Fluidic controller for automotive fuel tank vapor collection sys

Details Fluidic controller for automotive fuel tank vapor collection sys Fluidic controller for automotive fuel tank vapor collection sys

1991-08-09

1992-05-12

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

220 862, 123520, F02M 3700

Patent

active

051117959

ABSTRACT:
A fluidic controller for an automotive fuel tank vapor control system including fuel tank with a fill tube for introducing liquid fuel into the tank and with the fill tube having a fill cap and primary and refueling vapor conduits for conducting fuel vapors to a collection canister. The controller is connected to the primary and refueling vapor conduits and to a sensor conduit positioned to sense the fluid pressure within the fill tube in the region in which the cap is installed. The controller switches the flow of fuel vapor from the fuel tank to either the primary conduit or the refueling conduit, depending upon the presence of the filler cap.

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