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1. 发明专利

JPH06144166A PARKING DEVICE FOR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JPH06144166A
公开(公告)日：1994-05-24
申请号：JP32886792
申请日：1992-11-12
申请人： AISIN AW CO
发明人： NAKAGAWA KANEYOSHI , NISHIWAKI JIRO , NISHIDA MASAAKI , OZAKI KAZUHISA , YOKOYAMA FUMITOMO
IPC分类号： B60T1/06 , F16F1/12
摘要： PURPOSE:To secure the stability of the lower face of a parking pole by improving the arrangement structure of a torsion spring exciting the parking pole to the uncoupled side. CONSTITUTION:In the structure of a torsion spring 10a wound on the rotary shaft 8 side of a parking pole 9 on the contact section side with the power face of the parking pole 9, two bend sections 14, 15 are provided on the extension section of the spring 10a, the rigidity of the spring 10a is improved, and the inclination of the parking pole 9 is prevented.

2. 发明专利

JPH04282069A OIL PRESSURE CONTROL DEVICE FOR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JPH04282069A
公开(公告)日：1992-10-07
申请号：JP6371591
申请日：1991-03-06
申请人： AISIN AW CO
发明人： NISHIWAKI JIRO , KUWAYAMA YOSHINARI , HAYAKAWA YOICHI
IPC分类号： F16H61/06 , F16H61/08 , F16H61/10
摘要： PURPOSE:To reduce the speed change shock of an automatic transmission by controlling the supply of pressure oil by an oil passage for controlling accumulator back pressure, and suppressing the influence of discharge pressure from the accumulator so as to enable the speedy servo discharge. CONSTITUTION:An oil pressure control device is provided with an accumulator 1 disposed in a hydraulic circuit for controlling the supply-discharge of pressure oil to hydraulic servo mechanism C-O for performing the engaging-releasing action of the frictionally engaging element of an automatic transmission. In this oil pressure control device, a back pressure chamber 1a is partitioned with the whole piston back face of the accumulator 1 as the pressure receiving face, and this back pressure chamber 1a is connected to an accumulator back pressure supply oil passage 2a. In this supply oil passage 2a, there are parallel-provided an orifice for limiting the supply of pressure oil to the back pressure chamber 1a so as to delay the return of a piston 11, and an oil hole 22, provided with a check valve, for expediting the discharge of pressure oil from the back pressure chamber 1a.

3. 发明专利

JP2000071816A CONTROLLER FOR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JP2000071816A
公开(公告)日：2000-03-07
申请号：JP24700198
申请日：1998-09-01
申请人： AISIN AW CO
发明人： YAMAZAKI KEISUKE , NISHIWAKI JIRO , ABE TOMOJI
IPC分类号： B60W10/04 , B60W10/06 , B60W10/10 , B60W10/11 , F02D29/00 , B60K41/06
摘要： PROBLEM TO BE SOLVED: To prevent the occurrence of shifting shock at the time of starting shifting operation. SOLUTION: This controller is provided with an engine 10, a transmission 16 receiving rotation generated by the engine 10 for shifting operation, a shifting determining means 101 which determines whether shifting operation by the transmission 16 is needed or not, and an output reduction means 106 reducing engine torque before starting shifting operation when the shifting operation by the transmission 16 is needed. When the shifting operation by the transmission 16 is needed, the engine torque is reduced before starting shifting operation, therefore, input shaft torque can be reduced. During it, output shaft torque is reduced, thus it is possible to reduce the dropping amount of the output shaft torque at the time of starting shifting operation even if engine torque is large.

