A kind of Roots blower

A kind of Roots blower

  • CN 100,554,696 C
  • Filed: 07/03/2007
  • Issued: 10/28/2009
  • Est. Priority Date: 07/03/2007
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of Roots blower, comprise driving gear (1), driven gear (2), gearbox cover (3), left wallboard (4), casing (5), rotor (6), right wallboard (7), bearing (8) and bearing cap (9), it is characterized in that:

  • the impeller shaft (6-1) that has ladder type external tooth (12) or rotor (6) on the impeller shaft (6-1) of rotor (6) upward has ladder type external tooth (12) on the labyrinth axle sleeve (11) of cover admittedly;

    And have square type internal tooth (13) on the labyrinth bush (10) in left and right wallboard (4, the

         7) axis hole.

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