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US 2015/0308394 A1Published application
Piston Fuel Pump for an Internal Combustion Engine
AssigneeRobert Bosch GmbH
InventorsSiamend Flo, Markus Hilligardt, Heiko Jahn, Franz Elischer, Cornelia Giessler, Bernd Koch
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Abstract
A piston fuel pump for an internal combustion engine includes a pump cylinder and a pump piston slidably accommodated in the pump cylinder. The piston fuel pump has a supporting and sealing assembly for the pump piston. The supporting and sealing assembly includes a guiding region configured to axially guide the pump piston in the pump cylinder and a sealing region having a sealing lip.
Claims12
A piston-type fuel pump for an internal combustion engine, the piston-type fuel pump comprising:
- a pump cylinder;
- a pump piston configured to be displaceably received in the pump cylinder;
- and
- a mounting and sealing arrangement including:
- a guide region configured to axially guide the pump piston in the pump cylinder, and
- a sealing region having a sealing lip.
3 more elements
Dependencies are inferred from the claim text.