The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 19, 2006
Filed:
Jan. 24, 2002
Michael Muller, Bexbach, DE;
Heinz Jacobus, Dudweiler, DE;
Matthias Stitz, Lohr, DE;
Bruno Schneider, Fellen, DE;
Michael Muller, Bexbach, DE;
Heinz Jacobus, Dudweiler, DE;
Matthias Stitz, Lohr, DE;
Bruno Schneider, Fellen, DE;
Hydac Electronic GmbH, SaarbrĂĽcken, DE;
Bosch Rexroth AG, Stuttgart, DE;
Abstract
A switchgear, especially for actuating valves, includes a housing () and a coil body () disposed in the housing. A switch element is guided in the coil body. The coil body is provided with a winding () of a conductor () that is connected to a plug connector () via contact elements (). At least some sections of the housing () and of the plug connector () are enclosed by a plastic compound (). Sealing devices () seal off the interior () of the switchgear from the surroundings (). At least one of the sealing devices () is configured as a sealing web () of a meltable material. The sealing web () is disposed on the bottom face () of a plug plate () of the plug connector () which faces the housing (). The sealing web (), in the molten connection state, seals off at least the engaging parts of the plug connector () that are connected to the housing () from the surroundings () in a fluid-tight manner by the plastic compound (), thereby eliminating the need for conventional rubber packing rings (O rings) in the area of the plug connector that are prone to failures.