EP 3650702 B1 20200916 - USE OF A SYNTHETIC OIL IN A VACUUM PUMP AND VACUUM PUMP
Title (en)
USE OF A SYNTHETIC OIL IN A VACUUM PUMP AND VACUUM PUMP
Title (de)
VERWENDUNG EINES SYNTHETISCHEN ÖLS IN EINER VAKUUMPUMPE UND VAKUUMPUMPE
Title (fr)
UTILISATION D'UNE HUILE SYNTHÉTIQUE DANS UNE POMPE À VIDE ET POMPE À VIDE
Publication
Application
Priority
EP 18205646 A 20181112
Abstract (en)
[origin: JP2020097925A] To provide a vacuum pump, in particular, a turbo molecular pump capable of transporting a sufficient amount of a synthetic oil for lubricating a rotation supporting portion, not requiring additional installation of an oil pump, improving performance, and not significantly increasing costs.SOLUTION: A synthetic oil having a kinematic viscosity in a range of 4.5-6.5 mm/s at 100°C is used as a working medium of a vacuum pump, the vacuum pump has a working medium storage portion for storing the synthetic oil, and a rotation supporting portion of the vacuum pump is lubricated by the synthetic oil by supplying the synthetic oil to the rotation supporting portion.SELECTED DRAWING: Figure 1
IPC 8 full level
F04D 19/04 (2006.01); F04D 29/063 (2006.01)
CPC (source: EP)
F04D 19/04 (2013.01); F04D 19/042 (2013.01); F04D 29/063 (2013.01)
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 3650702 A1 20200513; EP 3650702 B1 20200916; JP 2020097925 A 20200625; JP 6924244 B2 20210825
DOCDB simple family (application)
EP 18205646 A 20181112; JP 2019191683 A 20191021