Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 151 - 200 out of 628

Document Document Title
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...  
WO2004069624A8
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...  
WO2004069624A3
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/2004/069624A2
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...  
WO2004028849A3
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...  
WO2004007257A3
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...  
WO2003064228A8
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/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...  
WO2002090163A3
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...  
WO2003033319A3
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/2003/068572A1
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...  
WO/2002/032735A1
The present invention relates to a method and an arrangement for controlling the brraking of a hydrodynamic auxiliary brake (4) in a vehicle. The vehicle incorporates an ordinary brake and at least one auxiliary brake in the form of y hy...  
WO/2002/024500A1
The invention relates to an operating material supply device for hydrodynamic components, in particular, for hydrodynamic switching elements in starting units, retarder units or in gearing assemblies. The inventive device is provided wit...  
WO/2002/004835A1
The present invention relates to a hydrodynamic brake for a vehicle. A stator (10) and a rotor comprises each an annular recess (14) and a plurality of vanes (18) which are provided in the respective parts of the recess (14). The rotor i...  
WO/2001/085510A1
The invention relates to a device for the determination of the maximum allowed velocity (V┬┐max?) for a vehicle (1) when going downhill (2). The invention is characterized in that it comprises a detector (11) for detection of current inc...  
WO/2001/081138A1
The invention relates to a device for controlling an auxiliary brake of a heavy vehicle. The auxiliary brake consists, for example, of a retarder, which is controlled by a chosen braking force instead of being controlled by a certain bra...  
WO2001027943A3
A resistor bank has first and second supporting members (2, 4). Held on to the supporting members (2, 4) is a resistor element (16) comprising a strip of resistor material which is bent into a zigzag shape. The strip (16) is continuous a...  
WO2001031660A3
Resistor bank cooling apparatus (1) has an enclosure (2) surrounding a resistor bank (4). At least one first vane (6) directs into the enclosure (2) air flowing past an open side (12) thereof, which open side (12) is not a side facing th...  
WO/2001/056847A1
A hydraulic brake system that rapidly and precisely slows or reduces speed by constraining or stopping the movement of a link mechanism connected between a piston and a rotational driving shaft of a power system with physical force gener...  
WO/2001/056827A1
The invention comprises a retarder system for use with road vehicles. The retarder system can combine an electromagnetic retarder with up to four functions: 1) a brushless DC alternator; 2) a brushless DC starter; 3) an active damper tha...  
WO/2001/031220A1
The invention relates to a retarder system for utility vehicles, consisting of a transmission-oil circuit (18) for lubricating the transmission and a retarder coolant circuit (4), which uses the transmission oil as service fluid. The two...  

Matches 151 - 200 out of 628