Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Patent
1989-01-23
1990-02-20
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
123463, 123458, F02M 3900
Patent
active
049017020
ABSTRACT:
An apparatus for the temporary storage and controlled feeding of the volatile fuel components situated in the free space of a tank to the intake tube of an internal combustion engine. The apparatus includes a vent line connecting the free space to the atmosphere. In the vent line there is disposed a storage chamber containing an absorption element, as well as a line connecting the storage chamber to the intake tube, which can be shut off by an electromagnetic check valve. Between the check valve and the intake tube there is disposed an auxiliary valve with a control chamber. The auxiliary valve can be closed by a vacuum actuator in dependence upon the pressure difference between the control chamber and the atmosphere.
REFERENCES:
patent: 4270504 (1981-06-01), Sciotti
patent: 4308842 (1982-01-01), Watanabe
patent: 4446838 (1984-05-01), Suzuki
patent: 4448734 (1984-05-01), Shibano
patent: 4628887 (1986-12-01), Mitchell
patent: 4630581 (1986-12-01), Shibata
patent: 4658797 (1987-04-01), Brand
patent: 4809667 (1989-03-01), Uranishi
Beicht Bernd
Heinemann Joachim
Tinz Reinhard
Firma Carl Freudenberg
Milde Jr. Karl F.
Miller Carl Stuart
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