Rotary expansible chamber devices – Multistage – Successive stages alternately produce work
Patent
1992-03-06
1993-11-02
Vrablik, John J.
Rotary expansible chamber devices
Multistage
Successive stages alternately produce work
73259, F01C 1100, F03C 202, F04C 1100, G01F 306
Patent
active
052579190
ABSTRACT:
A positive displacement fluid handling apparatus comprises a pair of cylindrical cavities with circular cylindrical walls connected to one another by a connecting flow passage and respectively open to an inlet and an outlet flow passages, wherein each of the two cylindrical cavities includes a hub coaxially and rotatably disposed therein and a vane radially extending from the hub to the circular cylindrical wall of the cylindrical cavity, and a hollow circular cylindrical shell encircling the hub disposed eccentrically therein tangentially to the cylindrical wall of the cylindrical cavity and rotatably about the central axis of the hollow circular cylindrical shell that includes an axially disposed slit engaged by the vane in a sliding relationship; wherein the rotating motions of the two hubs respectively included in the two cylindrical cavities are positively coupled to one another in such a way that the two vanes respectively included in the two cylindrical cavities revolve at the same speed and the radial edge of at least one of the two vanes slides on an unbroken portion of the circular cylindrical wall of the respective cylindrical cavity at all instances.
REFERENCES:
patent: 550328 (1895-11-01), Pukerud
patent: 698360 (1902-04-01), Book
patent: 2208177 (1940-07-01), Barrett
patent: 2370934 (1945-03-01), Brown
patent: 4499764 (1985-02-01), Fiorina et al.
patent: 5150612 (1992-09-01), Lew
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