Invention Grant
US08146725B2 Friction plate and wet-type multi-plate clutch having such friction plate
有权
具有这种摩擦片的摩擦板和湿式多片离合器
- Patent Title: Friction plate and wet-type multi-plate clutch having such friction plate
- Patent Title (中): 具有这种摩擦片的摩擦板和湿式多片离合器
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Application No.: US11641020Application Date: 2006-12-19
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Publication No.: US08146725B2Publication Date: 2012-04-03
- Inventor: Tomoyuki Miyazaki , Masahiro Kobayashi
- Applicant: Tomoyuki Miyazaki , Masahiro Kobayashi
- Applicant Address: JP Tokyo
- Assignee: NSK-Warner K.K.
- Current Assignee: NSK-Warner K.K.
- Current Assignee Address: JP Tokyo
- Agency: Miles & Stockbridge P.C.
- Priority: JP2005-366871 20051220
- Main IPC: F16D13/72
- IPC: F16D13/72 ; F16D13/00
Abstract:
The present invention provides a friction plate having a friction surface formed by sticking an annular friction material to a substantially annular core plate and wherein the friction surface is provided with a first oil groove having an opening portion opened to an inner peripheral edge of the friction plate and an end terminating at a point between the inner peripheral edge and an outer peripheral edge, and a second oil groove having an opening portion opened to the outer peripheral edge of the friction plate and an end terminating at a point between the inner peripheral edge.
Public/Granted literature
- US20070199794A1 Friction plate and wet-type multi-plate clutch having such friction plate Public/Granted day:2007-08-30
Information query
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