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Class Information
Number: 188/165
Name: Brakes > Operators > Electric > Electromagnet > Magnetic circuit > Rail-engaging
Description: Devices in which one of the frictionally engaging elements is a rail.

Patents under this class:

Patent Number Title Of Patent Date Issued
8281906 Braking apparatus Oct. 9, 2012
8281723 Vehicle having an eddy current brake for a rail-borne transportation system, and a transportation system which is operated therewith, in particular a magnetic levitation train Oct. 9, 2012
8033365 Magnetic rail brake device with asymmetric excitation coils and/or with multi-part coils Oct. 11, 2011
8025131 Eddy current braking system for trolley zip line cable with a stationary conductor Sep. 27, 2011
7984796 Motion retarding system and method Jul. 26, 2011
7866449 Magnetic rail brake device Jan. 11, 2011
7806242 Magnetic rail brake device Oct. 5, 2010
6953107 Magnet track braking device Oct. 11, 2005
6918469 Curvilinear eddy current braking apparatus Jul. 19, 2005
6769517 Suspension for a rail brake Aug. 3, 2004
6659237 Eddy current brake Dec. 9, 2003
6648108 Sintered material for a magnetic track brake Nov. 18, 2003
6533083 Eddy current braking apparatus Mar. 18, 2003
6523650 Permanent magnet eddy brake with flux-steering poles Feb. 25, 2003
6412611 Eddy current brake system with dual use conductor fin Jul. 2, 2002
6364072 Sintered material for a magnetic track brake Apr. 2, 2002
6293376 Apparatus including eddy current braking system Sep. 25, 2001
6227334 Elevator governor checking and adjusting method May. 8, 2001
6131704 Elevator rail brake Oct. 17, 2000
6041897 Magnetic brake linear eddy current brake Mar. 28, 2000
5979610 Rail brake device having permanent magnetic energization Nov. 9, 1999
5862891 Electromagnetic or permanent-magnetic rail brake Jan. 26, 1999
5647458 Magnetic rail brake device Jul. 15, 1997
5628385 Elevator overspeed protection apparatus May. 13, 1997
5467850 Permanent magnet, magnetodynamic safety brake for elevators and the like Nov. 21, 1995
5316109 Lockdown apparatus with intermediate membrane May. 31, 1994
5111916 Apparatus for engaging and disengaging a permanent-magnet slipper brake May. 12, 1992
5018605 Magnetic rail brake device May. 28, 1991
4484666 Electromagnetic sliding shoe brake Nov. 27, 1984
4482034 Switchable permanent magnet brake Nov. 13, 1984
4480727 Electromagnetic track brake for a railway vehicle Nov. 6, 1984
4341290 Device for automatically controlling the braking force of an eddy current and/or friction track brake Jul. 27, 1982
4299312 Electromagnetic track brake for a railway vehicle Nov. 10, 1981
4144954 Electromagnetic rail brake for railway vehicles Mar. 20, 1979
4122922 Infinitely variable wear-free eddy current and/or hysteresis brake, preferably for track-bound vehicles Oct. 31, 1978
4030579 Lineal lock for X-ray apparatus Jun. 21, 1977
3998166 Multi-rail system and method of installation Dec. 21, 1976
3995724 Centering device for a rail brake magnet unit Dec. 7, 1976
3958669 Resiliently supported magnetic rail-brake suspension device May. 25, 1976
3940185 Centering device for rail brake magnets on vehicles Feb. 24, 1976
3931869 Braking device for railroad bogie running at high speed Jan. 13, 1976

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