Eight-stroke internal combustion engine utilizing a slave...

Details Eight-stroke internal combustion engine utilizing a slave... Eight-stroke internal combustion engine utilizing a slave...

2005-07-19

2005-07-19

Yuen, Henry C. (Department: 3747)

Internal-combustion engines

Multiple cylinder

Cylinders in-line

C123S19800E

Reexamination Certificate

active

06918358

ABSTRACT:
By the utilizing of a slave cylinder working in coordination with a master cylinder, the slave cylinder both receives cool atmospheric air and receives hot, partially un-burnt exhaust gases from the master cylinder to create a second power-stroke in the slave cylinder. With the two coordinating cylinders, the entire working process is from 0 to 810 degrees of revolution crankshaft. The master cylinder cycles work from 0 to 720 degrees of revolution and slave cylinder cycles work from 90 to 810 degrees of revolution. The master cylinder begins to intake air and fuel at 0 degree of revolution and slave cylinder begins to intake air at 90 degrees of revolution. There is an angle of 60-120 degrees differences between master and slave cylinder, where the slave cylinder is trailing the master.

REFERENCES:
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patent: 6328003 (2001-12-01), Gaertner et al.
patent: 6386154 (2002-05-01), Hellman et al.

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