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US 8,176,887 B2Granted
Electromagnetic actuating device
AssigneeETO Magnetic GmbH
InventorsThomas Golz, Thomas Schiepp
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AssigneeETO Magnetic GmbH
InventorsThomas Golz, Thomas Schiepp
Estimating the term…
An electromagnetic actuating device comprising a plurality of electromagnetic actuation units (10, 12, 14), which can be selectively controlled for exerting an actuating force on a corresponding plurality of elongated tappet units (22, 24, 26) that are supported axially parallel, wherein the actuation units are provided in a common housing (18, 20; 78, 82) along the actuating direction axially parallel to each other, and form a contact surface that is at least planar in some sections and can be axially moved in the actuating direction at each associated engagement end facing the tappet units. A face (34, 36, 38) on the engagement side of each of the tappet units interacts with the engagement surface (28, 30, 32), wherein at least one of the plurality of tappet units sits eccentrically and/or with only a partial surface, with the face thereof on the engagement side, on the engagement surface of the associated actuation unit, particularly adheres to it magnetically.
Electromagnetic actuation device comprising a plurality of electromagnetic actuator units for exerting an actuation force on a corresponding plurality of elongated tappet units, the actuator units are provided in a housing axially parallel to one another, each actuator unit has an engagement surface which is at least sectionally flat and is axially movable in an actuation direction for engagement with an end face of one of the tappet units, and interacts with an engagement-side end face of a respective one of the tappet units using the engagement surface, wherein at least one of the plurality of tappet units rests using an engagement-side end face which adheres magnetically to the associated actuator unit excentrically and/or using only a part surface on the engagement surface.
Dependencies are inferred from the claim text.