Patent · US Active

Valve device for a hydraulic circuit and oil pump regulating arrangement

US10094253B2 · kind B2 · utility

1Cited by

3References

13Claims

0Family size

Assignee

PIERBURG GMBH · DE

Inventors

Rolf Lappan · Cologne, DE
Christoph Sadowski · Sprockhövel, DE
Lukas Romanowski · Osnabrück, DE
Turgut Yilmaz · Cologne, DE

Key dates

Filing date	Nov 19, 2013
Grant date	Oct 9, 2018
Priority date	—
Expiry date	Jun 24, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/86879
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A valve device for a hydraulic circuit includes an actuator unit and a valve unit. The actuator unit comprises an electromagnetic circuit comprising an armature which moves in a translational manner, a core, a coil carrier, a coil configured to be energized, and a flux guiding device. The coil is arranged on the coil carrier. The valve unit comprises a valve housing comprising a transverse bore which serves as a first control chamber pressure port, a regulating slide mounted in the valve housing, the regulating slide being configured to move axially, a first outlet port, an inlet port, and a second control chamber pressure port arranged between the inlet port and the first outlet port.

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