Internal-combustion engines – Precombustion and main combustion chambers in series – Having specific connecting passage means between...
Patent
1991-06-07
1991-12-10
Cross, E. Rollins
Internal-combustion engines
Precombustion and main combustion chambers in series
Having specific connecting passage means between...
123292, F02B 1902, F02B 4904
Patent
active
050708350
ABSTRACT:
An improvement in an internal combustion engine of type in which a piston reciprocates in a cylinder to compress a charge of fuel within a combustion chamber within which the charge of fuel is ignited to burn and drive the piston through a power stroke, the improvement providing the combustion chamber with a first stage chamber and a second stage chamber communicating with one another through a valve operated in synchronism with reciprocation of the piston to close communication between the first stage chamber and the second stage chamber as the piston approaches top dead center so as to enable ignition and burning of a first portion of the charge of fuel in the first stage chamber, isolated from a second portion of the charge of fuel in the second stage chamber, and then to open communication between the first stage chamber and the second stage chamber to effect ignition of the second portion of the charge of fuel in the second stage chamber by the combustion products of the first portion of the charge of fuel and completion of the power stroke of the piston.
REFERENCES:
patent: 4372264 (1983-02-01), Trucco
patent: 4401072 (1983-08-01), Ito et al.
patent: 4406260 (1983-09-01), Burley
Cross E. Rollins
Mates Robert E.
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