Vacuum pump

Details Vacuum pump Vacuum pump

1989-06-21

1990-05-29

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including heat insulation or exchange means

415 90, F01D 508

Patent

active

049291513

ABSTRACT:
A molecular or turbomolecular type of pump comprising a stator (2) and a rotor (3) rotated by a motor (7), the stator having a first zone overlying the rotor and in which gas is admitted, and a second zone adjacent to the drive motor and cooled by a flow of fluid (8), the pump being characterized in that the first zone is provided with heater (12) for maintaining the temperature of the first zone above the condensation threshold of the gas being admitted, with the first and second zones being separated from each other by a thermal impedance element (13).

REFERENCES:
patent: 4797062 (1989-01-01), Deters et al.
patent: 4804313 (1989-02-01), Nasvytis
European Patent No. 197,238, Nov. 1986.

Affiliated with

Also associated with

Rating

Vacuum pump does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vacuum pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vacuum pump will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-517972