Stretching variable gear pump

• Main Authors: HUANG LIRAN, LIU DAIYI
• Format: Patent
• Language: Chinese; English
• Published: 28.04.2020
• 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

The invention discloses a stretching variable gear pump. By stretching or push-pressing an upper pressure oil base and a lower pressure oil base, the size of an oil pressure cavity is changed, at thetime, under the action of an upper pressure spring, the end of a driving gear is always in contact wi...