Device for storing and feeding fuel vapors

Details Device for storing and feeding fuel vapors Device for storing and feeding fuel vapors

1992-12-02

1993-12-14

Cross, E. Rollins

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

F02M 2508, F02M 3302

Patent

active

052692787

ABSTRACT:
A device for the temporary storing and dosed feeding of volatile fuel constituents found in a free space of a tank installation into an intake manifold of an internal combustion engine capable of being charged by a supercharger, comprising a venting line connecting the free space to a storage chamber containing an absorption element, at least one line connecting the storage chamber to the intake manifold, a valve having at least one inlet port, at least two outlet ports, a main valve seat, and an auxiliary valve seat, a first non-return valve allocated to a first outlet port of the at least two outlet ports, and a second non-return valve allocated to a second outlet port of the at least two outlet ports, wherein the first outlet port of the at least two outlet ports communicates with the intake manifold, and the second outlet port of the at least two outlet ports communicates with a low-pressure area of the supercharger.

REFERENCES:
patent: 4541396 (1985-09-01), Sato et al.
patent: 4703737 (1987-11-01), Cook et al.
patent: 4763634 (1988-08-01), Morozumi
patent: 5005550 (1991-04-01), Bugin, Jr. et al.
patent: 5060621 (1991-10-01), Cook et al.
patent: 5069188 (1991-12-01), Cook
patent: 5083546 (1992-01-01), Detweiler et al.
patent: 5103794 (1992-04-01), Shiraishi
patent: 5183022 (1993-02-01), Cook
patent: 5183023 (1993-02-01), Hanson
patent: 5190015 (1993-03-01), Nakata et al.

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