35results about How to "Shorten the power transmission path" patented technology

The multiple axle driving system for mixed power automobile with fuel oil and electric energy as power source includes at least one mechanical driving axle assembly, at least one electric driving axle assembly, one power source assembly, one general controller, one monitoring and communication network system, and one engine and one multifunctional double-rotor motor to drive different axles separately. The double-rotor motor consists of one outer rotor and one inner rotor, the outer rotor is connected to the hub in one side through the reducing mechanism and the versatile transmission mechanism, and the inner rotor is connected to the hub in the other side through the reducing mechanism and the versatile transmission mechanism. The multiple axle driving system integrates the technology and functions of complete mixed power, multiple axle driving, etc. and makes the automobile possess the advantages of easy realization, low cost, raised running smoothness and stability, etc.

The invention relates to a multifunctional electromagnetic speed differential system which can be used a drive speed differential integrated system of electric power vehicle and mixed power vehicle, and as a speed baffle used in the driven bridge of traditional vehicle. The invention comprises a dual-rotor motor and a controller. Wherein, the dual-rotor motor is formed by a outer rotor and a inner rotor coiled by excitation winding and; one rotor via connection device is connected to the wheels on one side; another rotor via steering gear and connection device is connected to the wheel on another side; the excitation winding of outer rotor via sliding ring is connected to the controller; and the controller is connected to vehicle power resource. The invention can reduce mechanical transmission to attain high transmission efficiency, smaller size and lighter weight.

A jacquard ribbon loom with a central column, comprises a hollow central column over the machine platform, the main driving belt in the central column, a spigot and a power transmission member on thetop end of the central column, weft transmission member symmetrically on the two sides of the central column. The light jacquard ribbon loom is compact and stable due to the hollow central column.

The invention relates to a high-power-density moving-coil type electromagnetic direct-drive hydraulic pump. The high-power-density moving-coil type electromagnetic direct-drive hydraulic pump comprises magnetic yokes, permanent magnet arrays, an end cover, hydraulic cylinder bodies, a valve body, a coil framework, coils, pistons, a centering spring and a one-way valve. The high-power-density moving-coil type electromagnetic direct-drive hydraulic pump is characterized in that double Halbach permanent magnet array layers formed by alternately and closely arranging axial magnetizing permanent magnets and radial magnetizing permanent magnets are adopted to be attached to the outer side of the inner magnetic yoke and the inner side of the outer magnetic yoke in a surface mode correspondingly,wherein an air gap is formed between the inner magnetic yoke and the outer magnetic yoke, and the magnetic yokes are fixedly connected with the end cover and the hydraulic cylinder bodies to serve asstators; a coil set is wound on the framework and placed in the air gap; the winding directions of the adjacent coils are opposite; the framework and the two hydraulic cylinder pistons are integrated;the pistons are directly driven to reciprocate, meanwhile, liquid pumping is completed in two hydraulic cylinders, and the pistons serve as rotors; and the centering spring, a hydraulic pump rotor and the hydraulic pump stators jointly form a resonance system, and the centering spring is in a compressed state all the time. The working efficiency and the power density of the hydraulic pump are effectively improved through the technologies of electromagnetic direct drive, the double Halbach permanent magnet array layers, a symmetrical working cavity, the centering spring and the like.

The invention provides an integrated double-motor distributed drive electric drive axle. The drive axle comprises an integrated power assembly, an axle housing and a hub reduction system, the integrated power assemblies are respectively arranged at the front end and the rear end of the axle housing; the integrated power assembly comprises a driving motor, a speed reducer and a differential mechanism; the driving motor drives the speed reducer and the differential; the hub reducers are respectively arranged at the left and right ends of the axle housing; the hub reduction gear arranged at the left end of the axle housing is in transmission connection with the differential mechanism of the integrated power assembly arranged at the rear end of the axle housing through a first half shaft; thehub reduction gear arranged at the right end of the axle housing is in transmission connection with the differential mechanism of the integrated power assembly arranged at the front end of the axle housing through the second half shaft, and therefore the integrated power assembly has the advantages that the weight of the assembly is reduced, the overall efficiency of the axle is improved, and meanwhile the space utilization rate of the whole vehicle is increased.

The invention provides a multi-gear dual clutch transmission and a vehicle. The multi-gear dual clutch transmission comprises an external input shaft, an internal input shaft, a first external output shaft, a first internal output shaft, a second external output shaft, a second internal output shaft and a synchronizing gear. The internal input shaft is coaxially nested in the external input shaft. A seventh-gear/ninth-gear driving gear and a third-gear driving gear are fixed to the external input shaft. A fourth-gear driving gear, a second-gear driving gear, an eighth-gear driving gear and a six-gear driving gear are fixed to the internal input shaft. The first internal output shaft is coaxially nested in the first external output shaft. The first internal output shaft is sleeved with a ninth-gear driven gear in a spaced mode. The first external output shaft is sleeved with a second-gear driven gear and a sixth-gear driven gear in a spaced mode. The second internal output shaft is coaxially nested in the second external output shaft. The second internal output shaft is sleeved with a seventh-gear driven gear in a spaced mode. The second external output shaft is sleeved with a third-gear driven gear, a fourth-gear driven gear and an eighth-gear driven gear in a spaced mode. The synchronizing gear is used for controlling the combination and separation between the driven gears of all the gears and the shafts where the driven gears are located, between the first external output shaft and the first internal output shaft as well as between the second external output shaft and the second internal output shaft. By the adoption of the multi-gear dual clutch transmission, the response time of gear shifting is shortened.

