| Patent Number |
Title Of Patent |
Date Issued |
| 7369927 |
Active rollover protection utilizing steering angle rate map |
May 6, 2008 |
| An apparatus and method for protecting against rollover in a vehicle. The method and apparatus determine a rollover tendency of the vehicle based on the lateral acceleration, the vehicle speed and the change rate of the steering angle. A database of empiric data is preferably provided th |
| 7357465 |
Brake pedal feel simulator |
April 15, 2008 |
| A brake pedal feel simulator is provided which reduces the simulation force provided to the brake pedal during emergency or failed conditions. The simulator generally comprises a first spring having a first spring rate and a second spring having a second spring rate. The second spring |
| 7325883 |
Hydraulic braking system featuring selectively-coupled pump suction circuits |
February 5, 2008 |
| An automotive braking system controls the flow of pressurized brake fluid from a tandem master cylinder to several wheel brakes via a pair of braking circuits. Each circuit features a pressure relief line having, in series, a normally-closed valve, low-pressure accumulator, check valve, |
| 7239952 |
Reduced order parameter identification for vehicle rollover control system |
July 3, 2007 |
| A system that detects a lateral acceleration and roll rate of the vehicle and estimates a mass distribution parameter. The system then generates a tuned mass distribution parameter that is based on the the lateral acceleration, the roll rate, and the mass distribution parameter and i |
| 7219966 |
Brake pedal feel simulator |
May 22, 2007 |
| A brake pedal feel simulator is provided which eliminates the simulation force during emergency, non-assisted and failure conditions. The brake pedal feel simulator generally comprises a spring, a spring seat and a spring stop. The spring is operatively connected to the brake pedal for |
| 7198249 |
Electromagnetic shuttle valve |
April 3, 2007 |
| An electromagnetic shuttle valve with two valve passages (5, 6) provides an increased cross-section of the second valve passage (6) by increasing the diameter of the second valve closure member (8). To this end, a compression spring (17) which biases the second valve closure member t |
| 7197874 |
Plunger master brake cylinder |
April 3, 2007 |
| In a plunger master brake cylinder (1), the closed end (5) of the main bore (3) is manufactured in one piece with the housing (2). The pistons (6,7) are inserted from the open end (4) of the main bore (3). In order to prevent the pistons (6,7) from slipping out of the main bore (3) prior |
| 7074161 |
Method for assisting a vehicle to start on a slope |
July 11, 2006 |
| In a method and a device for assisting a vehicle to start on a slope, a vehicle brake torque is changed corresponding to an estimated vehicle driving torque in consideration of a downgrade torque. The method is executed with the following steps of determining a vehicle driving torque |
| 7031816 |
Active rollover protection |
April 18, 2006 |
| A system and method protects against rollover in a vehicle by employing an array of linear acceleration sensors. A control module includes, among other things, a model of the vehicle dynamics and a model of the array of sensors. A state vector is estimated based on the detected accelerat |
| 6993449 |
Tire pressure loss detection |
January 31, 2006 |
| The present invention is directed to monitoring the loss of pressure in one or more tires by detecting the angular speed variations of one or more wheels of the vehicle over a specified wheel revolution period and analyzing the vibration of the speed various. Changes in the frequency |
| 6971486 |
Caliper spring clip with axial force direction |
December 6, 2005 |
| A disc brake assembly for a motor vehicle includes a rotor, a bracket, a pair of brake pads slidably supported by the bracket for movement along a reference axis, and a caliper, also slidably supported by the bracket for movement along the reference axis, bridging the rotor periphery and |
| 6937928 |
Stability control system having loading information |
August 30, 2005 |
| A stability control system includes a sensor for measuring the position of the suspension system. Alternatively, the sensor may directly detect the load on the suspension system. With this information, the system calculates a vehicle loading condition. A yaw rate model is selected based |
| 6905179 |
Anti-lock braking system low pressure accumulator for protection master cylinder lip seals |
June 14, 2005 |
| A braking system includes an accumulator positioned along the brake line between the wheel brake and a pump. The accumulator includes a cylinder defining a bore and a piston fitted within the bore. The cylinder defines an inlet and an outlet fluidically connecting the bore to the brake l |
| 6896338 |
Hydraulic braking system featuring selectable increased pump flow |
May 24, 2005 |
| An automotive braking system controls the flow of pressurized brake fluid from a tandem master cylinder to several wheel brakes via a pair of braking circuits. Each circuit features a pressure relief line having, in series, a normally-closed valve, low-pressure accumulator, pump, check |
| 6895357 |
Offset calibration of a semi-relative steering wheel angle sensor |
May 17, 2005 |
| A new method for determining an actual steering wheel angle is provided that does not require re-calculation of a steering center upon each ignition of the vehicle. Accordingly, the vehicle dynamic controller may be activated very quickly after ignition, while a less costly relative |
