EP 1722104 A3 20140101 - Rotors for a screw compressor
Title (en)
Rotors for a screw compressor
Title (de)
Rotorpaar für Schraubenverdichter
Title (fr)
Rotors pour un compresseur à vis
Publication
Application
Priority
DE 102005022470 A 20050514
Abstract (en)
[origin: EP1722104A2] The rotor pair has a screw profile, whose profile type is different at the two points, interspaced axially along the rotors (1,2). The profile types, adjusted to the respective pressure range, constantly merge into one another.
IPC 8 full level
F04C 18/16 (2006.01); F04C 18/08 (2006.01); F04C 25/02 (2006.01)
CPC (source: EP)
F04C 18/084 (2013.01); F04C 18/16 (2013.01); F04C 25/02 (2013.01); F04C 2220/12 (2013.01); F04C 2230/91 (2013.01)
Citation (search report)
- [XI] WO 02103205 A1 20021227 - STEFFENS RALF [DE]
- [X] WO 02057044 A1 20020725 - STEFFENS RALF [DE]
- [X] US 2003152475 A1 20030814 - BECHER ULRICH F [CH]
- [XD] DE 19941787 A1 20010308 - LEYBOLD VAKUUM GMBH [DE]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1722104 A2 20061115; EP 1722104 A3 20140101; EP 1722104 B1 20160413; DE 102005022470 A1 20061116; DE 102005022470 B4 20150402
DOCDB simple family (application)
EP 06008149 A 20060420; DE 102005022470 A 20050514