Aircraft engine with clutch and mechanical lock

US11267563B2 · kind B2 · utility

Assignee

• PRATT & WHITNEY CANADA CORP. · CA

Inventors

• Stephane Berube · St-Philippe, CA
• Bruno Villeneuve · Boucherville, CA

Key dates

• Filing date: Oct 29, 2018
• Grant date: Mar 8, 2022
• Expiry date: Oct 25, 2040

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60K17/26
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

There is disclosed an aircraft engine assembly including an engine having an engine shaft; an output shaft; a clutch in driving engagement between the engine shaft and the output shaft. The clutch has a first component in driving engagement with the engine shaft and a second component. The clutch is operable between first and second configurations. In the first configuration, the first component is rotatable relative to the second component and the engine shaft is rotatable relative to the output shaft. In the second configuration, the first and second components are engaged with one another and the engine shaft rotates with the output shaft. A mechanical lock is operable between first and second positions. In the first position, the mechanical lock is disengaged from the first component. In the second position, the first and second components are secured for joint rotation one relative to the other.