Compact vacuum pump

Details Compact vacuum pump Compact vacuum pump

1999-05-12

2000-12-12

Thorpe, Timothy S.

Pumps

Motor driven

Electric or magnetic motor

F04B 1700

Patent

active

061589861

ABSTRACT:
A vacuum pump (11) comprises a body (1), a rotor member (9) having a plurality of rotor disks (12) coupled to corresponding plurality of stator rings integral to the body (1). The rotor, member has an axial bell-shaped cavity (13). A rotating shaft (15) and an electric motor (7, 8) are disposed within the axial bell-shaped cavity (13). The rotating shaft (15) is supported by rotation supporting means (5a, 5b). The electric motor comprises a stator (7) integral to the body (1) of the vacuum pump (11) and a rotor (8) coupled to the internal surface of the axial bell-shaped cavity (13) of the rotor member (9).

REFERENCES:
patent: 5069603 (1991-12-01), Schuetz
patent: 5165872 (1992-11-01), Fleischmann et al.
patent: 5547338 (1996-08-01), Conrad et al.
U.S. application No. 09/275,732, Hablanian, filed Mar. 24, 1999.

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