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Class Information
Number: 415/123
Name: Rotary kinetic fluid motors or pumps > Including shaft transmission train, brake, clutch, or attendant actuated drive means > Brake or clutch
Description: Apparatus comprising means to (1) connect or disconnect the runner* supporting shaft* to a driven or driving shaft* or (2) retard, stop, or prevent movement of the runner* or its supporting shaft*.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8690526 Hydroelectric turbine with passive braking Apr. 8, 2014
8684672 Brake system with expansion absorbing means, generator and wind turbine Apr. 1, 2014
8657566 Turbine engine including a reversible electric machine Feb. 25, 2014
8641360 Method for braking a rotor of a turbine engine and a turning gear for driving the rotor of a turbine engine Feb. 4, 2014
8622712 Sprinkler-compatible ceiling fans Jan. 7, 2014
8550769 Wind turbine with a yaw system and method for the yaw adjustment of a wind turbine Oct. 8, 2013
8517671 Wind turbine generator Aug. 27, 2013
8419351 Rotation arrangement Apr. 16, 2013
8328502 Torque converter having stator with cast-in side plate Dec. 11, 2012
8317462 System for actively monitoring wear on wind turbine brake pads and related methods Nov. 27, 2012
8257026 Expansion turbine Sep. 4, 2012
8206111 Adjustable, self-aligning rotor locking device for an aerogenerator Jun. 26, 2012
8161727 System providing braking in a gas turbine engine in the event of the turbine shaft breaking Apr. 24, 2012
8162596 Support device for high pressure pumps usable in or on the deck of a marine vessel Apr. 24, 2012
8128340 Stacked self-priming pump and centrifugal pump Mar. 6, 2012
8123458 Stacked self-priming pump and centrifugal pump Feb. 28, 2012
8118542 Method of moving the rotating means of a wind turbine during transportation or stand still, method of controlling the moving of the rotating means, nacelle, auxiliary device, control and monit Feb. 21, 2012
8061448 Hydraulic braking device for turbine, turbine equipped with such a device and drilling equipment comprising such a turbine Nov. 22, 2011
8061999 Spinner-less hub access and lifting system for a wind turbine Nov. 22, 2011
8047770 Methods and systems for providing variable mechanical brake torque Nov. 1, 2011
8043074 Blood pump device Oct. 25, 2011
8007227 Mechanical emergency brake for wind turbines and method for operating same Aug. 30, 2011
7891941 Wind turbine having a direct-drive drivetrain Feb. 22, 2011
7862292 Horizontal motion wave power generator Jan. 4, 2011
7721434 Methods and apparatus for replacing objects on horizontal shafts in elevated locations May. 25, 2010
7722312 Fuel cell compressor system May. 25, 2010
7553132 Micro device incorporating programmable element Jun. 30, 2009
7547185 Output shaft air/oil separator to redundantly protect against output shaft o-ring leakage Jun. 16, 2009
7458776 Wind turbine yawing system, wind turbine and yawing process Dec. 2, 2008
7452181 Plant facility Nov. 18, 2008
7384239 Drive device for a windmill provided with two counter-rotative propellers Jun. 10, 2008
7364399 Wind power plant of cyclone type and method of obtaining energy from such Apr. 29, 2008
7309208 Turning gear drive system Dec. 18, 2007
7306426 Protection mechanism for flow inducing device Dec. 11, 2007
7118344 Wind power plant for generating energy Oct. 10, 2006
7066709 Wind driven power generating system Jun. 27, 2006
7040860 Uni-directional impeller, and impeller and rotor assembly May. 9, 2006
6971840 Method of enhancing the aerodynamic performance of a fan Dec. 6, 2005
6860720 Rotary drive used in conjunction with a mechanical and self-energizing coupling system Mar. 1, 2005
6644420 Compressed air tool Nov. 11, 2003
6629816 Non-contacting clearance seal for high misalignment applications Oct. 7, 2003
6623238 Air turbine starter with seal assembly Sep. 23, 2003
6582184 Turbine controls testing device Jun. 24, 2003
6577033 Stator Jun. 10, 2003
6551053 Hydro-electric generator Apr. 22, 2003
6422814 Fan brake for removable module Jul. 23, 2002
6312215 Turbine engine windmilling brake Nov. 6, 2001
6250882 Portable working machine provided with a centrifugal air blower Jun. 26, 2001
6176675 Yawing device and wind power plant comprising a yawing device Jan. 23, 2001
6148605 Method and device for reversing the thrust of very high bypass ratio turbojet engines Nov. 21, 2000

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