Patent · US Active

Insulated pitch tube

US12276255B2 · kind B2 · utility

0Cited by

3References

12Claims

0Family size

Assignees

ZF FRIEDRICHSHAFEN AG · DE
ZF Wind Power Antwerpen N.V. · BE
Vestas Wind Systems A/S · DK

Inventors

Dirk Strasser · Breckerfeld, DE
Dietmar Weist · Dortmund, DE
Deyan Stoyanov · Bochum, DE
Ralf Sperlich · Witten, DE

Key dates

Filing date	Aug 17, 2020
Grant date	Apr 15, 2025
Priority date	—
Expiry date	Nov 16, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/72
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An arrangement includes a transmission, a pitch tube, and a fixation device configured to affix the pitch tube in the transmission. The fixation device is electrically insulated from the pitch tube. The pitch tube can be axially movable relative to the fixation device. The pitch tube can be fixed in a shaft or a rotatably-mounted planet carrier of the transmission by the fixation device.

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