Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1973-12-12
1976-03-02
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123122H, F02M 3100
Patent
active
039411060
ABSTRACT:
An arrangement is disclosed for heating the suction gases of an internal combustion engine in order to promote the vaporization of the fuel contained within the suction gases while the engine is still in a cool state. In the arrangement, the high temperature exhaust gases of the engine are routed, by the control of a rotatable control valve in the exhaust manifold, around fins formed on the exterior wall of the bottom floor of the intake manifold for receiving the heat of the exhaust gases, and a covering is provided for enclosing the fins in a closed chamber which is defined between the covering and the exterior wall of the intake manifold. The covering is provided with inlet and outlet ports so as to introduce the exhaust gases into the chamber and drain the exhaust gases from the chamber. The covering is further provided with a vertical wall extending therefrom into the exhaust manifold so that the control valve comes in close contact with said wall when the control valve is rotated to a position where the exhaust gases are routed in said closed chamber. The exhaust gases introduced in the chamber heat the entire surfaces of the fins so that the heat of the exhaust gases is transmitted to the fuel within the suction gases thereby promoting vaporization of the fuel within the suction gases.
REFERENCES:
patent: 2196330 (1940-04-01), Chandler
patent: 2380374 (1945-07-01), Anderson
patent: 2434192 (1948-01-01), Braun
patent: 2437724 (1948-03-01), Brown
patent: 2503071 (1950-04-01), Scherger
patent: 3831568 (1974-08-01), Heimburg
Kobayashi Nobuyuki
Nakada Masahiko
Lazarus R. H.
Myhre Charles J.
Toyota Jidosha Kogyo Kabushiki Kaisha
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