Rotary expansible chamber devices – With wear surface treatment or integrally plated wear layer
Patent
1994-03-22
1996-03-05
Gluck, Richard E.
Rotary expansible chamber devices
With wear surface treatment or integrally plated wear layer
F01C 2100
Patent
active
054961599
ABSTRACT:
A rotary displacement pump including an external member or housing having inlet and outlet channels and a cavity. The pump also includes an internal member or housing having a shell with an inlet opening and an outlet opening therein, the shell being received in the cavity so that the inlet opening and the outlet opening is aligned with the inlet and outlet channels. Further included is a fluid drive member received within the shell for moving fluid from the inlet to outlet channels. The inlet opening and the outlet opening in the shell define fluid flow transition regions.
REFERENCES:
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patent: 4229147 (1980-10-01), Linder et al.
patent: 4640125 (1987-02-01), Carpenter
patent: 4770616 (1988-09-01), Kahrs
patent: 5096390 (1992-03-01), Sevrain et al.
patent: 5144802 (1992-09-01), Ruzic
patent: 5160252 (1992-11-01), Edwards
Little, Jr., C. W. Rotary Pumps. In: Karassik, I. J., Krutzsch, W. C., Fraser, J. P. and Messina, J. P., Editors, Pump Handbook. New Jersey; McGraw-Hill Book Company, pp. 3-70 through 3-99.
Gluck Richard E.
Xerox Corporation
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