F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 7/28 (2006.01) F16J 15/34 (2006.01) F16J 15/44 (2006.01)
Patent
CA 2279558
The seal is composed of butt-jointed segments (1) in which the bearing surface (18) on a rotating part (2) subject to wear, includes a hollow chamber (20) communicating through calibrated orifices (22) with a high pressure containment (8). Therefore, it fills up with gas which tends to force it away from the surface, thus reducing the contact pressure without introducing excessive leaks. Figure 2.
Goudreau Gage Dubuc
Snecma
Societe Nationale D'etude Et de Construction de Moteurs D'aviati
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