In hydraulic transmission, the hydraulic control valve used to control the pressure, flow and direction of liquid is ( ).
A: Power plant
B: control unit
C: auxiliary device
D: Actuator
A: Power plant
B: control unit
C: auxiliary device
D: Actuator
举一反三
- The commonly used pressure control valve in hydraulic transmission system is ( ) A: directional valve B: relief valve C: hydraulic control check valve
- Which of the following hydraulic control valves belongs to pressure control valve （ ）. A: Unloading valve B: overflow throttle valve C: Hydraulic control check valve D: Low pressure selector valve
- In structure, all hydraulic control valves consist of______ , ______ (spool, cone or ball) and ______ used to control the valve core.
- Check valve is not used to control _______. A: Direction of oil flow B: Back pressure of return oil C: Bypass of filter D: High pressure overflow
- Check valve isn’t used to control ____. A: high pressure overflow B: back pressure of return oil C: direction of oil flow D: bypass of filer