Patent · US Active

Blade pitch actuation mechanism

US11667374B2 · kind B2 · utility

1Cited by

14References

5Claims

0Family size

Assignee

RATIER-FIGEAC SAS · FR

Inventors

Ludovic Prunet · Cahors, FR
Patrick Moles · Corn, FR
Kévin Le Meur · Caubinet, FR

Key dates

Filing date	Mar 15, 2021
Grant date	Jun 6, 2023
Priority date	—
Expiry date	Mar 15, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T50/50
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A blade pitch actuation mechanism comprising a rotating race member in which is formed a race configured to receive a trunnion pin attached to a blade, whereby the race defines a cam profile such that rotation of the race member causes the trunnion pin received in the race to rotate as it slides over the cam profile.

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