(19)
(11) EP 2 028 365 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.05.2010 Bulletin 2010/20

(43) Date of publication A2:
25.02.2009 Bulletin 2009/09

(21) Application number: 08014722.6

(22) Date of filing: 19.08.2008
(51) International Patent Classification (IPC): 
F02N 15/02(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 20.08.2007 JP 2007213970

(71) Applicant: DENSO CORPORATION
Kariya-city, Aichi-pref. 448-8661 (JP)

(72) Inventor:
  • Shoji, Yoichi
    Aichi-pref., 448-8661 (JP)

(74) Representative: Kuhnen & Wacker 
Patent- und Rechtsanwaltsbüro Prinz-Ludwig-Strasse 40A
85354 Freising
85354 Freising (DE)

   


(54) Starting device for engines


(57) A starting device for engines (1) comprises a first rotor (2), a second rotor (3) and a one-way clutch (4). The one-way clutch (4) comprises a clutch inner (41) independently or integrally formed with the first rotor (2) and fixed to the first rotor (2); a clutch outer (42) disposed in an outer circumference side of the clutch Inner (41) and fixed to the second rotor (3); and a clutch engaging member (43) disposed in a space formed between the clutch Inner (41) and the clutch outer (42). A seal member (5) is disposed between the clutch-engaging member (43) and the first rotor (2), and between the clutch outer (42) and the clutch Inner (41). The seal member (5) comprises an outer circumference contacting an inner circumference of the clutch outer (42) and an inner circumference contacting an outer circumference of the clutch inner (41). Either the outer circumference side or the inner circumference side is fixed, while the other side is left free and provided with a lip portion (5a).







Search report