Method and device for introducing a carburetted mixture under pr

Details Method and device for introducing a carburetted mixture under pr Method and device for introducing a carburetted mixture under pr

1989-12-29

1991-04-09

Okonsky, David A.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 73BA, 123 9014, F02M 6700, F02M 6910

Patent

active

050055372

ABSTRACT:
A device, and method for introducing a carburetted mixture under pressure into a chamber of a first cylinder of a two stroke-internal combustion engine. The device includes a feed valve cooperating with a seat for closing a duct feeding carburetted mixture into the chamber of a first cylinder, a valve returning arrangement and an assistance member comprising a separation element cooperating with one end of a stem of the valve. The assistance member separates a first volume and a second volume within each of which a pressure prevails, with the separation element having a movement and causing displacement of the valve under the action of the pressure difference between the pressure of the first volume and the pressure of the second volume.

REFERENCES:
patent: 896439 (1908-08-01), Criner
patent: 955786 (1910-04-01), Frear
patent: 1361109 (1920-12-01), Spohrer
patent: 1525187 (1925-02-01), Indlekofer
patent: 2719516 (1955-10-01), Clark
patent: 4852528 (1989-08-01), Richeson et al.

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