Patent · US Active

Actuating drive for adjusting a large rolling bearing

US11761482B2 · kind B2 · utility

0Cited by

4References

16Claims

0Family size

Assignee

Liebherr-Components Biberach GmbH · DE

Inventors

Martin Dahl · Flensburg, DE
Stephan Kreiner · Ulm, DE
Markus Schuster · Ann Arbor, US
Thomas Schulze · Rudolstadt, DE
Klaus Graner · Ahlen, DE
Andreas Palmer · Riedlingen, DE

Key dates

Filing date	Nov 6, 2020
Grant date	Sep 19, 2023
Priority date	—
Expiry date	Dec 3, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/72
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An adjusting drive for adjusting the rotational position of a large rolling bearing that comprises two bearing rings that can be rotated relative to each other, having an actuator for rotating the two bearing rings relative to each other. According to the invention, the actuating drive has a ring channel cylinder, which is formed in or on one of the bearing rings of the large rolling bearing, and at least one piston, which is received in the ring channel cylinder in a movable manner and is drivingly connected to the other bearing ring of the two bearing rings.

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