Patent · US Active

Hydraulic valve for an oscillating motor adjuster

US8752514B2 · kind B2 · utility

4Cited by

60References

16Claims

0Family size

Assignee

Hilite Germany GmbH · DE

Inventors

Wolf-Dietmar Schulze · Gießen, DE
Andre Selke · Lohr am Main, DE

Key dates

Filing date	Dec 15, 2011
Grant date	Jun 17, 2014
Priority date	—
Expiry date	Dec 2, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/8671
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a hydraulic valve for an oscillating motor adjuster that utilizes camshaft alternating torques by means of non-return valves for more rapid adjustment. The non-return valve that is not used for the respective rotation is additionally closed by means of the piston of the hydraulic valve.

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