Apparatus for the measured feeding of volatile fuel components t

Details Apparatus for the measured feeding of volatile fuel components t Apparatus for the measured feeding of volatile fuel components t

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

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