Integral device for forming and metering a mixture of air and fu

Details Integral device for forming and metering a mixture of air and fu Integral device for forming and metering a mixture of air and fu

1989-06-14

1990-05-15

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123 52M, F02B 300, F02M 3900

Patent

active

049248340

ABSTRACT:
The device comprises substantially an integral connection block for connection to an air manifold and to an engine wall; in said block there is provided a plurality of pairs of main air feed holes, one hole of each pair being controlled by a throttle valve; in the block there is also provided a series of supplementary idling air ducts the passage of which is controlled by a solenoid modulating valve housed in a suitable seat in the block. On the block there is also provided a series of seats for the injectors, and a pair of ducts for feeding fuel to the injectors and for its recirculation. Finally, on the block there are provided further seats for a fuel pressure regulator and for a pneumatic actuator arranged to control said throttle valves by way of a transmission.

REFERENCES:
patent: 3994270 (1976-11-01), Nakano
patent: 4323041 (1982-04-01), Endo
patent: 4541370 (1985-09-01), Sakai
patent: 4567860 (1986-02-01), Sugiyama
patent: 4643136 (1987-02-01), Ura et al.
patent: 4716879 (1988-01-01), Takayama
patent: 4726337 (1988-02-01), Yoshida
patent: 4726340 (1988-02-01), Hasegawa
patent: 4726341 (1988-12-01), Muranaka
patent: 4726343 (1988-02-01), Kruger
patent: 4751905 (1988-06-01), Bonfiglioli
patent: 4768487 (1988-09-01), Yamamoto
patent: 4771751 (1988-09-01), Haigh

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