Patent · US Expired

Pneumatic operating unit for compressed-air brakes

US6846048B2 · kind B2 · utility

0Cited by

3References

7Claims

0Family size

Assignee

KNORR-BREMSE SYSTEME FÜR SCHIENENFAHRZEUGE GMBH · DE

Inventors

Martin Heller · Zürich, CH
Benno Wenk · Wolnzach, DE
Stefan Sonntag · Blöden, DE

Key dates

Filing date	Aug 9, 2002
Grant date	Jan 25, 2005
Priority date	—
Expiry date	Sep 17, 2022

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B2013/006
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The invention relates to a pneumatic operating unit for compressed air brakes including a housing having at least one exterior compressed air connection device and at least one air-carrying connection. The operating unit further includes at least one piston, at least one piston rod, at least one valve body, at least one valve seat and at least one cylinder body fitted into the housing. The at least one cylinder body has at least one transverse connection and includes one or more of the at least one piston, valve seat and body. The at least one cylinder body also includes a seal in an axial direction between two transverse connections with respect to the housing so that the transverse connections are sealed off with respect to one another.

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