Packings for rotary engines

Claim 1

SEALING DEVICE FOR A ROTARY ENGINE OF THE LOBAR TYPE COMPRISING A ROTOR HAVING 2N LOBES AND A STATOR PROVIDED WITH A CHAMBER HAVING 2N+1 LOBES AND LATERAL COVERS CLOSING SAID CHAMBERS, WHEREIN THE ROTOR CONTOUR IS AN EPICYCLOID AND THE STATOR CHAMBER CONTOUR AN ENVELOPE CURVE CONSTITUTING A CONJUGATE CONTOUR OF THE ROTOR EPICYCLOID, THE ROTOR BEING ECCENTRICALLY MOUNTED WITHIN SAID STATOR FOR ROLLING INTERENGAGEMENT OF SAID STATOR AND ROTOR LOBES TO FORM EXPANSIBLE AND CONTRACTIBLE FLUID WORKING CHAMBERS THEREBETWEEN, SAID SEALING DEVICE COMPRISING LATERAL AND RADIAL PARTITIONING MEANS CARRIED ONLY BY THE STATOR AND BY FIXED ELEMENTS RIGID WITH SAID STATOR, SAID PARTITIONING MEANS CONSISTING ON THE ONE HAND OF RADIAL STRIPS, DISPOSED BETWEEN THE WORKING CHAMBERS AND HOUSED IN GROOVES FORMED AT THE JUNCTIONS BETWEEN ADJACENT STATOR LOBES, AND ON THE OTHER HAND OF STRIPS INSERTED IN POLYGON FORMING GROOVES FORMED IN THE LATERAL COVER OF THE STATOR CHAMBER, THE CONTOUR OF SAID POLYGON FORMING GROOVES BEING SO DESIGNED THAT THEY ARE CONSTANTLY INSIDE THE AREA COVERED BY THE ROTOR, AND BEING LOCATED IN THE STATOR THEY REMAIN STATIONARY DURING THE OPERATION OF THE ENGINE AND ARE FREE OF ANY INTERIA FORCE OR CENTRIFUGAL EFFECT.