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WO/2024/056536A1 |
The invention relates to a cooling circuit that is configured to dissipate heat generated by a retarder incorporated in the cooling circuit, wherein the cooling circuit has: - a torus-shaped working chamber, formed by a stator and a roto...
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WO/2023/227281A1 |
The invention proceeds from a sealing system for separating two pressure zones, comprising a seal arranged between a shaft and a structural component. According to the invention, the seal is axially movably arranged in a groove, wherein:...
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WO/2023/222277A1 |
The invention relates to a method (100) for ascertaining a continuous braking power (P) for a vehicle (300a), in particular a commercial vehicle (300b), the method (100) comprising the following steps: ascertaining (110) an ambient tempe...
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WO/2023/217576A1 |
A control air system is proposed, having a venting channel, which is connected to a venting connection, a pressure regulating channel, which is connected to the regulating pressure connection, a pressure channel, having a plurality of se...
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WO/2023/046451A1 |
The invention relates to a pneumatic controller for a hydrodynamic brake, comprising a working pressure connection (20); at least one inlet valve (12, 12'), via which a working pressure line (18, 18', 18'') leading to the working pressur...
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WO/2022/263691A9 |
The present invention relates to a braking system (100) for braking a rotation shaft (1), characterised in that it comprises: at least one piston (4), actuated by means of a linear electrical actuator (3), which is movable between a coll...
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WO/2023/016850A1 |
The invention relates to a braking device (10) for a motor vehicle, comprising: a fluid path (12) through which a fluid can flow, having at least two line sections (14, 16), and in which at least one pump element (18) and at least one va...
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WO/2023/016849A1 |
The invention relates to a braking device (10), comprising: a fluid path (12) through which a fluid can flow, having two line sections (14, 16), and in which a pump element (18), a cooler (64) and a valve device (34) are arranged, which ...
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WO/2023/280536A1 |
A hydrodynamic retarder having a device for detecting a working medium temperature is proposed. In the proposed design, the retarder housing consists of at least the stator housing and the rotor housing. The stator is inserted in the sta...
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WO/2023/277757A1 |
A control device (100) and a method for controlling traveling speed of a vehicle (1) for the purpose of maintaining a vehicle speed equal to or lower than a pre‐set downhill speed (vdh-set). The method comprises simulating a vehicle sp...
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WO/2022/248388A1 |
A cooling system for a motor vehicle with an electric drive train is proposed, by means of which a sustained-action braking system and a fuel cell device of the electric drive train can be cooled. Said cooling system comprises a first co...
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WO/2022/084249A1 |
A hydraulic/mechanical braking system for a vehicle comprises a cam (128) keyed onto a transmission shaft or a trailing wheel and at least two hydraulic cylinder assemblies (126,129) including a cam follower (127). A hydraulic circuit (C...
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WO/2022/084248A1 |
A hydraulic/mechanical braking system for a vehicle comprises a cam (128) keyed onto a transmission shaft or a trailing wheel and at least two hydraulic cylinder assemblies (126,129) including a cam follower (127). A hydraulic circuit (C...
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WO/2022/084247A1 |
A hydraulic/mechanical braking system for a vehicle comprises a cam (128) keyed onto a transmission shaft or a trailing wheel and at least two hydraulic cylinder assemblies (126,129) including a cam follower (127). A hydraulic circuit (C...
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WO/2022/069290A1 |
The invention relates to a braking system having a hydrodynamic retarder, comprising at least one rotor located on a shaft and a stator which are located in a common housing and together form a toroidal working chamber which for the brak...
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WO/2022/016227A1 |
A work machine (10) includes an electric drive system. The work machine (10) includes a prime mover (26), a machine controller, and a hydraulic control system (30). The hydraulic control system (30) includes a pump (36), a control valve ...
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WO/2022/016807A1 |
A control method for a hydraulic retarder and a control system. The control method comprises: acquiring a gradient of a slope of a downhill road segment ahead of a vehicle; determining whether the absolute value of the gradient of the sl...
