Abradable seal

Details Abradable seal Abradable seal

F - Mech Eng,Light,Heat,Weapons

16

J

277/71

F16J 15/00 (2006.01) F01D 11/12 (2006.01) F16J 15/44 (2006.01)

Patent

CA 1228615

ABRADABLE SEAL ABSTRACT OF THE DISCLOSURE An abradable seal member, which can be a component of a rotary seal in juxtaposition with another member, includes a non-metallic abradable material comprising a halogenated hydrocarbon, for example Teflon material. Such a material, which preferably is porous, has a solids content of at least about 40 weight %, a heat of combustion no more than about 4000 BTU per pound, the halogenated hydrocarbon being at least about 60 weight % halogen.

434517

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