Landing gear vibration absorber and method of operating said landing gear vibration absorber

US8967536B2 · kind B2 · utility

Assignee

• AIRBUS HELICOPTERS DEUTSCHLAND GMBH · DE

Inventors

• Raphael Rammer · Munich, DE
• Peter Znika · Neubiberg, DE

Key dates

• Filing date: Dec 17, 2012
• Grant date: Mar 3, 2015
• Expiry date: Jan 15, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49764
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A landing gear vibration absorber (1) of a helicopter (2) with a landing gear (3) comprising a pair of skids (4, 5) and at least one cross tube (6, 7) for mounting the skids (4, 5) to a helicopter's fuselage (8). At least one spring-mass system (10, 20, 24) is mounted to the landing gear (3). Said at least one spring-mass system (10, 20, 24) is tuned to the helicopter's main excitation frequency and said at least one spring-mass system (10, 20, 24) being located at or near at least one antinode of the landing gear (3). The invention is related as well to a method of operating a landing gear vibration absorber (1) of a helicopter (2).