Abstract

A hydraulic control device (10), comprising: a hydraulic control portion (110) for controlling the hydraulic pressure by adjusting the flow of oil; a pump portion (120) for generating the hydraulic pressure; and a motor portion (130) having a shaft rotatable about a central axis (J) and driving the pump portion (120) by means of the shaft. The pump portion (120) is configured inside the hydraulic control portion (110). The hydraulic control device (10) is advantageous in terms of the driving efficiency of the hydraulic pump. Also disclosed is a power transmission control device.

IPC Classes  ?

• F16D 48/02 - Control by fluid pressure
• F16D 25/04 - Fluid-actuated clutches in which the fluid actuates an elastic clutching member, e.g. a diaphragm or a pneumatic tube
• F16H 47/06 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type

Abstract

A hydraulic control device (10), comprising: a hydraulic control portion (110) for controlling the hydraulic pressure by adjusting the flow of oil; a pump portion (120) for generating the hydraulic pressure; and a motor portion (130) having a shaft (160) rotatable about a central axis (J) and driving the pump portion (120) by means of the shaft (160). The hydraulic control portion (110) and the motor portion (130) are arranged in the direction of the central axis (J), and the motor portion (130) is fixed to the hydraulic control portion (110). Also involved is a power transmission control device. The device is beneficial to improve efficiency, suppress vibration, reduce noise, and achieve weight reduction.

IPC Classes  ?

• F16D 25/12 - Details not specific to one of the before-mentioned types
• F16H 47/06 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
• F15B 13/02 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors