The compliant plate members define {HEAD ~ a sealing ring} between {TAIL ~ the stationary housing} and a rotor 
between
The compliant plate members define { HEAD ~ a sealing ring } between { TAIL ~ the stationary housing } and a rotor
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH