Rotary expansible chamber devices – With plural working fluid inlet or outlet passages
Patent
1981-12-17
1984-08-21
Vrablik, John J.
Rotary expansible chamber devices
With plural working fluid inlet or outlet passages
418257, F01C 100, F01C 2112
Patent
active
044667833
ABSTRACT:
A hollow housing is provided having opposite ends and defining a cavity within the housing including two slightly greater than one-half cylindrical portions opening toward and into each other and defining a pair of opposite lobes projecting inwardly of opposite sides of the cavity. The opposite ends of the housing are closed by spaced apart end walls between which the cavity is defined and a cylindrical rotor is journalled in the cavity for rotation about an axis at least substantially lying upon a straight line extending between the lobes and with the axis spaced equal distances from the lobes substantially equaling the radius of curvature of the rotor. The rotor has a central cavity therein spaced inward of the outer periphery of the rotor and three substantially equally angularly spaced and generally radial slots are formed in the rotor and extend axially therethrough with the inner ends of the slots opening into the cavity. Three vanes are slidably received in the slots and have their inner ends projecting into the cavity and a cylindrical ring is loosely disposed in the cavity and loosely engages the inner ends of the vanes. Suitable fluid intake ports are disposed on the departure sides of the lobes and fluid exhaust ports disposed on the approach sides of the lobes with external valving being provided to convert the intake ports into outlet ports and the outlet ports into intake ports.
REFERENCES:
patent: 280027 (1883-06-01), Garcelon et al.
patent: 295704 (1884-03-01), Wiles
patent: 549602 (1895-11-01), Harding
patent: 2565077 (1951-08-01), Holl
patent: 2569185 (1951-09-01), McKibben et al.
patent: 3167023 (1965-01-01), Scognamillo
patent: 3909158 (1975-09-01), Martin
Jacobson Harvey B.
Vrablik John J.
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