Patent · US Expired

Flushing unit

US4957133A · kind A · utility

18Cited by

7References

7Claims

0Family size

Assignee

Messer Griesheim GmbH · DE

Inventors

Dieter Linz · Bad Soden, DE
Peter Elsner · Remchingen, DE

Key dates

Filing date	Jul 26, 1989
Grant date	Sep 18, 1990
Priority date	—
Expiry date	Jul 26, 2009

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/4259
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A flushing unit has an extraction borehole for process gases and a flushing gas line, which can be connected via a flushing gas connection to a flushing gas supply. In order for only one fitting to be flushed by a circulation flushing operation with an inert gas or a flushing gas, the flushing unit has a flushing gas outlet which is connected to the extraction borehole, and which is opened or closed with a stop valve.

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