F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
230/127
F01D 5/00 (2006.01) F04D 19/04 (2006.01) F04D 29/04 (2006.01)
Patent
CA 1300579
ABSTRACT OF THE DISCLOSURE A turbo-molecular vacuum pump has a high vacuum side and a fore vacuum side in the form of a molecular pump in which the rotor and stator are conical or frusto-conical, with the rotor surface having a helical groove and the axial bearing for the rotor being located at the real or imaginary apex of the rotor cone.
535012
Lotz Heinrich
Marks & Clerk
Pfeiffer (arthur) Vakuumtechnik Wetzlar Gmbh
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