Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...
Patent
1991-02-27
1992-09-08
Vrablik, John J.
Rotary expansible chamber devices
Unlike helical surfaces on relatively wobbling rotating...
418153, F04C 2107, F04C 500
Patent
active
051453428
ABSTRACT:
A stator for an eccentric spiral pump has a metallic casing, and an insert located inside the metallic casing. The insert is formed as a coating of a rubber-elastic material with a uniform layer thickness and has inner surface with a thread-like profile.
REFERENCES:
patent: 2527673 (1950-10-01), Byram
patent: 3499389 (1970-03-01), Seeberger et al.
Go-Anker GmbH
Striker Michael J.
Vrablik John J.
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