Single-winged vacuum pump

Single-winged vacuum pump

  • CN 101,002,022 A
  • Filed: 04/20/2005
  • Published: 07/18/2007
  • Est. Priority Date: 07/09/2004
  • Status: Active Grant
First Claim
Patent Images

1. a single vane vacuum pump (10), it has cup-shaped shell (12), the eccentric rotor (18) that is installed in rotationally in the shell (12), be installed in blade (20) in the rotor (18) movably perpendicular to rotatingshaft (21), the vane tip that this blade pass is crossed it abuts on the inner circumferential surface (22) that limits working space (30), and working space (30) is divided into suction chamber (40) and pressure chamber (42) in this case, and described suction chamber (40) is provided with suction port, described pressure chamber (42) is provided with relief opening (48), it is characterized in that described relief opening (48) is arranged on the inner circumferential surface (22) of pressure chamber (42).

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