Multiway valve with pressure balance

US4688600A · kind A · utility

Assignee

• Mannesmann Rexroth AG · DE

Inventors

• Norbert Kreth · Minden, DE
• Peter Buttner · Stockelsdorf, DE
• Armin Stellwagen · Lohr am Main, DE

Key dates

• Filing date: Feb 25, 1986
• Grant date: Aug 25, 1987
• Expiry date: Feb 25, 2006

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/87185
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

Into the housing of a multiway valve a pressure balance is incorporated, the end of the control piston subjected to the load report pressure facing a housing recess in which the load report pressure obtains while the opposite end of the control piston is subjected to the supply pressure and in the opposite sense to the supply pressure to the force of a spring. The valve has a simple structure.