Global Patent Index - EP 2242931 A1

EP 2242931 A1 20101027 - CIRCULATION STRUCTURE FOR A TURBO COMPRESSOR

Title (en)

CIRCULATION STRUCTURE FOR A TURBO COMPRESSOR

Title (de)

ZIRKULATIONSSTRUKTUR FÜR EINEN TURBOVERDICHTER

Title (fr)

STRUCTURE D'ÉCOULEMENT POUR TURBOCOMPRESSEUR

Publication

EP 2242931 A1 20101027 (DE)

Application

EP 09711862 A 20090219

Priority

  • DE 2009000230 W 20090219
  • DE 102008010283 A 20080221

Abstract (en)

[origin: CA2716417A1] The invention relates to a circulation structure for a turbo compressor, in particular for a compressor of a gas turbine, comprising at least one annular chamber (26) that can be traversed in a circumferential direction, is concentric with a shaft of the turbo compressor in the region of the free blade ends of a blade ring (24) and radially borders a main flow channel (22). According to the invention, several chambers (27) that can be traversed in an axial direction are situated upstream of the or each annular chamber (26), when viewed from the main flow direction of the main flow channel (22).

IPC 8 full level

F04D 27/02 (2006.01); F04D 29/68 (2006.01)

CPC (source: EP US)

F04D 29/164 (2013.01 - US); F04D 29/526 (2013.01 - EP US); F04D 29/685 (2013.01 - EP US); F04D 29/321 (2013.01 - EP); Y10S 415/914 (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 MK MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA RS

DOCDB simple family (publication)

DE 102008010283 A1 20090827; CA 2716417 A1 20090827; CN 101946094 A 20110112; EP 2242931 A1 20101027; EP 2242931 B1 20161102; US 2010329852 A1 20101230; US 8915699 B2 20141223; WO 2009103278 A1 20090827

DOCDB simple family (application)

DE 102008010283 A 20080221; CA 2716417 A 20090219; CN 200980105069 A 20090219; DE 2009000230 W 20090219; EP 09711862 A 20090219; US 91876609 A 20090219