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| Number | Title | Issue Date |
| 8144003 | Brake or clutch lining comprising a wear and tear and temperature determination unit A brake or clutch lining (10; 12) has a friction lining (22) arranged on a carrier plate (20). For purposes of detecting a critical operating temperature, an electrically conductive material (24) that has a phase-transition temperature th... | 03/27/2012 |
| 7847679 | Material wear indication system A material wear indication system is provided that includes a friction plate capable of engaging a moving surface and a wear indicator. The friction plate includes a wearable portion and a non-wearable portion. In one embodiment the wear indicator is embedded in the... | 12/07/2010 |
| 7808374 | Brake lining wear sensor An apparatus is provided for measuring wear-induced displacement of a brake lining with respect to an associated brake caliper, comprising a gear mechanism for converting the wear-induced displacement into a rotary movement, having a sensor for detecting the rotary ... | 10/05/2010 |
| 7636036 | Detector of unauthorised objects in a protected access zone A device for the detection of an unauthorised liquid or solid substance in a zone with protected access. The device includes a support base designed to receive a single foot, wearing a shoe of an individual to be checked, an electromagnetic field emitter/receptor op... | 12/22/2009 |
| 7408474 | Sensor damage indicator and method A damage indicator for indicating potential damage to a sensor. ... | 08/05/2008 |
| 7391309 | Braking monitoring system A monitoring system for driver's braking habits comprising a sensor connected to brakes of a vehicle provided to sense and evaluate the following levels of pressure being applied to the brakes by a driver: normal pressure, above normal pressure and an excessive pres... | 06/24/2008 |
| 7367742 | Ball and socket joint A ball-and-socket joint for a motor vehicle, especially for the chassis of the motor vehicle has a ball-and-socket joint housing (i), which has a joint opening and in which a bearing shell (5) made of an insulating material is arranged. A ball pivot (4... | 05/06/2008 |
| 7328607 | Brake lining monitoring device and method A method of monitoring the functionability of a brake lining (10, 12) comprising the following steps: measuring a value that characterizes the dielectric constant of the lining material; comparing the measured value with a reference value for the new material... | 02/12/2008 |
| 7322744 | Temperature measurement device A temperature measuring device includes a temperature-responsive element that mechanically moves a first inductive assembly component relative to a second inductive assembly component in response to temperature changes. The movement of the first inductive assembly c... | 01/29/2008 |
| 7316301 | Brake caliper A brake caliper includes an actuator, a moveable brake pad including a brake pad backplate having a generally planar portion, and a friction material secured to the brake pad backplate. The brake pad backplate is being generally arcuate in shape and defines a fricti... | 01/08/2008 |
| 7269762 | Method for mutual monitoring of components of a distributed computer system A method of mutual monitoring of components of a distributed computer system for a safety-relevant application in a motor vehicle in particular. The components are interconnected by at least one communication system. To make the mutual monitoring of components as si... | 09/11/2007 |
| 7248154 | Wear detection by transponder destruction The invention relates to a system and a method for the detection of the wear state of machine parts which are subject to mechanical wear, by means of an electronic transmitting/receiving device (38) and at least one transponder device (36), which is em... | 07/24/2007 |
| 7232013 | Brake force sensor A brake system including a brake pad shaped and located to apply pressure to a brake rotor and an actuator shaped and located to apply pressure to the brake pad to cause the brake pad to apply pressure to the rotor. The system further includes a sensor material whic... | 06/19/2007 |
| 7219776 | Friction disc and process for producing the same A friction disc, in particular a brake or clutch disc, includes carbon fiber-reinforced ceramic composite material with at least one top surface formed as a friction surface. At least part of the friction surface is formed of a different material, in particular of a... | 05/22/2007 |
| 7216941 | Parking brake lock-in key switch system with automatic application for a vehicle with an air brake system A parking brake system for motor vehicle air brakes provides automatic engagement of the parking brakes when a gearshift lever is moved to park, but requires manual disengagement of the parking brakes. The effect is achieved in part by controlling the discharge cond... | 05/15/2007 |
| 7185531 | Material loss monitor for corrosive environments The present invention relates to monitoring the corrosive damage caused to items in a corrosive environment by using multiple monitored coupons 30 of varying thickness that, when corroded, transmit information to a monitor 40 allowing a user to estimat... | 03/06/2007 |
| 7180409 | Tire tread wear sensor system A system and method for monitoring belt wear or tread wear of a tire includes at least one radio frequency identification (RFID) tag with unique identification embedded in the belt or tread of the tire at one or more wear points. An RF tag reader periodically monito... | 02/20/2007 |
| 7165657 | Thin film sensor for brake lining pad wear and brake temperature sensing A modular electrical resistance sensor is positionable in gaps between brake linings for a drum brake. The modular sensor is worn with the brake linings resulting in steadily increasing electrical resistance of the modular sensor. A measurement circuit associated wi... | 01/23/2007 |
| 7059690 | Visual air brake notification device A brake notification device for notifying an individual whether the brake system is active or inactive includes a housing including a flexible conduit having opposed end portions removably connected thereto and to a pneumatically controlled valve of the vehicle brak... | 06/13/2006 |
| 7047797 | Method for detecting wear in a brake or a clutch The invention relates to a method for detecting wear in a frictionally locking clutch (50) or a frictionally locking brake (2, 40), the clutch (50) or the brake (2, 40) having at least one electrically excitable coil (4) and at lea... | 05/23/2006 |
