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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7249807 | Vehicle braking force control device with feedback communication between wheels A vehicle braking force control device for executing a follow-up (or servo) control of braking force for individual wheels is improved for canceling the difference of braking force between left and right wheels especially during transient condition of braking force ... | 07/31/2007 |
| 7205981 | Method and apparatus for providing resistive haptic feedback using a vacuum source A method and apparatus is described for applying haptic feedback using a vacuum source. A housing includes a cavity. The cavity can be positioned near a moveable member such that the cavity of the housing and the moveable member define a volume. The volume has an as... | 04/17/2007 |
| 7168530 | Waterproof universal drum brake hydraulic cylinder The invention discloses an improved drum brake hydraulic cylinder. In a preferred embodiment, the invention discloses an O-ring in an annular groove to seal the cylinder. One specifically disclosed embodiment shows an additional exterior seal over the piston and the... | 01/30/2007 |
| 7121570 | Rear suspension for a motorcycle A rear single-sided swingarm suspension for a motorcycle includes a single-sided swingarm that has an axle bearing assembly pivotably connected to the rearward end thereof for swinging motion in a plane parallel to the plane of travel of the swingarm. A cantilevered... | 10/17/2006 |
| 7117748 | Sensor arrangement for force measurement A sensor arrangement for detecting mechanical forces (F) with at least one magnetic-field-dependent sensor element, in which the output signal of the sensor element depends on the deflection of a mechanical component in the magnetic field in response to the exertion... | 10/10/2006 |
| 7114601 | Torque transfer limiting arrangement for a rotational drive shaft A torque transfer limiting arrangement for a rotational drive shaft. The arrangement includes a torque sensing device for sensing torque within the drive shaft and outputing a signal indicative of the sensed torque. A braking device of the arrangement is actuatable ... | 10/03/2006 |
| 7104616 | Brake gain-based torque controller A brake gain based torque controller utilizes commanded torque, measured torque and measured pressure in order to provide brake control for a vehicle, such as an aircraft. According to one particular aspect of the invention, the brake gain-based torque controller is... | 09/12/2006 |
| 7077245 | Torque controlled brake The structure and operation of a brake 1′ associated with an electric motor driven chain hoist 2′, according to FIG. 6, are exactly the same as those of the manually operated system, except that a shaft 4a′ of the electric mo... | 07/18/2006 |
| 7077483 | Method of controlling anti-lock brake system for vehicles and method of finding control point in ABS In an anti-lock brake system mounted on a vehicle wherein when the vehicle is braked in an emergency during running, an increase in the road surface friction force or road surface friction coefficient owing to an increase in the brake pressure is detected by a road ... | 07/18/2006 |
| 7052096 | Vehicle antilock brake control system A vehicular antilock brake control system does not require a lengthy extension piping from its actuator. The system provides for an accurate controlling method for maximizing a calculated road surface friction coefficient. Each wheel has a control unit consisting of... | 05/30/2006 |
| 7035725 | Sliding integral proportional (SIP) controller for aircraft skid control The sliding, integral, and proportional controller for providing aircraft antiskid braking control includes a reference velocity subsystem, a velocity error ratio subsystem, and a main controller subsystem generating a control command output signal indicative of a c... | 04/25/2006 |
| 7013208 | Sliding integral proportional (SIP) controller for aircraft skid control The sliding, integral, and proportional controller for providing aircraft antiskid braking control includes a reference velocity subsystem, a velocity error ratio subsystem, and a main controller subsystem generating a control command output signal indicative of a c... | 03/14/2006 |
| 6877594 | Disc brake to be opened by torque A disc brake to be opened by torque is arranged between a drive shaft and a driven shaft and comprising a brake wheel arrangement arranged between the drive shaft and the driven shaft, a friction surface arrangement arranged to co-operate with the brake wheel arrang... | 04/12/2005 |
