HIGH PRESSURE ELETROHYDRAULIC VALVE ACTUATOR
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United States of America Patent
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N/A
Issued Date -
Mar 19, 2015
app pub date -
Sep 16, 2013
filing date -
Sep 16, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method for operating a valve for an engine utilizing a high pressure actuating fluid that is used in the operation of fuel injectors. A pump may be used to increase the pressure of the actuating fluid, such as, for example, to 4000 psi. At least a portion of this high pressure actuating fluid may be delivered to a fuel injector. Additionally, at least a portion of the pressure actuating fluid may be delivered to an electro-hydraulic actuator. According to certain embodiments, the flow of the high pressure actuating fluid to the actuator may be controlled by spool valve. The spool valve may be part of the actuator. The use of the high pressure actuating fluid to operate the actuators may allow for a reduction in the actuators' size, which may allow for the actuator to be located in the valve.
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