INTERNAL GEAR PUMP

• Main Authors: WATANABE SHIGEHIRO, HADO MAKOTO
• Format: Patent
• Language: English
• Published: 05.06.2008
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS; WEAPONS

PROBLEM TO BE SOLVED: To provide an internal gear pump in which the occurrence of cavitation is suppressed by suppressing the increase of the loss of suction pressure into a gap between both rotors. SOLUTION: A cylindrical drum 4 is disposed in a casing body 1 having a suction port 10 and a discharg...