Device for lowering flow noises

US10794341B2 · kind B2 · utility

Assignees

• Umfotec GmbH · DE
• Dietrich Denker · DE

Inventors

• Ralf Buck · Schelldorf, DE
• Michael Heuer · Kassel, DE
• Dirk Nagel · Paderborn, DE
• Philipp Troeger · Hannover, DE
• Norbert Luebbe · Nümbrecht, DE

Key dates

• Filing date: Jul 29, 2016
• Grant date: Oct 6, 2020
• Expiry date: May 23, 2037

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A device (1) for lowering flow noises has opposed first and second connection pieces (2, 3), and outer and inner sleeves (4, 5) between the connection pieces. A radial collar (6) is between the sleeves (4, 5) and forms separated volume chambers. Openings (11) in the inner sleeve (5) connect the volume chambers to a line space (13) enclosed by the inner sleeve (5). A sealing ring (15) at the free end (14) of the collar (6) defines a ring cap with a lateral surface (21) that reaches over the collar (6) and seals against the sleeve (4, 5) adjacent the free end (14) of the collar (6) and that has a surface (23, 26) that seals against either an end face (25) of the collar (6) or a side surface (28) of the collar (6) extending parallel to the radial collar (6).