Patent ID: 9282754
Filing Date: 2016-03-15
CPC Classification: A22C,F01C,F04C

Claim Text:
1. A method for adjusting compression in vane cell chambers in a compression region of a vane cell pump for conveying pasty substance, wherein the compression region is defined as the region in which the vane cells are reduced in size between an inlet and an outlet and the distance between a rotor and an inner wall of the pump housing decreases, the vane cell pump including a plurality of vanes that at least partially define the vane cell chambers, the method comprising changing a guide device of the vanes to adjust the compression in the compression region, the changing comprising forming a gap between vane tips of the vanes and the inner wall of the pump housing of the vane cell pump, the gap being formed in an adjustment region upstream of the compression region and the adjustment region extending at least from one end of the inlet to a beginning point of the compression region at which a vane closes a vane cell chamber, the changing further comprising changing the shape of the guide devices so that at least one of a width and a length of the gap is adjusted, such that filling material can flow back into the subsequent chamber through the gap between the vane and the inner wall, and changing the guide device further comprising replacing the guide device with a guide device having a different guide contour.