Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method
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United States of America Patent
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Jan 13, 2004
Grant Date -
Feb 20, 2003
app pub date -
Aug 9, 2002
filing date -
Aug 16, 2001
priority date (Note) -
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Abstract
A method and a pump apparatus are provided for the generation of an adjustable, substantially constant volume flow of a fluid by means of a pump apparatus, wherein the fluid (5) is forwarded by the pump apparatus (1) from a reservoir (2) into a flow connection (4). A rotary pump (1) is used as the pump apparatus and the rotary pump (1) is operated at an efficiency which is less than half the maximum efficiency (.eta..sub.max) of the rotary pump (1).
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