a journal means by being received as within bearing means 12 for rotation about the axis 50 a support portion similar to portion 14 and for example a solid journal means functionally similar to 11 39 may be provided as at the opposite axial end of the cylinder assembly 10 a suitable source of steam 52 is operatively connected as through conduit means 54 and coupling means 15 to inner chamber 44 by means of a stationary steam feed pipe or conduit 17 which as depicted is carried and supported by the coupling means 15 suitable ring like sealing means 16 is preferably provided as between the stationary coupling means 15 and the rotatable hollow or tubular journal portion 11 39 a condensate removing or transporting conduit means 56 is illustrated as comprising conduit portions 18 and 19 conduit portion 18 extends axially through the inner passage 58 of stationary steam feed conduit 17 and has oppositely situated end portions 60 and 62 with end portion 60 being operatively connected to generally radially extending conduit portion 19 and with end portion 62 being adapted for returning the removed condensate to a related condensate receiving means 64 the radially outer most portion of conduit section 19 may be provided as with a tubular connector portion 66 secured to and carried by conduit 19 and also secured to one end of a support arm 20 which has its other end fixedly secured as to the projecting end of stationary steam feed conduit 17 the connector 66 serving as a functional extension of conduit portion 19 slidably telescopingly receives a conduit portion 21 of the associated intake or inlet structure 22 thereby providing for some degree of movement radially of axis 50 of.