Rotary vane pump

Details Rotary vane pump Rotary vane pump

2008-07-01

2008-07-01

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Positively actuated vane

C418S148000, C418S149000, C418S268000

Reexamination Certificate

active

07393192

ABSTRACT:
A rotary vane pump (200) for pumping a fluid. The rotary vane pump includes a pump housing (206and208) and a rotor having a plurality of dividing members (232) and a plurality of slots (226) disposed between adjacent dividing members. The rotary vane pump also includes a plurality of strengthening members (240), each strengthening member disposed in one of the plurality of slots and coupled to adjacent dividing members. The rotary vane pump also includes a plurality of vanes (224), each vane moveably disposed in one of the plurality of slots.

REFERENCES:
patent: 771593 (1904-10-01), Welsh
patent: 2525619 (1950-10-01), Roth et al.
patent: 2753809 (1956-07-01), Garrison
patent: 3249777 (1966-05-01), Congdon et al.
patent: 3452724 (1969-07-01), Marszal
patent: 5037283 (1991-08-01), Kapur et al.
patent: 5470215 (1995-11-01), Stone
patent: 5791888 (1998-08-01), Smith
patent: 6776136 (2004-08-01), Kazempour

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