Combustion chamber structure in engines

Details Combustion chamber structure in engines Combustion chamber structure in engines

1997-12-15

1999-10-26

Solis, Erick R.

Internal-combustion engines

Precombustion and main combustion chambers in series

Having timed valves to precombustion and main combustion...

123316, 123 48AA, 123275, 123292, F02B 1902

Patent

active

059709448

ABSTRACT:
To minimize an increase in friction during the compression stroke, a part of the force to compress the air in the main combustion chamber is stored as a spring force to prevent an excess rise of compressed air pressure in the main combustion chamber and to keep low the pressure difference between the main combustion chamber and the pre-combustion chamber. The spring force stored in the spring is recovered as a work during the power stroke to reduce the energy that is used in the form of friction and heat, thereby improving the utilization of air in the main combustion chamber, increasing the combustion speed in the main combustion chamber, shortening the combustion period. By applying the spring force stored in the spring to the piston as a work, the fuel cost is reduced.

REFERENCES:
patent: 4091772 (1978-05-01), Heater et al.
patent: 4271810 (1981-06-01), Lancaster
patent: 4406260 (1983-09-01), Burley
patent: 4516537 (1985-05-01), Nakahara et al.
patent: 4787341 (1988-11-01), Chivato
patent: 4987863 (1991-01-01), Daly
patent: 5293851 (1994-03-01), Schaub
patent: 5555868 (1996-09-01), Neumann

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