| 6873898 |
Vehicle control system utilizing gps data |
March 29, 2005 |
| A vehicle having a vehicle control system for controlling a performance characteristic of the vehicle and a controller. The controller is coupled to the vehicle control system and adapted to receive a position signal indicative of the present physical position of the vehicle. The control |
| 6807473 |
Road recognition system |
October 19, 2004 |
| An apparatus and method for detecting the road condition for use in a motor vehicle. The system and method detect road data through a temperature sensor, an ultrasonic sensor, and a camera. The road data is filtered for easier processing. A comparison of the filtered road data to referen |
| 6805037 |
Brake booster sensor |
October 19, 2004 |
| The present invention provides a single sensor, preferably of a capacitance type, that detects various conditions of a brake booster and the braking system. In one embodiment, the sensor is integrally formed with a reaction disc in the brake booster. Another embodiment includes forming t |
| 6792803 |
Method to improve estimation of vehicle longitudinal velocity |
September 21, 2004 |
| A method for estimating the longitudinal velocity of a vehicle generally comprises the steps of determining whether the vehicle has a lateral acceleration greater than a predetermined value, and then setting the estimate of longitudinal velocity based on the velocity of the wheel hav |
| 6775604 |
Steering wheel angle determination |
August 10, 2004 |
| A method is disclosed for determining the steering center of a vehicle. The algorithm involves supplying power to a controller after ignition-off to save the steering wheel angle value that is stored in the controller's non-volatile memory. At ignition-on, the steering wheel angle value |
| 6763293 |
Calibration procedure for a permanently powered relative steering wheel angle sensor with power- |
July 13, 2004 |
| A method is disclosed for determining a steering wheel angle calibration reference value in a vehicle. The vehicle includes a relative steering wheel angle sensor, which is unique in that it receives power directly from the vehicle's battery and interacts with the vehicle's car area |
| 6757595 |
Method to mitigate vehicle roll oscillations by limiting the rate of recovery of the lateral com |
June 29, 2004 |
| A stability control system and method is provided for decreasing the propensity for rollover and preventing a rapid body roll movement after active management by the stability control system. The control system and method recognizes a propensity for vehicle instability, modifies the tire |
| 6731204 |
Object detection system providing driver information through sound |
May 4, 2004 |
| A vehicle object detection system is disclosed that audibly conveys to the vehicle operator the direction of the detected object relative to the vehicle through the vehicle's audio system. The system includes a sensor array, a processor, and a speaker arrangement. The sensor array detect |
| 6702136 |
Brake fluid reservoir cap assembly design |
March 9, 2004 |
| The present invention is an improved reservoir cap for a braking fluid reservoir including a cylindrical skirt for surrounding an opening of the reservoir body, a disc portion having a hard stop formed unitarily with the cylindrical skirt for closing the reservoir fill opening, and a |
| 6672689 |
System and method of regulating manual control of a vehicle in a sliding condition |
January 6, 2004 |
| The present invention involves a system and method of regulating manual control for a driver of a vehicle during a sliding condition of the vehicle having an electronic stability program using a stability control system. The method includes recognizing the vehicle in a sliding condition |
| 6601669 |
Safety interlock system for motor vehicles |
August 5, 2003 |
| A safety interlock system for a motor vehicle having a braking system capable of actively applying the vehicle brakes with an object sensor capable of detecting the presence of an object such as a pedestrian in the danger zone at the front of the vehicle, a door sensor capable of det |
| 6595602 |
Vehicle control of a locked drive system |
July 22, 2003 |
| A vehicle includes multiple wheels, a locking drive differential, and a stability controller. A first wheel is mechanically coupled to a second wheel. The locking drive differential mechanically couples the second wheel to a third wheel. The stability controller is coupled to the third |
| 6577948 |
Algorithm for determining travel direction for automobiles |
June 10, 2003 |
| A method of determining the direction of travel of a vehicle independent of the transmission gear position. A plurality of yaw rate values are utilized, which are summed or integrated over a period of time to generate a plurality of yaw rate sum values. The sign of each yaw rate sum valu |
| 6559615 |
Failure resistant electric motor monitor and control system |
May 6, 2003 |
| A motor control includes a driver, an inverter, and a controller. The inverter electrically couples an input of the driver, an input of the controller, and a plurality of outputs of the controller. The controller is configured to actuate the driver. The method actuates a motor through |
| 6550871 |
Method and system for controlling an electromechanically actuated brake for motor vehicles |
April 22, 2003 |
