Fuel flow control supercharged engine
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United States of America Patent
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-
Sep 21, 1982
Grant Date -
N/A
app pub date -
Nov 4, 1980
filing date -
Nov 15, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fuel flow regulation device for a supercharged engine of the type having an injection pump whose piston's bottom position is determined by a moving stop, is disclosed. The fuel flow regulation device consists of a tridimensional cam contacting the stop and movable in an axial and a rotational direction. The axial movement of the cam is provided by a piston rod connected to a pair of pistons, one of which has a smaller diameter than the other by a predetermined amount, in which the pistons are oppositely subjected to engine intake pressure and engine exhaust pressure. The rotational movement of the cam is controlled by a jack subject to the output of a volumetric hydraulic pump actuated by the engine and pumping fluid from the engine cooling system.
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