EP 4043733 B1 20240327 - VACUUM PUMP WITH SEPARATELY CONTROLLABLE FANS
Title (en)
VACUUM PUMP WITH SEPARATELY CONTROLLABLE FANS
Title (de)
VAKUUMPUMPE MIT SEPARAT ANSTEUERBAREN LÜFTERN
Title (fr)
POMPE À VIDE AVEC VENTILATEURS COMMANDABLES SÉPARÉMENT
Publication
Application
Priority
EP 22179625 A 20220617
Abstract (en)
[origin: JP2023184405A] To provide an idea of a fan for a vacuum pump, especially for a rotary vane vacuum pump, which includes: at least one pump stage 56 capable of reducing time and effort for maintenance of a vacuum pump, at that time, contributing to cooling of the vacuum pump independently from pump operation; and a first electric motor 50 connected to the pump stage to drive it.SOLUTION: A vacuum pump includes at least one fan 66 for cooling the vacuum pump which is driven by a second electric motor 68.SELECTED DRAWING: Figure 4
IPC 8 full level
F04C 25/02 (2006.01); F01C 21/00 (2006.01); F04C 18/344 (2006.01); F04C 29/00 (2006.01); F04C 29/04 (2006.01)
CPC (source: EP KR)
F01C 21/007 (2013.01 - EP); F04C 11/005 (2013.01 - KR); F04C 18/344 (2013.01 - KR); F04C 23/02 (2013.01 - KR); F04C 25/02 (2013.01 - EP KR); F04C 29/005 (2013.01 - EP); F04C 29/0085 (2013.01 - EP KR); F04C 29/04 (2013.01 - EP KR); F04C 29/06 (2013.01 - KR); F04D 25/166 (2013.01 - KR); F04D 29/053 (2013.01 - KR); F04C 18/344 (2013.01 - EP); F04C 2220/10 (2013.01 - KR); F04C 2240/40 (2013.01 - EP); F04C 2240/402 (2013.01 - EP); F04C 2240/60 (2013.01 - EP); F04C 2240/808 (2013.01 - EP); F04C 2270/86 (2013.01 - EP)
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
DOCDB simple family (publication)
EP 4043733 A2 20220817; EP 4043733 A3 20230104; EP 4043733 B1 20240327; JP 2023184405 A 20231228; JP 7450015 B2 20240314; KR 20230173574 A 20231227
DOCDB simple family (application)
EP 22179625 A 20220617; JP 2022211122 A 20221228; KR 20230010929 A 20230127