US 12,331,676 B2
Alternator
Ryo Watanabe, Toyota (JP); Toshiyuki Yano, Nagakute (JP); and Hisao Fukuhara, Okazaki (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Mar. 20, 2024, as Appl. No. 18/610,690.
Claims priority of application No. 2023-122529 (JP), filed on Jul. 27, 2023.
Prior Publication US 2025/0035036 A1, Jan. 30, 2025
Int. Cl. F02B 67/06 (2006.01); F16H 7/02 (2006.01)
CPC F02B 67/06 (2013.01) [F16H 7/02 (2013.01)] 2 Claims
OG exemplary drawing
 
1. An alternator comprising:
a body portion;
a rotating shaft rotatably mounted in the body portion;
a pulley fixed to the rotating shaft;
a belt wrapped around the pulley and configured to cooperate with a crankshaft of an engine; and
a retaining member fixed to the body portion and configured to reduce or eliminate a possibility of the pulley coming off the rotating shaft, wherein:
the retaining member is located away from the rotating shaft and the pulley in an axial direction of the rotating shaft and faces the rotating shaft and the pulley;
a width in the axial direction of the belt is smaller than a width in the axial direction of the pulley;
a distance in the axial direction between the retaining member and the belt is equal to or greater than the width in the axial direction of the pulley; and
a distance in the axial direction between the retaining member and the rotating shaft is smaller than the width in the axial direction of the pulley.