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    • 9. 发明授权
    • Hydrodynamic torque converter with bridging means
    • 具有桥接装置的液力变矩器
    • US4431094A
    • 1984-02-14
    • US242340
    • 1981-03-10
    • Jean P. ParthuisotClaude ChevalierJean M. Bouvet
    • Jean P. ParthuisotClaude ChevalierJean M. Bouvet
    • F16H45/02F16H61/14F16D47/06B60K41/22
    • F16H61/143F16H2045/0294F16H45/02
    • This hydrodynamic torque converter for the automatic transmission of motor vehicles which provide several gear ratios comprises means for bridging the input and output shafts of the converter. The hydraulic fluid supplied through the hollow transmission shaft penetrates into the converter inner space via a gaged orifice; the outlet of the control chamber of the converter is closed by a solenoid valve in one position thereof; the pressure in the converter inner space is the same as in the control chamber, and spring means are provided for urging the control piston to its release position when the assembly operates as a torque converter. In the other valve position the pressure prevailing in the converter inner space having its outlet closed is applied to the control piston against the force of the spring means. The pressure in the control chamber is low and thus the friction lining carried by the control piston produces the desired bridging action.
    • 用于提供多个齿轮比的机动车辆的自动变速器的该液力变矩器包括用于桥接转换器的输入和输出轴的装置。 通过中空传动轴供应的液压油通过一个开口孔穿过转换器内部空间; 转换器的控制室的出口在其一个位置由电磁阀关闭; 转换器内部空间中的压力与控制室中的压力相同,并且提供弹簧装置,用于当组件作为变矩器操作时将控制活塞推压到其释放位置。 在另一个阀位置,其转换器内部空间中具有其出口关闭的压力克服弹簧装置的力被施加到控制活塞。 控制室中的压力低,因此由控制活塞承载的摩擦衬片产生所需的桥接作用。