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Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

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Class 192/21.5 - FIELD RESPONSIVE FRICTIONAL MEDIA TYPE


Subclass of Class 192 - Clutches and power-stop control
Definition: Devices wherein torque is transmitted or absorbed between
No. of patents: 193
Last issue date: 03/06/2012


1          
NumberTitleIssue Date
8127907Marine transmission using rheological fluids
A marine transmission provides first and second drive gears that have first and second driving surfaces in contact with first and second quantities of rheological fluid. First and second driven surfaces of a propeller shaft are also in contact with the rheological f...
03/06/2012
8100238Magnetorheological clutch
A magnetorheological clutch includes a primary part, a secondary part and a magnet for the generation of a magnetic field. The primary part and the secondary part are rotatable relative to one another around an axis of rotation of the clutch, with the primary part b...
01/24/2012
8056687Apparatus with active material surface in contact with rheological fluid and method of enhancing performance thereof
An apparatus is provided having an active material forming a surface thereof in contact with a rheological fluid. The active material is controllable to vary a surface geometry thereof between a rough or nonsmooth surface geometry to increase drag, and achieve an in...
11/15/2011
7870939Magnetorheological clutch
A magnetorheologic clutch includes a stationary part, a rotatable primary part having primary discs, a secondary part having secondary discs, and a chamber containing magnetorheologic fluid formed between the primary and secondary parts that is exposed to an adjusta...
01/18/2011
7828129Magnetorheological clutch having lamination bands
A magnetorheological clutch comprises a stationary part, a rotating primary part with primary laminated strips and a secondary part with secondary laminated strips, whereby a controllable magnetic field acts upon the magnetorheological fluid. The aim of the inventio...
11/09/2010
7690487Vehicle differential including pump with variable engagement clutch
A vehicle differential assembly is provided that includes a differential driven by an input and adapted to allow differing rotational speed between a pair of outputs. The differential includes a gear assembly connected to the outputs and a hydraulically-actuated clu...
04/06/2010
7588131Magnetorheological clutch
Disclosed is a magnetorheological clutch comprising a stationary part (1), a rotating primary part (2) with primary lamellae (7), and a coaxially rotating secondary part (3) with secondary lamellae (20). An adjustable magnetic fiel...
09/15/2009
7490707Magnetorheological fan coupling
A magnetorheological fan coupling (10) having a fan-drive subassembly (12), an electromagnet subassembly (14), and a magnetic medium (16). The fan-drive subassembly (12) includes an output member (22) and an input member (
02/17/2009
7467697Electromagnetic coupling device for engine accessories
A system and method for controlling a plurality of accessories associated with a multiple cylinder internal combustion engine having the accessories coupled to an engine crankshaft by an electromagnetic coupling device with a flowable magnetic material disposed betw...
12/23/2008
7461731Magnetorheologic clutch
A magnetorheological clutch comprises a stationary part (1), of a rotatable primary part (2) with primary lamellae (3) and of a secondary part (8) with secondary lamellae (17) which surrounds the primary part (2), there bein...
12/09/2008
7422093Magneto-rheological coupling
A magneto-rheological coupling (MRC) having an input assembly and an output member. The output member includes a generally cylindrical drum portion and a hub portion extending radially inwardly therefrom. The generally cylindrical drum portion has a low magnetically...
09/09/2008
7364025Magnetorheological fan coupling
A magnetorheological fan coupling (10) having an inverted construction with an input member (18) rotatably mounted to an output member (20). The input member (18) defines a fluid chamber (50) with the output member (20) rota...
04/29/2008
7354528Magnetorheological fluid compositions
A magnetorheological fluid composition comprising a low aspect ratio magnetizable particle comprising a unimodal particle distribution and an aspect ratio less than 1.5, a high aspect ratio magnetizable particle comprising an aspect ratio greater than 1.5, and a car...
04/08/2008
7334670Torque vectoring differential for controlling vehicle stability
A magnetorheological (MR) fluid coupling for vectoring torque with respect to a shaft capable of rotary motion is disclosed. The coupling includes a stator, a rotor having a rotational degree of freedom with respect to the stator and configured for physical communic...
02/26/2008
7325663Magnetorheologic clutch
A magnetorheological clutch comprises a stationary part (1), of a rotatable primary part (2) with primary lamellae (3) and of a secondary part (8) with secondary lamellae (17) which surrounds the primary part (2), there bein...
02/05/2008
7311185Method for thermal management for a controllable viscous fan drive
The present invention provides a method of controlling thermal energy within a fan drive. The fan drive includes an input member rotating at an input speed, and an output member attached to the fan and rotating at a fan speed, with a viscous fluid disposed therebetw...
12/25/2007
7306083Magnetorheological fluid device
A device employing a magneto rheological (MR) fluid in combination with a stator and a rotor is disclosed, where the stator includes a magnetic field generator. The rotor has a rotational axis and a rotational degree of freedom with respect to the stator. The stator...
12/11/2007
7294947Apparatus for transferring torque magnetically
An apparatus for transferring torque magnetically with a primary rotary member and a secondary rotary member. The primary rotary member has permanent magnets, the secondary rotary member with electro-conductive materials. The secondary rotary member also having magn...
11/13/2007
7278522Controllable motion damper
A controllable motion damper with a damping piston separating two damping chambers from each other in a damping cylinder. A damping valve is disposed in a connecting channel of the two damping chambers with the transmissivity of the damping valve for a damping fluid...
10/09/2007
7261176Articulated vehicle suspension system shoulder joint