| A method and system for controlling a brake for motor vehicles. The present invention relates to a method as well as a system for controlling a brake for motor vehicles, which can be electromechanically actuated by means of an actuator, consisting of an electric motor as well as a drive |
| 6530395 |
Check valve arrangement |
March 11, 2003 |
| A check valve arrangement utilizes a disc (15) for a valve member while eliminating the need for a ball. A valve seat in the common sense is unnecessary, too. Instead, a substantially flat surface (13) interacts with the disc (15). In order to allow unidirectional flow only, the disc |
| 6405534 |
Evacuation and fill valve assembly and method for using the same |
June 18, 2002 |
| A non-powered evacuation and fill valve assembly is provided that is suitable for use in connection with hydraulic brake system. The assembly utilizes a pressure differential and/or the properties of material expansion to provide a tight seal. During evacuation of air from the system |
| 6398320 |
Vehicle braking system with auxiliary activation circuit |
June 4, 2002 |
| A vehicle braking system including an auxiliary circuit for activating the vehicles brake system independent of the position of the vehicle ignition switch. In a preferred embodiment, the auxiliary circuit is actuated through actuation of the vehicle service brake pedal, enabling the bra |
| 6374163 |
Online frequency analysis for resource optimized systems |
April 16, 2002 |
| A method and system is provided for acquiring and analyzing vehicle motion signals to determine vehicle performance. The sampled vehicle motion signals are transferred from the time domain to the frequency domain using online frequency analysis. Once the frequency spectrum for the sample |
| 6347541 |
Two-point calibration of a longitudinal acceleration sensor |
February 19, 2002 |
| A method of calibrating an acceleration sensor by utilizing a two point analysis involves positioning the acceleration sensor at a first angle, measuring a first output voltage and positioning the sensor at a second angle and measuring a second output voltage and thereafter calculating a |
| 6336818 |
Electrical connector for connection between coil and printed circuit board in automotive anti-lo |
January 8, 2002 |
| An electrical connector for connecting a solenoid wire coil to a printed circuit board in an automotive anti-lock braking system has a coil bobbin, around which the wire coil is wound. The wire coil has pre-tinned sections that are wrapped over stems protruding from the coil bobbin. When |
| 6336688 |
Hydraulic brake system with bleed valve |
January 8, 2002 |
| To provide for non-powered evacuation and filling of an anti-lock brake system with integrated control units, a check valve is placed between the suction side of the ABS pump (16) and the wheel brake (6). The check valve (26) enables evacuation and filling of the brake system without ene |
| 6309033 |
Switchable orifice solenoid with plate valve for an anti-lock brake system |
October 30, 2001 |
| A switchable solenoid valve is disposed between the master cylinder port and the wheel caliper port for an anti-lock brake system. The switchable solenoid valve includes a valve housing, a valve seat that includes a center orifice and a plurality of perimeter bores, and an axially moveab |
| 6281490 |
Method and device for generating distinguishable signals and method of distinguishing signals of |
August 28, 2001 |
| For distinguishing two signals from different sources but with similar shapes, a signal generator offsets the signals from each other so that the values each signal assumes can be positively identified as being in permissible value ranges of one unique channel. The offset of the signals |
| 6273528 |
Brake force control valve |
August 14, 2001 |
| A brake force control valve for use with an electrically controlled braking system having a housing with first and second fluid channels, a coil coupled to the housing, a ferrous core magnetically interacting with the coil, a spool coupled to the ferrous core, where the spool in conjunct |
| 6269921 |
One-time bleed valve with reset capability for anti-lock brake hydraulic control unit and a brak |
August 7, 2001 |
| A one-time bleed valve with reset capability for an anti-lock hydraulic control unit comprises a piston adapted to be sealingly installed in a bore made in a body of the hydraulic control unit in response to a brake pressure. The bore is located in a portion of the body that is immediate |
| 6220833 |
Elimination of inlet valve for ABS pump |
April 24, 2001 |
| A reciprocating piston-type pump for a brake system, such as an antilock brake system, includes a housing having an inlet and an outlet connected by a bore containing one or more pistons driven by an eccentric shaft for pumping high pressure brake fluid to one or more vehicle brakes. Eac |
| 6203204 |
Wheel bearing assembly with integral sensor element for detecting rotary or angular movements |
March 20, 2001 |
| A wheel bearing assembly is provided that includes a tone wheel fixedly connected to a wheel axle so as to rotate with the wheel axle and a wheel bearing cap that is mounted over the end of the wheel axle such that the tone wheel freely rotates within a cavity defined by the wheel bearin |
| 6003369 |
Method for manufacturing encapsulated semiconductor devices |
December 21, 1999 |
| A method for manufacturing encapsulated semiconductor devices, including rotary speed sensing devices, by using a lead frame. Electrical terminals of the semiconductor device are electrically connected to electrical leads from the lead frame. The semiconductor device is encapsulated in a |
