Title:
ELECTRIC PUMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/093677
Kind Code:
A1
Abstract:
[Problem] To provide an electric pump device in which it is possible to minimize the amount of vibrations and noise generated. [Solution] An electric oil pump ECU performs a pressure-reduction control in which the hydraulic pressure Po supplied from an oil pump gradually decreases when the hydraulic pressure Po is lowered in concert with an increase in the hydraulic pressure supplied from a main pump driven by an engine.
Inventors:
IMAI FUKAMI (JP)
UDA KENGO (JP)
UDA KENGO (JP)
Application Number:
PCT/JP2012/050034
Publication Date:
July 12, 2012
Filing Date:
January 04, 2012
Export Citation:
Assignee:
JTEKT CORP (JP)
IMAI FUKAMI (JP)
UDA KENGO (JP)
IMAI FUKAMI (JP)
UDA KENGO (JP)
International Classes:
F04B49/06; F04B49/02
Foreign References:
| JP2002310272A | 2002-10-23 | |||
| JPH05180159A | 1993-07-20 | |||
| JP2002031064A | 2002-01-31 | |||
| JPH1070896A | 1998-03-10 | |||
| JPS6443224A | 1989-02-15 | |||
| JP2001041067A | 2001-02-13 | |||
| JP2010078088A | 2010-04-08 |
Attorney, Agent or Firm:
UENO, HIDEKI (JP)
Ueno Hideki (JP)
Ueno Hideki (JP)
Download PDF:
Claims:
Previous Patent: SAFE-END PIPE WELDING METHOD, FIXING JIG, AND WELDING DEVICE
Next Patent: ELECTRIC PUMP APPARATUS
Next Patent: ELECTRIC PUMP APPARATUS