Fri, May 11, 2007
High Performance Filter Features Barrier Filtration
Aerospace Filtration Systems, Inc. (AFS) told ANN this week the
company has received a Supplemental Type Certificate (STC) from
Transport Canada (TC) for an Inlet Barrier Filter (IBF) system for
Bell 205A1 helicopters.
The approvals clear the way for Canadian operators of Bell
205A1s to maximize engine protection while reaping performance and
maintenance benefits from proven technology. The system also can be
used by UH-1H operators and 205A1++ operators flying utility and
firefighting missions, AFS officials said.
The IBF system for Bell 205A1s features flat filter assemblies
and an integral bypass design. The filters can be replaced easily
without removal of any other components in just 15 minutes. An
integral maintenance aid allows for on-condition maintenance
between established cleaning intervals, eliminating unnecessary
service. No restrictions are imposed for flight in falling or
blowing snow or with visible moisture in non icing conditions. The
system is already being used in the harshest desert environments of
Afghanistan by the US Department of State on its UH-1H Huey
IIs.
Barrier filtration systems filter out more than 99 percent of
dirt and sand, offering enhanced engine performance when compared
to traditional particle separators, delivering more engine
temperature margin (thus more load-carrying capacity), and
providing a greater margin of safety. Barrier filter technology
applied to turbine engine inlets provides a substantial return on
investment (ROI) for operators, plus performance improvements on
many platforms. In most cases, turbine engine components are
life-limited parts, but seldom reach their design lives. With a
barrier filter installed, this expensive component is able to
survive multiple overhauls. The ROI for a barrier filter system is
easily attained within one engine overhaul cycle, even in a
relatively clean environment.
AFS manufactures high-performance engine IBF systems for
commercial and military propulsion systems. AFS manufactures
certified IBF solutions for the AgustaWestland A119 Koala, Bell
205A1, 206B, 407, 206L-3/4, 206L-1(C30), MD Helicopters MD 369 (MD
500H/D/E/F Series), and Eurocopter AS 350 B/BA/B1/B2/B3 (AS
350D/SD/SD2-Soloy STC). IBF systems for the Eurocopter EC 130, MD
900/902 Explorer and Bell 212/412 are in development, with US FAA
certification expected in 2007.
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