Global Patent Index - EP 0883749 B1

EP 0883749 B1 20011205 - COMPRESSOR

Title (en)

COMPRESSOR

Title (de)

KOMPRESSOR

Title (fr)

COMPRESSEUR

Publication

EP 0883749 B1 20011205 (EN)

Application

EP 97902446 A 19970131

Priority

  • GB 9700292 W 19970131
  • GB 9602126 A 19960202

Abstract (en)

[origin: WO9728372A1] A compressor comprising a rotatable shaft (10), drive means (1) for rotating the shaft and one or more impeller rotor stages (15, 16) mounted on the shaft, wherein the rotatable shaft (10) and rotor stages (15, 16) are hollow and means (22, 23, 12) are provided to allow a coolant fluid to flow axially through them to cool the rotor and compressor in operation if needed. A hollow tie bolt (12) is mounted through the shaft and rotors and the coolant (e.g. water) is flowed through the tie bolt (12).

IPC 1-7

F04D 29/58; F04D 29/04; F04D 25/06

IPC 8 full level

F04D 25/06 (2006.01); F04D 29/04 (2006.01); F04D 29/056 (2006.01); F04D 29/057 (2006.01); F04D 29/58 (2006.01)

CPC (source: EP)

F04D 25/0606 (2013.01); F04D 29/0566 (2013.01); F04D 29/057 (2013.01); F04D 29/582 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 9728372 A1 19970807; AT E210246 T1 20011215; AU 1609197 A 19970822; DE 69708850 D1 20020117; DE 69708850 T2 20020718; EP 0883749 A1 19981216; EP 0883749 B1 20011205; GB 9602126 D0 19960403

DOCDB simple family (application)

GB 9700292 W 19970131; AT 97902446 T 19970131; AU 1609197 A 19970131; DE 69708850 T 19970131; EP 97902446 A 19970131; GB 9602126 A 19960202