Patent · US Active

Infinitely variable pressure-control valve

US9062570B2 · kind B2 · utility

0Cited by

27References

15Claims

0Family size

Assignee

PIERBURG GMBH · DE

Inventors

Werner Buse · Kaarst, DE
Franz-Josef Schnelker · Neuss, DE
Rolf Dohrmann · Kaarst, DE
Christoph Sadowski · Sprockhövel, DE

Key dates

Filing date	May 24, 2011
Grant date	Jun 23, 2015
Priority date	—
Expiry date	Mar 13, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/7793
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A pressure-control valve includes a housing, a coil carrier, a coil wound on the coil carrier, a first bearing, an armature comprising a valve member. The armature is configured to be axially displaced in the first bearing. A core. A flux guiding device. A connection sleeve comprises a valve seat for the valve member. A first connection bore is configured to be connected with a tank and with the connection sleeve. A second connection bore is configured to be connected with a consumer. An end of the connection sleeve distant from the core comprises a control bore with a control member supported therein. The armature and the control member are configured to be in a force-transmitting operative connection at least in an opening direction of the pressure-control valve.

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