公开(公告)号：US5081887A

公开(公告)日：1992-01-21

申请号：US538047

申请日：1990-06-13

申请人： Yuji Kato

发明人： Yuji Kato

IPC分类号： B60W10/04 ,  B60W10/06 ,  B60W10/10 ,  B60W10/11 ,  F02B33/00 ,  F02B37/16 ,  F02D23/00 ,  F02D29/00 ,  F02D41/02 ,  F02D41/04 ,  F16H59/32 ,  F16H61/04 ,  F16H61/70 ,  F16H63/40

CPC分类号： B60W10/06 ,  B60W10/04 ,  B60W10/11 ,  B60W10/111 ,  B60W30/1819 ,  B60W30/19 ,  F16H61/702 ,  F16H63/502 ,  F16H2306/42 ,  F16H2306/44 ,  F16H2306/52 ,  F16H59/32 ,  F16H61/686 ,  Y10T477/55 ,  Y10T477/67 ,  Y10T477/6937

摘要： A system and method for controlling a vehicle speed so as to prevent gear shift shock in a power train associated with a vehicular engine and automatic transmission are disclosed in which an air charging efficiency for engine cylinders is reduced during the gear shifting transient period, e.g., when shifting from first gear range to a higher second gear range. Therefore, when engine output is reduced by means of retardation of ignition timing at the time of gear shifting, no misfire occurs due to prevention of internal pressure increase in any engine cylinder. Thus, shift shock can be prevented with the smooth reduction of engine output and air charging efficiency is smoothly recovered after completion of the gear shift transient period.

公开(公告)号：US5038635A

公开(公告)日：1991-08-13

申请号：US529640

申请日：1990-05-29

申请人： Satoshi Takizawa

发明人： Satoshi Takizawa

IPC分类号： F16H59/14 ,  F16H59/32 ,  F16H59/74 ,  F16H59/76 ,  F16H61/06

CPC分类号： F16H61/061 ,  F16H59/14 ,  F16H59/141 ,  F16H59/32 ,  F16H59/74 ,  F16H59/76 ,  F16H61/067 ,  Y10T477/693635 ,  Y10T477/6937 ,  Y10T477/69378 ,  Y10T477/69379 ,  Y10T477/69383

摘要： According to the present invention, in order to effect a shockless shift in an automatic transmission of a vehicular power train, a servo activating hydraulic fluid pressure applied to a shifting friction unit is controlled in response to a predetermined variable other than an engine throttle opening which causes a change in engine output torque from a predetermined pattern of variation of the engine output torque against variation of the engine throttle opening.

公开(公告)号：US4817467A

公开(公告)日：1989-04-04

申请号：US2698

申请日：1987-01-05

申请人： Horst Furtner ,  Eugen Gerteiser ,  Georg Gierer

发明人： Horst Furtner ,  Eugen Gerteiser ,  Georg Gierer

IPC分类号： F16H61/08 ,  F16H59/32 ,  F16H61/06 ,  F16H61/10 ,  B60K41/16

CPC分类号： F16H59/32 ,  F16H61/065 ,  Y10T477/6936

摘要： A vehicle driven by a super charged engine has a gear transmission that is automatically shifted between drive ratios under the joint control of vehicle speed and engine load demand, modified by a loading signal pressure derived from the engine carburetor to correctively influence the change in drive ratio so as to accommodate a super charged type of engine. Such loading signal pressure is applied to a shift valve of the transmission control system independently of control pressure reflecting vehicle speed and engine load demand in order to correctively modify the pressure control exercised during the drive ratio change interval.

摘要翻译： PCT No.PCT / EP86 / 00237 Sec。 371日期1987年1月5日 102（e）日期1987年1月5日PCT提交1986年4月19日PCT公布。 公开号WO86 / 06809 日期：1986年11月20日。由超级发动机驱动的车辆具有在车辆速度和发动机负载需求的共同控制下在驱动比之间自动移动的齿轮传动装置，其由来自发动机化油器的负载信号压力修改为 正确地影响驱动比的变化，以适应超级充电式的发动机。 这种负载信号压力独立于反映车辆速度和发动机负载需求的控制压力而被施加到变速器控制系统的换档阀，以便校正地改变在驱动比变化间隔期间执行的压力控制。