SEALING DEVICE FOR TURBOMACHINE Russian patent published in 2019 - IPC F01D11/02 

Abstract RU 2688074 C2

FIELD: machine building.

SUBSTANCE: described is sealing device (1) for separation of first compartment (3) from second compartment (5) in turbomachine, wherein wet gas flows in first compartment. Sealing device contains rotating component (7) and fixed component (11). Sealing element (15T) is located between rotating and fixed components. Device additionally comprises ring trap (21) of inclusions contained in wet gas, and oil-spraying element (13) installed on rotating component (7) with possibility of joint rotation with it. Oil-spraying element is surrounded by the above ring trap of inclusions, so that the said inclusions contacting with the oil-spraying element are thrown into the said trap under action of centrifugal force.

EFFECT: invention is aimed at improving the efficiency of sealing provided by such devices.

15 cl, 6 dwg

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RU 2 688 074 C2

Authors

Bertoneri Matteo

Rizzo Emanuele

Tavernari Mirco

Dates

2019-05-17Published

2015-05-28Filed