Rotary expansible chamber devices – Working member has planetary or planetating movement – With relatively movable partition member
Patent
1976-09-30
1978-02-28
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
With relatively movable partition member
418186, F01C 108, F01C 2112
Patent
active
040764702
ABSTRACT:
A planetary air motor with two internal gearings employing two internally toothed ring gears. One ring gear rotates and meshes with a first rim of a two-rim pinion, the other gear forms an intertooth space with a second rim of the pinion that is freely mounted on an eccentric journal of a pinion carrier and has radial through slots in the tooth spaces. The intertooth space is limited by a flange at one face and by a fixed washer at the other face of the fixed gear and is divided into two intertooth working zones A and B. Zone A communicates with the compressed air line and the other one (B) with the atmosphere. The pinion carrier has a main channel and an additional channel with an inside bore that is smaller than that of the main channel and which is isolated from the latter. The additional channel is disposed towards the periphery of an eccentric journal of the pinion carrier and communicates with the compressed air line and the intertooth working zone A through a slot in the pinion carrier. The slot is where the fixed ring gear meshes with the pinion rim and is tangential to the cross section of the additional longitudinal channel. The main channel communicates with atmosphere through side holes in the pinion carrier, and zone B through a side port located in the zone where the fixed ring gear meshes with the other rim of the pinion.
REFERENCES:
patent: 252372 (1882-01-01), Hardy
patent: 267174 (1882-11-01), Fitts et al.
patent: 969478 (1910-09-01), Humphreys
patent: 1009362 (1911-11-01), Wester
patent: 3367239 (1968-02-01), Takagi
patent: 3832098 (1974-08-01), Dudko et al.
patent: 3836292 (1974-09-01), Dudko et al.
Dudko Daniil Andreevich
Sur Mikhail Danilovich
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