Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...
Patent
1978-03-14
1980-07-08
Smith, Leonard E.
Rotary expansible chamber devices
Unlike helical surfaces on relatively wobbling rotating...
418 83, 418 91, 418149, F04C 106, F04C 2904
Patent
active
042115213
ABSTRACT:
The eccentric disc pump has a series of stator discs defining a series of axially interconnected pump stages each having a rotor disc mounted eccentrically on a common shaft extending within central cavities of the stator discs and angularly offset relative to the rotor disc of a preceding pump stage, adjacent stator and rotor discs being angularly offset one relative to the other at given angles of displacement and coupling means, e.g. rods, wedges and grooves or studs and recesses, respectively engaging each stator disc with that of an adjacent pump stage and positively locating such adjacent stator discs in positions, offset by a second angle one half of the first mentioned angular displacement between corresponding adjacent rotor discs whereby in each pump stage the cavity of the stator disc forms an enveloping curve for the path of the rotor disc rotatable therein.
REFERENCES:
patent: 2902935 (1959-09-01), Dinnison et al.
patent: 3512904 (1970-05-01), Allen
patent: 3912426 (1975-10-01), Tschirky
patent: 3975121 (1976-08-01), Tschirky
Fordertechnik Streicher GmbH
Smith Leonard E.
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