Electrically driven pump for liquids

F - Mech Eng,Light,Heat,Weapons – 04 – B

Patent

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F04B 17/00 (2006.01) F04B 9/00 (2006.01) F04D 13/06 (2006.01)

Patent

CA 2105359

A B S T R A C T 1. Electrically driven pump for liquids. 2.1 An electrically driven pump 1 exhibits a pump casing 2 that is provided with a suction orifice 3 and an outlet orifice 4 and in which a pump chamber 5 is arranged connected with the suction and outlet orifice, and which in part extends between field producing elements 6 arranged in the pump casing 2 and in which a rotor 7 of an electric motor connected to a feed wheel 8 is arranged pivoted on a bearing shaft 9. In a circular orifice 11 of the pump casing 2, a closure element 12 is pivotally attached, forming a wall of pump chamber 5. The pump is to be constructed in such a manner as to operate securely even under difficult operating conditions. 2.2 To this end, the shaft 9 carrying the rotor 7 of the electric motor as well as the feed wheel 8 of the pump is pivoted in the closure element 12 in such a manner that upon removing the closure element 12 from the circular orifice 11 of the pump casing 2, the rotor 7, the feed wheel 8, the shaft 9 and the closure element (12) carrying these elements form a cohesive unit. 2.3 Based on the mounting of the shaft in the closure element, a separate handling of the shaft is not required; cleaning and servicing processes can therefore be carried through in a very short time, even by laymen.

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