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2. Hydraulic clearance - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_clearance

   The piston's design and the material used influence the optimal clearance. [2] Hydraulic spool valves: These valves rely on precise clearances to control the flow of hydraulic fluid. The clearance between the spool and valve body affects the valve's responsiveness, leakage rate, and overall performance. Different types of spool valves, such as ...

3. Radial piston pump - Wikipedia

   en.wikipedia.org/wiki/Radial_piston_pump

   That implies the following main applications for a radial piston pump: machine tools (e.g., displace of cutting emulsion, supply for hydraulic equipment like cylinders) high pressure units (HPU) (e.g., for overload protection of presses) test rigs; automotive sector (e.g., automatic transmission, hydraulic suspension control in upper-class cars)

4. Tappet - Wikipedia

   en.wikipedia.org/wiki/Tappet

   A hydraulic tappet, also known as a "hydraulic valve lifter" and "hydraulic lash adjuster", contains a small hydraulic piston that becomes filled with pressurised engine oil. [4] [11] The piston acts as a hydraulic spring that automatically adjusts the tappet clearance according to the oil pressure. Although the movements of the piston are ...

5. Piston - Wikipedia

   en.wikipedia.org/wiki/Piston

   Pistons of Hydraulic cylinders used in a hot press. Hydraulic cylinders can be both single-acting or double-acting. A hydraulic actuator controls the movement of the piston back and/or forth. Guide rings guides the piston and rod and absorb the radial forces that act perpendicularly to the cylinder and prevent contact between sliding the metal ...

6. Hydraulic cylinder - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_cylinder

   The "generator" side of the hydraulic system is the hydraulic pump which delivers a fixed or regulated flow of oil to the hydraulic cylinder, to move the piston. There are three types of pump widely used: hydraulic hand pump, hydraulic air pump, and hydraulic electric pump. The piston pushes the oil in the other chamber back to the reservoir.

7. Volumetric efficiency - Wikipedia

   en.wikipedia.org/wiki/Volumetric_efficiency

   Volumetric efficiency (VE) in internal combustion engine engineering is defined as the ratio of the equivalent volume of the fresh air drawn into the cylinder during the intake stroke (if the gases were at the reference condition for density) to the volume of the cylinder itself.