Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having tangential inlet or outlet
Patent
1990-05-31
1991-07-09
Look, Edward K.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Casing having tangential inlet or outlet
4152141, F04D 2900, F04D 1100
Patent
active
050300610
ABSTRACT:
A casing for use in an in-line centrifugal pump has two mirror symmetrical shell-shaped sections which jointly define a suction inlet at one end and an outlet at the other end of the casing. A partition is located in the symmetry plane of the two sections to define a suction chamber with one of the sections and a pressure chamber with the other section. The partition has a first shroud which extends into the inlet and is disposed at one side of the symmetry plane, and a second shroud which extends into the outlet and is disposed at the other side of the symmetry plane. The symmetry plane is normal to the axis of the pump shaft, and the other section has an aperture for a portion of the housing of a pump stage or for an impeller. Such aperture is in register with a centrally located opening which is provided in the partition and extends between the two chambers, The marginal portions of the partition are soldered, welded or glued to outwardly extending flanges of the sections. The partition reinforces the entire casing and provides a path for transmission of forces from a pipe which is connected with the inlet to a pipe which is connected with the outlet.
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patent: 4565068 (1986-01-01), Schneider
Kontler Peter K.
KSB Aktiengesellschaft
Look Edward K.
Nguyen Hoang
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