Lock-up clutch of fluid transmission device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 15, 2003
Grant Date -
Jan 31, 2002
app pub date -
Apr 26, 2001
filing date -
Apr 27, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lock-up clutch of a torque converter includes an annular clutch outer mounted in a side cover, a clutch inner connected to a turbine impeller, a driving friction plate axially movably connected to the clutch outer, first and second follower friction plates connected to the clutch inner for movement toward and away from each other with the driving friction plate interposed therebetween, an inner chamber defined between the first and second follower friction plates, and an outer chamber faced by outer sides of the first and second follower friction plates. When the inside of the outer chamber is put at a pressure higher than that in the inner chamber, the follower friction plates are brought into pressure contact with the driving friction plate, and an urging force on the follower friction plates is not applied to the side cover.
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