专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4111072A Transmission with automatic and manual control modes 失效
标题翻译：具有自动和手动控制模式的传动
公开(公告)号：US4111072A
公开(公告)日：1978-09-05
申请号：US795129
申请日：1977-05-09
申请人： Kenneth B. Harmon , Richard J. Koenig , Carl A. Lentz
发明人： Kenneth B. Harmon , Richard J. Koenig , Carl A. Lentz
IPC分类号： B60W10/04 , B60W10/02 , B60W10/10 , F16H61/02 , B60K21/04
CPC分类号： F16H61/0267 , F16H2061/0288 , Y10T477/6934 , Y10T477/69362
摘要： A multiratio powershift transmission with a shift control system having a manually selected roading phase and a working phase. The roading phase for vehicle drive permits manual selection of a normal automatic shift control mode providing automatic shifting between ratio drives in response to output speed and throttle for maintaining the engine driven input in a normal speed range for optimum economy at part throttle and optimum performance at full throttle, and a hold automatic shift control mode providing a manually selected ratio drive with hold automatic upshifts and normal automatic downshifts and inhibiting manual hold downshifts between ratio drives in response to output speed to limit engine driven input speed to a maximum speed range during overrun drive. The working phase for driving a works, such as a derrick, permits manual selection of the ratio drives to provide progressive output speed control in response to throttle, and provides hold upshifts and inhibited manual downshifts to limit engine speed to a maximum speed range.

2. 发明授权

US4082009A Range shift control by input governor 失效
标题翻译：输入总督的范围变动控制
公开(公告)号：US4082009A
公开(公告)日：1978-04-04
申请号：US750129
申请日：1976-12-13
申请人： Carl A. Lentz
发明人： Carl A. Lentz
IPC分类号： F16H61/02 , F16H47/00
CPC分类号： F16H61/0267 , F16H2061/0288 , F16H61/0283 , Y10T477/693958 , Y10T477/693965
摘要： A multiratio powershift transmission having automatic shift valves normally operative in response to output speed governor pressure and throttle pressure to automatically upshift the transmission to higher ratios with increasing speed with the upshift at higher speeds with increasing throttle. A back-up governor pressure system having an input governor pressure regulated by a pressure regulator valve to provide a reduced modified governor pressure in first ratio and operative in response to progressively higher ratio signals to progressively increase the reduced pressure to provide a modified input governor pressure varying with output speed similar to output governor pressure which is used instead of output speed governor pressure to provide a similar shift schedule relative to output speed.

3. 发明授权

US5216606A Compensated control method for filling a fluid-operated automatic transmission clutch 失效
标题翻译：补偿流体动力自动变速器离合器的补偿控制方法
公开(公告)号：US5216606A
公开(公告)日：1993-06-01
申请号：US642752
申请日：1991-01-18
申请人： Carl A. Lentz , Charles F. Long
发明人： Carl A. Lentz , Charles F. Long
IPC分类号： F16H59/68 , F16H59/72 , F16H61/00 , F16H61/06
CPC分类号： F16H61/061 , F16H2059/6807 , F16H2061/0087 , F16H2061/062 , F16H59/72 , Y10T477/653 , Y10T477/69383 , Y10T477/69387
摘要： The on-coming clutch of an automatic transmission is filled for a fill time determined from empirical data embodied in look-up tables which relate the effects of pump speed and fluid temperature on the fill time. The fill time is determined for a baseline clutch and then multiplied by a volume ratio for a particular clutch. The effect of fluid temperature on leakage is tabulated and used with the pump speed to determine the effective pumping speed. The effects of fluid temperature on viscosity and oil flow rate are determined and used to adjust the base fill time for low pumping speeds. The fluid retained in a clutch cavity from a recent application and not fully exhausted is also taken into account.
摘要翻译：填充自动变速器的来回离合器，用于填充时间，该填充时间由查询表中体现的经验数据确定，这些数据与泵速度和流体温度对填充时间的影响有关。对于基线离合器确定填充时间，然后乘以特定离合器的体积比。将流体温度对泄漏的影响列在表中并与泵的速度一起使用以确定有效的泵送速度。确定流体温度对粘度和油流速的影响，并用于调节低泵送速度的基础填充时间。还考虑了从最近的应用而保持在离合器空腔中并且未完全耗尽的流体。

