Patent · US Active

Motor centrifugal pump having coolant pump

US8226385B2 · kind B2 · utility

13Cited by

4References

20Claims

0Family size

Assignee

Wilo AG · DE

Inventors

Rolf Wendel · Rehau, DE
Dieter Waechter · Thiersheim, DE
Andreas Zeiss · Tauperlitz, DE
Bernd Huster · Lindau (Bodensee), DE

Key dates

Filing date	Aug 7, 2007
Grant date	Jul 24, 2012
Priority date	—
Expiry date	Oct 15, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH02K7/1163
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a motor centrifugal pump, particularly as an immersion pump, having a coolant pump that is driven by the electric motor, the pump circulating the coolant of the electric motor and the impeller thereof being driven by the electric motor, wherein the impeller shaft of the coolant pump is connected to the motor shaft via a transmission.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.