Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1983-03-03
1986-09-02
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 57, 418 99, 418150, 464102, F01C 104, F01C 2104
Patent
active
046093346
ABSTRACT:
There is disclosed a scroll-type machine specifically suited for use as a gaseous fluid compressor. The machine incorporates an improved rotation controlling mechanism which is extremely simple in construction, several embodiments of which are disclosed. This mechanism does not eliminate relative rotation between the scrolls but limits it to a relatively small predetermined amount. Several novel techniques for contouring the profiles of the scroll wrap flanks to give good flank sealing with the aforesaid rotation controlling mechanism are also disclosed, as are two embodiments of an improved scroll drive mechanism and an improved thrust bearing arrangement. A novel method of machining a scroll is also disclosed.
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Griffith Russell W.
Lilienthal Gerald W.
Muir Earl B.
Copeland Corporation
Vrablik John J.
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