4. 发明授权

US5070747A Adaptive powered downshift control of an automatic transmission 失效
标题翻译：自适应自动传输控制
公开(公告)号：US5070747A
公开(公告)日：1991-12-10
申请号：US456434
申请日：1989-12-26
申请人： Carl A. Lentz , Jeffrey K. Runde
发明人： Carl A. Lentz , Jeffrey K. Runde
IPC分类号： F16H61/04 , F16H59/38 , F16H59/68 , F16H61/00 , F16H61/02 , F16H61/06 , F16H61/08
CPC分类号： F16H61/061 , F16H2059/385 , F16H2059/6807 , F16H2061/0078 , F16H2061/0087 , F16H2061/0477 , Y10T477/69373 , Y10T477/693762
摘要： In an automatic transmission, clutch-to-clutch powered downshifting is controlled by filling the on-coming clutch at a low pressure while ramping down the off-going clutch pressure until turbine speed is pulled up due to off-going clutch slippage, and then increasing the off-going pressure stepwise to compensate the change from static to dynamic coefficients of friction. Then the on-coming pressure is gradually ramped up and a closed-loop profile control period starts wherein the slip speed of the on-coming clutch is measured and controlled to a slip speed profile by controlling the off-going clutch pressure. When synchronization of the on-coming clutch is first detected, a closed-loop sync control period starts wherein the off-going pressure is controlled to minimize the slip and the on-coming pressure is ramped up at a steeper rate to begin clutch engagement during the sync control period. Adaptive control is accomplished for the initial on-coming pressure by an iterative process which decreases that pressure stepwise until flare occurs and then increases the pressure to stop the flare and repeating the changes in smaller steps to approach the flare condition. Initial off-going pressure is modified when early slip or late slip of the off-going pressure is detected. A modification of off-going pressure step value is effected when the final pressure in the closed-loop period is greater or smaller than the initial pressure. The modifications are targeted to fully correct the respective conditions.

5. 发明授权

US5063813A Hydraulic control system for vehicular automatic transmission 失效
标题翻译：车用自动变速器液压控制系统
公开(公告)号：US5063813A
公开(公告)日：1991-11-12
申请号：US382456
申请日：1989-07-20
申请人： Carl A. Lentz
发明人： Carl A. Lentz
IPC分类号： F16H3/66 , F16H61/02 , F16H61/06 , F16H61/686
CPC分类号： F16H61/06 , F16H61/0206 , F16H2061/0255 , F16H2061/0288 , F16H2200/0052 , F16H2200/201 , F16H2200/2043 , F16H3/66 , F16H61/686 , Y10T477/693635
摘要： The present invention provides a hydraulic control system for the automatic transmission of a vehicle. The control system utilizes only one pulse width modulating valve to provide modulated pressure to whichever of the torque transfer devices--in the nature of clutches and brakes--constitutes the single, on-coming torque transfer device required to effect the drive ratio selected in accordance with electrical control signals from an on-board, pre-programmed computer. The control system accomplishes its objective by cascading a plurality of relay valves which are coupled to preferably latching, solenoid valves (A through E) which are also controlled by computer. A control valve is interposed between the single, pulse width modulating valve and the plurality of cascaded relay valves to provide both modulated pressure (P.sub.3) and main line pressure (P.sub.1) to the various torque transfer devices of the transmission. The computer controls the solenoid valves (A through E) to determine which of the torque transmitting devices shall receive line pressure (P.sub.1) and which shall receive modulated pressure (P.sub.3). In this regard it is noted that the on-going torque transfer device is always actuated by modulated pressure (P.sub.3). Moreover, the control system is adapted for operation with vehicular transmissions that provide one more forward drive ratio than the number of torque transfer devices in the transmission.
摘要翻译：本发明提供一种用于车辆自动变速器的液压控制系统。控制系统仅利用一个脉冲宽度调节阀来向离合器和制动器的性质中的任一个转矩传递装置提供调制压力，构成单一的即将到来的转矩传递装置，以实现根据来自车载预编程计算机的电气控制信号。控制系统通过级联多个中继阀来实现其目的，多个中继阀联接到优选的锁定电磁阀（A至E），其也由计算机控制。控制阀介于单个脉宽调制阀和多个级联继电器阀之间，以向变速器的各种转矩传递装置提供调制压力（P3）和主管路压力（P1）。计算机控制电磁阀（A至E），以确定哪个扭矩传递装置应接收管路压力（P1），并接收调制压力（P3）。在这方面，应注意，正在进行的转矩传递装置总是由调制压力（P3）驱动。此外，控制系统适用于与传动装置中的扭矩传递装置的数量相比提供一个更大的前进驱动比的车辆传动装置。

