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Class Information
Number: 384/902
Name: Bearings > Cooling or heating > Porous member
Description: The metal member has pores through which lubricant may pass or in which lubricant can be impregnated.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8435018 Cooling fan May. 7, 2013
8303184 Motor pump bearing Nov. 6, 2012
8267589 Bush bearing Sep. 18, 2012
8210749 Powder metal bearing cap breathing windows Jul. 3, 2012
8157656 Bearing assembly Apr. 17, 2012
8132965 Hydrodynamic type oil-impregnated sintered bearing Mar. 13, 2012
8100673 Cooling fan Jan. 24, 2012
8083414 Bush bearing Dec. 27, 2011
8057101 Oil impregnated sintered bearing and manufacturing method thereof Nov. 15, 2011
7998238 Sintered sliding member and connecting device Aug. 16, 2011
7922393 Porous plain bearing with continuous variation of the borehole compression Apr. 12, 2011
7882932 Helicopter transmission Feb. 8, 2011
7870674 Production method for oil-impregnated sintered bearing Jan. 18, 2011
7871200 Aerostatic bearing spindle system using unidirectional porous metal Jan. 18, 2011
7619339 Fluid dynamic bearing assembly for directing bubbles Nov. 17, 2009
7581888 Bearing with lubricant reservoir Sep. 1, 2009
7429132 Hydrostatic air bearing with a porous metal ring Sep. 30, 2008
7387444 Oil-impregnated sintered bearing Jun. 17, 2008
7306374 Special type bearing device Dec. 11, 2007
7287907 Surface densification of powder metal bearing caps Oct. 30, 2007
7249890 Friction bearing composite material with a metal base layer Jul. 31, 2007
7186028 Hydrodynamic bearing device Mar. 6, 2007
7168857 Special type bearing device Jan. 30, 2007
7168858 Surface densification of powder metal bearing caps Jan. 30, 2007
7147378 Low friction, abrasion-resistant bearing materials Dec. 12, 2006
7101087 Sliding member Sep. 5, 2006
7083385 Axial flow fan motor Aug. 1, 2006
7014367 Oil-impregnated sintered sliding bearing Mar. 21, 2006
6951423 Sintered bearing and production method therefor Oct. 4, 2005
6951424 Motor with axially moveable bearing member Oct. 4, 2005
6942388 Bearing structure Sep. 13, 2005
6846109 Sintered bearing and production method therefor Jan. 25, 2005
6799893 Special type bearing device Oct. 5, 2004
6659647 Ceramic dynamic pressure bearing, motor with bearing, hard disk device, and polygon scanner Dec. 9, 2003
6626576 Duplex powder metal bearing caps and method of making them Sep. 30, 2003
6599018 Oil-impregnant sintered bearing and manufacturing method thereof, and motor Jul. 29, 2003
6540404 Sintered plain bearing for engines and gears Apr. 1, 2003
6511225 Calibrated sliding bearing bushing and calibrating tool for producing the sliding bearing bushing Jan. 28, 2003
6505971 Sintered oil retaining bearing and fabrication method thereof Jan. 14, 2003
6415512 Method and apparatus for surface processing of sintered oilless bearing Jul. 9, 2002
6402488 Oil pump Jun. 11, 2002
6398416 Sintered friction bearing for motors and gears Jun. 4, 2002
6357920 Sintered oil retaining bearing and spindle motor for information equipment Mar. 19, 2002
6341421 Production method of porous static-pressure air bearing Jan. 29, 2002
6342306 Bearing material for porous hydrostatic gas bearing and porous hydrostatic gas bearing using the same Jan. 29, 2002
6338575 Self-lubricating bearings and assemblies thereof Jan. 15, 2002
6299424 Sliding member and refrigerating compressor using the same Oct. 9, 2001
6270259 Powdered metal sintered bearing with improved oil flow polygonal interior bore Aug. 7, 2001
6244749 Dynamic pressure bearing device and method for manufacturing same Jun. 12, 2001
6223437 Method for fabricating a friction bearing, and friction bearing May. 1, 2001

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