Patent ID: 9051933
Filing Date: 2015-06-09
Classification: F01C,F04C

Abstract:
1. A vane pump, comprising: an inner rotor rotatably mounted in a cage; and a plurality of vanes which are mounted in a radially displaceable manner in substantially radial slots in the inner rotor, wherein the substantially radial slots and the plurality of vanes are arranged asymmetrically on the inner rotor relative to at least one of a vertical and horizontal axis; wherein at least one of the plurality of vanes has a larger circumferential distance from a first adjacent of the plurality of vanes than from a second adjacent of the plurality of vanes; and wherein the vane pump is configured as a pendulum-slider pump such that the plurality of vanes are configured as pendulums and the substantially radial slots in the inner rotor are sized to permit the plurality of vanes to rotate and slide within the substantially radial slots.