Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1990-02-20
1991-09-24
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
464102, F01C 104, F16D 304
Patent
active
050510754
ABSTRACT:
A gearing system includes a pair of gear support plates arranged to rotate about parallel but offset axes with the plates extending parallel to each other in parallel radially extending plates. Each plate includes axially extending teeth in the form of sections of lune shaped elements having concave and convex opposed surfaces. The teeth are interdigited axially such that various pairs of interdigited teeth will be in cooperating surface contact. Rotation of each support plate about its own axis causes the teeth to orbit relative to each other and engage in a driving relationship in a smooth manner, with the convex portion of certain teeth engaging smoothly with the concave portion of adjacent teeth. The gearing system provides a 1:1 speed ratio and has application as an Oldham coupling or synchronizer for a scroll fluid device.
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Arthur D. Little Inc.
Vrablik John J.
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