Control device for metering pump

US4599052A · kind A · utility

Assignee

• J. Eberspacher · DE

Inventors

• Herbert Langen · Altbach, DE
• Fritz Reuter · Eßlingen, DE

Key dates

• Filing date: Mar 21, 1985
• Grant date: Jul 8, 1986
• Expiry date: Mar 21, 2005

Classification

• Technology area (CPC H): Electricity
• CPC primary: H02K33/10
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

An electromagnetically operated fuel feed pump has an electronic control which comprises a phototransistor circuit with a delay element and a threshold switch. With this control a wear-free operation of the control is possible in a space-saving arrangement.