Power plants – Reaction motor – With destruction sensing and preventing means
Reexamination Certificate
2006-07-18
2006-07-18
Kim, Ted (Department: 3746)
Power plants
Reaction motor
With destruction sensing and preventing means
C415S009000
Reexamination Certificate
active
07076942
ABSTRACT:
A protective ring (4) for the fan blades (2, 3) of a gas turbine engine includes a material combination of metal bands and polymer-bonded fiber-weave layers interconnected in alternating arrangement. The protective ring thus formed, which is characterized by tough-elastic properties and low weight, can be used as a full containment (4′) with sufficiently large wall thickness or as a penetration containment (4″) with smaller wall thickness and with a trapping layer arranged on the outer circumference. As a full containment, the protective ring has impact-absorption capacity, as a penetration containment it prevents a further destruction of the broken-through protective ring.
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German Search Report dated Apr. 4, 2003.
Kim Ted
Klima Timothy J.
Rolls-Royce Deutschland Ltd & Co KG
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