Control valve

US4707278A · kind A · utility

Assignee

• Herion-Werke KG

Inventors

• Karl-Hermann Breyer · Heidenheim, DE
• Roland Tesar · Bad Sobernheim, DE

Key dates

• Filing date: Dec 2, 1985
• Grant date: Nov 17, 1987
• Expiry date: Dec 2, 2005

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16K25/04
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A control valve includes a valve box whose interior accommodates a valve needle closing against a valve seat. The interior of the valve box is subdivided in sections with at least two conical bores with different cone angles for improving the flow guidance and providing more uniform velocity distribution.