In one embodiment, grooves are formed in {HEAD ~ the fixed scroll member} to communicate a selected intermediate pressure and a discharge pressure to {TAIL ~ locations} on the base plate of the fixed scroll member 
In one embodiment , grooves are formed in { HEAD ~ the fixed scroll member } to communicate a selected intermediate pressure and a discharge pressure to { TAIL ~ locations } on the base plate of the fixed scroll member
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH