Damped displacer refrigerating machine

US4642995A · kind A · utility

Assignee

• Leybold-Heraeus GmbH · DE

Inventors

• Werner Bachler · Rösrath, DE
• Rolf Heisig · Weilerswist, DE
• Hans-Hermann Klein · Hürth, DE
• Karl-Heinz Volker · Titz, DE

Key dates

• Filing date: Apr 3, 1985
• Grant date: Feb 17, 1987
• Expiry date: Apr 3, 2005

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F25B2500/13
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A refrigerating machine having a displacer reciprocable in a hollow space having a substantially-closed end for the refrigerating operation has a spring between the displacer and the substantially-closed end of the hollow space for damping vibration and noise of the displacer reciprocation.