Expansion hose for reduction of pressure pulsations

US4611633A · kind A · utility

Assignee

• Volkswagenwerk AG · DE

Inventors

• Peter Buchholz · Gifhorn, DE
• Claus-Peter Schopke · Wasbüttel, DE
• Rolf Warnecke · Ulmen, DE

Key dates

• Filing date: Nov 2, 1984
• Grant date: Sep 16, 1986
• Expiry date: Nov 2, 2004

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B62D5/062
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

An expansion hose having a central internal throttle element dividing the interior of the hose into two chambers, and an internal hose extending from the expansion hose inlet through one of the chambers and the throttle element into the second chamber. The portion of the inner hose within the first chamber has radial throttle passages, and the portion within the second chamber is imperforate.