High pressure diesel fuel pump pumping element

US11421637B2 · kind B2 · utility

Assignee

• Cummins Inc. · US

Inventors

• Anthony A. Shaull · Columbus, US
• Tunji Adejumo · Columbus, US
• Luke Allen Jones · Columbus, US
• Yip Kwok · Indianapolis, US
• John D. Lane · Columbus, US
• David M. Rix · Columbus, US
• Wesley R. Thayer · Columbus, US

Key dates

• Filing date: Dec 15, 2015
• Grant date: Aug 23, 2022
• Expiry date: Jan 14, 2036

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F04B53/14
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

The present disclosure generally relates to a pumping element of a fuel pump for an internal combustion engine wherein the pumping element comprises a pumping chamber and a check valve assembly having a first insert including an angled passage in flow communication with a fuel outlet, and a second insert being disposed adjacent the pumping chamber, the second insert including a central bore in flow communication with a fuel inlet, a plurality of through holes in flow communication with the pumping chamber.