| 6814191 | Thrust reverser system with a pass-through torque activated brake A thrust reverser system that includes a pass-through torque activated brake assembly that limits the torque applied in portions of the thrust reverser system drive train. The brake assembly includes two plates that are coupled together with a torsion spring. When a... | 11/09/2004 |
| 6805224 | Automated brake torque monitoring system An escalator brake torque monitoring apparatus comprises a brake having a brake arm with a mounting point for pivotally affixing the brake to a fixed element of the escalator. A torque sensor is mounted to the brake arm at the mounting point and is affixed to the fi... | 10/19/2004 |
| 6786315 | Thrust reverser system with sequential torque decoupler An aircraft thrust reverser system that includes a power drive unit operable to supply a drive force. The power drive unit includes a motor and a torque decoupler that sequentially decouples the power drive unit from a plurality of loads. The torque decoupler includ... | 09/07/2004 |
| 6728620 | Predictive control algorithm for an anti-lock braking system for an automotive vehicle A control system (12) for an automotive vehicle includes a wheel speed sensor (18) generating a rotational speed signal and a controller (14) coupled to the wheel speed sensor. The controller determines a vehicle speed, calculates wheel slip bas... | 04/27/2004 |
| 6684147 | Sliding integral proportional (SIP) controller for aircraft skid control The sliding, integral, and proportional controller for providing aircraft antiskid braking control includes a reference velocity subsystem, a velocity error ratio subsystem, and a main controller subsystem generating a control command output signal indica... | 01/27/2004 |
| 6668983 | Wheel brake caliper with integral brake pad torque sensing A torque sensing apparatus for use with a brake caliper having opposing brake pads positioned on opposite sides of a rotor. The brake caliper causes the brake pads to apply a braking force against the rotor that generates a braking torque. A torque transf... | 12/30/2003 |
| 6666307 | Thrust reverser system with a pass-through torque activated brake A thrust reverser system that includes a pass-through torque activated brake assembly that limits the torque applied in portions of the thrust reverser system drive train. The brake assembly includes two plates that are coupled together with a torsion spr... | 12/23/2003 |
| 6607253 | Braking torque control apparatus and method A pair of shoes are expanded by driving an electric brake motor. Due to the friction engagement of the shoes with a drum inner peripheral surface, a braking force is applied to a wheel. An actual braking torque is detected by a strain sensor that detects ... | 08/19/2003 |
| 6527350 | System and method for adaptive brake application and initial skid detection The adaptive brake application and initial skid detection system allows rapid brake application and prevents deep initial skids. Brake pressure is compared with a predetermined threshold brake pressure. Wheel velocity error signals are also generated to i... | 03/04/2003 |
| 6371256 | Electric disc brake caliper controls A controller for controlling an actuator in response to an input signal. The controller includes a first control block and a second control block. The first control block receives the input signal, detects an operating condition of the input signal, and r... | 04/16/2002 |
| 6341826 | Antiskid brake control system for automotive vehicles An antiskid brake system for an automotive vehicle is provided which includes a parameter determining circuit and a braking condition determining circuit. The parameter determining circuit determines a parameter reflecting on brake torque applied to a whe... | 01/29/2002 |
| 6290305 | Method and apparatus for producing linear braking torque A brake unit has a brake application device, a brake disc with a friction surface and a brake shoe with a friction lining which, during the actuation of the brake unit, acts by an application force Fs of the brake shoe on the friction surface of the brake... | 09/18/2001 |
| 6220676 | Antiskid control of multi-wheel vehicles using coupled and decoupled Kalman filtering incorporating pitch weight transfer According to one aspect of the invention, a brake controller is provided for controlling an amount of braking force applied to a plurality of wheels of a vehicle running on a surface. Each of the plurality of wheels has a sensor for providing an output si... | 04/24/2001 |
| 6217131 | Method and device for controlling a vehicle braking system in open loop A method and a device for controlling a vehicle braking system in open loop, having electrically operable control devices at the wheel brakes. The control device is controlled according to a driver's braking input, in at least one operating state, on the ... | 04/17/2001 |
