Wet type multiplate clutch
AssigneeNSK-Warner K.K.
InventorsTsuyoshi Hirayanagi, Shigeki Umezawa
Life of this patent
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Abstract
In a wet type multiplate clutch wherein outer tooth plates and inner tooth plates rotatable relative to each other are coaxially alternately disposed and are frictionally engaged with each other, of a plurality of oil grooves having opening portions opening to the inner peripheral edges of frictional materials secured to the inner tooth plates, at least 50 percent of the opening portions are opposed to a lubricant supply hole formed in a hub.
Claims22
A wet type multiplate clutch in which outer tooth plates and inner tooth plates rotatable relative to each other are coaxially alternately disposed and are frictionally engaged with each other, wherein a plurality of oil grooves having opening portions opening to inner peripheral edges of frictional materials secured to said inner tooth plates are provided, and 50% or more of said opening portions are opposed to lubricant supply holes formed in a hub.
A wet type multiplate clutch in which outer tooth plates and inner tooth plates rotatable relative to each other are coaxially alternately disposed and are frictionally engaged with each other, wherein a plurality of oil grooves having opening portions opening to inner peripheral edges of frictional materials secured to said inner tooth plates are provided, 50% or more of said opening portions are opposed to lubricant supply holes formed in a hub, and said lubricant oil supply holes are of the same shape and disposed at equal intervals in said hub, and further wherein particular portions of splines of said inner tooth plates and said hub are of different shapes, and when they are combined together at a position whereat they are combinable, said opening portions of particular ones of said oil grooves are positioned relative to said lubricant supply holes.
Dependencies are inferred from the claim text.