(19)
(11) EP 2 787 191 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
21.01.2015 Bulletin 2015/04

(43) Date of publication A2:
08.10.2014 Bulletin 2014/41

(21) Application number: 14162796.8

(22) Date of filing: 31.03.2014
(51) International Patent Classification (IPC): 
F01P 7/16(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 02.04.2013 JP 2013077260

(71) Applicant: Yamada Manufacturing Co., Ltd.
Kiryu-shi Gunma-ken 376-8585 (JP)

(72) Inventors:
  • Tasaki, Takahiro
    Gunma, 376-8585 (JP)
  • Kabasawa, Nobuyuki
    Gunma, 376-8585 (JP)
  • Iizuka, Yoshiaki
    Gunma, 376-8585 (JP)
  • Wakabayashi, Keisuka
    Gunma, 376-8585 (JP)

(74) Representative: Skone James, Robert Edmund 
Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street
London EC2A 2ES
London EC2A 2ES (GB)

   


(54) Control apparatus of electric water pump


(57) A control apparatus of an electric water pump (3) of the present invention is configured by an engine control unit (2) on a side of an engine and an electric water pump in a cooling water circulating circuit of the engine. The engine control unit (2) transmits signals of a measured water temperature and a target water temperature of the engine, and the electric water pump (3) includes a drive control unit (33) for executing control of adjusting a flow rate of the water pump on the basis of the signals of the measured water temperature and the target water temperature.







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