#B64D27/33

MASTER-SLAVE HYBRID-ELECTRIC POWERTRAIN CONTROL ARCHITECTURE WITH SUPERVISORY POWER MANAGEMENT CONTROL

A method of operating a hybrid electric powertrain (HEP) (100) may include determining, based on a HEP torque demand and a maximum torque limit for a gas turbine engine (108) having a mechanical outpu…

DRIVE·5d ago·2 min read

B64D27/33 PRATT & WHITNEY CANADA [CA]

CONTROL FOR ELECTRICALLY ASSISTED TURBINES

A method of accelerating a gas turbine engine (100) includes adding torque to a core (144) of the gas turbine engine (100) to accelerate rotation of the core (104) by controlling fuel flow to a plural…

DRIVE·Apr 30·1 min read

B64D27/33 PRATT & WHITNEY CANADA [CA]

SELECTIVE POWER DISTRIBUTION FOR AN AIRCRAFT PROPULSION SYSTEM

An assembly for an aircraft includes a carrier (90), a first gear system (86), a second gear system (88) and an idler gear (92). The first gear system (86) includes a first sun gear (94), a first ring…

DRIVE·Mar 5·2 min read

B64D27/33 RTX CORP [US]

CONTROL SYSTEMS FOR HYBRID ELECTRIC POWER PLANTS

A control system (100) for a hybrid electric powerplant of an aircraft includes a throttle controller (101) configured to receive one or more power settings and to output a heat engine setting and an …

DRIVE·Feb 12·2 min read

B64D27/33 PRATT & WHITNEY CANADA [CA]

AIRCRAFT POWER AND PROPULSION SYSTEMS AND METHODS OF OPERATING AIRCRAFT POWER AND PROPULSION SYSTEMS

Aircraft power and propulsion systems 100 and methods 300 of operating such power and propulsion systems 100 are provided. One such method 300 comprises: operating one or more electric machines 111, 1…

DRIVE·Jan 29·2 min read

B64D27/33 ROLLS ROYCE PLC [GB]

INTEGRATED HYDROGEN-ELECTRIC AIR PROPULSION ENGINE

An integrated hydrogen-electric engine including an air compressor system, a hydrogen fuel source, a fuel cell stack, a heat exchanger, an elongated shaft, and a motor assembly. The heat exchanger is …

DRIVE·Jul 17·1 min read

B64D27/33 ZEROAVIA INC [US]

GAS TURBINE ENGINE WITH TORQUE TRANSFER ASSEMBLY

The torque transfer assembly (36) can include a sleeve (40) having an elongated internal opening (42), a shaft (38) having an elongated body (44) extending in the internal opening (42) of the sleeve (…

DRIVE·Jul 17·2 min read

B64D27/33 PRATT & WHITNEY CANADA [CA]

TWIN-ENGINE SYSTEM WITH ELECTRIC DRIVE

A twin-engine system (10) includes a gas turbine engine (20) comprising a core (22) and a first output shaft (24) drivable by the core (22). An electric engine (30) has an electric motor (32) configur…

DRIVE·Jan 31·1 min read

B64D27/33 PRATT & WHITNEY CANADA [CA]

HYBRID GAS TURBINE ENGINE

A hybrid multi-spool gas turbine engine (10), has: a LP spool (12) and a HP spool (14) rotatable about a central axis, the LP spool (12) having an LP compressor (12a) and an LP turbine (12b) engaged t…

DRIVE·Nov 8·2 min read

B64D27/33 PRATT & WHITNEY CANADA [CA]