Piston pumps and plunger pumps use a mechanism (typically rotational) to create a reciprocating motion along an axis, which then builds pressure in a cylinder or working barrel to force gas or fluid ...

The large rods reduce the effective area of the piston on the rod end resulting in smaller retraction forces. Speed - The speed is controlled by valves, which control the flow of the hydraulic oil ...

The cylinder head helps to form the combustion ... Then they are sorted by weight before making their way to piston assembly. Before both components can be put together, rings are added to the ...