Dual pump/dual bypass fuel pumping system
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United States of America Patent
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Feb 10, 2015
Issued Date -
N/A
app pub date -
Jan 18, 2013
filing date -
Jan 18, 2013
priority date (Note) -
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Abstract
An example dual pump/dual bypass fuel pumping assembly may include a dual bypass valve including a first inlet port, a second inlet port, and a movable spool arranged to modulate fuel flow from the first inlet port to a first bypass port and a first discharge port and arranged to modulate fuel flow from the second inlet port to a second bypass port and a second discharge port based on a position of the movable spool; a first pump arranged to supply fuel to the first inlet port; a second pump arranged to supply fuel to the second inlet port; a supply header arranged to supply fuel to the first pump and the second pump; a bypass header fluidicly coupled to the first bypass port, the second bypass port, and the supply header; and/or a discharge header fluidicly coupled to the first discharge port and the second discharge port.
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