Patent · US Active

Magnet valve

US7575218B2 · kind B2 · utility

7Cited by

6References

19Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Harald Speer · Freiberg, DE
Thomas Michl · Stuttgart, DE
Ralf Schindler · Leonberg, DE
Dietmar Kratzer · Tamm, DE
Elmar Vier · Freiberg, DE
Gerhard Schuster · Nuremberg, DE

Key dates

Filing date	Jan 31, 2007
Grant date	Aug 18, 2009
Priority date	—
Expiry date	Apr 17, 2027

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K31/0693
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The invention relates to a magnet valve, having a valve insert and a tappet guided movably in the valve insert via a tappet guide, which tappet is braced on a valve body via a restoring spring resting a contact face of the tappet, and the restoring spring is guided radially from inside on one end by a spring guide of the tappet, the spring guide adjoining the contact face. According to the invention, centering means are present, which are disposed on the tappet in such a way that the restoring spring is centered and radially guided from inside over a substantial portion of its length.

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