Fuel injection pump for internal combustion engines

US5247917A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Karsten Hummel · Freising, DE
• Karl Rapp · Stuttgart, DE
• Hansjoerg Frey · Stuttgart, DE

Key dates

• Filing date: Nov 30, 1992
• Grant date: Sep 28, 1993
• Expiry date: Nov 30, 2012

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02M59/28
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A fuel injection pump for internal combustion engines with a plurality of pump elements in which the fuel injection quantity is varied via a governor rod, which is supported in a U-shaped guide rail; according to the invention, this guide rail is loaded in its middle region by at least one spring element, in order to prevent transverse vibration of the governor rod.