Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1973-09-14
1977-01-04
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
220 85VR, F02M 2102, B65D 2514
Patent
active
040007278
ABSTRACT:
A device for controlling fuel evaporation and overflow expansion out of an automobile fuel tank is connected to the filler neck.
The device is basically designed for easy installation on cars not originally equipped with fuel tank controls (generally referred to as a retrofit evaporation kit). It incorporates a container for receiving both fuel vapors and the liquid fuel overflow and is connected to a carbon cannister vapor storage element. The container has one conduit extending between the container and the filler neck which permits both fuel vapors and liquid fuel overflow to flow back and forth between the container and the filler neck. The container has a second conduit which is connected to the carbon cannister vapor storage element and which permits only fuel vapor to flow from the container to the carbon cannister vapor storage element. A third connection may be used from the carburetor to a diaphragm operated valve in the cannister to control recycle.
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Argenbright Tony M.
Myhre Charles J.
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