会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • Shift control apparatus for automatic transmission
    • 用于自动变速器的换档控制装置
    • US07033297B2
    • 2006-04-25
    • US10845119
    • 2004-05-14
    • Yoshinobu NozakiHideo TomomatsuKatsuyuki Tanahashi
    • Yoshinobu NozakiHideo TomomatsuKatsuyuki Tanahashi
    • F16H31/00F16H61/04
    • F16H61/061F16H61/067F16H61/686F16H2061/0034Y10T477/693738Y10T477/69377
    • A shift control apparatus for controlling shifting actions of an automatic transmission including a hydraulically operated frictional coupling device having a hydraulic cylinder which is supplied with a working fluid when the frictional coupling device is engaged, the shift control apparatus including a transient-hydraulic-pressure control device operable to control a transient value of a hydraulic pressure in the hydraulic cylinder according to an electric signal, upon releasing of the frictional coupling device, and an accumulator having a back-pressure chamber a back pressure of which is controllable, and an accumulator chamber connected to the hydraulic cylinder of the frictional coupling device and operable to control a transient value of the hydraulic pressure in the hydraulic cylinder, when the frictional coupling device is engaged with the working fluid being supplied to the hydraulic cylinder, and a back-pressure increasing portion operable to increase the back pressure in the back-pressure chamber of the accumulator for rapidly discharging the working fluid from the accumulator chamber, when the frictional coupling device is released to effect one of the shifting actions of the automatic transmission.
    • 一种变速控制装置,用于控制包括具有液压缸的液压操作的摩擦联接装置的自动变速器的换档动作,所述液压缸在所述摩擦联接装置接合时被供给工作流体,所述变速控制装置包括瞬时液压控制 装置,其可操作以在释放所述摩擦联接装置时根据电信号控制所述液压缸中的液压的瞬时值;以及蓄能器,其具有背压室,所述后压室的背压是可控制的;以及蓄能器室 连接到摩擦联接装置的液压缸,并且可操作以当摩擦联接装置与供应到液压缸的工作流体接合时控制液压缸中的液压的瞬时值,并且提供背压增加 部分可操作以增加背压 当摩擦联接装置被释放以实现自动变速器的换档动作之一时,蓄能器的背压室用于从蓄能室快速排出工作流体。