Patent · US Active

Electromagnetic valve, in particular for slip-regulated motor vehicle brake systems

US10738907B2 · kind B2 · utility

1Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 23, 2017
Grant dateAug 11, 2020
Priority date
Expiry dateJun 26, 2037

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01F2007/1661
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electromagnetic valve, having a valve closing element which is arranged in a valve housing and which is capable of opening or closing a valve passage in a valve seat, having a magnet armature provided for actuating the valve closing element, and having a substantially cylindrical restoring spring which is braced between the magnet armature and a magnet core. In a parallel arrangement with respect to the restoring spring, a spring ring is arranged between the magnet armature and the magnet core, which spring ring has a smaller number of spring windings in relation to the number of spring windings of the restoring spring.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.