F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 17/00 (2006.01) F04B 35/04 (2006.01) F04B 39/02 (2006.01) F04B 39/06 (2006.01) F04D 7/06 (2006.01) F04D 29/04 (2006.01) F04D 29/22 (2006.01) F04D 29/44 (2006.01)
Patent
CA 2115929
A submersible pump assembly comprises a pump, an exit adaptor, and a mounting upper structure. The upper structure supports a motor, a shaft coupling device and a pipe coupling system. The pump includes a non-volute chamber and an imperforate polygonal rotor and a monoblock pump casing with selectable exit adapters for using the same assembly as a circulation pump, a transfer pump, or a gas-injection pump. The upper mounting structure is not subject to extensive splashing allowing easy replacement of the support posts. The shaft coupling device is a self-centering mechanism which enables easy motor to pump shaft coupling via a threadless connection. When used as a transfer pump, the pipe coupling system allows easy connection of a standard pipe flange to a refractory-lined pipe elbow without using additional cementing.
Cooper Paul V.
Gowling Lafleur Henderson Llp
LandOfFree
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