Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having multiple parts releasably clamped
Patent
1990-07-18
1991-12-31
Look, Edward K.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Casing having multiple parts releasably clamped
415196, 415912, F04D 2900
Patent
active
050767585
ABSTRACT:
A centrifugal pump including a cup-shaped housing closed by a casing cover having inlet and outlet ports and enclosing a pump impeller mounted on a shaft driven by an external driver. The centrifugal pump impeller discharges fluid into a helical passage as it travels from the periphery of the impeller to the discharge port and with the passage being confined to a cylindrical envelope extending axially relative to the impeller and slightly larger than the periphery of the impeller. The helical passage is defined by a part of the pump housing that is separate from the main portion of the housing.
REFERENCES:
patent: 2636442 (1953-04-01), Roth
patent: 3091182 (1963-05-01), Anderson et al.
patent: 3188966 (1965-06-01), Tetlow
patent: 3543368 (1970-12-01), Marlow
patent: 4178131 (1979-12-01), Sieghartner
patent: 4676717 (1987-06-01), Willyard, Jr. et al.
Bell James R.
Ingersoll-Rand Company
Larson James A.
Look Edward K.
Tibbott David W.
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