Sound proofed valve for fluid under pressure

US4103702A · kind A · utility

Assignee

• Bertin & Cie

Inventors

• Louis Duthion · Paris, FR
• Pierre-Jean Bonnet · Courtelary, CH
• Paul Coudray · Les Clayes-sous-Bois, FR

Key dates

• Filing date: Jun 17, 1976
• Grant date: Aug 1, 1978
• Expiry date: Jun 17, 1996

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/86734
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

The invention comprehends a sound proofed valve for fluid under pressure, comprising a movable obturator for progressively uncovering a series of fluid expansion orifices positioned inside an expansion area, a sound proofing means also positioned inside said expansion area and located opposite fluid jets issuing, in operation of said valve, from said orifices, and a permeable splash guard obstacle placed between said orifices and said sound proofing means and spaced from said sound proofing means.