Patent · US Active

Aircraft brake actuator assemblies

US9605723B2 · kind B2 · utility

3Cited by

2References

17Claims

0Family size

Assignee

GOODRICH CORPORATION · US

Inventors

Kevin Rehfus · Troy, US
David Drennen · Centerville, US
Harald Klode · Centerville, US

Key dates

Filing date	Jul 21, 2015
Grant date	Mar 28, 2017
Priority date	—
Expiry date	Aug 13, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H2025/2087
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The present disclosure provides an actuator assembly comprising a ballnut having a helical track, an actuator drive unit (“ADU”) housing having an ADU track, and a ballscrew. In various embodiments, the ballscrew comprises a first translation bearing track, wherein the helical track and the first translation bearing track form a first translation bearing raceway in which a plurality of first translation bearing balls having a first diameter are disposed, and a second translation bearing track, wherein the helical track and the second translation bearing track form a second translation bearing raceway in which a plurality of second translation bearing balls having a second diameter are disposed, wherein the first diameter and the second diameter are not equal.

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