Variabler-hub-getriebepumpe-steuerung
一种变速器、可变的技术,应用在泵控制、传动装置控制、带有齿的元件等方向,能够解决变速器内部阻力、单向离合器昂贵等问题,达到减少损失的效果
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[0017] Referring now to the accompanying drawings, figure 1 A hydraulic circuit 10 of an automatic transmission is illustrated including a variable displacement hydraulic vane pump 12 , a primary regulator valve 14 and a pump displacement control valve 16 controlled by a variable force solenoid 18 .
[0018] A hydraulic fluid discharge pump 12 is installed in line 20 to supply hydraulic fluid to the transmission. Line 24 carries pump displacement control pressure from valve 16 to pump 12 . Solenoid feedback pressure is sent in line 26 to valve 16 and valve 86 . When the pressure in line 24 is high, pump control ring 28 rotates counterclockwise about point 30 against the force of compression spring 32 . This rotation reduces the volume 34 through which the vanes 36 on the pump rotor 38 rotate, ie, the pump displacement, and reduces the flow rate of liquid exiting the pump 12 . When the pressure in line 24 is low, pump control ring 28 is turned clockwise, thereby increasing t...
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