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