Regarding the pump shown in the...

Question 1 / 270705eccef9cbacbc34ba4d459aa

Question 1 of 270705eccef9cbacbc34ba4d459aa

Regarding the pump shown in the illustration, the quantity and direction of fluid flow is controlled by __________. See illustration GS-0059.

Back

Question 1 of 27070

Regarding the pump shown in the illustration, the quantity and direction of fluid flow is controlled by __________. See illustration GS-0059.

If the question has a related picture, it will appear here.

🔍 Key Concepts

• Radial piston hydraulic pump construction: which parts rotate, which stay fixed • How eccentricity (off-center position) between the rotating cylinder block and the reaction ring changes piston stroke and displacement • Why changing flow direction in this type of pump is usually done by reversing the geometry, not by throttling or changing pintle size

💭 Think About

• Looking at the figure, which component appears to be connected to the drive shaft and must stay centered for smooth rotation? • Which component could practically be shifted off-center to make the pistons stroke more or less as they rotate around? • If you move that adjustable component to the opposite side of center, how would that reverse which side of the pintle valve sees discharge vs suction?

✅ Before You Answer

• Identify which part is fixed to the shaft (cylinder block vs reaction ring) in a typical variable-displacement radial piston pump • Decide which part can realistically be moved off-center during operation to vary piston stroke without changing speed or throttling • Confirm that the same adjustment method can change both flow quantity and direction, not just one or the other

Question 1 of 27070

Regarding the pump shown in the illustration, the quantity and direction of fluid flow is controlled by __________. See illustration GS-0059.

varying the direction of rotation and size of the pintle valve

varying the direction of rotation of the prime mover and throttling the pump output

moving the cylinder block off center from the reaction ring

moving the reaction ring off center from the cylinder block

Question 1 / 270705eccef9cbacbc34ba4d459aa

Question 1 of 270705eccef9cbacbc34ba4d459aa

Regarding the pump shown in the illustration, the quantity and direction of fluid flow is controlled by __________. See illustration GS-0059.

Back

Question 1 of 27070

Regarding the pump shown in the illustration, the quantity and direction of fluid flow is controlled by __________. See illustration GS-0059.

If the question has a related picture, it will appear here.