Abstract: A heat radiator useful for expelling waste heat from a power generating system aboard a space vehicle is disclosed. Liquid to be cooled is passed to the interior of a rotating bubble membrane radiator, where it is sprayed into the interior of the bubble. Liquid impacting upon the interior surface of the bubble is cooled and the heat radiated from the outer surface of the membrane. Cooled liquid is collected by the action of centrifical force about the equator of the rotating membrane and returned to the power system. Details regarding a complete space power system employing the radiator are given.

Abstract: Power wheel comprises a heat engine consisting of several expansion valves rigidly situated around the circumference of a stationary side gear and centralized to a axis which rotates through the work out put by expanding a fluid centralized inside a valve unit by a heat source operating in intervals introduced through the rotation of the expansion valves by moving a valve plunger in or out of the heat elements which in return will expand or contract a fluid, to move push rods stroke wise in both directions to activate a spindle drive by rotating a pinion gear with ratchet units to achieve rotation in one direction.