F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
F02M 33/02 (2006.01) F02M 25/08 (2006.01)
Patent
CA 2105363
An arrangement for the temporary storage and metered feeding of volatile fuel components present in the liquid-free space of a fuel tank into the intake manifold of an internal combustion engine includes a vent line connecting the liquid-free space with the atmosphere, a storage chamber positioned in the vent line and enclosing an absorption element, at least one feed conduit connecting the storage chamber with the intake manifold, the feed conduit being exclusively closable by an electromagnetically operable valve having at least one intake opening and at least one outlet opening, whereby a valve seat is provided between the intake and outlet openings which is selectively closable by a closure member. The valve seat forms the inlet end o~ a tubular nozzle integrated in the valve. The passage through the nozzle has a selected first cross-sectional area at the valve seat, a third cross-sectional area at the opposite, discharge end of the nozzle which is larger than the first cross-sectional area and a second cross-sectional area intermediate the ends of the nozzle and in flow direction immediately after the valve seat which is smaller than the first cross-sectional area. The arrangement and especially the valve included therein are of simplified construction, are more easily and economically manufactured and have good operating characteristics over longer periods of time.
Sausner Andreas
Zabeck Sebastian
Borden Ladner Gervais Llp
Carl Freudenberg Kg
Sausner Andreas
Zabeck Sebastian
LandOfFree
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