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WO/2021/186120A1 |
A hydraulic transmission system comprising a first hydraulic device (10) designed to be driven to rotate by a primary motor (12), a second hydraulic device (20) designed to drive a vehicle component (22) to rotate, the first hydraulic de...
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WO/2021/174496A1 |
Disclosed are a magnetorheological fluid retarder and a control method therefor. Valve characteristics of a magnetorheological fluid are utilized, and a high back pressure is generated by using a valve, such that braking is conducted, th...
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WO/2021/148824A1 |
Disclosed is an Integrated Wheel Hub and Multispeed Hydraulic Motor/Pump and Braking Unit, Control Valving System and Drive Clutches for vehicles using an Electro-hydraulic propulsion system, commanded and controlled by the Vehicle Contr...
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WO/2021/121947A1 |
The invention relates to a control air system (1) for providing pressurised air with an adjustable air pressure in an air chamber, which is preferably suitable for controlling the braking torque of a hydrodynamic retarder. The main struc...
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WO/2021/115776A1 |
The invention relates to a retarder unit (1) for a motor vehicle, said unit having a particularly compact construction. The retarder unit comprises a hydrodynamic retarder (2) having a retarder housing (3) which is made up of a rotor hou...
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WO/2021/099156A1 |
The invention relates to a device for energy recovery for an electrically driven motor vehicle. The device comprises an electric drive unit (16) for driving the motor vehicle and a permanent brake device (20) which is designed as a hydro...
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WO/2021/083532A1 |
There is provided a combined cooling and water braking system (200) for a vehicle (1, 20). The system comprises a first water recirculation loop (220) having a first heat exchanger (222) configured to cool water flowing in the first wate...
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WO/2020/239300A1 |
The invention relates to a magnetorheological device (1), in particular of a motor vehicle, having a housing (2), having at least one first, in particular disk-shaped element (3) which is arranged in an interior (4) of the housing (2), w...
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WO/2020/229542A1 |
The invention relates to a drive train having: a hydrodynamic retarder, which comprises a bladed rotor rotating about an axis of rotation and a bladed stator, which, together with the rotor, forms a working chamber for the hydrodynamic t...
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WO/2020/143938A1 |
The invention relates to a method for controlling a hydrodynamic machine, which has a bladed primary wheel and a bladed secondary wheel, which together form a working chamber, which can be filled with working medium from a working medium...
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WO/2020/067955A1 |
A hydrodynamic retarder (1) is disclosed configured to brake a shaft (3) of a vehicle (5). The retarder (1) comprises a working circuit (9, 15, 19) comprising a shovel space (9), a workspace (15), and an outlet channel (19). Moreover, th...
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WO/2020/058241A2 |
Proposed is a retarder for fitting in a drive train, said retarder comprising a multi-part retarder housing having a retarder housing part and an activation device for a synchronisation device. The synchronisation device is positioned in...
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WO/2020/060462A1 |
A retarder arrangement (1) is disclosed configured to brake rotation of a shaft (3) of a vehicle (5). The retarder arrangement (1) comprises a retarder rotor (7), a retarder transmission (9), a lubricant feed conduit (11) arranged to con...
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WO/2020/053058A1 |
An oil supply for an automatic transmission or an automated manual transmission in a drive train is proposed, which oil supply comprises an oil sump and a heat exchanger, wherein the oil supply is provided for at least the following oper...
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WO/2020/053039A1 |
The invention relates to a hydrodynamic retarder having a rotor and a stator or having a rotor and an oppositely running rotor, which together form a toroidal working chamber, which can be filled with working medium, in order to transmit...
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WO/2019/223944A1 |
The invention relates to a ventilation shield for a hydrodynamic machine, more particularly a hydrodynamic brake, comprising: • - an adjustment ring (1), which can be rotated in the circumferential direction (2) by means of an actuator...
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WO/2019/226095A1 |
The present invention relates to a method (M2) for controlling operation of a brake system of a vehicle. The method comprises determining (140) a maximum braking force (Fmax) for drive wheels of the at least one drive axle by means of a ...
