Title:
HYDRAULIC SUPPLY DEVICE
Document Type and Number:
Japanese Patent JP2017203472
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a hydraulic supply device capable of suppressing the loss of a motor oil pump assisting a main pump while suppressing the loss of the main pump to be driven by a vehicle driving source.SOLUTION: A hydraulic supply device 10 includes: a mechanical oil pump 13 to be driven by an engine 101 mounted on a vehicle; first and second motor oil pumps 14a, 14b each having an electric motor part 3 and a pump 2 combined; an oil path 10d capable of supplying part of operating oil 12 discharged from the mechanic oil pump 13 to the second motor oil pump 14b; and an ECU 17 for performing control to drive the first motor oil pump 14a utilizing electric power generated with the second motor oil pump 14b reversely rotated by the operating oil 12 supplied to the second motor oil pump 14b.SELECTED DRAWING: Figure 1
Inventors:
IIMURA DAISUKE
Application Number:
JP2016093917A
Publication Date:
November 16, 2017
Filing Date:
May 09, 2016
Export Citation:
Assignee:
JTEKT CORP
International Classes:
F16H61/00; F15B11/02; F16H63/50
Attorney, Agent or Firm:
Tadao Hirata
Takashi Nomiyama
Hiroyuki Ito
Takashi Nomiyama
Hiroyuki Ito