#Rolls-Royce Corporation

Aircraft Override For An Energy Storage System

A power reduction system for an energy storage system of an aircraft includes a controller configured to control power reduction of power supplied from the energy storage system to an aircraft engine …

DRIVE·Mar 6·1 min read

B64D31/00 Rolls-Royce Corporation

HYBRID PROPULSION SYSTEMS WITH POWER SHARING

An example aircraft includes a parallel propulsion unit, the parallel propulsion unit comprising: a propulsor configured to provide forward propulsion of the aircraft; a gas turbine engine configured …

DRIVE·Jul 25·1 min read

B64D27/10 Rolls-Royce Corporation

AIRCRAFT THERMAL MANAGEMENT SYSTEM FOR AN ENERGY STORAGE SYSTEM

A thermal management system for an energy storage system for an aircraft includes a pump circulating a thermal management fluid through the thermal management system and an energy storage device of th…

DRIVE·Feb 29·2 min read

G05B19/416 Rolls-Royce Corporation

HYBRID AIRCRAFT HAVING RECTIFIER WITH INTEGRATED PROTECTION

A system includes a first generator configured to output a first plurality of AC signals; a second generator configured to output a second plurality of AC signals; a first set of rectifiers configured…

DRIVE·Aug 17·1 min read

B60L3/003 Rolls-Royce Corporation

PROPELLER DRIVEN BACKUP COOLING PUMP SYSTEM FOR ELECTRIC MOTOR CONVERTER

A propulsion system for an aircraft includes a propeller assembly, a controller, and a pump system. The propeller assembly includes a propeller and a power system, the power system including an electr…

DRIVE·Jun 22·1 min read

B64D33/08 Rolls-Royce Corporation

CIRCULAR CONFIGURATION OF BATTERY CELLS FOR AIRCRAFT

An example system includes one or more battery modules, a battery module of the one or more battery modules comprising: a cylindrical pressure vessel; a cooling channel extending axially through the c…

DRIVE·May 25·1 min read

B64D27/24 Rolls-Royce Corporation

VOLTAGE CONTROLLED AIRCRAFT ELECTRIC PROPULSION SYSTEM

A voltage controlled aircraft electric propulsion system includes an electric propulsion system. The voltage controlled aircraft electric propulsion system may include electric propulsors providing th…

DRIVE·Nov 17·1 min read

B64D31/06 Rolls-Royce Corporation

BATTERY PACK CORE FOR FIRE AND EXPLOSION PROTECTION FOR BATTERY MODULE

A battery pack core may include a cold plate comprising a plurality of apertures defined between a first major surface and a second major surface of the cold plate; a plurality of battery cells, a sin…

DRIVE·Oct 13·1 min read

H01M50/204 Rolls-Royce Corporation

HYBRID PROPULSION SYSTEM POWER MANAGEMENT

An example method of managing power in a hybrid propulsion system includes receiving, by one or more processors, a power demand that specifies an amount of power to be used to propel a vehicle that in…

DRIVE·Jan 20·2 min read

B60W20/13 Rolls-Royce Corporation

ELECTRICAL MACHINE MONITOR

An example method includes receiving, by one or more processors and via a sensor, a signal representing operational characteristics of a device included in an aircraft; determining, by the one or more…

DRIVE·Sep 2·1 min read

G07C5/0816 Rolls-Royce Corporation

AIRCRAFT WITH ELECTRICAL ENERGY STORAGE IN NACELLES

An example system includes a first plurality of nacelles located on a first side of an aircraft, wherein each nacelle of the first plurality of nacelles includes an electric motor coupled to a propuls…

DRIVE·Jul 29·1 min read

B64D27/24 Rolls-Royce Corporation

FLUID ATOMIZER

A fluid atomizer and methods of atomizing fluids are disclosed. The fluid atomizer may comprise an inner member and one or more outer members. The inner member defines an interior conduit for providin…

DRIVE·Jul 1·1 min read

B05B7/2489 Rolls-Royce Corporation

FIRE RESISTANT GEARBOX HOUSING

A gearbox housing includes a set of ribs on an inner surface of a wall portion of the housing. During a fire event, heat received at the outside of the gearbox is transferred to the ribs, which transf…

DRIVE·May 13·1 min read

F16H57/0417 Rolls-Royce Corporation

LIGHTWEIGHT PARALLEL COMBUSTION LIFT SYSTEM FOR VERTICAL TAKEOFF AIRCRAFT

A lightweight lift system for VTOL/VSTOL operation running in parallel with an existing turbine. This system distributes LP power by switching compressor flow and fuel proportionally over to the lift …

DRIVE·Apr 1·1 min read

B64C29/0016 Rolls-Royce Corporation

Electrically Controlled Vertical Takeoff and Landing Aircraft System and Method

A vertical takeoff and landing aircraft system includes a gas turbine engine coupled to a variable pitch propeller. The gas turbine engine is also coupled to a power split device including a first mot…

DRIVE·Mar 18·1 min read

B64C29/00 Rolls-Royce Corporation

MULTIPLE ENGINE CONDITION MATCHING VIA ELECTRICAL POWER EXTRACTION CONTROL

A multi-engine power system is described that includes a load requiring a total amount of electrical power, a first engine configured to provide a first portion of the total amount of electrical power…

DRIVE·Nov 9·1 min read

H02P9/04 Rolls-Royce Corporation