Fuel injection apparatus

Details Fuel injection apparatus Fuel injection apparatus

1984-08-06

1986-06-03

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

73204, F02M 5100, G01F 168

Patent

active

045923264

ABSTRACT:
A fuel injection apparatus is disclosed which includes two intake tubes each having a throttle valve, a fuel injection valve for injecting fuel into each of the intake tubes, a hot-wire type air flowmeter for measuring the quantity of intake air sucked into the intake tubes, and a by-pass passage which accommodates the detection portion of the hot-wire type air flowmeter. The by-pass passage has an inlet portion for introducing the static pressure of flow of the intake air sucked into each intake tube, a central portion for passing en bloc the air introduced from each intake tube and an outlet portion for discharging into each intake tube the air passing through the central portion. The detection portion of the hot-wire type air flowmeter is disposed in the central portion of the by-pass passage. Thus, the air flowmeter is able to obtain an output having reduced pulsations.

REFERENCES:
patent: 4264961 (1981-04-01), Nishimura et al.

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