Types of ice protection systems

Pneumatic deicing boots

Thermal

Electrical heating elements

ThermaWing

Turbine engine drain air

Electro-mechanical

Weeping Wing

Electro-Mechanical Expulsion Deicing Arrangement (EMEDS)

Hybrid Electro-Mechanical Expulsion Deicing System

Passive (cover arrangement mainly acclimated in the telecoms and adopted domains)

Anti icing cover

The aeriform cossack is a elastic accessory absorbed to a wing's arch edge, invented by the Goodrich Corporation (previously accepted as B.F. Goodrich) in 1923. Portions of the cossack are alternately aggrandized and abandoned to breach ice off the boot, de-icing the wing. Elastic boots are acclimated on jets and ballista apprenticed aircraft.

The Thermawing, bogus by Kelly Aerospace Thermal Systems, is an electrical ice aegis system. ThermaWing uses a flexible, electrically conductive, graphite antithesis absorbed to a wing's arch edge. Electric heaters are usually adjustable abundant to use as anti-icers or de-icers. Once activated an exact absorption of calefaction melts the band amid ice and adequate surface. Ice no best sticks to the apparent due to aerodynamic forces. As an anti-icer, the boiler keeps the apparent balmy so that ice does not form.

A drain air arrangement is acclimated by a lot of beyond jet aircraft to accrue flight surfaces aloft the freezing temperature appropriate for ice to accrue (called anti-icing). The hot air is "bled" off the jet engine into tubes baffled through wings, appendage surfaces, and engine inlets.

Electro-mechanical Expulsion Deicing Systems (EMEDS) use a automated force to beating the ice off the flight surface. Typically, actuators are installed beneath the derma of the structure. The actuator is confused to abet a shock beachcomber in the adequate apparent to dislodge the ice. Cox and Company, Inc. of Plainview, NY developed a ablaze weight, low ability arrangement alleged EMEDS that is the aboriginal ice aegis technology to accept FAA acceptance in 50 years, and is currently in-service on assorted bartering aircraft (FAA Part 23 and Part 25)1 2 3 and aggressive aircraft.4 Avant-garde Dynamics in Ithaca, NY has developed a arrangement that's ablaze weight and low ability application actuators alleged EIDI.

Hybrid Electro-Mechanical Expulsion Deicing Systems amalgamate an EMEDS de-icer with an electrical heating aspect anti-icer. The boiler prevents ice accession on the arch bend of the airfoil and the actuators of the EMED arrangement abolish ice that accumulates aft of the acrimonious allocation of the airfoil.5 Cox and Company, Inc. of Plainview, NY has developed assorted versions of Hybrid EMED systems referred to as Thermo-Mechanical Expulsion Deicing Arrangement (TMEDS).

A complaining addition system, aswell accepted as a TKS (Tecalemit-Kilfrost-Sheepbridge Stokes) 1 system, uses a aqueous based on ethylene glycol to covering the apparent and anticipate ice from accumulating. The arch edges of the wings, accumbent and vertical balance are fabricated of porous, laser-drilled titanium panels, through which the aqueous is pumped during flight in icing conditions. A "slinger ring" may be acclimated to deliver aqueous on propellers, and a aerosol bar can be acclimated to administer aqueous to the windshield. This arrangement is frequently acclimated on small-to-medium-sized propeller-driven aircraft, and a amount of business jet aircraft. It aswell has some applications in aggressive use.

The Passive systems are a new conceptual non-thermal anti-icing and abuse band-aid based on textile. This avant-garde bolt has the backdrop characterized by a top akin of baptize attrition which has a accustomed self-cleaning aftereffect to repel water, thereby eliminating the body of ice, with a top attrition to UV radiation and acrid acute altitude and has a abiding careful function.