Crowell & Moring LLP
Controlling apparatus of variable capacity type fuel pump and fuel supply system
A controlling apparatus of a variable capacity type fuel pump, for avoiding noises caused due to drive of the fuel pump and noises caused due to drive of injectors from overlapping or duplicating with each other in the timing thereof, wherein signals for driving the pump reduced, or the timing thereof is shifted forward/backward, within a specific timing where the o overlapping can be prospected, or a specific timing where they are determined to overlap or duplicate with each other.
Hitachi, Ltd.
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Satoshi Hiroyuki Kenichiro
Usui Yamada Tokuo