Rotary pump with a fixed shaft
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United States of America Patent
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Nov 6, 2012
Grant Date -
Jun 24, 2010
app pub date -
Dec 15, 2009
filing date -
Dec 19, 2008
priority date (Note) -
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Abstract
A rotary pump (1) with a multipart pump housing (4), comprising a suction connector (6) and a pressure connector (7), a pump impeller (5) mounted on a fixed shaft (3), the pump rotor (5) being designed as a permanent magnetic rotor cooperating with an electromagnetic stator. The task of the invention in a rotary pump is to achieve excellent efficiency in a compact design. The rotary pump is also supposed to guarantee high lifetime and improved heat removal. This task is solved according to the invention in that the shaft (3) is firmly connected to a first pump housing (2), referred to as pump head, which includes the suction connector (6) or is connected to it, the shaft (3) forming an axis of symmetry to an inside wall area of pump head (2).
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