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US 12,503,985 B2Granted
Fuel system for a spark ignition engine
AssigneesFpt Industrial S.P.A., Landi Renzo SPA
InventorsAndrea Gerini, Nicola Rapetto, Andrea Bizzarri, Davide Barbati, Massimo Ferrera
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Abstract
A methane and hydrogen injection device is provided. The methane and hydrogen injection device includes a first methane injector, a second hydrogen injector, a single common injection pipe. The injectors are associated together so as to produce a mixture of methane and hydrogen with a variable concentration ratio, and the common injection duct is shaped to be operatively connected to an intake manifold of a spark-ignition internal combustion engine.
Claims10
A methane and hydrogen injection device comprising
- a first methane injector,
- a second hydrogen injector,
- a single common injection duct,
- wherein the first methane injector and the second hydrogen injector are associated together to produce a mixture of methane and hydrogen with a ratio between a concentration of hydrogen and methane, the concentration of hydrogen and methane varies over time, and the single common injection duct is shaped to be operatively connected with an intake manifold of a spark ignition internal combustion engine.
1 more element
Dependencies are inferred from the claim text.