(19)
(11) EP 2 706 219 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.01.2016 Bulletin 2016/04

(43) Date of publication A2:
12.03.2014 Bulletin 2014/11

(21) Application number: 13166807.1

(22) Date of filing: 07.05.2013
(51) International Patent Classification (IPC): 
F02M 37/10(2006.01)
 F02M 37/22(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: 05.09.2012 JP 2012195387

(71) Applicant: Yamaha Hatsudoki Kabushiki Kaisha
Iwata-shi, Shizuoka-ken 438 (JP)

(72) Inventors:
  • Someya, Akira
    Shizuoka-ken, 438-8501 (JP)
  • Nemoto, Shinichi
    Shizuoka-ken, 438-8501 (JP)
  • Sakakibara, Takatomo
    Shizuoka-ken, 438-8501 (JP)
  • Tokitou, Takamasa
    Shizuoka-ken, 438-8501 (JP)

(74) Representative: Zimmermann, Tankred Klaus 
Schoppe, Zimmermann, Stöckeler Zinkler, Schenk & Partner mbB Patentanwälte Radlkoferstrasse 2
81373 München
81373 München (DE)

   


(54) Fuel pump unit and vehicle


(57) A fuel pump unit (20) includes a case (31), a partition portion (32), an inlet port (44) and a fuel pump (33). The case (31) includes a discharge port (37) from which a fuel is discharged and a return port (38) to which an excess fuel is returned. The partition portion (32) divides an inner space (35) of the case (31) into a return fuel chamber (39) and a main fuel chamber (40). The return port (38) is disposed in the return fuel chamber (39). The main fuel chamber (40) is communicated with the outside of the case (31). The inlet port (44) is disposed within the return fuel chamber (39). The fuel pump (33) is configured to inhale the fuel through the inlet port (44) and discharge the fuel through the discharge port (37).







Search report









Search report