Patent · US Active

Sealing bush, hydraulic unit, and check valve

US8069876B2 · kind B2 · utility

4Cited by

9References

11Claims

0Family size

Assignee

Bosch Rexroth Corporation · DE

Inventors

Brian J. Kane · San Francisco, US
Bernd Schmitt · Lohr am Main, DE

Key dates

Filing date	Sep 16, 2005
Grant date	Dec 6, 2011
Priority date	—
Expiry date	Jul 13, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/86485
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

There is disclosed a sealing bush as well as a hydraulic unit fitted with the sealing bush and a check valve. The sealing bush is made of plastic and has, on an end face, a preferably conical elevation that can be brought into sealing contact with a bearing shoulder.

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