| 7034673 | Method for monitoring an electrohydraulic vehicle braking system Method for monitoring an electrohydraulic braking system. The volume uptake is determined by the elasticity within the wheel brake that is subjected to certain fluctuations, on the one hand, and to a much greater degree by the clearance that is present, on the other... | 04/25/2006 |
| 7014016 | Brake pad clearance sensor A brake actuator assembly includes a sensor mounted to a push rod which is in communication with a transceiver antenna. The sensor provides positional information of the push rod relative to the antenna. A clearance between a friction element and a rotating brake me... | 03/21/2006 |
| 7009508 | Method and apparatus for determining a brake overheating condition A vehicle includes at least one wheel and an associated brake. Especially if the vehicle is traveling down an incline, the brake may overheat from prolonged use. The present invention provides an operator warning device which alerts the operator to a possible or act... | 03/07/2006 |
| 6965304 | Tire information obtaining device, method for obtaining tire information and tire information obtaining program A vehicle wheel speed is calculated based on a vehicle wheel speed signal outputted from a vehicle wheel speed sensor and a change width w which is an amplitude of a time change component of the calculated vehicle wheel speed. When the calculated change width w is e... | 11/15/2005 |
| 6962434 | Liner wear detection Methods and apparatus for detecting wear in a liner. In one embodiment of the present invention, an electrically conductive wire is placed on or near the outside surface of the liner and the electrical resistance in the electrically conductive wire is measured to de... | 11/08/2005 |
| 6957724 | Vehicle disk brake A disk-brake unit which has an unusual ability to operate safely as well as a simple construction and which is intended to be fitted in vehicles, comprises a caliper body extending astride a braking disk, at least one pair of pads facing the disk on opposite sides a... | 10/25/2005 |
| 6945098 | Hydrocyclone wear-detection sensor Wear-detection sensor has a body of electrically insulating material with an opening through which a flowable substance can pass, and one or more electrical conductors surrounding the opening and adapted to undergo a discernable change in conductivity as the insulat... | 09/20/2005 |
| 6943676 | Clutch protection system A system for protecting the clutch of a vehicle from a harmful operating state. Included in the clutch protection system are means for monitoring the operating state of the clutch, along with means for estimating the amount of energy being dissipated by the clutch. ... | 09/13/2005 |
| 6917003 | Switch for vehicle A switch is used to detect opening/closing of a car door or the like in a vehicle, and the switch can be provided with a nice operation feeling and stable performance. Thin corrugated sections are provided on a cover that covers a switching-element, connection point... | 07/12/2005 |
| 6904698 | Apparatus for measuring piston travel A piston travel measuring device for mounting to a non-pressure head is provided. The non-pressure head includes a cylinder and a piston connected thereto for reciprocal movement along a piston travel axis. The device comprises a mounting flange adapted to mount to ... | 06/14/2005 |
| 6891468 | Vehicle brake monitoring system A vehicle brake monitoring system including processing units receiving signals from each of the several brake stroke sensors mounted on a vehicle. The sensors adapted to generate signal corresponding to stroke movement of the brakes. The system adapted to process th... | 05/10/2005 |
| 6888451 | Method of monitoring the power spring of a spring brake actuator A method of monitoring the condition of a power spring of a pneumatic spring brake actuator of a vehicle by comparing the stroke of the push rod during normal braking and by actuating the parking brake, wherein a defective power spring is indicated when the differen... | 05/03/2005 |
| 6753771 | Vehicle monitoring system A vehicle monitoring system for monitoring a condition of relatively moving vehicle components, particularly including the pushrod of a brake actuator, including a magnet on one of the components, a sensor on the other component within the magnetic field of the magn... | 06/22/2004 |
| 6724301 | Tire to wheel data transfer system A system for monitoring various engineering conditions of a vehicle tire/wheel assembly such as temperature, pressure, tire rotation and other operating conditions of the tire and wheel. A tag with radio frequency read/write capability is located on the tire and inc... | 04/20/2004 |
| 6696937 | Wireless brake condition monitor A solid-state brake condition monitoring system for a vehicle brake system having a rotor rotatable about an axis and a pad mounted on an extendable metal shoe that frictionally engages the pad with the rotor for creating braking force. The monitoring sys... | 02/24/2004 |
| 6688436 | Brake pad assembly for a bicycle A brake pad assembly includes an elastic pad body having a braking face, a mounting face formed with a battery-receiving recess to receive a battery, and a light emitting member mounted on an exterior of the pad body and having first and second spring ter... | 02/10/2004 |
| 6564909 | Wear detector for a vehicle braking member A vehicle braking member has a block of friction material cooperating in sliding manner with a respective member for braking, and supports a wear detector wherein a resistive element, consumed simultaneously with the block of friction material, has a firs... | 05/20/2003 |
| 6549126 | Dry interface corner actuator single sensor for lining wear and low reservoir detection The present invention provides a sensor system for detecting lining wear and fluid level in a dry interface corner actuator for a single wheel brake including a reservoir assembly. The reservoir assembly includes a reservoir for containing fluid for the a... | 04/15/2003 |
| 6512453 | Motor vehicle ABS-integrated brake pad wear indication apparatus A device for ABS-integrated brake pad wear indication in a motor vehicle in which all line paths are constructed to avoid current loops and induction surfaces. All the wheel speed and pad wear signal lines respectively lead to the ABS or ABS/ASR control u... | 01/28/2003 |
| 6501375 | Brake monitoring system A brake monitoring system generally includes a plurality of brake monitors mounted on each of a plurality of brake actuators. Each brake monitor generally comprises a sleeve mounted to a push rod which moves relative to a stone shield on the brake actuato... | 12/31/2002 |
