Control valve having a disc shaped throttle

US4274439A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Fritz Kolb · Odenthal, DE
• Silvan Fehlisch · Dormagen, DE
• Otto Ziegert · Dormagen, DE
• Hans-Jürgen Bender · Freinsheim, DE
• Manfred Schmitt · Munich, DE

Key dates

• Filing date: May 23, 1977
• Grant date: Jun 23, 1981
• Expiry date: May 23, 1997

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/87475
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a throttling valve with low noise. The passage of fluid is controlled by an aperture between parallel discs, which can be turned around special axes for altering the distance between them.