VANE PUMP
Number of patents in Portfolio can not be more than 2000
United States of America
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N/A
Issued Date -
Jan 13, 2022
app pub date -
Oct 29, 2019
filing date -
Oct 29, 2019
priority date (Note) -
Published
status (Latency Note)
Importance
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.
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