A control device for a vehicle. While subject control is performed, a second engagement control unit controls the engagement pressure of the second engagement device to a mid-control set pressure that has been set to be equal to or more than a first engagement pressure and equal to or less than a second engagement pressure. The first engagement pressure is a lower limit engagement pressure capable of maintaining the second engagement device in the directly coupled engaged state, in a state in which requested torque that is torque required to be transmitted to the wheels is transmitted to the wheels. The second engagement pressure is a lower limit engagement pressure capable of maintaining the second engagement device in the directly coupled engaged state, in a state in which maximum output torque of the rotary electric machine is transmitted to the wheels.

The invention relates to a hybrid speed changer, a hybrid driving system and a hybrid car. The hybrid speed changer comprises a first input shaft, a second input shaft and an output shaft. The first input shaft and the second input shaft are coaxially arranged. The hybrid speed changer further comprises a first gear, a second gear, a first synchronizer, a third gear, a fourth gear and a second synchronizer, wherein the first gear and the second gear are arranged on the first input shaft and are arranged adjacently in the axial direction and rotate synchronously; the second gear is arranged atone axial end of the first input shaft; the first synchronizer is arranged on the second input shaft and located at one axial side of the second gear and can be engaged with the second gear; the thirdgear, the fourth gear and the second synchronizer are arranged on the output shaft; the third gear and the fourth gear are arranged on the output shaft in an idle sleeving mode; the second synchronizer is located between the third gear and the fourth gear and can be engaged with the third gear or the fourth gear; the third gear and the fourth gear are engaged with the first gear and the second gear correspondingly.

The invention relates to a high-accuracy moving-coil type electromagnetic direct-drive plunger pump. The plunger pump comprises a displacement sensor, a connecting plate, an end cover, an outer yoke,an inner yoke, a coil, a skeleton, a permanent magnet array, a hydraulic cylinder block, a piston, a reset spring, a valve block, a liquid outlet valve and a liquid inlet valve. The plunger pump is characterized in that a Halbach permanent magnet array layer which is formed by arranging axial magnetizing permanent magnets and radial magnetizing permanent magnets alternatively in a close attachmentmanner is arranged on the inner side of the outer yoke or the outer side of the inner yoke in a surface mount manner, an air gap is formed between the outer yoke and the inner yoke, and the yokes arefixedly connected with the end cover and the hydraulic cylinder block to serve as a plunger pump stator; a coil assembly is winded around the skeleton and is placed into the air gap, and the skeletonis integrated with the piston to serve as a plunger pump rotor; and the axial length of the coil assembly is smaller than the axial lengths of the corresponding axial magnetizing permanent magnets, acontroller has real-time control over the position of the plunger pump rotor through feedback signals of the displacement sensor, and because of the reset spring, when the plunger pump does not work,the plunger pump is at the position of a start point of liquid suction. According to the high-accuracy moving-coil type electromagnetic direct-drive plunger pump, the working efficiency and the control accuracy of the hydraulic pump are effectively improved.

The invention provides a multi-gear double-clutch transmission and a vehicle. The multi-gear double-clutch transmission comprises an outer input shaft, an inner input shaft, a first outer output shaft, a first inner output shaft, a second outer output shaft, a second inner output shaft and a synchronization device, wherein the inner input shaft is coaxially embedded in the outer input shaft, a seventh-gear driving gear, a ninth-gear driving gear and a third-gear driving gear are fixed to the outer input shaft, and a fourth-gear driving gear, a sixth-gear driving gear, an eighth-gear driving gear and a second-gear driving gear are fixed to the inner input shaft; the first inner output shaft is coaxially embedded in the first outer output shaft, the first inner output shaft is sleeved with a ninth-gear driven gear in an idling manner, and the first outer output shaft is sleeved with a second-gear driven gear and a sixth-gear driven gear in an idling manner; the second inner output shaft is coaxially embedded in the second outer output shaft, the second inner output shaft is sleeved with a seventh-gear driven gear in an idling manner and the second outer output shaft is sleeved with a third-gear driven gear, a fourth-gear driven gear and an eighth-gear driven gear in an idling manner; and the synchronization device is used for controlling all the driven gears to be combined with and separated from the shafts of the driven gears, the first outer output shaft to be combined with and separated from the first inner output shaft and the second outer output shaft to be combined with and separated from the second inner output shaft. By the adoption of the multi-gear double-clutch transmission, the gear shifting response time is shortened.

The invention provides a multi-gear dual clutch transmission and a vehicle. The multi-gear dual clutch transmission comprises an outer input shaft and an inner input shaft which are coaxially nested,a first outer output shaft and a first inner output shaft which are coaxially nested, a second outer output shaft and a second inner output shaft which are coaxially nested, and a synchronizing device, wherein a plurality of driving gears are fixedly arranged on the outer input shaft and the inner input shaft; at least one driven gear meshed with the corresponding driving gear is sleeved above thefirst outer output shaft and the first inner output shaft; at least one driven gear meshed with the corresponding driving gear is sleeved above the second outer output shaft and the second inner output shaft; and the synchronizing device is used for controlling the combination and separation of all driven gears and shafts on which the driven gears are positioned, the combination and separation ofthe first outer output shaft and the first inner output shaft, and the combination and separation of the second outer output shaft and the second inner output shaft. According to the multi-gear dualclutch transmission, the transmission efficiency of the transmission is improved, and the reaction time of gear shifting is reduced.