Rotary expansible chamber devices – Working chamber surface expressed mathematically
Patent
1989-10-02
1990-07-03
Koczo, Michael
Rotary expansible chamber devices
Working chamber surface expressed mathematically
418206, 418 15, F04C 1818
Patent
active
049386700
ABSTRACT:
A rotary fluid machine includes two intermeshing rotors rotatably mounted in a double-cylinder bore portion of a casing, each rotor having two lobe portions disposed on two opposite ends of a long coordinate axis of the rotor and having a waist portion confined by two shallow recess portions formed on two opposite sides of a short coordinate axis of the rotor so that one rotor can be smoothly rotatably engageable with the other rotor in a single-point contact for a smooth running of the two rotors. For a buffer of a higher output fluid pressure, a balancing chamber is formed between the bore portion and a fluid outlet so that a fluid suddenly increased with fluid pressure may be backflowed into the bore portion through a plurality of holes formed in a partition plate between the chamber and the bore portion for preventing water or air hammer when handling high-pressure fluid.
REFERENCES:
patent: 3056355 (1962-10-01), Brun
patent: 3089638 (1963-05-01), Rose
patent: 3105634 (1963-10-01), Hubrich
patent: 3371856 (1968-03-01), Thelen et al.
patent: 4455132 (1984-06-01), Messori
Koczo Michael
Makosy Douglas J.
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