F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 25/18 (2006.01) F01D 25/16 (2006.01) F02C 7/06 (2006.01)
Patent
CA 2412906
A drainage system for gas turbine supporting cushions or bearings, in particular for the second supporting bearing, consisting of a central shaft (20), surrounded by a series of supporting studs (21), which result, in their turn, with connection to a container housing (22) for studs (21), a sleeve (23) for containing the second supporting bearing of the turbine and a series of pipes (24, 25), respectively for the entry and drainage of the lubrication and cooling oil; the system consists of, in addition, a series of lateral seals (26), provided in positions facing the second supporting bearing, which create a pressure difference which permits the oil to pass under pressure within the drainpipes (25) at a well sustained speed.
L'invention concerne un système de drainage pour amortisseurs ou paliers d'une turbine à gaz, en particulier pour le second palier, qui comporte un arbre central (20) entouré par une série de goujons de support (21) qui se terminent eux-mêmes par une liaison avec un logement (22) pour goujons (21), une douille (23), destinée à contenir le second palier de la turbine, et une série de tuyaux (24, 25), servant respectivement à l'entrée et au drainage de l'huile de lubrification et de refroidissement. Ledit système comprend en outre une série de joints latéraux (26), situés en des emplacements faisant face au second palier, qui créent un différentiel de pression qui permet à l'huile de passer sous pression dans les tuyaux de drainage (25) à une vitesse très élevée.
Frosini Franco
Signori Andrea
Craig Wilson And Company
Nuovo Pignone Holding S.p.a.
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