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Class Information
Number: 188/296
Name: Brakes > Internal-resistance motion retarder > Using a rotary-type fluid damper > Driving radial vanes which cause toroidal flow of brake fluid
Description: Device wherein said mechanism turns a shaft having radially extending blades connected to and partly enclosed by a concave shroud, which device has a second concave shroud having radially extending blades therein but not turning; the shrouds being arranged to face one another to enclose a body of fluid which is caused to be moved by the turning blades and retarded by the nonturning blades.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8689952 Damper Apr. 8, 2014
8479896 Hydrodynamic retarder Jul. 9, 2013
8424656 Rotary vane magnetorheological (MR) energy absorber Apr. 23, 2013
8356977 Rotary wing aircraft rotary lead lag damper Jan. 22, 2013
8167100 Damping device May. 1, 2012
8132618 Systems for retarding rod string backspin Mar. 13, 2012
7955227 Bicycle trainer Jun. 7, 2011
7942249 Systems and methods for controlling the stability of a water brake dynamometer May. 17, 2011
7845477 Automotive drive comprising a water-based retarder Dec. 7, 2010
7628258 Steering damper Dec. 8, 2009
7575109 Rotary damper and method for manufacturing rotary damper Aug. 18, 2009
7523817 Torsional vibration damper Apr. 28, 2009
7461683 Curtain rolling buffer apparatus Dec. 9, 2008
7416063 One-way damper and electronic devices using the one-way damper Aug. 26, 2008
7322450 Rotating damper Jan. 29, 2008
7275626 Damper device Oct. 2, 2007
7204353 Rotary damper, auto part having rotary damper and rotational motion assistant mechanism Apr. 17, 2007
7182186 Hydrodynamic brake Feb. 27, 2007
7140271 Damper and an assembly therewith Nov. 28, 2006
7111712 Rotating damper Sep. 26, 2006
7100749 Operating material supply device Sep. 5, 2006
7097013 Hydrodynamic brake Aug. 29, 2006
6923301 Hydrodynamic brake Aug. 2, 2005
6918471 Hydrodynamic brake Jul. 19, 2005
6725984 Rotary damper Apr. 27, 2004
6666252 Winding mechanism Dec. 23, 2003
6561324 Drive unit including a motor and a retarder May. 13, 2003
6450305 Hydrodynamic retarder with thermally compensated balancing ring Sep. 17, 2002
6443210 Winding mechanism Sep. 3, 2002
6394240 Vehicle roll damping May. 28, 2002
6341677 Vehicle rotary suspension damper of composite construction Jan. 29, 2002
6234285 Retarder May. 22, 2001
6213881 Damper device Apr. 10, 2001
6173822 Rotary damper Jan. 16, 2001
6167993 Braking system with a hydrodynamic retarder Jan. 2, 2001
6155328 Winding mechanism Dec. 5, 2000
6092595 Deep drilling and/or well pump system using a hydrodynamic retarder to compensate for restoring torques released in the system Jul. 25, 2000
6082507 Rotary vibration damper Jul. 4, 2000
5988329 Rotary damper Nov. 23, 1999
5944152 Apparatus mountings providing at least one axis of movement with damping Aug. 31, 1999
5944160 Drive unit with a hydrodynamic retarder and transmission Aug. 31, 1999
5873342 Drive unit with internal combustion engine and hydrodynamic retarder Feb. 23, 1999
5862896 Device for dampening the movement of a pivotally supported structural part, for example, a flap in an automobile Jan. 26, 1999
5826687 Anti-roll vehicular suspension system and a hydraulic rotary actuator system in an anti-roll vehicular suspension system Oct. 27, 1998
5819697 Drive unit with internal combustion engine and hydrodynamic retarder Oct. 13, 1998
5791444 Hydraulic rotary actuator such as a rotary actuator for a motor vehicle suspension, and a method for assembling the rotary actuator Aug. 11, 1998
5779008 Drive unit with engine and retarder Jul. 14, 1998
5771997 Braking system in conjunction with a hydrodynamic retarder, specifically for motor vehicles Jun. 30, 1998
5697122 Rotary damper and closure device with such rotary damper Dec. 16, 1997
5657723 Drive unit with internal combustion engine and hydrodynamic retarder Aug. 19, 1997

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