Fan cooled seal seat

Seal for a joint or juncture – Seal between relatively movable parts – Close proximity seal

Reexamination Certificate

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Details

C277S423000, C415S113000, C415S174300, C417S423110

Reexamination Certificate

active

07108266

ABSTRACT:
A seal assembly including a rotatable seal head subassembly also includes a fan that rotates with the seal head assembly, with the fan drawing air through a pump housing for purposes of cooling.

REFERENCES:
patent: 3088416 (1963-05-01), Danis
patent: 4129402 (1978-12-01), Eberhardt
patent: 4172310 (1979-10-01), Mincuzzi
patent: 4224899 (1980-09-01), Cruchelow et al.
patent: 4746269 (1988-05-01), Raab
patent: 5123660 (1992-06-01), Dahlheimer et al.
patent: 5624245 (1997-04-01), DeClerck et al.
patent: 5636848 (1997-06-01), Hager et al.
patent: 5718436 (1998-02-01), Dunford
patent: 5911565 (1999-06-01), Mann et al.

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