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WO/2019/209158A1 |
A method for controlling a motor vehicle (1), comprising: - retrieving road gradient data relating to an expected travelling route of the motor vehicle, - based on at least the retrieved road gradient data and on a motor vehicle mass, si...
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WO/2019/209159A1 |
A sealing arrangement (1) is disclosed for a hydrodynamic machine (3). The sealing arrangement (1) is configured to seal a space (5) between a shaft (7) and a housing (9) of the hydrodynamic machine (3). The sealing arrangement (1) compr...
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WO/2019/105849A1 |
The invention relates to a starting and retarder module (1) for arranging between a drive engine (2) and a transmission (3), in particular for a motor vehicle or a rail vehicle, comprising a module housing (4) with integrated ducts, an o...
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WO/2019/105791A1 |
The invention relates to a drive train (1), in particular for a motor vehicle or a rail vehicle, comprising a drive engine (2), a transmission (3) and a starting and retarder module (4) which is arranged between the drive engine and the ...
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WO/2019/105790A1 |
The invention relates to a starting and retarder module (1) for arranging between a drive engine (2) and a transmission (3), in particular for a motor vehicle, comprising a module housing (4), in which a turbo coupling (5), a clutch (6) ...
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WO/2019/074419A1 |
Herein a hydrodynamic retarder device (1) is disclosed. The retarder device (1) comprises a shovel-equipped stator (11) and shovel-equipped rotor (13), which together forms a workspace (17). The shovel-equipped rotor (13) is connectable ...
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WO/2019/001799A1 |
The invention relates to a method for learning braking step threshold values of a sustained-action brake (3, 4) operated in braking steps, said method comprising at least the following steps: - detecting a braking request setpoint and ac...
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WO/2018/189203A1 |
A hydrodynamic retarder system for a vehicle is provided. The hydrodynamic retarder system comprises a fluid sump for housing a fluid and having a first fluid volume; a pump for pumping a fluid from the fluid sump; a retarder having a fl...
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WO/2018/162241A1 |
The invention relates to a method for controlling a separating clutch (4) in a powertrain (1) of a motor vehicle comprising a drive motor (8) and a retarder (2). The separating clutch (4) is arranged between the drive motor (8) and/or th...
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WO/2017/222447A1 |
A directional valve (12) is arranged in a fluid channel (3) at a site of connection of a branch channel (11) thereto. A valve body (14) is movable between a first position allowing fluid to pass the valve body without entering the branch...
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WO/2017/162373A1 |
A rotor braking device and a method for controlling a hydrodynamic transmission unit having a brake pad (2) and a pressing element (6), designed in such a way that, when the rotor brake is activated, the pressing element (6) presses the ...
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WO/2017/162372A1 |
A rotor braking device for a hydrodynamic transmission unit having a brake pad (1, 1a, 1b, 1c) and a pressing element (5, 5a, 5b, 5c, 5d), designed in such a way that, when the rotor brake is activated, the pressing element (5, 5a, 5b, 5...
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WO/2017/050724A1 |
The invention relates to a powertrain having an automatic gearbox or an automated manual transmission; 1.1 having an oil supply system comprising an oil pan (1) and a pump device (3, 4) for providing a supply pressure P0; 1.2 having a hy...
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WO/2017/050674A1 |
The invention relates to an oil supply system of an automatic transmission or an automated manual transmission in a powertrain 1.1 having an oil pan (1); 1.2 having a pressure line (2, 12, 22, 32) for supplying elements (17, 18, 19, 20) ...
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WO/2017/023198A1 |
The invention relates to a method of controlling a synchronizing arrangement (12) for a retarder (6). The method comprises the steps of: a) displacing the sleeve (50) from the first position (A1) to the second position (A3) for connectin...
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WO/2016/209148A1 |
The invention relates to a hydrodynamic retarder device, comprising a rotor (20) and a stator (42) which together form a workspace (44) connected to a fluid circuit (49), and an expansion vessel (72) connected to the fluid circuit (49). ...
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