EP 3698047 A1 20200826 - SCREW ROTOR
Title (en)
SCREW ROTOR
Title (de)
SCHRAUBENROTOR
Title (fr)
ROTOR À VIS
Publication
Application
Priority
- DE 202017005336 U 20171017
- EP 2018077471 W 20181009
Abstract (en)
[origin: WO2019076684A1] The invention relates to a screw rotor for screw vacuum pumps, comprising a rotor shaft (10) which bears at least two displacement elements (12, 14). The displacement element (12) is conical in the conveying direction (22) and the adjoining conveying element (14) has a cylindrical design.
IPC 8 full level
F04C 2/16 (2006.01); F04C 18/16 (2006.01)
CPC (source: EP KR US)
F04C 2/16 (2013.01 - EP KR US); F04C 18/16 (2013.01 - EP KR US); F04C 23/001 (2013.01 - US); F04C 2240/20 (2013.01 - KR); F04C 2240/60 (2013.01 - KR); F04C 2250/201 (2013.01 - US); F05B 2210/10 (2013.01 - KR)
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 202017005336 U1 20190121; CN 111247341 A 20200605; EP 3698047 A1 20200826; EP 3698047 B1 20240626; JP 2020537084 A 20201217; KR 20200067143 A 20200611; US 2020325897 A1 20201015; WO 2019076684 A1 20190425
DOCDB simple family (application)
DE 202017005336 U 20171017; CN 201880065630 A 20181009; EP 18785346 A 20181009; EP 2018077471 W 20181009; JP 2020521407 A 20181009; KR 20207010079 A 20181009; US 201816756644 A 20181009