| 摘要 |
A vane cell pump with a housing ring closed on the face end and with a rotary piston that revolves eccentrically to the inner wall of the housing ring, which rotary piston encloses at least one supply chamber with the inner wall of the housing ring and with at least one spring-loaded vane that is held radially displaceably in order to limit the supply pressure at a given rpm, at least one pressure impingement face that is acted upon by the supply pressure in the supply chamber is formed on the vane in such a way that by the supply pressure, a radial force oriented to the vane counter to the compression spring is produced that at a predetermined supply pressure is greater than the total of the force of the compression spring and the centrifugal force acting on the vane.
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