Title:
ELECTROMAGNETIC ACTUATOR CONTROLLER, HIGH-PRESSURE FUEL PUMP AND INJECTOR
Document Type and Number:
Japanese Patent JP2021032178
Kind Code:
A
Abstract:
To provide a method for detecting valve closing even in a holding current period, controlling a suction valve based on the detection, and realizing noise reduction.SOLUTION: An electromagnetic actuator controller comprises a calculation unit that controls a mover by controlling a current flowing through a coil so as to change within a certain range. The calculation unit controls the current flowing through the coil so that the frequency of the current flowing through the coil is equal to or higher than a setting value and the timing of change falls within a setting range.SELECTED DRAWING: Figure 2
Inventors:
AONO TOSHIHIRO
MUKAIHARA OSAMU
TOKUO KENICHIRO
ARITOMI TOSHIAKI
ITABANE FUMIHIRO
OKI KOTARO
MUKAIHARA OSAMU
TOKUO KENICHIRO
ARITOMI TOSHIAKI
ITABANE FUMIHIRO
OKI KOTARO
Application Number:
JP2019154967A
Publication Date:
March 01, 2021
Filing Date:
August 27, 2019
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
F02M51/06; F02M59/36; F16K31/06; H01F7/18
Attorney, Agent or Firm:
Wilfort International Patent Office