4. 发明专利

JPH10103500A LOCK UP CONTROLLER OF AUTOMATIC TRANSMISSION 失效
公开(公告)号：JPH10103500A
公开(公告)日：1998-04-21
申请号：JP25888296
申请日：1996-09-30
申请人： AISIN AW CO
发明人： NISHIWAKI JIRO , ANDO MICHIHIKO , YAMASHITA TAKAHIRO
IPC分类号： F16H61/14
摘要： PROBLEM TO BE SOLVED: To smoothly perform a slip control even in an automatic transmission lowering line pressure during a shift. SOLUTION: This controller has a fluid transmission gear provided with a release side oil chamber RM1, an engagement side oil chamber RM2 and a lock up clutch device 24, hydraulic generation means generating hydraulics by defining line pressure PL as initial pressure, hydraulic adjustment means 91 adjusting hydraulics and controlling the number of revolution difference of the input side number of revolution and the output side number of revolution of the fluid transmission, gear line pressure fluctuation judgment means 97 judging whether line pressure PL fluctuates or not and hydraulic correction means 93 correcting hydraulics when line pressure PL fluctuates. When line pressure PL fluctuates, hydraulics applied to at least one of the release side oil chamber RM1 and the engagement side oil chamber RM2 is corrected. A prescribed number of revolution difference can be generated by the input side number of revolution and the output side number of revolution of the fluid transmission gear.

5. 发明专利

JPH09264405A HYDRAULIC CONTROL CIRCUIT FOR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JPH09264405A
公开(公告)日：1997-10-07
申请号：JP9906796
申请日：1996-03-28
申请人： AISIN AW CO
发明人： NISHIWAKI JIRO , ANDO MICHIHIKO
IPC分类号： F16H61/00 , F16H61/14
摘要： PROBLEM TO BE SOLVED: To obtain engine brake effect at the time of the first speed in a range except the first range with a compact circuit constitution. SOLUTION: A hydraulic control circuit is equipped with a hydraulic servo B-2 for attaining the first speed engine brake; its pressure regulating valve 3; a shift vale 2 and a lockup controlling solenoid valve 7. Control pressure (Pstu ) outputted from the solenoid valve 7 is applied to the pressure regulating valve 3 through the shift valve 2 during the first speed to make it possible to supply brake engaging pressure to the hydraulic servo B-2. In the case of over the second speed, the control pressure outputted from the solenoid valve 7 is returned to a lockup circuit by the changing over of the shift valve 2.

6. 发明专利

JPH06219250A PARKING DEVICE FOR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JPH06219250A
公开(公告)日：1994-08-09
申请号：JP32886892
申请日：1992-11-12
申请人： AISIN AW CO
发明人： NAKAGAWA KANEYOSHI , NISHIWAKI JIRO , NISHIDA MASAAKI , OZAKI KAZUHISA , YOKOYAMA FUMITOMO
IPC分类号： B60T1/06 , F16H63/34
摘要： PURPOSE:To provide a parking device wherein a rod point end part is prevented from being damaged by a pole relating to fluctuating a running condition of a vehicle at non-parking time while accurately maintaining a position of the point end part of the parking pole. CONSTITUTION:A device comprises the first protrusion part 5a for preventing damage of a rod 6 by stopping a pole at inoperative time as a means for stopping the parking pole 2 and the second protrusion part 5b for actuating the pole by a contact part with a cam surface at operative time, to stop a shaft 6c of the rod by holding a clearance between the second protrusion part and a pole surface at inoperative time.

7. 发明专利

JPH11166614A CONTROL DEVICE OF AUTOMATIC TRANSMISSION 失效
公开(公告)号：JPH11166614A
公开(公告)日：1999-06-22
申请号：JP33746297
申请日：1997-12-08
申请人： AISIN AW CO
发明人： MINOUE KAZUHIRO , YAMADA KAZUTO , NISHIWAKI JIRO
IPC分类号： F16H61/10 , F16H61/02 , F16H61/20
摘要： PROBLEM TO BE SOLVED: To prevent practice of neutral control in a state of applying a load to a mounting state of an engine by performing hill hold control by putting a clutch into an almost releasing state when detecting a vehicle stopping state when stepping a brake pedal, releasing an accelerator pedal. SOLUTION: In detecting a vehicle stopping state by a stopping state detecting means 102 while stepping a brake pedal by releasing an accelerator pedal during selecting an advance travel range, neutral control is performed by putting a first clutch Cl in an almost released state by a clutch releasing means 103, and hill hold control is performed by engaging a first brake B1 by a brake engaging means 104. In this case, the timing to generate shift output of a second speed as hill hold output to start the hill hold control, is delayed to the timing to start the neutral control by a delay means 105.

