Two-rotor engine

A rotary engine converting energy into work comprising:

• a stationary housing including internally a first surface of revolution disposed about an imaginary line to be referred to as the axis;
• a first rotor including a second surface of revolution about the axis;
• a second rotor including a third surface of revolution about the axis;
• a cavity of revolution about the axis, being formed by the aforesaid three surfaces of revolution;
• a first set of cavity diaphragms rigidly attached to said first rotor, and extending across and dividing said cavity of revolution into a number of substantially equal volume subcavities;
• a second set of cavity diaphragms rigidly attached to said second rotor and extending across, said cavity of revolution, said second set of diaphragms being interleaved with said first set of diaphragms whereby each of the aforesaid subcavities is further divided into two chambers, each chamber thus being bounded by a portion of each of the aforesaid three surfaces of revolution and two cavity diaphragms, one belonging to each of said rotors with the circular geometry providing a continuous sequence of such chambers circumferentially disposed around the axis, wherein the volume of a chamber is increased while the volume of the adjacent chamber is being equally decreased when said first and said second set of diaphragms are forced to rotate with respect to each other, such increasing and decreasing of the volume of the chambers representing the execution of a plurality of predetermined strokes, the sequence of such strokes representing a preprogrammed cycle;
• intake and exhaust ports on said housing, for intaking an energy containing fluid and for exhausting such fluid after some of the energy has been converted to torque;
• stroke programming means comprising a plate rotating in sliding contact with one of the bases of said housing, their relative rotation establishing and interrupting coincidence of slots with holes, positioned at predetermined radial and azimouthal positions on the rotating plate and the adjacent base of said housing, for establishing communiction passages between the aforesaid chambers and said intake and exhaust ports on said housing, for preprogramming the strokes to be performed by each of the aforesaid chambers;
• said stroke programming means also being operative in establishing the timing of intaking energy cyclically into the chambers while in a predetermined phase of a predetermined stroke wherein such energy is alternately being used for exerting pressure onto the diaphragms of such chambers for alternately forcing said first set of diaphragms and therefore its associated said first rotor in a forward direction and said second set of diaphragms and therefore its associated said second rotor in the reverse direction, causing the volume of such chambers to expand;
• said stroke programming means also being operative in establishing the timing for exhausting the remains of the intaken fluid;
• means for limiting the rotation of said second rotor whereby the work done by the energy is converted in a predetermined forward rotational displacement of said first rotor;
• and wherein alternately, the intaken energy is also being used for exerting pressure causing said first set of diaphragms and therefore its associated said first rotor to be forced in the reverse rotational direction, and said second set of diaphragms and therefore its associated said second rotor to be forced in the forward rotational direction;
• means for limiting the rotation of said first rotor whereby the work done by the energy is converted into a predetermined forward rotational displacement of said second rotor, thereby in accordance with said stroke preprogramming means said first and said second rotors are alternately forced to rotate through predetermined forward displacements;
• and means for transfering torque from said first and/or said second rotor to at least one output shaft.