#Bell Textron Inc.

Thermally Disconnecting High Power Busbars For Battery System Propagation Control

A battery system is described with methods and systems for thermally isolating a battery module experiencing thermal runaway. In one embodiment, a thermal actuator can cut a busbar coupling neighborin…

DRIVE·Jul 13·1 min read

H01M50/581 Bell Textron Inc.

BATTERY DISPLAYS FOR ELECTRIC ROTORCRAFT

There is disclosed in one example, one or more tangible, non-transitory computer-readable storage media having stored thereon machine-executable instructions to: receive battery data from at least one…

DRIVE·Jun 29·1 min read

B60L53/305 Bell Textron Inc.

PRELOAD CONTROL SYSTEM

A system includes a driver monitor system configured to receive information about driver operation, a relationship table comprising information about an expected relationship between driver operation …

DRIVE·Jun 8·1 min read

H02P6/06 Bell Textron Inc.

Fuel Cell Metallic Gas Diffusion Layer

In certain embodiments, an apparatus includes an electrolyte membrane layer (EML), and includes a first electrode catalyst layer (ECL) and a first metallic gas diffusion layer (MGDL) positioned to a f…

DRIVE·Apr 27·1 min read

H01M4/8621 Bell Textron Inc.

SHAPED AIRCRAFT FUEL CELLS, SYSTEMS AND METHODS FOR ENHANCED CRASHWORTHINESS

An aircraft, such as a rotorcraft, may have (an) area(s) designated to house (a) fuel cell(s) and (an) aircraft structure(s) that may translate, during a drop impact of the aircraft, into the area(s) …

DRIVE·Mar 30·1 min read

B64D37/32 Bell Textron Inc.

ESTIMATING AVAILABLE POWER FOR AN AIRCRAFT BATTERY

In an example, a computing apparatus includes a hardware platform, having a processor and a memory, and instructions encoded within the memory to instruct the processor to receive a peak power demand …

DRIVE·Feb 23·1 min read

B64D45/00 Bell Textron Inc.

Forming Battery Electrodes and Associated Battery

In certain embodiments, a method includes forming a battery electrode on a substrate. Forming the battery electrode on the substrate includes depositing a first electrode active material layer on a fi…

DRIVE·Jan 26·1 min read

H01M4/0426 Bell Textron Inc.

FUEL CELL CATHODE AIR PRESSURE MANAGEMENT SYSTEMS

A method of operating an aircraft includes providing a fuel cell system to power the aircraft, providing an airflow path through the fuel cell system, sensing a change mass air flow rate supplied to a…

DRIVE·Dec 8·1 min read

H01M8/04753 Bell Textron Inc.

LIGHTWEIGHT FUEL CELL STACK END PLATE

A method of constructing a fuel cell system includes providing an open cell structure to form a first end plate, filling at least part of the open cell structure with a stiffening material, disposing …

DRIVE·Nov 10·1 min read

H01M8/248 Bell Textron Inc.

THERMALLY EFFICIENT BATTERY CELL ASSEMBLY

A battery cell assembly, including a rolled cell formed from a first electrode and a second electrode rolled together about a longitudinal axis. The rolled cell includes a primary section in which the…

DRIVE·Nov 3·1 min read

H01M10/0431 Bell Textron Inc.

Redundant Electric Propulsion System

A propulsion system for providing propulsion of an aircraft includes a plurality of electric motors coupled with a rotor of the aircraft to drive the rotor and a propulsion motor control. The propulsi…

DRIVE·Aug 18·1 min read

B64D31/14 Bell Textron Inc.

Double Sided Battery Mounting Apparatus

A battery assembly for an aircraft includes a cold plate having an upper planar member, a lower planar member, and at least one fluid channel positioned between the upper and lower planar members and …

DRIVE·Aug 11·1 min read

H01M50/249 Bell Textron Inc.

Battery Cold Plate and Chassis with Interlocking Joints

A cold plate is couplable with a component for dissipating heat from a component. The cold plate includes a top plate coupled with a bottom plate to receive a cooling medium therebetween. The top plat…

DRIVE·Aug 11·1 min read

H01M10/6554 Bell Textron Inc.

Electric Aircraft Side Access Batteries and Single File Passenger Seating

An aircraft includes fuselage, a seat, and battery compartment. Fuselage extends along a longitudinal axis. Seat is configured to support a passenger. The battery compartment that includes a battery c…

DRIVE·Aug 4·1 min read

B64D27/24 Bell Textron Inc.

Fuel Cell Protection System

Embodiments are directed to a fuel cell protection system comprising an aircraft fuselage having an inner surface and an outer surface, an attachment point mounted on the outer surface, an aircraft fu…

DRIVE·Jul 7·1 min read

B60L50/72 Bell Textron Inc.

SUBMERSIBLE DRONE DELIVERY AND RECOVERY SYSTEM USING WATERPROOF AERIAL DRONE

A submersion system for a rotorcraft is described and includes a control module for controlling a depth to which the rotorcraft is submerged in a body of water; a compressed air chamber associated wit…

DRIVE·Apr 21·1 min read

B64C39/024 Bell Textron Inc.

REASONABLENESS MONITOR

A flight control computer (FCC) has an index calculation component (ICC) configured to compare a reasonableness of at least a first value of a variable and a second value of the variable. A method of …

DRIVE·Apr 14·1 min read

G08G5/0047 Bell Textron Inc.

SYSTEM AND METHOD FOR SUPPLYING PASSIVELY FILTERED RAM AIR TO A HYDROGEN FUEL CELL OF A UAV

An unmanned aerial vehicle (UAV) has an air-cooled fuel cell, an air channel comprising a forward facing opening for receiving ram air and connected to the air-cooled fuel cell, and a passive ram air …

DRIVE·Feb 10·1 min read

B64C7/02 Bell Textron Inc.

DISTRIBUTED BATTERY BANK FOR DUCTED-ROTOR AIRCRAFT

In an embodiment, a duct for a ducted-rotor aircraft includes a hub, the hub including a rotor and one or more motors configured to drive the rotor. The duct also includes a duct ring that defines an …

DRIVE·Dec 23·1 min read

B64D31/00 Bell Textron Inc.

PROBELESS AIRSPEED AND ANGLE OF ATTACK MEASUREMENTS FOR PROPELLER DRIVEN VEHICLES

An exemplary method to determine an airspeed and an angle of attack of a propeller powered vehicle includes determining the power delivered to the propeller, the air density, a propeller power coeffic…

DRIVE·Sep 2·1 min read

B64D43/02 Bell Textron Inc.

FLIGHT COMPUTER SYSTEMS & METHODS TO DETERMINE AIRSPEED

According to one implementation of the present disclosure, a method for determining airspeed for an unpowered vehicle is disclosed. The method includes: during flight, determining, by an accelerometer…

DRIVE·Feb 25·1 min read

G01P5/02 Bell Textron Inc.

TAKEOFF POWER BOOST

Embodiments are directed to boosting aircraft engine performance for takeoff and critical mission segments by reducing airflow used for cooling exhaust gases. The airflow is reduced by stopping an acc…

DRIVE·Jan 14·1 min read

F02D41/1448 Bell Textron Inc.