Patent · US Active

Combined UHV insulation system

US11394283B2 · kind B2 · utility

3Cited by

7References

8Claims

0Family size

Assignee

Hanon Systems · KR

Inventors

David Walisko · Hürth, DE
Frank Mau · Aachen, DE
Marco Hombitzer · Aachen, DE

Key dates

Filing date	May 6, 2020
Grant date	Jul 19, 2022
Priority date	—
Expiry date	Dec 21, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH02K3/40
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A stator unit of an electric motor for driving a hermetic compressor including a stator core and a coil separator cage, which is inserted into the stator core and includes a substantially annular disc-shaped base part and elongated separating webs distributed over the circumference of the base part, with their longitudinal axes extending in the axial direction relative to the stator core, wherein the annular disc-shaped base part is fastened to a first end face of the stator core, and a separating web engages in each stator slot, such that one of the separating webs is arranged between two adjacent coils, wherein each gap between the coil separator cage and the coil windings is filled with an insulating filler.

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