Patent · US Active

Non-return valve and hydraulic valve with a fitted non-return valve

US9046181B2 · kind B2 · utility

3Cited by

6References

8Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

Holger Patzold · Burgebrach, DE
Philipp Bittel · Bamberg, DE
Barbara Pluta · Eggolsheim, DE

Key dates

Filing date	May 23, 2011
Grant date	Jun 2, 2015
Priority date	—
Expiry date	Jun 12, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/7891
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A non-return valve (8) having a sealing seat (2) having an opening (16) and also a resilient, flat closing element (10), which covers the opening (16) in a closed position. In view of simple assembly of the non-return valve (8), the closing element (10) and the sealing seat (12) are connected fixedly to one another and form a prefabricated structural unit (13).

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