Reciprocatory internal combustion engines

Details Reciprocatory internal combustion engines Reciprocatory internal combustion engines

1988-03-15

1989-01-03

Myhre, Charles J.

Internal-combustion engines

Multiple cylinder

Having rotary output shaft parallel to cylinders

123192B, F02B 7524

Patent

active

047948876

ABSTRACT:
A three-cylinder four-stroke internal combustion engine has first and third diametrically opposed pistons and a third piston arranged to reciprocate on an axis at right angles to that of the cylinders. A connecting link assembly is connected at its upper end to the second piston and at its lower end is slidably guided in the engine casing and carries a counterweight. The connecting link assembly has a central parallel sided transverse opening in which can slide a drive block rotatably mounted on a crankpin portion of the engine output shaft which has balance weights. The first and third pistons are interconnected by a further connecting link assembly which is connected to the crankpin in a similar manner. The first and third pistons reciprocate in quadrature with the second piston and the counterweight so that the combined effect of the reciprocating masses is one mass concentrated at the axis of the crankpin and thus readily balanced by the crankshaft balance weight.

REFERENCES:
patent: 1042975 (1912-10-01), Sailer
patent: 1878767 (1932-09-01), Freund
patent: 2147666 (1937-05-01), Park
patent: 2312057 (1941-10-01), Williams
patent: 2826894 (1958-03-01), August
patent: 3608530 (1971-09-01), Wenzel
patent: 3859966 (1975-01-01), Braun
patent: 4344742 (1982-08-01), Ferris
patent: 4395977 (1983-08-01), Pahis
patent: 4459945 (1984-07-01), Chatfield

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