Vane pump with a bypass valve and passage arrangement for equalizing excess fluid flow through dual suction passages

• Main Authors: FUJIWARA HIDETOSHI, YAMAUCHI KENTARO, SUZUKI YOSHINORI
• Format: Patent
• Language: English
• Published: 12.04.2005
• Edition: 7
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; STEAM ENGINES; WEAPONS

In a housing of a pump apparatus having a flow control valve to discharge a part of excess fluid in a deviated slanting way to a bypass pass 11, a pair of suction paths 19, 19' is formed opposite to end portions 119, 119' of the bypass path 11 to send operation fluid to suction ports of th...