Electromagnetic directional control valve

US6152422A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Horst Staib · Schwieberdingen, DE
• Wolfgang Rudolph · Gerlingen, DE
• Mathias Niebergall · Hemmingen, DE
• Lothar Krauter · Bietigheim-Bissingen, DE
• Klaus Schudt · Leingarten, DE
• Michael Weiss · Dittelbrunn, DE

Key dates

• Filing date: Feb 9, 1999
• Grant date: Nov 28, 2000
• Expiry date: Feb 9, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/87217
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

An electromagnetic directional control valve has a magnetic part including a coil body, a coil arrangement of the coil body, a magnetic pole mounted on the coil body, a flux guiding element, and an armature, and a hydraulic part provided with passages and at least one valve which controls a pressure medium flow to the passages, and an outwardly mounted fixing element which fixes the magnetic pole on the coil body.