Engine with work stroke and gas exchange through piston rod
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United States of America Patent
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May 18, 2021
Grant Date -
N/A
app pub date -
Sep 27, 2019
filing date -
Apr 24, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An internal combustion may include a cylinder having a first combustion chamber at one end and a second combustion chamber at an opposing end, first and second cylinder heads located at an end of the first and second combustion chambers, respectively, and a double-faced piston slidably mounted within the cylinder. The piston may be configured to move in the cylinder in a work stroke from one end to another. The work stroke may include an expansion stroke portion, a momentum stroke portion, and a compression stroke portion. The engine may further include first and second piston rod portions extending from opposite faces of the piston. Passageways in the piston rod portions may be configured to communicate gases between a combustion chamber and a location outside the cylinder.
First Claim
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International Classification(s)
- F01L:CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINE....
- F02M:SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBU....
- F01N:GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHIN....
- F02B:INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENG....
- F01B:MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DIS....
- F02F:CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGI....
- F16J:PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; S....
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