Evaporative fuel discharge-preventing device for engine

Details Evaporative fuel discharge-preventing device for engine Evaporative fuel discharge-preventing device for engine

1995-05-16

1996-08-20

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123516, F02M 3302

Patent

active

055469132

ABSTRACT:
An evaporative fuel discharge-preventing device for an engine which comprises a surge tank for leveling out fluctuations in the amount of evaporated fuel so as to provide a stabilized engine rotational speed, and to prevent the impairment of drivability. The surge tank has outlet and inlet side pipes arranged at a height position to avoid storing the evaporated fuel in a liquid state within the surge tank. The surge tank, having a predetermined volumetric capacity, is disposed midway of an air communication passage between an intake manifold and a purge valve, and is located at a height position greater than the intake manifold.

REFERENCES:
patent: 4070828 (1978-01-01), Barres
patent: 5080078 (1992-01-01), Hamburg
patent: 5353770 (1994-10-01), Osanai et al.
patent: 5437257 (1995-08-01), Giacomazzi
patent: 5443051 (1995-08-01), Otsuka

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