Oldham coupling for scroll machine

摘要

An Oldham coupling for a scroll machine has two posts rather than the traditional four posts. Each post of the Oldham coupling of the present invention defines two keys. One key is for engagement with the orbiting scroll. The other key is for engagement with the non-orbiting scroll in one embodiment or for engagement with the main bearing housing in another embodiment. The two posts of the Oldham coupling can be connected by a continuous ring or the two posts of the Oldham coupling can be connected by a connecting member extending between the two posts.