Pump with side surface coating

Details Pump with side surface coating Pump with side surface coating

2005-12-12

2011-11-29

Davis, Mary A (Department: 3748)

Rotary expansible chamber devices

Specific material

Reexamination Certificate

active

08066497

ABSTRACT:
In a preferred embodiment of the present invention, a positive-displacement pump, in particular a vane cell pump, having a pump element, in particular a rotor, which is situated within a contour ring and rotatable between two side surfaces where a limited coating is located on at least one of the side surfaces.

REFERENCES:
patent: 3359953 (1967-12-01), Groth
patent: 3705818 (1972-12-01), Grosseau
patent: 4067671 (1978-01-01), Goloff
patent: 4099490 (1978-07-01), Dobler
patent: 4549862 (1985-10-01), Stich et al.
patent: 4618318 (1986-10-01), Hansen
patent: 6152716 (2000-11-01), Agner
patent: 6250900 (2001-06-01), Gostomski
patent: 6402488 (2002-06-01), Watanabe et al.
patent: 6568928 (2003-05-01), Gennami et al.
patent: 6641380 (2003-11-01), Nied-Menninger et al.

Affiliated with

Also associated with

Rating

Pump with side surface coating does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4256354