Patent · US Expired

Piston for a hydraulic brake system and master cylinder equipped therewith

US7086229B2 · kind B2 · utility

4Cited by

4References

13Claims

0Family size

Assignee

LUCAS AUTOMOTIVE GMBH · DE

Inventors

Markus Mallmann · Pfalzfeld, DE
Dirk Runkel · Mendig, DE
Kam Chau · Koblenz, DE

Key dates

Filing date	Jun 16, 2005
Grant date	Aug 8, 2006
Priority date	—
Expiry date	Jun 16, 2025

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60T11/232
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The invention relates to a piston having a valve arrangement for a vehicle hydraulic brake system comprising a piston channel penetrating the piston, a valve seat formed around an opening of the piston channel, and a valve element, which is displaceable relative to the piston and which for sealing the piston channel is positionable in a fluid-tight manner against the valve seat, wherein the valve seat takes the form of an annular projection on a sealing component, which comprises an elastic sealing element and a support element, which stabilizes the sealing element, and wherein the support element is designed in a region close to the sealing projection with a corresponding annular recess.

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