An articulated vehicle suspension system shoulder joint is disclosed. A vehicle includes a plurality of wheel assemblies; a plurality of rotating shoulder joints, each wheel assembly being mounted to a respective one of the shoulder joints and rotatable in a plane b...
08/28/2007
7262595Segmented core for an inductive proximity sensor
An inductive proximity sensor for sensing the presence of target based on a change of inductance in the sensor. The sensor includes a coil and a core formed of a permeable material so as to form an electromagnetic field when the coil is electrically driven. The core...
08/28/2007
7257947Power steering system
A power steering system for a vehicle includes a hydraulic pump interconnected with a power steering gear and a fluid coupling that operatively connects a drive shaft of an engine of the vehicle with the hydraulic pump. The power steering system also includes an ele...
08/21/2007
7243768Clutch having a variable viscosity fluid
A clutch (A,B) includes a cam (20,70) and a rotor (22,74), both of which revolve around a common axis (X). The cam has a camming surface (30,72) provided with lobes (32), whereas the rotor carries pistons (26,80) which bear against...
07/17/2007
7240485Power steering system
A power steering system for a vehicle includes a hydraulic pump connected to a power steering gear of the vehicle and a fluid coupling interconnecting a drive shaft of an engine of the vehicle with the hydraulic pump. The power steering system also includes an elect...
07/10/2007
7225905Magnetorheological fluid damper
A magnetorheological damper device is provided having an increased shear interface area per unit volume of device, which enhances the stroking force of the damper. The damper generally includes a thrust shaft comprising an external threaded surface in threaded commu...
06/05/2007
7216723Pulse torque generator and power tool having the same
A pulse torque generator utilizing a magnetic coupling, and an electric power tool provided with the pulse torque generator. The pulse torque generator includes an input shaft extending in its axial direction and having a hollow section providing a hollow space, and...
05/15/2007
7156724Method and apparatus for forming a dynamic magnetic seal using magnetorheological fluid
An arcuate, preferably cylindrical, magnetic shunt bar supports a plurality of pin magnets having alternate north and south orientations, defining a ring-shaped array of magnets of alternating orientation. The magnet free ends opposite the shunt bar are positioned t...
01/02/2007
7137496Parallel field electrode configurations for electrorheological fluid applications
The present invention provides novel configurations for the electrodes in a range of applications for ER fluids. The electrodes are configured so that they generate an electrical field a significant portion of which extends parallel to any anticipated applied force ...
11/21/2006
7129609Magneto-fluidic seal with wide working temperature range
A magneto-fluidic seal includes a shaft; a sleeve surrounding the shaft; a housing made of soft magnetic material surrounding the sleeve; a magnet conducting a magnetic flux to the sleeve; and a magnetic fluid in a gap between the sleeve and the shaft, and/or in a g...
10/31/2006
7086515Clutch and synchronizer having permanent magnet actuators
A friction clutch pack utilizes permanent magnets and induction rings to actuate a ball ramp actuator which come in turn, engages the friction clutch pack to transfer torque between drive and driven members in, for example, a motor vehicle transfer case. The permane...
08/08/2006
7083030Torque transfer coupling with magnetorheological clutch actuator
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. The torque transfer mechanism includes an actuato...
08/01/2006
7070032Hydrodynamic coupling apparatus
A hydrodynamic coupling apparatus (10) for transmitting torque between driving and driven elements includes an input shaft (14), a first end (16) of which is rotatably supported in a case (12) and a second end (18) of which is conn...
07/04/2006
7070707Magnetorheological composition
The invention provides a magnetorheological composition having reduced off-state forces and good performance. Specifically, this invention is directed to a magnetorheological composition that may comprise non-sperical magnetic-responsive particles and at least one f...
07/04/2006
7070027Magneto-rheological damper
A magneto-rheological (MR) damper including a piston guided in a cylinder that is filled with a magneto-rheological fluid, its work volume being formed oblique relative to the piston axis between the piston and the cylinder. ...
07/04/2006
7046509Computer controlled display device
The present invention is a computer controlled display device. In one embodiment, the display device includes a flat panel display having an input for receiving display data. Additionally, a moveable assembly may be coupled to the display. The moveable assembly may ...
05/16/2006
7016776Magnetic powder torque transfer clutch for controlling slip across a differential mechanism
A control for a differential including magnetic powder torque transfer clutch for controlling slip across the differential mechanism. The clutch includes a first element driveably connected to a first control shaft, a second element driveably connected to the second...
03/21/2006
7011198Device for regulating rotational speed of the driven rotor of a viscosity coupling
Regulating the rotational speed of the driven rotor of a viscosity coupling to a predetermined speed with a control circuit having a switching mechanism. When the speed drops below certain values, the speed is adjusted back to the predetermined value. ...
03/14/2006
6991576Magnetically responsive limited slip differential
A differential assembly includes a case, a gearset having a pair of pinion gears and a pair of side gears, and an electrically operable coupling including a magnetically responsive fluid. The coupling is operable to selectively interconnect one of the side gears to ...
01/31/2006
6988602Torque transfer coupling with magnetorheological clutch actuator
A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. The torque transfer mechanism includes an actuato...
01/24/2006
6967450Moving banner display improvements
Enhancements for moving displays in general, and in particular, dynamic signage and kinetic sculpture. More specifically, the present invention relates to improvements on moving banners (18) for use within entertainment, advertising, signage, art, theater, pe...
11/22/2005
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