Rolling-element bearing transmission

US11143282B2 · kind B2 · utility

Assignee

• AKTIEBOLAGET SKF · SE

Inventors

• Ingo Schulz · Gerolzhofen, DE
• Bernd Stephan · Schweinfurt, DE

Key dates

• Filing date: Feb 12, 2018
• Grant date: Oct 12, 2021
• Expiry date: Mar 28, 2040

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16H2025/063
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A rolling-element bearing transmission includes a rotor configured to rotate a shaft relative to a stator and a rotatable output ring that includes a first rolled-on surface element. The shaft includes at least one second rolled-on surface element, and the stator includes a third rolled-on surface element. First and second pluralities of rolling elements are located between the shaft and the stator and between the shaft and the output ring. Also, a transmission mechanism transmits a rotary motion of the shaft to the output ring with a speed reduction such that the output ring rotates at a lower speed than the shaft.