Patent · US Active

Lower attachment for trimmable horizontal stabiliser actuator

US10337593B2 · kind B2 · utility

3Cited by

9References

11Claims

0Family size

Assignee

GOODRICH ACTUATION SYSTEMS SAS · FR

Inventors

Raphael Medina · Pierrefitte-sur-Seine, FR
Anh-Vu Abdul-Bari · Franconville, FR

Key dates

Filing date	Mar 25, 2016
Grant date	Jul 2, 2019
Priority date	—
Expiry date	Nov 11, 2037

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H25/2472
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A lower attachment system for a trimmable horizontal stabilizer actuator (THSA) includes a screwshaft forming a part of or coupled to a main screw of the actuator, the screwshaft having an axial direction and a primary ballnut disposed on the screwshaft and forming a part of a primary load path of the lower attachment system. The THSA also includes a lower secondary nut and an upper secondary nut as well as a secondary connection arranged for axial and rotational movement and coupled to each of the lower secondary nut and the upper secondary nut. The secondary connection is arranged to be loaded when the secondary load path is loaded and the secondary load path also includes the upper and lower secondary nuts.

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