Title:
MIXED FLOW PUMP
Document Type and Number:
WIPO Patent Application WO2003038286
Kind Code:
A3
Abstract:
The present invention relates to propulsion and hydraulic systems having a coaxial design wherein the inlet section (1), impeller section (12), and outlet section (13) of a mixed flow pump system (3) all have a common centerline axis or axis of rotation (2). The mixed flow pump system includes an outer casing (10) and a central body (20) disposed co-axially within the outer casing. A pump impeller (21) is rotatably connected to the central body for imparting hydraulic energy to the fluid flowing through the mixed flow pump system. The mixed flow pump system may also include inlet flow conditioning vanes (40) for conditioning an inlet flow of fluid to the mixed flow impeller for improving the cavitation performance and/ or acoustic performance of the pump module. Stator vanes (45) are provided for connecting the central body to the outer casing and to remove any swirl velocity from the fluid flow exiting the mixed flow pump impeller.
Inventors:
MCBRIDE MARK W
Application Number:
PCT/US2002/021534
Publication Date:
June 12, 2003
Filing Date:
July 09, 2002
Export Citation:
Assignee:
PENN STATE RES FOUND (US)
International Classes:
B63H11/08; F04D3/00; F04D13/06; F04D29/44; B63H23/24; (IPC1-7): B63H11/00
Foreign References:
| US6102757A | 2000-08-15 | |||
| US5480330A | 1996-01-02 | |||
| US3939794A | 1976-02-24 |
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