Abstract: A hydraulic system 71, more particularly for the actuation of a transmission system, comprises an oil pump 67, which is driven by one of the shafts of the transmission system or a drive source, which pump has an input and an output, which input is connected to the oil tank 75 and which output is connected to a main line 73, a switchable valve 91, which is located between the output 69 of the oil pump 67 and the oil tank 75, a restriction 93, which is located between the switchable valve 91 and the oil tank 75, and a further valve 95, which is located between the output 69 of the oil pump 67 and the main line 73. The switchable valve 91 is operated such that the line pressure produced by the oil pump can be made lower or higher than the pressure in the main line 73.

Abstract: A transmission system has a clutch module which has a single input and two outputs, where clutch devices are located between the outputs and the input. The transmission system further includes a transmission module which has two inputs and a single output, the transmission module comprising at least two sub-transmissions where at least a single speed transforming gear or a single transmission clutch is located between an input and an output of each sub-transmission. The two outputs of the clutch module are connected here to both inputs of the transmission module.

Abstract: A flywheel module comprises a bypass transmission with three rotational members, and a flywheel connected to a first one of the rotational members. A second one of the rotational members is connected to the input/output. An electric machine which can function both as a motor and as a generator is connected to a third one of the rotational members. An actuator is provided for actuating the electric machine. A control unit is provided for driving the actuator, as well as an operator for operating the brake and the clutch.

Abstract: A lorry 1 comprises a combustion engine 3 which is connected via the transmission module 5 to the input shaft 7 of an automatic transmission 9 with switchable gear settings. The output shaft 11 of the transmission 9 is connected to the wheels 15 of the lorry via a differential 13. The transmission module 5 comprises a clutch 17 which has two clutch parts 17A and 17B that can be coupled to each other. The transmission module 5 further comprises a part module 19 which has an input 21 and an output 23. The part module 19 comprises a bypass transmission 25 with three rotational members 27, 29, 31 of which the third rotational member 31 can be coupled to the firm world 35 via a brake 33.

Abstract: A flywheel module comprises a coupling unit which has an input shaft and an output shaft. This coupling unit has a first coupling of which a first coupling half can be connected to a combustion engine and a second coupling half can be connected to a continuously variable transmission. The flywheel module further comprises a flywheel unit which has an in/output and is formed by a flywheel and a reduction gear unit connected to the flywheel. This flywheel unit is exclusively connected to the in/output via the coupling unit.

Abstract: A device has an output which is formed by a gearwheel that can be coupled to a gearwheel on a crankshaft of a combustion engine. The device comprises a first auxiliary drive source arranged as an electromotor, which is coupled to the output via a node. A first branch of a drive line is present between the electromotor and the node and a second branch of the drive line is present between the node and the output. The device further includes a second auxiliary drive source arranged as a flywheel which is coupled to the output via the node. A third branch is then present between the flywheel and the node.

Abstract: A drive mechanism has a transmission module which has a first input which is connected to an electromotor/generator, and a second input which is connected to a combustion engine. The transmission module has a planetary gear set having three rotational members of which a first rotational member is connected to the input, a second rotational member is connected to an output, and a third rotational member is connected to a brake. A clutch is positioned between the combustion engine and the third rotational member and a further clutch is positioned between the combustion engine and the first rotational member.

Abstract: A transmission system has an input connected to a drive source, and an output connected to a load. The transmission system further has a transmission that includes two input shafts and an output shaft, as well as a clutch module comprising a clutch and a planetary gear set which comprises three rotational members of which a first rotational member is connected to the input, a second rotational member is coupled to the output and a third rotational member is connected to a brake. Between the input shafts and the output shaft are located three speed transforming gears and three gear clutches, and between the two input shafts is located a further clutch.

Abstract: A transmission system has a clutch module with a single input and two outputs. First and second clutch devices are positioned between the input and the two outputs. A transmission module, having two inputs and a single output, includes two sub-transmissions where at least a single speed transforming gear or a single transmission clutch is located between an input and an output of each sub-transmission. The two outputs of the clutch module are connected here to the two inputs of the transmission module. Between the input and the first output of the clutch module is located a first planetary gear set, and between the input and the second output is located a second planetary gear set.

Abstract: A combustion engine can be started by means of a starting device. During the starting operation attendant with the starting device driving the vehicle this drive is also effected by energizing a clutch which connects the combustion engine via a transmission to the wheels L of the vehicle. By utilizing the starting device for the starting operation also for meanwhile driving the vehicle and/or accelerating same, a faster and/or more gradual drive/acceleration of the vehicle is realized.

Abstract: A clutch and/or brake module has a heat sink which is attached to a transmission housing for the purpose of discharging heat. The brake module further has a brake disc, which is connected to a rotational member formed by a shaft (schematically indicated by a center line). The brake disc is provided on one side with a lining and faces with this side towards the heat sink. The brake is a dry brake and is not lubricated. The brake module further has an actuation system (cylinder with piston movable therein, schematically indicated by an arrow) which can exert an axial pressing force directly on the brake disc. The brake disc is located axially between the heat sink and the actuation system. The cooling plate is secured to a transmission housing, a part of which is schematically shown.

