Patent · US Active

DC motor having a unique winding structure

US8884484B2 · kind B2 · utility

1Cited by

8References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Wolfgang Krauth · Achern, DE
Tilo Koenig · Laufenburg (Baden), DE

Key dates

Filing date	Dec 14, 2009
Grant date	Nov 11, 2014
Priority date	—
Expiry date	May 15, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH02K3/47
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a DC motor 1 comprising a cylindrical coil carrier 7; 17 comprising wire guide element 9; 10, 12 for guiding a first winding wire 80; 180 and a second winding wire 81; 181 of an air-gap winding on both side end sections, wherein the first winding wire 80; 180 and the second winding wire 81; 181 each comprise rectangular winding segments 20; 120, wherein the rectangular winding segments 20; 120 of the second winding wire 81; 181 are disposed overlapping on the cylindrical coil carrier 7; 17 and the wire guide elements 9; 10, 12 are designed for guiding the first winding wire 80; 180 and the second winding wire 81; 181 past each other.

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