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1. (WO2018108312) ELECTROMAGNET COMPRISING REPLACEABLE SOLENOID COIL AND METHOD FOR ASSEMBLING THE ELECTROMAGNET

Pub. No.:    WO/2018/108312    International Application No.:    PCT/EP2017/001410
Publication Date: Fri Jun 22 01:59:59 CEST 2018 International Filing Date: Thu Dec 07 00:59:59 CET 2017
IPC: H01F 7/127
H01F 7/128
H01F 7/16
Applicants: THOMAS MAGNETE GMBH
Inventors: KRALLMANN, Jens
FERRES, Daniel
ZASTRAU, Thomas
DIEHL, Matthias
KUHL, Mario
Title: ELECTROMAGNET COMPRISING REPLACEABLE SOLENOID COIL AND METHOD FOR ASSEMBLING THE ELECTROMAGNET
Abstract:
Problem addressed: In order to achieve a cost-effective design of the core assembly, a deep-drawn tube should be used for media separation instead of a pole tube, however said deep-drawn tube should only be welded to the solenoid coil and not additionally to another component. To achieve this, a novel fastening of the solenoid coil to the core assembly is used for this application. Solution: When the electromagnet is assembled, once a lock (21) is engaged or a clamping device (15) is tightened, the solenoid coil (3) is non-displaceably and rotationally fixed on the core assembly (2) in a respective pre-defined position and once the lock (21) or the clamping device (15) is released, the solenoid coil (3) rests loosely on the core assembly. Field of application: Actuation of control valves or proportional pressure-regulating valves in hydraulic controls for self-propelled working machines and also in stationary hydraulic controls.