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Helicopters
> A129
> AH-1Z
> AW139
> CH47
> CH60
> Future Lynx
> HH60
> MH60
> S-76
> SA-360/365
> Super Lynx
> UH60
extremely smart
> Thermal management and environmental control
Engineering value
Meggitt’s solutions to thermal management and
environmental control are based on leading control
technologies and proven components.
These extreme environment solutions are characterised by
low weight, low maintenance, long life and high reliability.
Meggitt’s engineers draw on one of the broadest ranges of
system equipment there is and work with customers during
the design phase and beyond, ensuring value throughout the
life of any program.
Meggitt in a Minute e-tour with enhanced thermal
management and environmental control content.
Also on www.meggitt.com
extremely smart
> Ice protection
100% more control. Up to 50% less power
That's because there's more control in our smart electrothermal
system than simple 'on' or 'off'.
We actively manage electrical power through proprietary
control algorithms.
Reacting to flight conditions, clever control logic
provides the right amount of power, in the right place,
at the right time.
Our solution includes integrating heated structures and
materials for wing leading edges, optimising electrothermal
transfer so we can find even more energy
savings—and reduce weight too.
Complete solutions for energy-conscious ice protection
> Ice modelling and analysis
> Controllers and control system algorithms
> Electrical power management design
> Integrated structures and materials
> Qualification, icing tunnel test, flight trial
and certification support
Meggitt’s energy-conscious ice protection uses up to 50 per cent less power than traditional
bleed air systems—and performs better.
After 50 years protecting aircraft with mission-critical ice
protection, we are uniquely experienced in the primary
technologies. We offer traditional bleed air and advanced
electro-thermal ice protection, giving our customers all
the options in an era of change.
Meggitt’s electro-thermal systems are operating
successfully on engine inlets, canards, tails and rotor
blades across a wide range of business jets, helicopters
and turboprop aircraft including the EH-101, NH-90, S-92
and V-22 and the Piaggio P180, Hawker 400 and Fokker 50.
Our latest electro-thermal solution with advanced smart
control is being trialled with industry-leading OEMs for
More and All-Electric fixed-wing platforms.
All the options in an era of change
extremely smart
> Fire protection and control
Pneumatic fire and overheat detector
For engines, main landing gear and auxiliary power
units. Hermetically-sealed, this gas pressuresensitive
pneumatic detector withstands very high
operating temperatures up to 427ºC and direct flame
exposure of 1082ºC and vibration levels up to 45 g.
It is inherently immune to false alarms. No
scheduled maintenance needed.
Optical smoke detector
Provides intelligent smoke and overheat detection
for luggage compartments with unprecedented
reliability and accuracy. High immunity to false
alarms caused by dust, insects and moisture.
Through-the-lens testing. No scheduled
maintenance.
Fire detection control unit
The heart of the fire detection and control system.
Communicates with the fire detectors and
converter modules by performing the fire
indication and fault logic while interfacing with the
flight warning computer, fire handle, extinguishing
squibs, bottle pressure switches and the central
maintenance computer.
Thermistor fire and overheat detector
A rugged, sensor cable for the engines, main
landing gear and auxiliary power unit that can
withstand repeated flame and mechanical stress
and allow any configuration down to a half-inch
bend radius. As the ambient temperature
increases, the cable resistance decreases. When it
drops to a predetermined value, the control unit
activates a cockpit alarm within five seconds of a
fire condition.
Bleed air leak detection system
The revolutionary sensor network based on
Meggitt’s proprietary chemistry. Pinpoints
catastrophic leaks in bleed air systems precisely,
activating flight deck alarms and enabling
mechanics to find affected areas fast. No
scheduled maintenance needed. Functions in
severe environments and tolerates extreme
bending, crimping and denting.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
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