Hot water pump with cooled sealing housing
AssigneeMaschinenfabrik Andritz Actiengesellschaft
InventorRudolf Wieser
Life of this patent
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Abstract
This invention relates to an improvement in a hot water pump having a cooled sealing housing in a pump cover in the upper pump portion. The improvement comprises means mounting the sealing housing in a recess of the pump cover in a manner such that an annular air space is present between the outer surface of said sealing housing and the inner surface of the recess of the pump cover, said air space being in communication with the exterior space surrounding the pump.
Claims41
In a hot water pump having a cooled sealing housing in a pump cover in the upper pump portion, the improvement which comprises means mounting the sealing housing in a recess of the pump cover in a manner such that an annular air space is present between the outer surface of said sealing housing and the inner surface of the recess of the pump cover, said air space being in communication with the exterior space surrounding the pump.
Dependencies are inferred from the claim text.