Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports
Patent
1996-04-17
1997-04-01
Okonsky, David A.
Internal-combustion engines
Two-cycle
Whirl through piston-controlled ports
123 68, 1231882, F02B 7502
Patent
active
056156448
ABSTRACT:
A valve arrangement in an internal combustion engine, into which engine the air-fuel mixture is directly injected by relative pumping elements from a pressure chamber towards at least one cylinder provided with a valve aperture with its relative valve located within a valve body provided with at least one communication channel, between the valve and the valve aperture there being positioned an elastic element which when at rest maintains the valve in its closed position, the valve being inserted into said valve body by way of interposed elements, lockable in their selected position, for adjusting both the preload and its travel.
REFERENCES:
patent: 2150185 (1939-03-01), Phillips
patent: 2249354 (1941-07-01), Gehres
patent: 2252187 (1941-08-01), Kylen
patent: 2334688 (1943-11-01), Norton
patent: 4345897 (1994-09-01), Linder et al.
Okonsky David A.
Piaggio Veicoli Europei S.p.A.
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