6. 发明授权

US4235320A Retarder and friction brakes 失效
标题翻译：减速器和摩擦制动器
公开(公告)号：US4235320A
公开(公告)日：1980-11-25
申请号：US913969
申请日：1978-06-09
申请人： James C. Polak , Harry Fackenthal , Carl A. Lentz , Walter E. Palmer , Robert H. Schaefer
发明人： James C. Polak , Harry Fackenthal , Carl A. Lentz , Walter E. Palmer , Robert H. Schaefer
IPC分类号： B60T1/06 , B60T1/08 , B60T1/087 , B60T10/00 , B60T13/10 , B60T13/58 , F16D57/04 , F16D63/00 , F16D65/853 , B60K41/20
CPC分类号： F16D57/04 , B60T1/06 , B60T1/08 , B60T13/585 , F16D63/00 , F16D65/853
摘要： A retarder and friction brake system having vehicle service brakes and a shaft brake unit having a hydrodynamic retarder and friction brake. Manual brake controls provide for initial brake apply of the brake unit and then apply of the service brakes or independent apply of the service brakes. The brake unit has a dual chamber, hydrodynamic retarder with opposed bladed stators and a central rotor member having opposed bladed rotors mounted between the stator members for limited axial movement and rotation with a drum fixed to the shaft, and a friction brake having plates located concentrically within the retarder chambers on opposite sides of the rotor and splined to the drum and stators and a brake apply motor. In response to brake demand, the brake controls provide air pressure proportional to brake demand to the brake apply motor and fluid pressure proportional to brake demand and, in a low speed range limited to lower values with decreasing speed, to a brake chamber to provide a release pressure on the brake apply motor and flow through the constant restriction cooling passages in the brake plates to the retarder chambers for retarder braking and pumping through a cooler to provide with increasing speed in the low speed range, decreasing friction braking and increasing retarder braking having a total value proportional to brake demand, and in the higher speed range low friction braking and high retarder braking having a total value proportional to brake demand and increasing in a substantially straight line with increasing speed.
摘要翻译：具有车辆制动器的减速器和摩擦制动系统以及具有流体动力学延迟器和摩擦制动器的轴制动单元。手动制动控制提供制动单元的初始制动，然后应用行车制动器或独立应用行车制动器。制动单元具有双室，具有相对叶片定子的液力减速器和具有安装在定子构件之间的相对的叶片转子的中心转子构件，用于限制轴向运动和转动，其中固定在轴上的滚筒和摩擦制动器具有同心圆盘在转子的相对侧的减速器室内，并与滚筒和定子以及制动器电动机接合。响应于制动需求，制动控制提供与制动施加电动机的制动需求成比例的空气压力和与制动需求成比例的液压，并且在限制为以较低速度降低的值的低速范围内，提供制动室以提供制动器上的释放压力施加电动机并且通过制动板中的恒定的限制冷却通道流到减速器室，用于延迟器制动和泵送通过冷却器，以在低速范围内提供增加的速度，减少摩擦制动并增加减速器制动，与制动需求成比例的总值，以及在较高速度范围内具有与制动器需求成比例的总值的低摩擦制动和高阻尼器制动，并且随着速度的增加以基本上直线增加。

