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Class Information
Number: 192/113.36
Name: Clutches and power-stop control > Elements > Lubricating, insulating, or cooling > Liquid cooled or lubricated clutch surfaces > Lubricant or coolant between engaging surfaces > Grooved surfaces
Description: Structure, wherein the engagable clutch surfaces are striated to facilitate lubricant or coolant flow.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8701854 Friction plates and various methods of manufacture thereof Apr. 22, 2014
8662275 Synchronizing ring of a synchronizing device Mar. 4, 2014
8657088 Lock-up clutch Feb. 25, 2014
8567584 Friction plate with pressed core plates Oct. 29, 2013
8556051 Clutch assembly and force transmission device with a clutch assembly Oct. 15, 2013
8500591 Final drive arrangement Aug. 6, 2013
8474590 Frictional part with a zig-zag or undulating circumferential groove in the frictional surface Jul. 2, 2013
8424664 Friction part for a frictionally acting device Apr. 23, 2013
8408372 Multidisk oil-bath clutch Apr. 2, 2013
8327992 Friction plate and wet-type multi-plate clutch having such friction plate Dec. 11, 2012
8286773 Frictional engagement apparatus Oct. 16, 2012
8205734 Friction disk for a wet-running clutch for a motor vehicle Jun. 26, 2012
8167107 Wet clutch May. 1, 2012
8162123 Friction plate for wet-type multiplate clutch Apr. 24, 2012
8157071 Clutch for a transmission Apr. 17, 2012
8157075 Wet friction material Apr. 17, 2012
8146725 Friction plate and wet-type multi-plate clutch having such friction plate Apr. 3, 2012
8113330 Friction disk for a wet-running clutch for a motor vehicle Feb. 14, 2012
8061498 Wet clutch friction plate Nov. 22, 2011
8051968 Clutch unit including a wet clutch Nov. 8, 2011
7984801 Friction plate for wet multi-plate clutch Jul. 26, 2011
7980375 Friction plate for wet-type multiplate clutch Jul. 19, 2011
7958984 Friction plate for wet-type multiplate clutch Jun. 14, 2011
7931134 Clutch for a transmission Apr. 26, 2011
7886885 Clutch for a transmission Feb. 15, 2011
7823714 Friction plate for wet-type multiplate clutch Nov. 2, 2010
7815028 Clutch plate, friction clutch, and coupling device Oct. 19, 2010
7798301 Segmented core plate and friction disc Sep. 21, 2010
7789209 Friction plate and wet-type multi-plate clutch Sep. 7, 2010
7775336 Friction engagement device Aug. 17, 2010
7766144 Clutch plate with internal fluid channels Aug. 3, 2010
7721865 Segment-type friction material May. 25, 2010
7677375 Drive force transmission device Mar. 16, 2010
7650977 Friction plate for wet-type multi-plate clutch Jan. 26, 2010
7597180 Friction plate for wet-type multiplate clutch Oct. 6, 2009
7513346 Power transmission device Apr. 7, 2009
7513345 Slip clutch cooling configuration Apr. 7, 2009
7481305 Lock-up mechanism for torque converter Jan. 27, 2009
7455162 Friction lining plates Nov. 25, 2008
7448483 Clutch cooling grooves for uniform plate temperature in friction launch Nov. 11, 2008
7392889 Hydrodynamic clutch device Jul. 1, 2008
7392891 Friction plate for wet-type multiplate clutch Jul. 1, 2008
7389861 Hydrodynamic clutch device Jun. 24, 2008
7357233 Torque converter with a lock-up clutch assembly having a floating friction disk Apr. 15, 2008
7264101 Start-up clutch and torsional-vibration damper assembly Sep. 4, 2007
7249663 Wet clutch friction plate and method Jul. 31, 2007
7234580 Method for optimizing groove structure of friction plate of wet type friction engagement apparatus Jun. 26, 2007
7172062 Friction plate for wet type multiplate clutch Feb. 6, 2007
7168544 Friction facing material for use in a friction environment Jan. 30, 2007
7165664 Wet-type segmented friction material and its manufacturing method Jan. 23, 2007

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