Global Patent Index - EP 2250376 B1

EP 2250376 B1 20190403 - TURBO ENGINE WITH IMPROVED COMPENSATING PISTON GASKET

Title (en)

TURBO ENGINE WITH IMPROVED COMPENSATING PISTON GASKET

Title (de)

STRÖMUNGSMASCHINE MIT VERBESSERTER AUSGLEICHSKOLBENDICHTUNG

Title (fr)

TURBOMACHINE AVEC JOINT DE PISTON D'ÉQUILIBRAGE AMÉLIORÉ

Publication

EP 2250376 B1 20190403 (DE)

Application

EP 08873320 A 20081103

Priority

  • EP 2008009253 W 20081103
  • DE 102008013433 A 20080310

Abstract (en)

[origin: WO2009112064A1] A turbo engine comprises: An outer housing (2) with an inner housing (6) arranged therein, in particular a guide vane carrier with an impeller shaft (10) arranged therein; a cover (4; 8) which is attached to the outer housing (2) and which separates an inlet pressure (p1) in the interior of the outer housing (2) from an ambient pressure (pu) outside of the outer housing; and a compensating piston gasket (22) for contactless sealing of an outlet pressure (p2) in a working chamber defined between the impeller shaft (10) and the inner housing (6), in particular a compression chamber (16), against the inlet pressure (p1), wherein the compensating piston gasket (22) is attached to the cover (4; 8).

IPC 8 full level

F04D 17/12 (2006.01); F04D 29/051 (2006.01); F04D 29/42 (2006.01)

CPC (source: EP US)

F04D 17/125 (2013.01 - EP US); F04D 29/0516 (2013.01 - EP US); F04D 29/4206 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

DE 102008013433 A1 20090917; CN 101970882 A 20110209; CN 101970882 B 20140625; EP 2250376 A1 20101117; EP 2250376 B1 20190403; JP 2011513644 A 20110428; JP 5425108 B2 20140226; RU 2443909 C1 20120227; US 2010322765 A1 20101223; US 9494165 B2 20161115; WO 2009112064 A1 20090917

DOCDB simple family (application)

DE 102008013433 A 20080310; CN 200880128098 A 20081103; EP 08873320 A 20081103; EP 2008009253 W 20081103; JP 2010550036 A 20081103; RU 2010141550 A 20081103; US 86683008 A 20081103