#ROLLS ROYCE NAM TECH INC [US]

REDUNDANT ELECTRICALLY DRIVEN FUEL AND OIL PUMPING SYSTEM FOR GAS TURBINE WITH BIDIRECTIONAL PUMP MOTOR

A redundant oil and fuel pumping system for use with a gas turbine engine. The pumping system includes a plurality of power sources, a fuel system and an oil system. The fuel system pump being driven …

DRIVE·Oct 2·1 min read

F01D25/20 ROLLS ROYCE NAM TECH INC [US]

VARYING QUANTITIES OF MOTOR POLES FOR NOISE REDUCTION

An alternating current type electric propulsion system is described that includes an AC generator and a plurality of propulsors electrically coupled to the AC generator. A first propulsor from the plu…

DRIVE·Dec 14·1 min read

B60L50/10 ROLLS ROYCE NAM TECH INC [US]

Particle separator for a gas turbine engine

A particle separator for separating particles and/or materials entrained in a flow of air is disclosed. The particle separator includes an annular inlet defined by an outer shroud and an inner shroud.…

DRIVE·Jul 4·1 min read

B01D45/06 ROLLS ROYCE NAM TECH INC [US]

Gas turbine engine with bleed air system

One embodiment of the present invention is a unique gas turbine engine. Another embodiment of the present invention is also a unique gas turbine engine. A further embodiment is a unique method for ope…

DRIVE·Jul 4·1 min read

F01D17/10 ROLLS ROYCE NAM TECH INC [US]