Magnet valve
AssigneeRobert Bosch GmbH
InventorsHarald Speer, Thomas Michl, Ralf Schindler, Dietmar Kratzer, Elmar Vier, Gerhard Schuster
Life of this patent
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Abstract
The invention relates to a magnet valve, having a valve insert and a tappet guided movably in the valve insert via a tappet guide, which tappet is braced on a valve body via a restoring spring resting a contact face of the tappet, and the restoring spring is guided radially from inside on one end by a spring guide of the tappet, the spring guide adjoining the contact face. According to the invention, centering means are present, which are disposed on the tappet in such a way that the restoring spring is centered and radially guided from inside over a substantial portion of its length.
Claims20
A magnet valve comprising a valve body, a valve insert including a tappet guide, a tappet having a contact face, a spring guide adjacent the contact face and a dome, the tappet being guided movably in the tappet guide of the valve insert, a spiral restoring spring engaging the contact face and bracing the tappet on the valve body, one end of the restoring spring being guided radially from inside the spring by the spring guide, and centering means on the tappet centering and guiding the restoring spring from inside over a major portion of the length of the restoring spring.
Dependencies are inferred from the claim text.