Patent · US Active

Bell-armature coil

US7821173B2 · kind B2 · utility

2Cited by

7References

10Claims

0Family size

Assignee

DR. FRITZ FAULHABER GMBH & CO. KG · DE

Inventors

Thomas Bertolini · Diersheim, DE
Roland Keller · Greifensee, CH
Roland Brugger · Altdorf, DE
Roland Kirchner · Lenggries, DE
Hubert Renner · Grafenau, DE
Helmut Wagner · Lenggries, DE

Key dates

Filing date	May 11, 2007
Grant date	Oct 26, 2010
Priority date	—
Expiry date	Jun 12, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49012
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In at least one embodiment of the present invention a bell-armature coil for an electric motor is provided. The bell-armature coil comprises a hollow-cylindrical coil winding which forms a coil opening at one end and is wound from a winding wire. The bell-armature coil further comprises a coil former plate. The coil former plate includes a printed circuit board. Into the coil opening the coil former plate is inserted. The coil winding has conductor ends which are connected to the printed circuit board.

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