8. 发明专利

JPH10122353A LOCK UP CONTROL DEVICE FOR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JPH10122353A
公开(公告)日：1998-05-15
申请号：JP27099696
申请日：1996-10-14
申请人： AISIN AW CO
发明人： NISHIWAKI JIRO , ANDO MICHIHIKO , YAMASHITA TAKAHIRO
IPC分类号： F16H61/14
摘要： PROBLEM TO BE SOLVED: To release a lock up clutch device according to a speed shift and suppress generation of a shift shock when the device is again engaged thereafter. SOLUTION: This device has a lock up clutch device 24 for being engaged/ disengaged based on a pressure difference of engaging/disengaging side oil chambers RM2, RM1, hydraulic switch means for switching supply of hydraulic pressure to the engaging/disengaging side oil chamber RM2, RM1 based on a hydraulic control pressure setting a hysteresis region, hydraulic control pressure generation means generating a hydraulic control pressure, lock up control means 91 for adjusting the hydraulic control pressure to release the lock up clutch device 24 at the time of speed sift and engaging the lock up clutch device 214 after judging the shift end to set the hydraulic control pressure temporarily to a preset pressure out of a hysteresis region, and a delay means 93 for delaying switching of the oil pressure switch means. The lock up clutch device 34 is engaged in a completely released condition.

9. 发明专利

JPH0694119A CONTROLLER FOR AUTOMATIC TRANSMISSION 失效
公开(公告)号：JPH0694119A
公开(公告)日：1994-04-05
申请号：JP23285292
申请日：1992-08-07
申请人： AISIN AW CO
发明人： FUKAYA NAOYUKI , NISHIWAKI JIRO , NISHIDA MASAAKI , OZAKI KAZUHISA , YOKOYAMA FUMITOMO
IPC分类号： F16H61/08
摘要： PURPOSE:To surely prevent racing by conducting the discharge of the oil pressure of the release side hydraulic chamber of a brake hydraulic servo before the oil pressure of a clutch hydraulic servo is discharged at the time of shift down decision, properly changing the oil pressure of an engage-stopping side hydraulic chamber as well. CONSTITUTION:At the time of vehicle operation, whether or not shift down is conducted is decided at an electronic controller 200 on the basis of the outputs of an output revolution number sensor 220 and a throttle opening sensor 230, and in the case of YES, a shift valve changeover means (solenoid) SL1 is made to output a signal to change a shift valve over to a discharge side. Also, an oil pressure adjusting means (throttle pressure control valve) 5 is made to output an oil pressure change signal to adjust the oil pressure of the engage-stopping side hydraulic chamber of a brake hydraulic servo to oil pressure that is lower than brake engagement pressure. Afterwards, when it is decided from the outputs of input and output revolution number sensors 210, 220 that shift down has been completed, an oil pressure return signal to return the oil pressure of the engage-stopping side hydraulic chamber to oil pressure under which a brake is engaged completely, is made to be outputted.

10. 发明专利

JPH03157251A PARKING MECHANISM OF AUTOMATIC TRANSMISSION 失效
公开(公告)号：JPH03157251A
公开(公告)日：1991-07-05
申请号：JP29482889
申请日：1989-11-15
申请人： AISIN AW CO
发明人： NISHIWAKI JIRO , KUWAYAMA YOSHINARI , HAYAKAWA YOICHI
IPC分类号： B60T1/06 , F16H63/34
摘要： PURPOSE:To ensure smooth parking operation by a method wherein a pole with a claw provided on a tip with a claw engaged with a parking gear is rocked through a rod, slid and guided by means of a bracket, through rotation of a detent lever to produce a parking state. CONSTITUTION:One end of a rod 72 bent to form a crank shape and having the other end in which a cam 73 is formed is coupled to a detent lever 79 on a manual shaft 80 rotated in linkage with operation of a shift lever. The cam 73 is formed with a cylinder part extended in the direction of the tip of the rod 72 and a conical surface. During forward movement effected through a rod 72 slid and guided within a bracket 85 along with rotation in a direction A of the detent lever 79, the cam is moved over the surface of a stopper pin 74 and enters a gap between the surface of the stopper pin and a tip part 86 of a pole 75 with a claw. When a groove 87 of the detent lever 79 is engaged with a tip 83 of a detent spring 82, the pole 75 with a claw is pushed up, and a claw 89 of the pole 75 is engaged with a parking gear 77.

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