Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1977-12-21
1979-04-10
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277DIG6, 415172A, 415174, 428559, 75244, F01D 1108, F01D 520, F16J 1544
Patent
active
041484940
ABSTRACT:
A rotary labyrinth gas seal between a rotating member and a stationary member, one of which includes at least one seal tooth projecting toward a surface of the other member is improved through the provision of an abrasive tip on the projecting tooth. Such abrasive tip comprises an electrodeposited metal matrix which entraps a plurality of abrasive particles protruding from the tip, the thickness of the matrix being less than the longest dimension of the abrasive particles protruding from the tip.
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patent: 3339933 (1967-09-01), Foster
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patent: 3481715 (1969-12-01), Whalen et al.
patent: 3537713 (1970-11-01), Matthews et al.
patent: 3846899 (1974-11-01), Gross
patent: 3964877 (1976-06-01), Bessen et al.
patent: 3975165 (1976-08-01), Elbert et al.
Fairbanks Norman P.
Maegly Robert E.
Zelahy John W.
General Electric Company
Lawrence Derek P.
Sachs Lee H.
Ward, Jr. Robert S.
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