Throttle body injection apparatus

Details Throttle body injection apparatus Throttle body injection apparatus

1977-12-21

1979-04-17

Myhre, Charles J.

Internal-combustion engines

Noncompression

123 28, 123119A, 123139AW, 261116, 261DIG39, F02M 3200

Patent

active

041494962

ABSTRACT:
In a throttle body injection apparatus of the type having a throttle body housing including a throttle body portion with spaced apart valve controlled throttle bores therein and a fuel body operatively connected to the throttle body portion, the fuel body is of substantially open, diamond like configuration and has a pair of socket cavities therein adjacent opposite corners thereof with electromagnetic fuel injectors positioned therein to discharge fuel from spray tip ends of the injectors into the throttle bores upstream of the valves therein, each electromagnetic fuel injector forming with a socket cavity an annular fuel chamber in flow communication with opposed inlet and outlet ports of the injector, the fuel body having a support port at one apex thereof connectable to a source of low pressure fuel and a drain port at the opposite apex thereof connectable to a fuel drain conduit, the fuel body having inlet passages therein connecting the supply port to the fuel chambers, and drain passages therein connecting the drain port to the fuel chambers, the axis of these ports and passages forming a diamond like flow path outline for the ingress and egress of fuel to and from the fuel chambers in the fuel body.

REFERENCES:
patent: 2898895 (1959-08-01), Koppel et al.
patent: 3590789 (1971-07-01), Wiebicke
patent: 3635201 (1972-01-01), High
patent: 3717130 (1973-02-01), Thornburgh
patent: 3717131 (1973-02-01), Chana et al.
patent: 3747901 (1973-07-01), Coverston
patent: 3767176 (1973-10-01), Engalitcheff, Jr. et al.
patent: 3943904 (1976-03-01), Byrne

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