Internal-combustion engines – Multiple cylinder – Cylinders in-line
Patent
1976-07-26
1978-05-23
Burns, Wendell E.
Internal-combustion engines
Multiple cylinder
Cylinders in-line
74 57, 92 122, 92 33, 92 71, 91411R, 123 51R, 123 58A, 123 58B, F02B 7526, F01B 1306, F16H 3300
Patent
active
040904784
ABSTRACT:
A multiple cylinder sinusoidal engine comprising a plurality of piston/cylinder arrangements lying parallel to, and around, a shaft cylinder is disclosed. Mounted in the shaft cylinder is a sine shaft, i.e., a cylindrical shaft having formed in its periphery at least one closed, double wave, continuous, sinusoidal groove. Coupling mechanisms couple the pistons to the sinusoidal groove or grooves of the sine shaft such that reciprocating motion of the pistons causes rotary motion of the shaft. Various air/fuel, exhaust and ignition passageways are provided through the sine shaft (or through the engine block in some embodiments) to allow air and fuel to enter the piston cylinders and exhaust gases to be emitted therefrom, and to allow ignition energy to be applied to air/fuel mixtures, as necessary. In one form, a single igniter is provided. The single igniter is coupled, sequentially, to each piston/cylinder arrangement as the sine shaft revolves. Alternatively, an igniter is provided for each piston/cylinder arrangement. Further, the sine shaft functions as a rotary valve that directs an air/fuel mixture or air and/or fuel, as the case may be, into each piston/cylinder combustion chamber, and directs exhaust gases therefrom to an exhaust passageway, all in a normal engine cycle sequence, such as a four-cycle sequence.
REFERENCES:
patent: 1520960 (1924-12-01), Nagelmann
patent: 2647363 (1953-08-01), Stott
patent: 3456630 (1969-07-01), Karlan
Crosby Ervin L.
Trimble James A.
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