公开(公告)号：US20220010795A1

公开(公告)日：2022-01-13

申请号：US17283668

申请日：2019-10-29

Applicant: KYB Corporation

Inventor： Yusuke OHMORI ,  Tomoyuki NAKAGAWA ,  Masamichi SUGIHARA ,  Atsumi TAKAHASHI ,  Satoshi WATANABE

IPC: F04C2/067

Abstract: A vane pump includes: a rotor; vanes freely slidably received in the rotor; a cam ring having a cam face with which the vanes come into sliding contact; a side member having a sliding contact surface with which side surfaces of the rotor and the vanes come into sliding contact; pump chambers; and a discharge port configured to guide working fluid discharged from the pump chambers. The side member has a guide surface that is provided on an end portion side of the opening portion, the guide surface being configured to push the end portions of the vanes upward and guide them toward the sliding contact surface of the side member as the rotor is rotated in the reverse rotation direction.