Almost zero combustion chamber

Details Almost zero combustion chamber Almost zero combustion chamber

2006-03-28

2006-03-28

Yuen, Henry C. (Department: 3747)

Internal-combustion engines

Multiple cylinder

Simultaneous compression, distinct pistons, restricted...

Reexamination Certificate

active

07017533

ABSTRACT:
An internal combustion reciprocation engine conjoined and integrated with a supplementary piston mechanism. The supplementary piston mechanism serves as a storage and return volume for fresh gases to be ignited during the power stroke. Thus, erasing the need for a combustion chamber at top dead center. The storage occurs during the intake or compression stroke through a small volume gaseous communication conduit to the top of supplementary piston mechanism. And is returned to the top of the main power piston during the power stroke through the same small volume gaseous communication conduit. Ignition in the power stroke occurs as the supplementary piston mechanism working in supplementation with the main power piston achieves the proper compression ratio. The high combustion pressure provided by the ignition is then transfered to the the crankshaft through the connecting rod with greater advantage late in the power stroke. AZCC has the capability of being a smaller displacement internal combustion reciprocating engine as compared to prior art internal combustion reciprocating engines with an equal amount of power production. AZCC has the capability to greatly reduce the volumes of gaseous exhaust emissions and increase fuel economy.

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patent: 4732115 (1988-03-01), Lapeyre
patent: 4787341 (1988-11-01), Chivato
patent: 4860711 (1989-08-01), Morikawa

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