Internal-combustion engines – Charge forming device – Auxiliary air or gas used to inject fuel
Patent
1992-05-19
1993-12-21
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Auxiliary air or gas used to inject fuel
F02M 6702
Patent
active
052713725
ABSTRACT:
A cylinder head for internal combustion engines, with a device for the pneumatically assisted direct injection of fuel into at least one cylinder provided with at least one spark plug and a valve aperture with its relative valve, fuel feed means being provided, the valve being connected to a chamber into which said feed means cause the fuel to flow. The chamber is connected to a feed duct directly associated with an air pipe and an oil pipe, a piston acting within the chamber in order, during its compression stroke, to inject the air-fuel mixture generated in the chamber into at least one cylinder via the valve aperture, the piston being operated mechanically by a positive transmission driven by the crankshaft.
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Piaggio Veicoli Europei S.p.A.
Wolfe Willis R.
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