Invention Grant
- Patent Title: Variable capacity centrifugal pump
- Patent Title (中): 可变容量离心泵
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Application No.: US159490Application Date: 1988-02-23
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Publication No.: US4828454APublication Date: 1989-05-09
- Inventor: Joseph H. Morris , Edmund J. Jarski , Gregory E. Harris
- Applicant: Joseph H. Morris , Edmund J. Jarski , Gregory E. Harris
- Applicant Address: DC Washington
- Assignee: The United States of America as represented by the Secretary of the Navy
- Current Assignee: The United States of America as represented by the Secretary of the Navy
- Current Assignee Address: DC Washington
- Main IPC: F04D15/00
- IPC: F04D15/00
Abstract:
A variable capacity centrifugal pump capable of directly varying capacity,r output, in response to existing back pressure. The pump comprises a axially movable shroud having female grooves in fluid tight communication with male impeller vanes. The shroud has a top face surface in fluid communication with a control cavity which in turn is in fluid communication with pump back pressure.
Public/Granted literature
- US5480135A Sheet collating or storage device Public/Granted day:1996-01-02
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