#Raytheon Technologies Corporation

POWER AND ENERGY MANAGEMENT FOR DISTRIBUTED HYBRID PROPULSION

A distributed hybrid propulsion system is provided and includes an engine assembly that includes an engine, which is non-propulsive, an energy storage element, a motor-generator and a common bus to wh…

DRIVE·Dec 12·1 min read

B60L50/16 Raytheon Technologies Corporation

OVERALL AIRCRAFT SYSTEM DATA COLLECTOR FOR PROGNOSTICS AND HEALTH MANAGEMENT

A hybrid electric propulsion (HEP) system of an aircraft includes a gas turbine engine configured to generate rotational power, and an electric propulsion system configured to generate at least one of…

DRIVE·Oct 17·1 min read

B64D27/24 Raytheon Technologies Corporation

AIRCRAFT FUEL SYSTEM WITH REMOVABLE FUEL TANK

During a method, an aircraft powerplant is provided. The aircraft powerplant includes an injector and a fuel system configured to deliver fuel to the injector. The fuel system includes a first tank, a…

DRIVE·Sep 19·1 min read

B64D37/16 Raytheon Technologies Corporation

AIRCRAFT HYBRID ELECTRIC PROPULSION ARCHITECTURE WITH GENERATOR-MOTOR FAIL MODE

A hybrid electric propulsion (HEP) system included in an aircraft includes a generator configured to output a first power, an energy storage system configured to output a second power, a propulsion sy…

DRIVE·Aug 29·1 min read

B64D31/00 Raytheon Technologies Corporation

CONDENSATION-BASED REDOX FLOW BATTERY REBALANCING

In a redox flow battery (RFB), the base solvent of the electrolytes tends to migrate across the barrier layer from one electrode toward the other. This can result in a volume and concentration imbalan…

DRIVE·May 11·1 min read

H01M8/188 Raytheon Technologies Corporation

HYBRID ELECTRIC SINGLE ENGINE DESCENT ENERGY MANAGEMENT

A system of a hybrid aircraft includes a first gas turbine engine, a second gas turbine engine, a power source, and a controller. The first gas turbine engine includes a first electric machine. The se…

DRIVE·May 4·2 min read

B64D27/24 Raytheon Technologies Corporation

ENERGY OPTIMIZATION FOR A HYBRID ELECTRIC ENGINE

Examples described herein provide a computer-implemented method that includes providing the hybrid electric engine, the hybrid electric engine having a gas generating core and an electric machine powe…

DRIVE·Feb 9·1 min read

B64D31/06 Raytheon Technologies Corporation

SEPARATOR LAYER FOR FLOW BATTERY

A flow battery includes an electrochemical cell that has a first electrode, a second electrode spaced apart from the first electrode, and a separator layer arranged between the first electrode and the…

DRIVE·Jan 19·1 min read

H01M8/0221 Raytheon Technologies Corporation

REDOX FLOW BATTERY WITH IMPROVED EFFICIENCY

A method for maintaining a redox flow includes draining a first battery electrolyte solution from a redox flow battery cell, the cell including a separator layer arranged between a first electrode and…

DRIVE·Jun 16·1 min read

H01M8/04186 Raytheon Technologies Corporation

NODE POWER EXTRACTION IN A WAVEGUIDE SYSTEM

A system of a machine includes a network of a plurality of nodes distributed throughout the machine, a controller, and a power extraction system within at least one of the nodes. Each of the nodes is …

DRIVE·Apr 7·1 min read

H02J50/001 Raytheon Technologies Corporation

SYSTEM AND METHOD FOR MONITORING FUEL ADDITIVES

A system for monitoring fuel additives on board a vehicle includes a fuel line carrying fuel from a fuel source to an engine; a fuel additive sensor configured to measure concentration of additives in…

DRIVE·Feb 24·1 min read

F02C3/30 Raytheon Technologies Corporation

AIRCRAFT FUEL SYSTEM WITH ELECTROCHEMICAL HYDROGEN COMPRESSOR

A propulsion system according to an exemplary embodiment of this disclosure, among other possible things includes a fuel storage tank that is configured to store a fuel in a compressed state, a power …

DRIVE·Oct 14·1 min read

B64D37/30 Raytheon Technologies Corporation

IN-SITU ELECTROLYTE PREPARATION IN FLOW BATTERY

A method of in-situ electrolyte preparation in a flow battery includes providing a vanadium-based electrolyte solution having vanadium ions of predominantly vanadium V to a first electrode and a secon…

DRIVE·Jun 3·1 min read

H01M10/446 Raytheon Technologies Corporation

LIMITED SWIVEL APPARATUS FOR A PASSENGER SEAT

The present disclosure provides a swivel stop comprising a rotating member, a first boss coupled to the rotating member and a second boss coupled to the rotating member, and a second plate having a fi…

DRIVE·Apr 8·1 min read

B64D11/0639 Raytheon Technologies Corporation

REGENERATION OF FLOW BATTERY

A redox flow battery includes a redox flow cell, a supply/storage system external of the redox flow cell, and a controller. The supply/storage system includes first and second electrolytes for circula…

DRIVE·Mar 18·1 min read

H01M8/188 Raytheon Technologies Corporation

AIRCRAFT ENGINE POWER-ASSIST START STABILITY CONTROL

A hybrid electric propulsion system includes a gas turbine engine having a low speed spool and a high speed spool. The low speed spool includes a low pressure compressor and a low pressure turbine, an…

DRIVE·Feb 18·1 min read

H02P9/08 Raytheon Technologies Corporation

OIL LEVEL SENSOR GUIDE

A fluid tank system comprises a fluid container that includes a sensor opening in a fluid container wall defined by a rim, and a fluid level sensor comprising a radial flange on a proximate end of a l…

DRIVE·Dec 24·2 min read

G01F23/60 Raytheon Technologies Corporation