Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1975-02-24
1977-05-31
Husar, C. J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123120, F02M 5900
Patent
active
040262588
ABSTRACT:
A control device for regulating the amount of collected fuel and purge air which is delivered to the combustion chamber of an internal combustion engine in addition to its usual mixture of combustion air and fuel includes a valve element which is connected for operation in accordance with the pressure conditions of the fuel intake pipe and carburetor of the internal combustion engine to provide a flow rate of the collected fuel and purge air which is proportional to the flow rate of the usual fuel and air mixture. The device includes a valve body having a diaphragm dividing the interior and which carries a needle valve on one side which is adapted to seat in a valve seat of a line connected to the engine inlet. This same side of the diaphragm is also connected to a line which is adapted to receive accumulated or collected vapors, for example, from the fuel tank or the crank case. The opposite side of the diaphragm is biased by a spring to provide an initial closing action on the needle valve but this biasing force may be overcome by the negative pressure which is conducted to this portion of the body chamber by a sensing line which is adapted to be connected to the carburetor at the location of the venturi.
REFERENCES:
patent: 3001519 (1961-09-01), Dietrich et al.
patent: 3370578 (1968-02-01), Spelts
patent: 3460522 (1969-08-01), Kittler et al.
patent: 3645244 (1972-02-01), Seyfarth
patent: 3759234 (1973-09-01), Buckton et al.
Ino Takao
Ono Hiroaki
Shimizu Takeo
Devinsky Paul
Husar C. J.
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
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