Patent · US Expired

Check valve for a piston pump

US6786232B2 · kind B2 · utility

10Cited by

10References

4Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Wolfgang Schuller · Cleebronn, DE
Beate Schumann · Brackenheim, DE

Key dates

Filing date	Apr 2, 2002
Grant date	Sep 7, 2004
Priority date	—
Expiry date	Apr 6, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/7936
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A check valve for a piston pump of a traction-controlled vehicle brake system includes hollow cylindrical valve seat part and a disk-shaped valve closing body, which is embraced by a spring clip and is secured to and guided against the valve seat part. The invention has the advantage that the check valve can be simply and inexpensively manufactured.

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