Electromagnetically operated valve

Details Electromagnetically operated valve Electromagnetically operated valve

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 21/02 (2006.01) F02M 25/08 (2006.01)

Patent

CA 2105244

An electromagnetically operated valve for the pulsed feeding of volatile fuel components from the liquid-free space of a fuel tank into the intake manifold of an internal combustion engine has at least one intake opening and at least one outlet opening, whereby a main valve seat and an auxiliary valve seat connected in parallel thereto are respectively associated with a main valve closure member and an auxiliary valve closure member and are provided between the intake and outlet openings. The main valve closure member has a movable mass M I and the auxiliary valve closure has a movable mass M II. In the voltage free condition, the valve closure members sealingly engage the associated valve seats and are respectively forced thereagainst by at least one associated valve spring. The main closure member is opened upon actuation by a resulting force F resI and the auxiliary valve closure member by a resulting force F resII, whereby the ratio of Image is smaller than the ratio of Image The valve has improved operating characteristics and is easier and more economically manufactured.

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