Electrically controlled fuel injection pump for internal combustion engines in particular unit fuel injector

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5402944
SERIAL NO

07752495

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An electrically controlled fuel injection pump for internal combustion engines having a pump piston disposed and guided in a pump housing and defining a pump chamber and in its pumping stroke pumping fuel, delivered to this pump work chamber by a feed pump to an injection nozzle as long as a quantity control valve blocks the flow of the fuel otherwise overflowing from the pump work chamber via a metering line to a low-pressure chamber. A housing part receiving the quantity control valve and projecting laterally from the pump housing at the level of the pump housing, into which part the metering line leading to the pump work chamber extends, wherein lateral recesses on the projecting housing part are provided, which are engaged in forked fashion by a fastening cuff for the quantity control valve. The fastening cuff being provided with an internal thread and cooperating with a screw sleeve having an external thread.

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Patent Owner(s)

  • ROBERT BOSCH GMBH

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pape, Werner Lyons, FR 9 109
Rossignol, Francois Mornant, FR 23 310

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