Hydraulic Pumps And Actuators Flashcards
Cavitation can be the result of?
Over speeding the pump
A hydraulic pump in which one rotating member always has one less tooth than the other member is the?
Gerotor
The flow produced by a pressure compensated pump is at ________ pump
Compensator
The pump in a hydraulic system produces?
Fluid flow
Standby pressure is required in a load sensing pump for the?
Bias piston
Variable displacement hydraulic vane pumps control fluid flow by?
Shifting the cam ring
A balanced vane pump had ports where?
They have sets of outlet and inlet ports opposite of each other.
To change the displacement of a variable displacement bent axis piston pump you must?
Vary the angle of the cylinder block
The sign of cavitation or aeration would be noticed on disassembly of a vane pump at its _________?
Outlet port
The displacement of a bent axis piston pump can be varied by?
Pivoting the cylinder block to change its angle
What is an application for load sensors and EDCs controlled pumps?
Proportional DCV
How are high performance vane pumps balanced?
They are hydraulically balanced
The torque of a hydraulic motor depends on?
Inlet pressure , surface area and radius of rotation
If a cylinder has internal leakage it would affect?
The speed
Cylinder cushions limit a cylinders?
Load shock
