US PATENT SUBCLASS 418 / 73
.~ Counterbalancing fluid directed to rotating member shaft bearing

Current as of: June, 1999
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418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

71  DF  PRESSURE FLUID RADIALLY BALANCES WORKING OR ROTATING ABUTMENT MEMBER {3}
73.~ Counterbalancing fluid directed to rotating member shaft bearing

DEFINITION

Classification: 418/73

(under subclass 71) Apparatus wherein at least one of the opposing fluid zones is at the journal means for the rotating member.