Abstract: A flywheel module has a flywheel as well as a speed transforming device which has a first in/output which is connected to the flywheel, and a second in/output which is coupled to a drive line of a vehicle. The speed transforming device has a bypass speed transforming device and a motor and/or generator. Energy can then be exchanged with the flywheel by suitably controlling the motor and/or generator. As a result of the delivery of a negative torque by the motor and/or generator, the flywheel accelerates and because of the delivery of a positive torque by the motor and/or generator the flywheel decelerates.

Abstract: A drive mechanism has a drive source which is connected by a main clutch to a transmission which is connected to wheels of the vehicle. The drive mechanism further includes two hybrid modules of which a first module is connected to the drive source and the second module is connected between the transmission and the wheels to the drive line. The first hybrid module has a flywheel and a flywheel clutch and the second hybrid module has a motor/generator and a further clutch.

Abstract: A transmission system for a vehicle, comprising an input shaft which can be connected to a drive source, and an output shaft which can be connected to a load comprises:—a clutch module which has an input that is connected to the input shaft and a first and a second output, as well as first clutch means which are located between the input and the first output and second clutch means which are located between the input and the second output, and gear stage means which are located between the input and the first or second output, as well as—a transmission module which has a first and a second input and an output that is connected to the output shaft, as well as a first sub-transmission which is located between the first input and the output, and a second sub-transmission which is located between the second input and the output,—where the first output of the clutch module is connected to a first input of the transmission module and the second input of the clutch module is connected to the second input of the tran

Abstract: A transmission module 1 has an input 3 which can be connected to a drive source, and an output 5 which can be connected to a differential. The transmission module 1 further has a clutch 7 and an epicyclic gearing 21 with three rotational members, of which a first rotational member 23 is connected to the clutch housing 9, a second rotational member 25 is connected to a brake 27 and a third rotational member 29 is coupled to the output 5. A transmission 31 also forms part of the transmission module 1. Between the clutch 7 and the epicyclic gearing 21 is located a partition 45 which is connected to the transmission housing 33 while a wet space 47 is formed between the partition and the transmission housing. The actuation cylinder 15 of the clutch, the operating cylinders 48 of the brake 27, as well as the oil pipes leading to it are fixed to the partition 45 as a result of which the actuation is arranged as a single module.

Abstract: A transmission system has a clutch module with a single input and two outputs. First and second clutch devices are positioned between the input and the two outputs. A transmission module, having two inputs and a single output, includes two sub-transmissions where at least a single speed transforming gear or a single transmission clutch is located between an input and an output of each sub-transmission. The two outputs of the clutch module are connected here to the two inputs of the transmission module. Between the input and the first output of the clutch module is located a first planetary gear set, and between the input and the second output is located a second planetary gear set.

Abstract: A transmission system has a clutch module which has a single input and two outputs, where clutch devices are located between the outputs and the input. The transmission system further includes a transmission module which has two inputs and a single output, the transmission module comprising at least two sub-transmissions where at least a single speed transforming gear or a single transmission clutch is located between an input and an output of each sub-transmission. The two outputs of the clutch module are connected here to both inputs of the transmission module.

Abstract: A drive mechanism 1 comprises a combustion engine 3 and a start system 5 which has an output 7 that is connected to a camshaft 9 of the combustion engine. The start system further includes a flywheel 11 and connecting means connecting the flywheel to the output. The connecting means comprise a clutch 13 and a gear reduction 15. The start system 5 further includes a drive source 17 formed by an electromotor which is directly connected to the flywheel 11 or which is connected to the connecting means between the clutch 13 and the flywheel 11. The maximum power that can be delivered by the drive source 17 is just sufficient to maintain the flywheel at the proper r.p.m. If the drive source 17 is turned on, it thus delivers just sufficient power to maintain the flywheel at the proper r.p.m. The maximum power of the drive source is in this case 50 W.

Abstract: A drive mechanism comprises a drive source which is connected by means of a clutch to a transmission which is connected to wheels of the vehicle. The drive mechanism further includes two hybrid modules of which a first module is connected to the drive source and the second module is connected between the transmission and the wheels to the drive line. The first hybrid module comprises a flywheel and a flywheel clutch and the second hybrid module comprises a motor/generator and a further clutch.

Abstract: A drive mechanism has a transmission module which has a first input which is connected to an electromotor/generator, and a second input which is connected to a combustion engine. The transmission module has a planetary gear set having three rotational members of which a first rotational member is connected to the input, a second rotational member is connected to an output, and a third rotational member is connected to a brake. A clutch is positioned between the combustion engine and the third rotational member and a further clutch is positioned between the combustion engine and the first rotational member.