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