Hydraulically-actuated switchable one-way clutch
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United States of America Patent
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Oct 27, 2020
Grant Date -
Nov 14, 2019
app pub date -
May 9, 2018
filing date -
May 9, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A switchable one-way clutch (SOWC) is configured to operate in both a freewheeling mode and a one-way clutch mode. The SOWC includes an inner race with a plurality of external cams, and a cylindrical outer race. A plurality of rollers are disposed radially between the inner cams and the outer race. A cage is connected to an outer phaser and includes a plurality of tabs. An inner phaser has a plurality of lobes extending radially outwardly, and the outer phaser has a plurality of inwardly-extending portions. The lobes and the inwardly-extending portions cooperate to define chambers. When fluid is applied to the chambers, the outer phaser rotates relative to the inner phaser. This causes the cage to rotate along with the outer phaser. When the cage rotates, its tabs move away from the rollers, enabling the assembly to function as a one-way clutch.
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