EP 0222262 B1 19900718 - SEALING ARRANGEMENT FOR A TURBO PUMP
Title (en)
SEALING ARRANGEMENT FOR A TURBO PUMP
Publication
Application
Priority
FR 8516595 A 19851108
Abstract (en)
[origin: US4744721A] A turbopump sealing device is mounted in a case concentric with the rotary shaft between the turbine and the pump, the case defining a cavity for pressurizing gas, defined on the turbine side by a bearing ring which is integral therewith, in contact with a first floating ring secured against rotation and, on the pump side, by an applied shell one face of which is in contact with a second floating ring secured against rotation, itself bearing on a friction ring integral with the shaft, such rings being mounted on a socket concentric with the shaft, the shell being further connected to the cavity by a bellows.
IPC 1-7
IPC 8 full level
F16J 15/34 (2006.01); F02K 9/48 (2006.01); F04D 13/04 (2006.01); F04D 29/12 (2006.01)
CPC (source: EP US)
F04D 29/128 (2013.01 - EP US)
Designated contracting state (EPC)
DE GB IT
DOCDB simple family (publication)
EP 0222262 A1 19870520; EP 0222262 B1 19900718; DE 3672750 D1 19900823; FR 2589955 A1 19870515; FR 2589955 B1 19891208; JP S62182499 A 19870810; US 4744721 A 19880517
DOCDB simple family (application)
EP 86115043 A 19861029; DE 3672750 T 19861029; FR 8516595 A 19851108; JP 26485886 A 19861106; US 92456386 A 19861028