Molecular drag pump

Details Molecular drag pump Molecular drag pump

1996-06-14

1999-04-20

Kwon, John

Rotary kinetic fluid motors or pumps

Smooth runner surface for working fluid frictional contact

415229, F01D 136

Patent

active

058952020

ABSTRACT:
A molecular drag pump including a stator and a rotor supported in the stator using two ball bearings at least one of which presses against at least one bearing surface of the stator serving as an axial abutment for the rotor, wherein the contact between the ball bearing and the bearing surface operates in bending and not in shear.

REFERENCES:
patent: 4893985 (1990-01-01), Holss

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