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Patent Searching and Data


Matches 151 - 200 out of 539

Document Document Title
WO/2007/039050A1
The invention relates to a hydrodynamic brake with a rotor comprising a rotor blade wheel and with a stator comprising a stator blade wheel, the rotor blade wheel and the stator blade wheel, together, forming a working space that can be ...  
WO/2007/012354A1
The invention relates to a method for controlling at least one retarder of a motor vehicle. According to said method, the braking torque generated by the retarder is limited to a retarder limit torque. The aim of the invention is to impr...  
WO/2007/007652A1
A retarder control device for a working vehicle has a input shaft speed detection means (121) for detecting the rotation speed of the input shaft of a transmission, a traveling condition acquisition means (33) for acquiring traveling con...  
WO/2006/122664A2
The invention relates to a pump drive for the pump of a retarder, whereby said pump is driven by the rotor of the retarder by means of a coupling, connecting the rotor shaft and the pump shaft (2) together. According to said invention, t...  
WO/2006/119850A1
The invention relates to a method for preventing undesired vehicle acceleration in the case of overrun shifting when travelling downhill in vehicles with a drive motor, a manual gearbox, at least one brake which is arranged on the primar...  
WO/2006/119849A1
Disclosed is a method for adjusting the braking characteristic of a retarder for a motor vehicle. According to said method, a characteristic diagram or a braking characteristic representing the correlation between a manipulated variable ...  
WO/2006/119937A1
The invention relates to a method for controlling and/or regulating the vehicle speed of a vehicle which is provided with a retarder. Overshoots in vehicle speed regarding a stored nominal speed are reduced or avoided when the retarded i...  
WO/2006/100020A1
The invention is directed to a diesel railcar comprising a cooling and heating system, and to a method for cooling a diesel engine of a railcar. The railcar according to the invention includes: a diesel engine (3), a cooling and heating ...  
WO/2006/071173A1
A motor vehicle fitted with a control system (30) for applying braking effect to foundation brakes (20) acting on each wheel (8, 9) of the vehicle, when the braking effect provided by auxiliary brakes (2a, 10), acting on the driven wheel...  
WO/2006/071170A1
A vehicle (15), such as a lorry or a bus, includes compressed air consuming devices (13) and a power driven compressor (10) to deliver compressed air to at least one storage tank (11, 12). A control device (14) controls the operation of ...  
WO/2006/053630A1
The invention relates to a motor vehicle equipped with a parking brake (3) which, in addition to operating as a parking brake, can be used for assisting the service brake (2) and/or used as a continuous service brake. This brake is prefe...  
WO/2006/037562A1
The invention relates to a method for matching an actual characteristic curve or characteristic diagram, which characterize the operating mode of a hydrodynamic component, to a set characteristic curve or characteristic diagram, which ch...  
WO/2006/037465A1
The invention relates to a method for optimising the operation of a hydrodynamic component integrated into a drive train of a vehicle, using a regulating device associated with said component. According to said method, a nominal characte...  
WO/2006/027056A1
The invention relates to a braking device comprising a stator and a rotor. The rotor and the stator are positioned in relation to one another in such a way and a working medium can be supplied or connected in such a way that during a bra...  
WO/2006/007904A1
The invention relates to an electronic retarder control (ECU) in a motor vehicle comprising a retarder. According to the invention, the electronic retarder control (ECU) is located on the exterior of the retarder housing.  
WO/2006/007902A1
The invention relates to an electronic retarder control (ECU) in a motor vehicle comprising a retarder. According to the invention, the electronic retarder control (ECU) (1) is located on a passage (3) of the heat exchanger matrix (5) of...  
WO/2005/120918A1
Method for regulating the control pressure of an object (1') regulated by pressure control, whereby the control pressure (p) and hence the object's action are regulated via a control unit (1) and a valve arrangement (l'), The method is p...  
WO/2005/087567A1
A hydraulic energy conversion and dissipation system comprises a hydraulic retarder pump (12) driven by a source of a mechanical energy needed to be dissipated for converting the mechanical energy into a waste hydraulic energy, a hydraul...  
WO/2005/080165A1
The present invention relates to an arrangement and a method for controlling the activation of an auxiliary brake of a vehicle. The arrangement comprises the auxiliary brake (5), a cooling system (1) with a circulating cooling medium ada...  
WO/2005/080166A1
The present invention relates to an arrangement and a method for braking a vehicle (1). The invention comprises a control device (10) intended to be operated by a driver when it is desired to maintain on a downhill run a substantially co...  
WO/2005/066006A1
The invention relates to a method for monitoring a braking torque modification of a retarder, in particular of a motor vehicle, said braking torque modification being controlled by an actuating pressure control circuit comprising a press...  
WO/2005/032898A1
The invention relates to a hydrodynamic retarder, especially a water retarder, comprising a toroidal working chamber that is formed by a rotor impeller and a stator impeller. The stator impeller is provided with a stator housing in which...  
WO/2005/025957A1
The invention relates to an automotive drive, comprising a cooling circuit with a coolant, a retarder having a rotor and a stator that together define a toroidal working chamber, with the coolant being the working medium of the retarder....  
WO/2005/014985A1
The invention relates to a coolant circuit of a motor vehicle, comprising: a coolant, especially water or a water mixture; a coolant pump having a coolant outlet; a retarder provided with a central ring, the working medium thereof being ...  
WO/2005/007473A1
Disclosed is a method for adjusting a constant deceleration for vehicles comprising a wear-free brake, according to which the desired deceleration is input as the set point value of a regulating circuit or control circuit in order to adj...  
