Pump, in particular a high-pressure fuel pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10125749
APP PUB NO 20170342969A1
SERIAL NO

15535756

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A pump has at least one pump element that comprises a pump piston that is driven in a reciprocating movement by a drive shaft having at least one cam and that defines a pump working chamber which, during the suction stroke of the pump piston is selectively filled with pumped medium via an inlet valve. The at least one cam is a multiple cam having multiple cam delivery areas for the delivery strokes of the pump piston. The inlet valve is configured to be electrically actuated. The inlet valve is closed when the pump piston is situated in the cam delivery area to be used for the delivery. The inlet valve is opened when the pump piston is situated in a cam delivery area that is not to be used for the delivery. Cam profiles of the cam delivery areas of at least one multiple cam are of different design.

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Patent Owner(s)

Patent OwnerAddress
ROBERT BOSCH GMBHPOSTFACH 30 02 20 70442 STUTTGART

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mueller, Otto Eberdingen, DE 9 28
Schneck, Juergen Feuerbach, DE 1 2
Woesten, Georg Schwieberdingen, DE 1 2

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