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Federal-Mogul's electrical/electronics systems protection portfolio eliminates electromagnetic interference (EMI) issues

As aerospace manufacturers continue to develop aircrafts with significantly increased use of electronic controls and equipment, there is a growing need to ensure that the electrical/electronics architecture is protected against electromagnetic interference (EMI). Federal-Mogul Corporation (NASDAQ: FDML) is a leader in systems protection products for aerospace applications and has recently developed a new optimized EMI shielding protection range. EMI is the unintentional generation and reception of electromagnetic disturbances traveling through a circuit or wiring harness that can cause computer-controlled systems to power-up, power-down or create a variety of other unwanted effects. EMI can be solved using specially designed protective sleeves, thereby preventing the transmission and reception of the disturbance and its negative consequences.

"Federal-Mogul offers a complete range of electromagnetic shielding solutions that ensure EMI events do not adversely affect the function of device control systems or electronic actuators," said Jan Maiden, engineering and sales vice-president, Federal-Mogul Systems Protection. The company currently provides EMI shielding solutions to leading U.S. and European commercial aircraft manufacturers and believes this unique expertise is increasingly needed for current and future aerospace projects. "The electrical and electronic architectures of aircrafts must be properly engineered and that includes proper shielding against EMI," said Maiden.

Federal-Mogul's EMI shielding products feature a specially-designed self-wrapping construction made with a combination of metal wires and high-temperature polymers that can be easily installed on wire harnesses, while allowing the protected assembly to be re-opened for inspection and maintenance. The sleeving is available in a self-wrapping construction that can be installed during initial harness assembly or after complete systems are assembled, in the event that an EMI or lighting problem is detected and correction is required.

"EMI shielding performance is a function of metal content and metal coverage – the greater the metal content, the better the low-frequency shielding performance. However, increased metal content adds weight and doesn't necessarily shield well at higher frequencies," Maiden said. "High-frequency protection occurs when the metal completely covers the wire with a thin conductive layer, meaning there are no pinholes that allow the EMI to leak through. When woven into sleeves, the yarns achieve an optimized blend of metal content and coverage that is lightweight, flexible and durable," she continued.

Other shielding techniques, such as foil wrapping or full wire mesh over-braiding are also available in the marketplace, but can limit harness flexibility, accessibility and increase overall weight, according to Maiden.

Federal-Mogul EMI shielding products are engineered, designed and tested at the company's Systems Protection technical centers in Exton, Pa., USA and Crepy-en-Valois, France, and are sold under the Federal-Mogul and Bentley-Harris brand names.

For the aerospace industry, Federal-Mogul's Systems Protection division is a global leading supplier of protective sleeving and shielding solutions for wires, hoses and mechanical assemblies. Systems protection products bundle wires and protect against abrasion, fluids, heat, fire and EMI interferences.

Federal-Mogul also provides aerospace customers with solutions in wiper design, technology and manufacturing. The company's innovations provide enhanced safety and performance to the private, commercial and military markets it serves. Federal-Mogul supplies Federal Aviation Administration (FAA)-approved wiper products for original equipment, as well as for FAA-approved distributors and manufacturers.

Press release issued by Federal Mogul Systems Protection Group, on April 27, 2010


 Contact details from our directory:
Federal Mogul Systems Protection Group, Aircraft Structural Components, EMI/RFI Shielding


 Related directory sectors:
Structural Components
Non-Mechanical Components

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