE TRANSMISSION FOR VEHICLE 失效
公开(公告)号：JPH10331944A
公开(公告)日：1998-12-15
申请号：JP13702697
申请日：1997-05-27
申请人： HONDA MOTOR CO LTD
发明人： IMAMURA MASAHIRO , TAKAHASHI TORU
IPC分类号： B60K17/10 , F16H39/14 , F16H47/04
摘要： PROBLEM TO BE SOLVED: To dispose a hydraulic continuously variable transmission used for a FR drive type vehicle, compactly in a floor tunnel. SOLUTION: A continuously variable transmission disposed in an FR drive type power transmission path so as to shift rotatory-driving force of an engine in a continuously variable state is constituted having a cam plate type hydraulic pump P and a cam prate type hydraulic motor M of variable displacement type connected through a hydraulic closed circuit 51. When the hydraulic pump P is rotatory-driven by an engine, the hydraulic motor M is rotatory-driven receiving the supply of discharge oil from the hydraulic pump P, and the rotatory-driving force of the hydraulic motor M is transmitted to rear wheels. The hydraulic pump P, the hydraulic closed circuit 51 and the hydraulic motor M are arranged in series in this order from the engine output shaft side toward the rear of a vehicle, and hydraulic servo mechanism 45, 65 for operating to rotate the cam plates of the hydraulic pump P and hydraulic motor M in the inclined state, and a hydraulic control valve V for performing various hydraulic control, are arranged below hydraulic continuously variable transmission mechanism.

26. 发明专利

JP2001208190A CONTROLLER FOR AUTOMATIC TRANSMISSION FOR VEHICLE 失效
公开(公告)号：JP2001208190A
公开(公告)日：2001-08-03
申请号：JP2000021928
申请日：2000-01-31
申请人： HONDA MOTOR CO LTD
发明人： TAKAHASHI TORU
IPC分类号： F16H61/02 , F16H61/12 , F16H63/12
摘要： PROBLEM TO BE SOLVED: To establish high and low two shift stages in system down without switching a position of a manual valve 5 between an automatic transmission range and a manual transmission range even in the case where the automatic transmission range and the manual transmission range are selectable as a forward travel range. SOLUTION: This controller has a switch valve 15 capable of being switched to a condition for controlling a shift control valve 61 for low speed stage by a normally opened type solenoid valve 72 capable of normally controlling a shift control valve 62 for high speed stage. An oil path L17 for switching the switch valve 15 to a condition for controlling the shift control valve 61 by the solenoid valve 72, is connected to an oil path L11 on the output side of the solenoid valve 72 at a 'P' position or an 'R' position. When the system down is generated during the forward traveling in a state that the manual valve 5 is located at the 'D, M' positions as the forward travel range, a high-speed stage is established by the signal pressure of high pressure of the solenoid valve 72. When the manual valve 5 is switched to the 'R' position as the backward travel range position and the 'P' position as a parking range position in system down, the switch valve 15 is switched to the condition mentioned above by the signal pressure of high pressure of the solenoid valve 72, and then the low-speed stage is established by switching the manual valve 5 to the 'D, M' position.

27. 发明专利

JP2000249219A CONTROL DEVICE FOR VEHICULAR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JP2000249219A
公开(公告)日：2000-09-12
申请号：JP5590699
申请日：1999-03-03
申请人： HONDA MOTOR CO LTD
发明人： FUJIOKA MASATO , TAKAHASHI TORU , NAKAJIMA KENJI
IPC分类号： F16H61/00 , F16H61/02 , F16H61/12 , F16H61/68 , F16H61/684 , F16H61/686
摘要： PROBLEM TO BE SOLVED: To miniaturize a fail-safe valve and improve toughness to a valve stick and changing responsiveness. SOLUTION: In this control device in which a fail-safe valve 9 is interposed between an oil passage L3 and an oil passage L2 which are connected to shift control valves 61, 64, 65 and is changed to a closing position at the time of fail when oil is supplied to a plurality of hydraulic connecting elements that should not simultaneously be engaged with each other so as to prevent lubrication to the shift control valves 61, 64, 65, a composite signal valve 13 is arranged which outputs signal pressure when oil pressures of the two hydraulic connecting elements C1, C2 of a first group are increased. Oil pressures of the hydraulic connecting elements C3, B1, B2 of a second group and signal pressure from the composite signal valve 13 are inputted to the fail-safe valve 9, and when more than one of these oil pressures and signal pressure are increased together, the fail-safe valve 9 is changed to the closing position.

28. 发明专利

JP2000120856A CONTROL DEVICE FOR VEHICULAR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JP2000120856A
公开(公告)日：2000-04-28
申请号：JP28790798
申请日：1998-10-09
申请人： HONDA MOTOR CO LTD
发明人： TAKAHASHI TORU , NIIYAMA TSUNEFUMI , NAKAJIMA KENJI
IPC分类号： F16H61/12
摘要： PROBLEM TO BE SOLVED: To prevent such failure that excessive rotation is generated on an engine by establishing first speed stage in a manual speed change range when a system is down at the time of traveling in an advance traveling range, in a vehicular automatic transmission capable of selecting an automatic speed change range and the manual speed change range as the advance traveling range. SOLUTION: A manual valve 5 is provided, which is capable of selecting a speed change lever to a position M as a manual speed change range for advance traveling other than positions P, R, N and D interlocking with an operation of a select lever. When speed is shifted down in the case where a system is down on high speed traveling in a high speed stage not less than 4 speed stage where the manual valve 5 is positioned on the position M, excessive rotation of an engine is generated. A control valve 16 is interposed in an input oil passage L17 of signal pressure, and is switched into a close position by oil pressure of a hydraulic connecting element B1 when a speed change stage which does not require establishment is established at the time of system down, and then, the control valve 16 is held to the close position when the select lever is positioned on the ranges D and M so as to obstruct shift down to a low speed stage.

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