Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Patent
1993-06-02
1995-03-21
Nelli, Raymond A.
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
123520, F02M 2508
Patent
active
053986601
ABSTRACT:
A fuel vapor purging system includes a container in which a set of divided chambers are formed by partition walls. Absorbent is disposed in the divided chambers. The divided chambers are sequentially connected to form a zigzag passage. Fuel vapor can enter the container from a fuel tank via a vapor line connecting the fuel tank and the container. In the container, an end of the vapor line faces the divided chamber which occupies an end of the set of the divided chambers. In the container, the fuel vapor is absorbed by the absorbent. Air can escape from the container via an opening in the container. The fuel vapor can be separated from the absorbent. The separated fuel vapor can be drawn into a suitable drawing device such as an engine air induction device via a purge line connecting the container and the drawing device. Fresh air can flow into the container via an air inlet provided on the container. Among the divided chambers, at least the divided chamber which occupies the end of the set of the divided chambers has a cross-sectional area equal to or smaller than 40 cm.sup.2.
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Abe Seiko
Igashira Toshihiko
Ishiguro Yuzi
Kamohara Shinichiro
Koyama Nobuhiko
Moulis Thomas N.
Nelli Raymond A.
Nippon Soken Inc.
Nippondenso Co.
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