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US 5,344,291 AGranted
Motor pump power end interconnect
AssigneeA. W. Chesterton Company
InventorRichard P. Antkowiak
Life of this patent
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AssigneeA. W. Chesterton Company
InventorRichard P. Antkowiak
Estimating the term…
A combination frame arranged between a centrifugal pump and a driver, such as a motor, the combination frame having in a central region thereof a compartment for holding shaft bearings and a quantity of oil, and a pump adapter frame arranged between said compartment and said pump, and a driver adapter frame arranged between said compartment and said driver, the pump and driver adapter frames and the compartment cast or forced as an integral structurally seamless frame between pump and driver. The driver adapter frame radially surrounds and covers impeller axial adjustment studs and reference nuts at the bearing housing, for protection. The combination frame of the present invention provides a stronger structural integrity than the multi-component frames of the prior art which allows for more precise alignment of the coupling between motor and pump which reduces vibration.
A pump arrangement comprising:
An adapter frame for connecting a driver to a centrifugal pump, wherein said pump has a pump shaft extending axially from an impeller mounted rotationally within a casing and said driver has a stationary frame and a drive shaft axially aligned and coupled to said pump shaft, comprising:
A centrifugal pump comprising a bladed impeller in a stationary pump casing, the leading edges of said blades being adjacent a first radially extending wall of said casing, a rotatable shaft on which said impeller is mounted, a shaft support for rotatably holding the end of said shaft which is opposite said impeller, and adjustable fastening means for connecting said shaft support to a stationary member, said impeller, shaft and shaft support together being adapted for axial adjustment upon axial adjustment of said fastening means, said fastening means comprising at least two threaded members projecting from said stationary member in a direction parallel to the axis of said shaft, and reference nuts on said members, having marks at regular angular intervals, and at least one reference mark on said shaft support adjacent each reference nut cooperating with said marks on said reference nuts for indicating the axial position of said impeller with respect to said pump casing;
Dependencies are inferred from the claim text.