Patent · US Expired

System for filling a pressure medium accumulator

US6845793B2 · kind B2 · utility

5Cited by

9References

11Claims

0Family size

Assignee

Continental Teves AG & Co. OHG · DE

Inventors

Manfred Rüffer · Pocking, DE
Andreas Klein · Bonn, DE
Christian Albrich von Albrichsfeld · Darmstadt, DE

Key dates

Filing date	Oct 9, 2001
Grant date	Jan 25, 2005
Priority date	—
Expiry date	Oct 9, 2021

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B2201/60
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A method of filling a pressure medium accumulator with a housing having an inner space that is subdivided into two chambers by a metallic pleated bellows used as a media-separating element. The first chamber thereof is filled with a gas and the second chamber is filled with a liquid pressure medium. The bottom valve is provided in a hydraulic port, its closing member being operable by the media-separating element. The valve permits filling of the second chamber with fluid and prevents a complete evacuation of the second chamber. To enable reliable filling of the above-mentioned chambers with corresponding media without damaging the pleated bellows, the method includes the steps of evacuating the second chamber, filling the second chamber with pressure medium and filling the first chamber with a gas.

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