Contact seal for turbomachines running at high speed and/or havi

Details Contact seal for turbomachines running at high speed and/or havi Contact seal for turbomachines running at high speed and/or havi

1996-11-01

1998-04-28

Verdier, Christopher

Rotary kinetic fluid motors or pumps

With lubricating, sealing, packing or bearing means having...

For shaft sealing, packing, lubricating or bearing means

4151701, 4151742, 277935D, 277 961, 277 962, 277166, F01D 1100

Patent

active

057437076

ABSTRACT:
A contact seal for turboengines is disclosed which is suitable for high circumferential speeds and high temperatures. The contact seal is of at least a two-part design and includes a thin carrier ring and a sealing ring. The sealing ring is constructed from a wear, oil, and heat resistant material, while the carrier ring includes an elastic material which is completely reversible even under high loads, and preferably is constructed of spring steel. The carrier ring has an inner fastening pan and an outer carrying part. The carrying part is positively connected to the sealing ring. The carrying part is designed to be inclined in the direction of the sealing face.

REFERENCES:
patent: 2274234 (1942-02-01), Ekkebus et al.
patent: 2736584 (1956-02-01), Riesing
patent: 3306223 (1967-02-01), Liebig
patent: 4576386 (1986-03-01), Benson et al.
patent: 4858516 (1989-08-01), Klein
patent: 5218816 (1993-06-01), Plemmons et al.
patent: 5233824 (1993-08-01), Clevenger
"Werkstoffe", Busak & Luyken, 1991.

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