Rotary pump with a fixed shaft

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8303268
APP PUB NO 20100158725A1





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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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Patent Owner(s)

Patent OwnerAddress

International Classification(s)


Inventor Name Address # of filed Patents Total Citations
French, Colin Richard Winchester, GB 3 10
Werson, Michael John Eastleigh, GB 11 49

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