Controls for power drive assemblies

US4733533A · kind A · utility

Assignee

• Linde GmbH · DE

Inventors

• Horst Deininger · Alzenau, DE
• Walter Kropp

Key dates

• Filing date: Apr 2, 1985
• Grant date: Mar 29, 1988
• Expiry date: Apr 2, 2005

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F15B2211/67
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A control for a power drive assembly having a primary energy source, a hydrostatic pump driven by the energy source and a consumer of energy has a multiway valve between the pump and consumer and a control pressure dependent valve receiving fluid from the pump controlling its position and connections between a source of pressure fluid and a spring biased operating cylinder connected to a control lever on the primary energy source controlling operation thereof.