(19)
(11) EP 1 340 915 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.05.2004 Bulletin 2004/20

(43) Date of publication A2:
03.09.2003 Bulletin 2003/36

(21) Application number: 03004150.3

(22) Date of filing: 26.02.2003
(51) International Patent Classification (IPC)7F04C 11/00, F04C 2/344
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR
Designated Extension States:
AL LT LV MK RO

(30) Priority: 27.02.2002 JP 2002050873

(71) Applicant: TOYODA KOKI KABUSHIKI KAISHA
Kariya-shi Aichi-ken (JP)

(72) Inventor:
  • Kondo, Hirokazu
    Kariya-shi, Aichi-ken (JP)

(74) Representative: Trösch, Hans-Ludwig 
Patentanwälte Tiedtke-Bühling- Kinne & Partner (GbR) Bavariaring 4
80336 München
80336 München (DE)

   


(54) Pump device and reservoir


(57) A pump device unifying a reservoir is disclosed. The pump device comprises a pump housing, a bracket, bolts and nuts. The pump housing comprises a front and a rear housing. The bracket is attached to the reservoir at one end thereof. The bolt has a bolt head at an intermediate portion thereof, a first thread portion formed on one side thereof and a second thread portion formed on the other side thereof, which a diameter of the first thread portion is larger than the same of the second thread portion. The nut engages to the second thread portion. The rear housing is secured to the front housing by screwing the first thread portion to the front housing through the rear housing. The nut is screwed to the second thread portion so that the other end of the bracket is fixed between the bolt head and the nut.







Search report