7. 发明授权

US5072390A Adaptive control of an automatic transmission 失效
标题翻译：自动变速器的自适应控制
公开(公告)号：US5072390A
公开(公告)日：1991-12-10
申请号：US456904
申请日：1989-12-26
申请人： Carl A. Lentz , Jeffrey K. Runde , Joseph H. Hunter , Christopher R. Wiles
发明人： Carl A. Lentz , Jeffrey K. Runde , Joseph H. Hunter , Christopher R. Wiles
IPC分类号： F16H59/46 , F16H61/00 , F16H61/06 , F16H61/08 , F16H61/12
CPC分类号： F16H61/061 , F16H2061/0078 , F16H2061/0477 , F16H59/46 , Y10T477/69383 , Y10T477/69387
摘要： In an automatic transmission upshifting is controlled by ramping down the pressure in an off-going clutch associated with a high speed ratio and increasing the pressure in an on-coming clutch associated with a lower speed ratio. The on-coming clutch has commanded pressure at a maximum value for an initial fill time, a lower increasing ramp value during the ramp of the off-going clutch until the on-coming clutch starts to engage, and then a closed-loop control until the clutch reaches a synchronous speed. The closed-loop control parameter is on-coming clutch slip which is controlled to a calculated slip speed profile. Parameters for controlling the quality of a shift such as on-coming clutch initial pressure, off-going clutch initial pressure and on-coming clutch fill time are automatically adjustable during vehicle use to correct shift aberrations which degrade shift quality. A fast adjustment mode is in effect initially to calibrate the transmission control for the engine and vehicle. After a smooth shift is obtained only small adjustments are allowed.

8. 发明授权

US5046178A Control method for automatic transmission garage shifts 失效
标题翻译：自动变速箱车库换档控制方法
公开(公告)号：US5046178A
公开(公告)日：1991-09-03
申请号：US464055
申请日：1990-01-11
申请人： John A. Hibner , Carl A. Lentz
发明人： John A. Hibner , Carl A. Lentz
IPC分类号： F16H47/08 , F16H59/38 , F16H59/68 , F16H61/00 , F16H61/02 , F16H61/06 , F16H61/08
CPC分类号： F16H61/061 , F16H2059/385 , F16H2059/6807 , F16H2061/0078 , Y10T477/6895
摘要： Garage shifts are accomplished at shifts from neutral to forward or reverse or between forward and reverse. An off-going clutch is released at the beginning of the shift for shifts between forward and reverse; shifts from neutral have no off-going clutch. The on-coming clutch has a fill time at maximum pressure, a lower increasing pressure ramp to begin engagement as indicated by pullup or pulldown, and a closed-loop control triggered by pullup or pulldown. The closed-loop control commands the pressure to control the turbine speed to a calculated profile to bring the speed to a target value. When the target value is attained the closed-loop control is terminated and maximum pressure is applied. For low speed shifts and for a high speed shift between forward and reverse, the target value is zero. For high speed shifts from neutral the target value may be either above or below the initial turbine speed.
摘要翻译：车库班次是从中性到正向或反向或正向和反向之间完成的。离合器C1-C5在换档开始时向前和向后移动释放; 从中性转变没有离线离合器。即将到来的离合器C1-C5具有在最大压力下的填充时间，如上拉或下拉所示开始接合的较低增加的压力斜坡，以及由上拉或下拉触发的闭环控制。闭环控制命令压力将涡轮转速Nt控制到计算轮廓以使速度达到目标值。当目标值达到时，闭环控制终止并施加最大压力。对于低速档位以及前进和后退之间的高速档位，目标值为零。对于从中性点的高速变速，目标值可以高于或低于初始涡轮机速度。

