Device for temporarily storing volatile fuel constituents and su

Details Device for temporarily storing volatile fuel constituents and su Device for temporarily storing volatile fuel constituents and su

1991-11-06

1993-02-09

Cross, E. Rollins

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123516, 123518, F02M 3302

Patent

active

051845911

ABSTRACT:
A device for temporarily storing the volatile fuel constituents contained in the empty space (11) of a fuel tank (10) and supplying them at a controlled rate to the intake pipe (1) of an internal combustion engine (2). A shut-off valve (8) is accommodated in a line (3) that extends through a volatile fuel constituent absorber (9) to the intake pipe of the engine. A sensor (4) accommodated in the line generates a first signal representing the mass flow. An auxiliary component (6) generates a second signal quantitatively representing the valve position of the shut-off valve and compares the first and second signals. The auxiliary component has at least one accessory means (7) for displaying deviations between the first and second signals.

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