Low-noise roots blower rotor

• Main Authors: YE SUMEI, XIA SHIJUN
• Format: Patent
• Language: Chinese; English
• Published: 24.11.2020
• 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 utility model provides a low-noise rotor of a roots blower. The utility model relates to the technical field of Roots blower rotors. A low noise Roots blower rotor includes: a rotor shaft; the bottom of the first rotor is in transmission connection with a second rotor. The rotor I and the rotor II are trilobal; a plurality of notches are formed in the concave parts of the outer surfaces of therotor I and the rotor II; two circular plates are fixed in each notch; circular holes are formed in the front surfaces of the circular plates; sound absorption cotton is fixed in the round holes, a plurality of holes are formed in the outer walls of the round plates, clamping holes are formed in protrusions on the front faces and the rear faces of the first rotor and the second rotor, baffles arearranged outside the clamping holes, sound absorption plates are bonded to the inner walls of the baffles, fixing rods are fixed to the surfaces of the baffles, and the tail ends of the fixing rods penetrate out of the inner