| 6199670 | Electric brake apparatus for controlling a current provided to a brake motor An electric brake apparatus generates an appropriate brake force without unnecessarily consuming electric power. The electric brake apparatus has a brake actuator generating a brake force. The brake actuator uses a brake motor system including a brake mot... | 03/13/2001 |
| 6202018 | Process and device for controlling a vehicle brake system A process and device for controlling a vehicle brake system, in which a central controller and a plurality of other decentralized control units are provided. This system is initialized from the central controller over the communication connecting the cont... | 03/13/2001 |
| 6158822 | Method and apparatus for diagnosing electrically operated brake without manual operation of brake operating member A method of diagnosing an electrically operated brake for abnormality thereof in an automotive vehicle wherein a wheel is braked by a friction force generated by an electric motor of the brake upon an operation of a brake operating member, the method comp... | 12/12/2000 |
| 6098760 | Brake apparatus for vehicles A brake apparatus for vehicles having a wheel brake on each vehicle wheel, each wheel brake has a brake body non-rotatably connected to the vehicle wheel, a brake actuator that engages the brake body for braking purposes, and a brake anchor plate that con... | 08/08/2000 |
| 6070954 | Brake control system for an electrically operated vehicle In an electrically operated vehicle in which a regenerative braking operation is performed to apply a regenerative braking torque to a wheel, if the regenerative braking torque reaches its maximum value and is insufficient to brake the wheel, a static hyd... | 06/06/2000 |
| 6036285 | Brake system using torque feedback control with torque level transitioning A brake system and torque feedback controller is provided which utilizes low torque cutout rather than low speed cutout. The low torque cutout is further improved by gradually transitioning between torque feedback and open loop control over a range of tor... | 03/14/2000 |
| 6000507 | Control or adjustment system for a wheel brake operated by an electric motor A control or adjustment system for a disc brake is operated by an electric motor causing the friction linings of the disc brake in application to the brake disc. To transmit an application force as sensitively as possible to cause deceleration of the vehi... | 12/14/1999 |
| 5979613 | Anchor arrangement for retaining a sensor in a drum brake A drum brake for use in a brake system (10) having first (14) and second (16) shoes retained on a backing plate (20). The first brake shoe (14) has a first end (22) connected to an actuator (12) and a second end (26) connected to an anchor arrangement (24... | 11/09/1999 |
| 5957246 | Electric brake including a pad clearance adjusting mechanism and a method for adjusting the pad clearance of the same The electric brake including a pad clearance adjusting mechanism comprises: ignition switch detecting member for detecting that an ignition key has been switched from its off position to its on position; brake instruction detecting member; a parking brake... | 09/28/1999 |
| 5918951 | Antiskid brake control system using kalman filtering A brake control system for controlling an amount of braking force applied to a wheel of a vehicle running on a surface, comprising a sensor for measuring a speed of the wheel and for providing an output signal indicative of the speed; and a controller, op... | 07/06/1999 |
| 5895100 | Brake apparatus for an electric vehicle to maximize regenerative energy A brake apparatus for an electric vehicle which maintains the regenerative energy generated in a traction motor of each of wheels to be at a maximum. A hydraulic pressure brake and a regenerative brake are provided in the same brake apparatus. The hydraul... | 04/20/1999 |
| 5785158 | Brake apparatus with functional integrity monitor The problem of verifying functional readiness of a braking apparatus including: a brake plate rotatable about an axis; an armature and a reaction plate disposed on opposite sides of the brake plate; and an actuator for urging the armature to clamp the bra... | 07/28/1998 |
| 5700072 | Brake energy balancing system for multiple brake units The brake energy balancing system balances brake torque of braking wheels of a vehicle having a plurality of cars carried by trucks, for applying and controlling the brakes of each group of braking wheels of the trucks of the vehicle. Brake torque is meas... | 12/23/1997 |
