Filtering throttle element for fuel injection pump

US6162029A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Wolfgang Fehlmann · Stuttgart, DE
• Andreas Dutt · Stuttgart, DE

Key dates

• Filing date: Apr 27, 1998
• Grant date: Dec 19, 2000
• Expiry date: Apr 27, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/794
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A throttle element installed in a blind bore of a connecting conduit which delivers fluid to cool an electromagnet. The throttle element includes a filter region upstream of a throttle which throttles flow of the fluid from an annular groove to the blind bore that connects with the electromagnet.