Structural throttle body mount

Details Structural throttle body mount Structural throttle body mount

1996-04-18

1997-09-16

Wolfe, Willie R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123570, 123 4131, F02M 2507

Patent

active

056669305

ABSTRACT:
An intake system is disclosed for conducting air to a v-configured, internal combustion engine. The engine includes an engine coolant crossover conduit which extends between cylinder heads and has coolant passages which operate to conduct coolant therebetween. A throttle body mounting flange extends outwardly from a side of the conduit and includes a throttle body mounting surface which surrounds an opening extending through the flange. A throttle body is mounted to the throttle body mounting surface of the throttle body mounting flange with the opening of the flange aligned with the throttle body bore for conducting inlet air from said throttle body and to a conduit extending between the flange and the intake manifold of the engine. An exhaust gas passage within the engine coolant crossover conduit extends from an exhaust gas source to an outlet in the throttle body mounting flange opening which, with an associated exhaust gas metering valve, regulates the flow of exhaust gas to the outlet where it is introduced into the intake air flow passing to the intake manifold. The throttle body mounting flange operates as a sink for heat from the coolant passages in the engine coolant crossover to heat the throttle body and prevent condensation and icing.

REFERENCES:
patent: 4072133 (1978-02-01), McWhirter
patent: 4094283 (1978-06-01), Sutton
patent: 4615324 (1986-10-01), Choushi et al.
patent: 4811697 (1989-03-01), Kurahashi
patent: 5353767 (1994-10-01), Carbone et al.
patent: 5490488 (1996-02-01), Aversa et al.
patent: 5492104 (1996-02-01), Elder et al.
patent: 5542711 (1996-08-01), Vaudry

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