WO/2005/000651A1
The invention relates to a retardation device for motor vehicles. The inventive device comprises a primary retarder (116), a secondary retarder (117) and a control unit (118) which activates either one of said retarders. Furthermore, the...  
WO/2004/108467A1
Motor vehicle with an internal combustion engine and a transmission, comprising at least a first and a second brake device, where the first brake device acts directly on at least some of the wheels of the vehicle and where the second bra...  
WO/2004/069624A2
The invention relates to a drive train for motor vehicles (2), comprising a driving engine (4), a transmission (8), a disengaging clutch (6) interposed between the driving engine (4) and the transmission (8), and a retarder (56), configu...  
WO/2004/031714A1
The invention relates to a device for controlling and regulating the brake torque output from a hydraulic retarder (10, 20, 30) in a motor vehicle, in which the brake torque acts on a retarder output shaft (40) and in which the device co...  
WO/2004/028849A2
In motor vehicles, vibrations that are produced in the vehicle clutch occur in the drive train during the slip phase of a clutch. These vibrations arise when periodic torques are produced by a slipping clutch. The periodic torques are lo...  
WO/2004/026651A1
The invention relates to a drive unit of a motor vehicle provided with a cooling circuit, said drive unit comprising a hydrodynamic retarder having a rotor vane wheel and a stator vane wheel, the hydrodynamic retarder being arranged in t...  
WO/2004/026652A1
The invention relates to a drive unit of a motor vehicle provided with a cooling circuit, said drive unit comprising a hydrodynamic retarder having a rotor vane wheel and a stator vane wheel, the hydrodynamic retarder being arranged in t...  
WO/2004/026607A1
A regenerative energy management system (1) adapted for use with a compound vehicle including a prime mover, drive train and a trailer (2) including independent wheels (3) isolated from the prime mover drive train. The system (1) include...  
WO/2004/020865A1
The invention relates to a method for distributing brake torque between at least a first and a second brake system of a motor vehicle comprising at least two wheel axles and four wheels with tires, in which the first brake system acts on...  
WO/2004/007257A2
A driveline brake assembly for use on trucks as either a primary braking system or a secondary braking system. A camshaft (14) connected to the driveline carries a number of cams thereon (5). Each cam has associated therewith a pair of p...  
WO/2004/005097A1
The present invention relates to a hydrodynamic brake which comprises a stator (1), a rotor (2), which rotor (2) and stator (1) are so arranged as to form a toroidal space (7), a medium which is intended to be supplied to the toroidal sp...  
WO/2004/005091A1
The present invention relates to a hydrodynamic brake which comprises a stator (1), a rotor (2), a toroidal space (7) defined by the stator (1) and the rotor (2), a medium which is intended to be supplied to the toroidal space (7) when t...  
WO/2003/068572A1
The invention relates to a method for automatically controlling a position of a vehicle (1) relative to a road boundary (5a, 5b) extending along a road (2) on which the vehicle is driving. The method comprises the steps of determining a ...  
WO/2003/064228A1
A method for controlling or regulating total auxiliary brake torque in a motor vehicle equipped with engine (1) and drive wheels (8), transmission components (2, 3, 5, 7, 9) incorporated between the engine and the drive wheels, at least ...  
WO/2003/033319A2
The invention concerns a hydrodynamic braking system equipped with a retarder, in particular a secondary retarder, comprising a rotor arranged in a rotor housing and a stator arranged in a stator housing, said rotor and said stator const...  
WO/2003/020562A1
The present invention relates to an arrangement pertaining to a supplementary brake in a motor vehicle. The vehicle incorporates a control means (14) by which a desired braking action is intended to be initiated by a driver, and brake-ap...  
WO/2003/008832A1
A method for accelerated emptying of an operating substance from the working chamber (5; 5.2; 5.3; 5-4a; 5.4b; 5.5) of a hydrodynamic retarder (1; 1.2; 1.3; 1.4a; 1.4b; 1.5) which is formed between a rotor (4; 4.2; 4.3; 4.4a; 4.4b; 4.5) ...  
WO/2003/006850A1
A vehicle gearbox (2), comprises a gearbox housing (4), a clutch bell-housing (6) and lines (20, 22, 36, 38) for a liquid coolant and is connected to a vehicle engine (26) at a connection point. Two first coupling flanges (16, 18) are pr...  
WO/2002/092406A1
A fluid coupled speed retarder generating a restraining torque on a vehicule wheel system comprises a restraining shaft (50) coupled by a viscous fluid to a wheel (32) and axle (54) system through a coupling (30) which includes an impell...  
WO/2002/090163A2
Hydraulic retarder installation with a retarder which is controlled by an electronic control unit (8), which regulates, via an electrically operated proportional valve (9), the air pressure in a hydraulic fluid reservoir (6), said pressu...  
WO/2002/087940A1
Hydraulic retarder installation with a retarder which is controlled by an electronic control unit (8), which regulates, via an electrically operated proportional valve (9), the air pressure in a hydraulic fluid reservoir (6), said pressu...  
WO/2002/070313A1
A method of operating a retarder control system (17) for a drivetrain retarder (12) such as an engine compression brake of a heavy-duty truck vehicle is disclosed. The method of operation includes three novel subsets each of which contro...  
WO/2002/047948A1
The invention relates to a method for calling brake power support systems for a vehicle, whereby, at the beginning of a retarder braking, an electrical switching thermostat or an electric water pump for the optimal utilisation of the veh...  
WO/2002/040330A1
The invention relates to a method for increasing the brake efficiency on a vehicle fitted with a hydrodynamic retarder, whereby the engine speed is increased by means of a downshift command in such a way that, as a result of the increase...  
WO/2002/032737A1
The present invention relates to an arrangement and a method for controlling the braking of an auxiliary brake in a vehicle. The vehicle incorporates ordinary brakes and at least one auxiliary brake (4) which is designed to apply a braki...  

Matches 151 - 200 out of 539