Pulse damper

US6109304A · kind A · utility

Assignee

• Woco Franz-Josef Wolf & Co. GmbH · DE

Inventors

• Franz J. Wolf · Salmünster, DE
• Anton Wolf · Gelnhausen, DE
• Josef Hohmann · Bad Bederkesa, DE
• Udo Gartner · Steinau an der Straße, DE

Key dates

• Filing date: Oct 22, 1998
• Grant date: Aug 29, 2000
• Expiry date: Oct 22, 2018

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16L55/054
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a directly hydraulically damping broadband damper designed as a sequence of Helmholtz resonators with elastomer/gas springs to damp pressure pulses in pressurized liquids and in the audible range frequencies, in particular in hydraulic servo systems.