The present invention is a heat engine that has two piston assemblies and a center assembly between the piston assemblies. The heat engine uses a working fluid. The center assembly includes an outside wall and two end walls forming a sealed assembly. The center assembly includes two compression cham
The present invention is a heat engine that has two piston assemblies and a center assembly between the piston assemblies. The heat engine uses a working fluid. The center assembly includes an outside wall and two end walls forming a sealed assembly. The center assembly includes two compression chambers internally. The piston assemblies are attached to the end walls of the center assembly in a sealed condition. The piston assemblies include a burner, piston cavity, piston with piston head and piston shaft. The piston shafts of the pistons are interconnected to each other. The burner is in contact with the piston cavities. There is also a heat exchanger connected to the center assembly and piston assemblies.
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1. A heat engine using a working fluid comprising: a center assembly having a first compression chamber and second compression chamber internally, said center assembly having a main wall, a first end wall, and a second end wall sealing said center assembly;a first piston assembly seal-ably attached
1. A heat engine using a working fluid comprising: a center assembly having a first compression chamber and second compression chamber internally, said center assembly having a main wall, a first end wall, and a second end wall sealing said center assembly;a first piston assembly seal-ably attached to said first end wall of said center assembly, a second piston assembly seal-ably attached to said second end wall of said center assembly, said first and second piston assemblies each including a burner, piston cavity, piston with piston head and piston shaft, said piston shaft of said first piston assembly interconnected to said piston shaft of said second piston assembly, said burners in contact with said respective piston cavities to provide heat to the working fluid in said respective piston cavities;a heat exchanger connected to said center assembly by a passage to direct the working fluid via said passage to said center assembly, said heat exchanger connected to said first piston assembly and said second piston assembly to receive the working fluid from said first piston assembly and said second piston assembly, said heat exchanger connected to said burner to direct heated gas to said respective burners for combustion of said heated gas;wherein said first piston assembly includes an inlet port connected to an outlet port of said first compression chamber; wherein said second piston assembly includes an inlet port connected to an outlet port of said second compression chamber; wherein said first piston assembly includes at least one outlet port connected to a first inlet of said heat exchanger; wherein said second piston assembly includes at least one outlet port connected to a second inlet of said heat exchanger; wherein said heat exchanger includes a first outlet connected to said center assembly and a second outlet connected to said center assembly; wherein said center assembly includes at least one outlet port on each of said first end wall and said second end wall which lead from inside of said center assembly to said respective piston cavities of said first piston assembly and said second piston assembly to allow working fluid to flow from said center assembly to said first piston assembly and said second piston assembly; and wherein said center assembly includes two inlet ports on each of said first end wall and said second end wall, said two inlet ports connected to said first and second compression chambers to allow working fluid to flow from said respective piston cavities of said first piston assembly and said second piston assembly to said first and second compression chambers. 2. The heat engine of claim 1, wherein said inlet ports and said outlet ports of said center assembly and said first and second compression chambers are one way valves. 3. The heat engine of claim 1, wherein said inlet ports and outlet ports of said first and second piston assemblies are positioned on each of said first and second piston assemblies such that movement said respective piston heads open up and closed off said inlet ports and outlet ports of said first and second piston assemblies in a timed manner to allow proper flow of working fluid. 4. The heat engine of claim 1, wherein said center assembly includes an opening in each end wall of said center assembly to allow said piston shafts to move in and out of said center assembly, and said opening includes a seal which does not allow working fluid to transfer between said center assembly and said respective piston cavities. 5. The heat engine of claim 1, wherein said respective piston heads each include a seal to allow said respective piston heads to move in said respective piston cavities without allowing working fluid to transfer between said respective piston heads. 6. The heat engine of claim 2, wherein said respective burners and said respective piston cavities each share a respective wall to allow heat transfer. 7. The heat engine of claim 3, wherein said respective piston heads each include a seal to allow said respective piston heads to move in said respective piston cavities without allowing working fluid to transfer between said respective piston heads. 8. A heat engine using a working fluid comprising: a center assembly having a first compression chamber and second compression chamber internally, said center assembly having a main wall, a first end wall, and a second end wall sealing said center assembly;a first piston assembly seal-ably attached to said first end wall of said center assembly, a second piston assembly seal-ably attached to said second end wall of said center assembly, said first and second piston assemblies each including a burner, piston cavity, piston with piston head and piston shaft, said piston shaft of said first piston assembly interconnected to said piston shaft of said second piston assembly, said burners in contact with said respective piston cavities to provide heat to the working fluid in said respective piston cavities;a heat exchanger connected to said center assembly by a passage to direct the working fluid via said passage to said center assembly, said heat exchanger connected to said first piston assembly and said second piston assembly to receive the working fluid from said first piston assembly and said second piston assembly, said heat exchanger connected to said burner to direct heated gas to said respective burners for combustion of said heated gas; further including a transmission in said center assembly for performing work that is connected to said piston shafts such that movement of said piston shafts drives said transmission;wherein said transmission includes a slide gear which interconnects said piston shafts, said slide gear including a gear cavity with gear teeth along inner walls of said gear cavity that are parallel to direction of movement of said piston shafts; wherein said transmission includes a drive shaft gear mounted in said gear cavity to rotate along said gear teeth of said inner walls;and wherein said transmission includes a drive shaft connected to said drive shaft gear. 9. A heat engine using a working fluid comprising: a center assembly having a first compression chamber and second compression chamber internally, said center assembly having a main wall, a first end wall, and a second end wall sealing said center assembly;a first piston assembly seal-ably attached to said first end wall of said center assembly, a second piston assembly seal-ably attached to said second end wall of said center assembly, said first and second piston assemblies each including a burner, piston cavity, piston with piston head and piston shaft, said piston shaft of said first piston assembly interconnected to said piston shaft of said second piston assembly, said burners in contact with said respective piston cavities to provide heat to the working fluid in said respective piston cavities;a heat exchanger connected to said center assembly by a passage to direct the working fluid via said passage to said center assembly, said heat exchanger connected to said first piston assembly and said second piston assembly to receive the working fluid from said first piston assembly and said second piston assembly, said heat exchanger connected to said burner to direct heated gas to said respective burners for combustion of said heated gas; further including a transmission in said center assembly for performing work that is connected to said piston shafts such that movement of the piston shafts drives said transmission;wherein said center assembly includes an opening in each end wall of said center assembly to allow said piston shafts to move in and out of said center assembly without allowing working fluid to transfer between said center assembly and said respective piston cavities.
Spenceley, Christopher John; Silcock, Roger Stuart; Aldridge, Wayne Kenneth; McEntee, Jarlath Michael; Welty, Stephen Charles; Smith, Gordon; Hardingham, Christopher Mark, Stirling engine instability detection and prevention.
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