A liquid injection apparatus includes an injection unit attached to a liquid injection space which is formed by, for example, an intake pipe (20) of an internal combustion engine, and a pressure pump (11) for pressurizing liquid fed from a liquid storage t...

A fuel injector for an internal combustion engine is disclosed. The fuel injector (10) includes a housing (20), a valve seat (30), a metering orifice (50), and a needle (40). The housing (20) has an inlet (210), an outlet (220), and a longitudinal axis (27...