VARIABLE DISPLACEMENT SWASH PLATE TYPE PISTON PUMP

• Main Authors: MATSUO, Tsutomu, YOKOMACHI, Naoya, UEDA, Yuki, UNO, Takashi
• Format: Patent
• Language: English; French; German
• Published: 21.11.2018
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

A variable displacement swash plate type piston pump includes first and second housing members, which are fastened to each other by fastening members, a rotary shaft, a swash plate, which includes a protrusion extending outward. A section of the inner circumferential surface of the first housing member has a recess in which the protrusion is arranged. A bulging portion is arranged in a section of the outer circumferential wall of the first housing member. A section of the outer circumferential wall of the second housing member has a closing portion that closes the opening of the recess. The fastening members include first and second fastening members, which are arranged at positions that are on the opposite sides of the recess, inside the width of the swash plate in a direction along the inclination axis of the swash plate, and closer to the rotary shaft than the distal ends of the bulging portion and the closing portion in the bulging direction.