Rotary combustion engine system having toroidal compression and expansion chambers

A rotary combustion engine system comprising:

• an axially extended crank shaft;
• and
• at least one compression chamber and at least one expansion chamber disposed within a housing assembly, said at least one compression chamber and said at least one expansion chamber communicating through a transfer port defined therebetween, said at least one compression chamber having at least one air intake port, said at least one expansion chamber being coupled to a fuel source and having at least one exhaust port and at least one spark plug coupling;
• and said at least one compression chamber and said at least one expansion chamber further including:
• a cylinder portion defining a toroidal chamber space extending annularly about a central cavity;
• a plurality of curved pistons disposed within said toroidal chamber space in separately displaceable manner, the plurality of said curved pistons variably partitioning said toroidal chamber space into a plurality of sub-chamber spaces sealed one from the other;
• a rotor disposed within the central cavity of said cylinder portion eccentrically coupled to said axially extended crank shaft and linked by a plurality of swing rods to the plurality of said curved pistons, wherein said rotor including includes a rotor gear portion;
• and
• a plurality of bearing supports extending through said housing assembly and respectively into the central cavity of said at least one compression chamber and the central cavity of said at least one expansion chamber to coaxially receive and rotatably support said axially extended crank shaft,
• wherein each of the plurality of said bearing supports defines a stationary gear engaging said rotor gear of one said rotor to guide eccentric cycloidal displacement thereof about an axis of said axially extended crank shaft passing through the central cavity of said at least one compression chamber and the central cavity of said at least one expansion chamber;
• wherein said toroidal chamber space of said at least one compression chamber is axially and radially offset from said toroidal chamber space of said at least one expansion chamber;
• wherein the plurality of said curved pistons of said at least one expansion chamber is incrementally advanced through said toroidal chamber space by recursive combustion within the plurality of said sub-chamber spaces defined therebetween;
• wherein said rotor of said at least one expansion chamber is angularly displaced responsive to an advancement of the plurality of said curved pistons for incrementally driving rotation of said axially extended crank shaft about an axis thereof;
• and
• wherein said rotor member of said at least one compression chamber being angularly displaced responsive to the rotation of said axially extended crank shaft to incrementally advance the plurality of said curved pistons through said toroidal chamber space for recursive compression of air within the plurality of said sub-chamber spaces defined therebetween, compressed air being recursively passed through said transfer port to one of the plurality of said sub-chamber spaces of said at least one expansion chamber for combustion thereat.

A rotary internal combustion engine system comprising:

• an axially extended crank shaft;
• a housing assembly having a fuel injector and a spark plug;
• and
• at least one compression chamber and at least one expansion chamber offset therefrom, said at least one compression chamber and said at least one expansion chamber communicating through a transfer port defined therebetween, said at least one compression chamber having at least one air intake port, said at least one expansion chamber having at least one exhaust coupling port;
• wherein said at least one compression chamber and said at least one expansion chamber include:
• a cylinder portion defining a toroidal chamber space extending annularly about a central cavity;
• a plurality of curved pistons disposed within said toroidal chamber space to be displaceable relative to one another therein, the plurality of said curved pistons variably partitioning said toroidal chamber space into a plurality of sub-chamber spaces sealed one from the other;
• and
• a rotor disposed outside said toroidal chamber space of said cylinder portion, said rotor being eccentrically coupled to said axially extended crank shaft and linked by articulated swing rods to the plurality of said curved pistons;
• wherein the plurality of said curved pistons of said at least one expansion chamber are incrementally advanced through said toroidal chamber space by recursive combustion within said sub-chamber spaces defined therebetween;
• wherein said rotor of said at least one expansion chamber is angularly displaced responsive to displacement of the plurality of said curved pistons within said toroidal chamber space for incrementally driving rotation of axially extended crank shaft about an axis thereof;
• and
• wherein said rotor of said at least one compression chamber is angularly displaced responsive to the rotation of said axially extended crank shaft to incrementally displace the plurality of said curved pistons within said toroidal chamber space for recursive compression of air within the plurality of said sub-chamber spaces defined therebetween, compressed air being recursively passed through said transfer port to the plurality of said subchamber spaces of said at least one expansion chamber.