Rotary kinetic fluid motors or pumps – With lubricating – sealing – packing or bearing means having... – For shaft sealing – packing – lubricating or bearing means
Reexamination Certificate
2005-11-29
2005-11-29
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
With lubricating, sealing, packing or bearing means having...
For shaft sealing, packing, lubricating or bearing means
C415S168200
Reexamination Certificate
active
06969229
ABSTRACT:
A sealing system (10) which ensures the safe operation of very high pressure centrifugal compressors which process lethal gases. The system comprises sealing means (18, 19) separated by an annular chamber (12), and a discharge line (32) for collecting and eliminating any gases that may be released.
REFERENCES:
patent: 2002/0031437 (2002-03-01), Jean
Beccaluva Riccardo
Mantellassi Stefano
Pumo Antonio
Edgar Richard A.
Look Edward K.
Nixon & Vanderhye P.C.
Nuovo Pignone Holding S.p.A.
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