Self-cleaning cover plate in a pump with radial flow
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United States of America Patent
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Jan 30, 2018
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app pub date -
Nov 24, 2011
filing date -
Nov 24, 2010
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Abstract
The invention relates to a cover plate (2) for a screw-type centrifugal wheel pump (1), wherein the cover plate (2) has a front side (2h) and a rear side (2i), and wherein the front side (2h) comprises a surface part (2k) which runs in a preferably frustoconical manner and the profile of which is designed to be matched to the rear side of a screw-type centrifugal wheel (25), wherein the surface part (2k) has, in the center thereof, a central opening (2g), wherein the central opening (2g) runs in the direction of an axis (A), and wherein the cover plate (2) has at least one aperture (2a) which is arranged in the region of the surface part (2k) and spaced apart from the central opening (2g), and wherein the aperture (2a) forms a fluid-conducting connection between the front side (2h) and the rear side (2i) of the cover plate (2).
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