Patent · US Expired

Electropneumatic valve

US5918856A · kind A · utility

8Cited by

6References

3Claims

0Family size

Assignee

Mannesmann AG · DE

Inventors

Gerhard Scharnowski · Gehrden, DE
Huu-Tri Nguyen · Lehrte, DE
Ralf Kook · Hannover, DE
Reinhard Mauentobben · Hannover, DE

Key dates

Filing date	Nov 12, 1997
Grant date	Jul 6, 1999
Priority date	—
Expiry date	Nov 12, 2017

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K31/0658
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An electropneumatic valve including a valve body and a proportional magnet connected thereto and having a unitary tappet having an integral valve disk disposed at one end and an armature of the proportional magnet disposed at an end longitudinally opposite thereto. The tappet and valve disk being formed of a nonmagnetic material and the valve body and proportional magnet are contactingly connected by complementary interlocking features.

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