9. 发明授权

US5046174A Method of clutch-to-clutch closed throttle downshift in an automatic transmission 失效
标题翻译：自动变速箱中离合器到离合器闭合节气门减档的方法
公开(公告)号：US5046174A
公开(公告)日：1991-09-03
申请号：US464054
申请日：1990-01-11
申请人： Carl A. Lentz , John A. Hibner
发明人： Carl A. Lentz , John A. Hibner
IPC分类号： F16H59/46 , F16H61/00 , F16H61/06 , F16H61/08
CPC分类号： F16H61/061 , F16H2061/0078 , F16H59/46 , Y10T477/69373 , Y10T477/693754
摘要： In an automatic transmission, clutch-to-clutch closed throttle downshifting is controlled by filling the on-coming clutch at a maximum pressure command for a set period while commanding the off-going clutch pressure to a low value and exhausting the off-going clutch before the end of the fill period. At the end of the fill period the on-coming pressure is set to an initial value and then ramped up until turbine speed is pulled up due to off-going clutch slippage. Then a closed-loop profile control period starts wherein the slip of the on-coming clutch is measured and controlled to a slip profile. When synchronization of the on-coming clutch is detected, maximum pressure is commanded. If the throttle is opened during the downshift, the algorithm reverts to a powered downshift algorithm if the off-going clutch still has pressure or to an open-loop ramp control of the on-coming clutch if the off-going clutch has been exhausted.
摘要翻译：在自动变速器中，离合器到离合器闭合的节气门减速器通过以最大压力命令填充接近离合器一段时间来控制，同时将脱离离合器压力指令为低值并排出离合离合器在填充期结束之前。在填充周期结束时，进入的压力被设定为初始值，然后升高，直到由于脱离离合器滑动引起涡轮速度被拉高。然后开始一个闭环轮廓控制周期，其中测量出来的离合器的滑移并将其控制到滑动轮廓。当检测到来回离合器的同步时，命令为最大压力。如果节气门在降档期间打开，则如果离合器离合器仍然具有压力或者如果离合离合器已经耗尽，该算法将返回到动力降档算法，或者离合离合器的开环斜坡控制。

10. 发明授权

US5029494A Control method of clutch-to-clutch powered downshift in an automatic transmission 失效
标题翻译：自动变速箱中离合器离合器动力降档的控制方法
公开(公告)号：US5029494A
公开(公告)日：1991-07-09
申请号：US456885
申请日：1989-12-26
申请人： Carl A. Lentz , Joseph H. Hunter
发明人： Carl A. Lentz , Joseph H. Hunter
IPC分类号： F16H59/46 , F16H61/00 , F16H61/06 , F16H61/08 , F16H61/10
CPC分类号： F16H61/061 , F16H2061/0078 , F16H2061/0477 , F16H59/46 , Y10T477/693754 , Y10T477/693762
摘要： In an automatic transmission, clutch-to-clutch powered downshifting is controlled by filling the on-coming clutch at a low pressure while ramping down the off-going clutch pressure until turbine speed is pulled up due to off-going clutch slippage, and then increasing the off-going pressure stepwise to compensate the change from static to dynamic coefficients of friction. Then the on-coming pressure is gradually ramped up and a closed-loop profile control period starts wherein the slip of the on-coming clutch is measured and controlled to a slip profile by controlling the off-going clutch pressure. When synchronization of the on-coming clutch is first detected, a closed-loop sync control period starts wherein the off-going pressure is controlled to minimize the slip and the on-coming pressure is ramped up at a steeper rate to begin clutch engagement during the sync control period.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式