EP 2461040 B1 20160106 - Vacuum pump and joint of shaft and rotary piston
Title (en)
Vacuum pump and joint of shaft and rotary piston
Title (de)
Vakuumpumpe und Verbindung von Welle und Drehkolben
Title (fr)
Pompe à vide et la connexion de l'arbre avec le piston rotatif
Publication
Application
Priority
DE 102010051316 A 20101113
Abstract (en)
[origin: EP2461040A1] The vacuum pump (1) has shaft (4,6), and pistons (40,42,44,46,48,50) comprising a piston profile surface and a hole for receiving the shaft. A form-fitting element has one portion extended into the shaft recess and another portion located in the piston recess. A securing element fixes the form-fitting element and exerts pressing force on the form-fitting element.
IPC 8 full level
F04C 29/00 (2006.01); F04C 18/12 (2006.01); F04C 23/00 (2006.01); F04C 28/02 (2006.01)
CPC (source: EP)
F04C 18/126 (2013.01); F04C 23/001 (2013.01); F04C 28/02 (2013.01); F04C 29/0071 (2013.01)
Citation (examination)
DE 3689054 T2 19940203 - TOYOTA MOTOR CO LTD [JP]
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 2461040 A1 20120606; EP 2461040 B1 20160106; DE 102010051316 A1 20120516
DOCDB simple family (application)
EP 11008599 A 20111027; DE 102010051316 A 20101113