Back to results
US 2021/0277857 A1Published application
Piston Pump, in particular High-Pressure Fuel Pump for an Injection System of an Internal Combustion Engine
AssigneeRobert Bosch GmbH
InventorFlorian Rentz
Life of this patent
Estimating the term…
Abstract
A piston pump, in particular a high-pressure fuel pump for an injection system of an internal combustion engine, has a piston and a working chamber which is delimited by the piston. The piston has a running surface section, via which the piston is guided with a guide element, and is configured and developed in such a way that the running surface section of the piston tapers in cross section towards its end which faces the working chamber.
Claims9
A piston pump, comprising:
- a piston having a running surface portion;
- a housing having (i) a working chamber that is delimited from the piston, and (ii) a guide element arranged and configured to guide the running surface portion of the piston,
- wherein the running surface portion of the piston tapers in cross-section toward its end facing the working chamber.
Dependencies are inferred from the claim text.