Bearing arrangement for rotary piston engine for compressing and

Details Bearing arrangement for rotary piston engine for compressing and Bearing arrangement for rotary piston engine for compressing and

1974-12-19

1976-06-15

Husar, C. J.

Rotary expansible chamber devices

With supply or exhaust passage in working member

Supply or exhaust passage through working member center of...

418206, 308201, 308217, F04C 1710, F16C 3338, F16C 3346

Patent

active

039633900

ABSTRACT:
A bearing arrangement advantageous for rotary piston engine for compressing r expanding gases, which comprises a housing formed of two cylindrical partial cups of two equal sized hollow bodies, said cups facing each other along longitudinal openings. In said housing there are provided two shafts of equal pitch diameter, which shafts are rotatable about the central axis of one of said two hollow bodies and mesh with each other. Between each one of the shafts and the inner surface of the hollow body surrounding the pertaining shaft there is formed a working chamber intended for an diabatic inner compression or expansion of the gases. The shafts respectively comprise a rotary piston extending over the length of the hollow body. The shafts also have a recess adjacent said rotary piston and extending in an axis-parallel manner while said recess has a dimension making possible the meshing of the rotary piston of the other shaft. The two shafts are connected to two control gears which are rotatable about the central axis of said shafts outside the housing and mesh with each other.
The arrangement according to the invention is furthermore characterized in that for purposes of mounting the shafts there are provided radial bearings, which radial bearings comprise an outer ring, an intermediate ring rotatably arranged within said outer ring, recesses for guiding a plurality of antifriction bodies and an inner ring rotatably arranged within said intermediate ring. The surfaces of the intermediate ring facing the inner and outer ring comprise wedge surfaces which are so arranged between said recesses that in view of the thus designed wedge-shaped gaps a hydrodynamic lubrication is effected. These gaps comprise between the surfaces of the intermediate ring and the surfaces of the outer and inner ring facing the intermediate ring a lubricant such as oil, or the like, while said gaps are located opposite to each other. The intermediate ring has expediently from four to eight recesses for the antifriction bodies.

REFERENCES:
patent: 2225908 (1940-12-01), Garthe
patent: 2724340 (1955-11-01), Tryhorn
patent: 3038767 (1962-06-01), Greby

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