Flugzeugtriebwerk mit Schmiermittelsystem mit Windmühlenkonfiguration

Details

Veröffentlichungs-Nr.

EP4818480

Anmeldetag

7. April 2026

Veröffentlichung

7. Oktober 2026

Rechtsraum

EP

Abstract

An aircraft engine, has: a low-pressure assembly having first components having first inlets and first scavenge outlets; a high-pressure spool having second components having second inlets and second scavenge outlets; a lubricant system for lubricating the first components and the second components, the lubricant system having: a lubricant tank containing a volume of lubricant; a main pump fluidly connected to the lubricant tank and to the components; and a scavenge pump fluidly connected to the scavenge outlets and to the lubricant tank; and an electric motor drivingly engageable to the main pump, the lubricant system having: a standard configuration in which the electric motor is powered off and in which the main pump is drivingly engaged by a shaft of the aircraft engine; and a windmilling configuration in which the main pump is drivingly engaged by the electric motor.

Anmelder

Firma

Pratt & Whitney Canada Corp.

Land

🇨🇦 Kanada