ROTARY SWASH PLATE HYDRAULIC PUMP

原文（中国語）

This rotary swash plate hydraulic pump includes: a casing; a cylinder block disposed in the casing so as to prevent relative rotation of the cylinder block and including a plurality of cylinder bores that are open on one end surface of the cylinder block; a rotary swash plate rotatably housed in the casing so as to face the one end surface of the cylinder block; a plurality of pistons each of which is inserted into a corresponding one of the plurality of cylinder bores and reciprocates within the corresponding one of the plurality of cylinder bores by rotation of the rotary swash plate; and a variable capacity mechanism that changes an effective stroke length of at least one piston included in the plurality of pistons.