Cylinder system with relative motion occupying structure

1. A mechanical engine cylinder system, comprising:

a cylinder including an internal space;

an occupying structure; and

a crankshaft piston;

wherein the internal space of the cylinder is modified by the occupying structure such that combustion pressure applied to the crankshaft piston is applied to a smaller surface area of the crankshaft piston during an early part of an expansion stroke and to a larger surface area of the crankshaft piston during a later part of the expansion stroke;

wherein the occupying structure is a movable structure relative to the cylinder, and wherein movement of the occupying structure is controlled by one or more forces applied by a force application mechanism; and

wherein the force application mechanism is responsive to throttle position by way of throttle position sensors such that one or more forces applied to the occupying structure are dependent on throttle position.

2. The system of claim 1 , wherein the system is configured such that combustion occurs within a cavity of the occupying structure to apply combustion pressure to both the occupying structure and the crankshaft piston.

3. The system of claim 1 , wherein the force application mechanism is configured to apply a retracting force to the occupying structure during the expansion stroke.

4. The system of claim 1 , wherein the force application mechanism is configured to apply an advancing force to the occupying structure during the expansion stroke.

5. The system of claim 1 , wherein the system is configured to partially, execute a compression stroke during the expansion stroke by applying a force to the occupying structure via the force application mechanism.

6. The system of claim 1 , wherein the system is configured to perform intake, compression, expansion, and exhaust functions within two strokes per combustion.

7. The system of claim 1 , wherein the force application mechanism includes an electromagnetic actuator.

8. The system of claim 1 , wherein the force application mechanism inclu a hydraulic system.

9. The system of claim 1 , wherein the force application mechanism includes a forced induction system.

10. The system of claim 1 , wherein the system is configured to deliver fluid to an intake side of the occupying structure to increase cylinder pressure and engine acceleration.

11. The system of claim 1 , wherein the system is configured to cause engine deceleration by applying a retracting force to the occupying structure.

12. The system of claim 1 , wherein the system is configured to cause engine acceleration by applying an advancing force to the occupying structure.

13. A method of introducing an occupying structure within a cylinder system, the system including a cylinder including an internal space, and the system including a crankshaft piston, the method comprising:

modifying an internal space of a cylinder using the occupying structure such that pressure applied to the crankshaft piston is applied to a smaller surface area of the crankshaft piston during an early part of an expansion stroke and to a larger surface area of the crankshaft piston during a later part of the expansion stroke; and

executing a pressure-increasing action within a cavity of the occupying structure to apply pressure to both the occupying structure and the crankshaft piston; and

wherein the cylinder is a hydraulic cylinder, and wherein the fluid is a hydraulic fluid.

14. The method of claim 13 , wherein the cylinder is a combustion cylinder, and wherein the fluid is a combustible fluid.

15. The method of claim 13 , wherein the method further comprises: applying a retracting force to the occupying structure during an expansion stroke.

16. The method of claim 13 , wherein the method further comprises: applying an advancing force to the occupying structure during an expansion stroke.

17. A mechanical engine cylinder method using a system, the system comprising:

a cylinder including an internal space in which fluid is introduced, and a crankshaft piston configured for reciprocating motion in the internal space;

an occupying structure; and

wherein the internal space of the cylinder is modified by the occupying structure by insertion of the occupying structure to displace a portion of the internal space, such that the occupying structure reduces a fluid intake, and such that combustion pressure applied to the crankshaft piston is applied to a smaller surface area of the crankshaft piston during an early part of an expansion stroke and to a larger surface area of the crankshaft piston during a later part of the expansion stroke;

wherein the system is configured such that combustion occurs within a cavity of the occupying structure to apply combustion pressure to both the occupying structure and the crankshaft piston;

wherein the occupying structure is a movable structure relative to the cylinder, and wherein movement of the occupying structure controlled by one or more forces applied by a force application mechanism;

wherein the force application mechanism is responsive to throttle position by way of throttle position sensors such that one or more forces applied to the occupying structure are dependent on throttle position;

wherein the system is configured to partially execute a compression stroke during the expansion stroke by applying a force to the occupying structure via the force application mechanism;

wherein the system is configured to have an initial movement of the occupying structure drag combustion fluids and forces in the direction of the camshaft piston to absorb part of the engine vibration forces;

wherein the occupying structure changes direction during the expansion stroke;

wherein the system is configured to perform intake, compression, expansion, and exhaust functions within two strokes per combustion;

the method comprising:

actuating the crankshaft piston during an expansion stroke in a first direction;

during the expansion stroke, advancing the cylinder occupying structure into the internal space of the cylinder in correspondence with motion of the crankshaft piston;

actuating the crankshaft piston during a compression stroke in a second direction substantially opposite to the first direction; and

during the compression stroke, retracting the occupying structure from the internal space of the cylinder in correspondence with the motion of the crankshaft piston; and

wherein the occupying structure is a movable structure relative to the cylinder, and wherein movement of the occupying structure is controlled by one or more forces applied by a force application mechanism;

wherein the force application mechanism includes a hydraulic system.