31results about How to "Increase the maximum speed" patented technology

A travel control apparatus of a self-driving vehicle including an electric control unit having a microprocessor and a memory, wherein the microprocessor is configured to function as: a proximity degree calculation unit (52) configured to calculate a degree of proximity of a rearward vehicle at a rear of the self-driving vehicle (101) to the self-driving vehicle; a proximity degree determination unit (53) configured to determine whether the degree of proximity calculated by the proximity degree calculation unit (52) is equal to or greater than a predetermined degree; and an actuator control unit (57) configured to control the actuator (AC) so as to increase a maximum vehicle speed when it is determined by the proximity degree determination unit that the degree of proximity is equal to or greater than the predetermined degree than when it is determined that the degree of proximity is less than the predetermined degree.

The invention discloses an electric vehicle transmission and a speed changing method thereof, comprising a hydraulic torque converter with a locking function, a planetary gear mechanism, an oil pump, an oil pump motor, a controller, a speed reduction mechanism and a differential. The hydraulic torque converter with lock-up function includes a pump wheel, a turbine, an input shaft, an output shaft, etc., the drive motor is connected to the pump wheel through the input shaft, and the turbine is connected to the output shaft. The torque on the output shaft is transmitted to the planetary gear mechanism. The planetary gear mechanism includes sun gear, planet carrier, large ring gear, clutch, brake and other parts. The torque is output from the planet carrier through the planetary gear mechanism, and drives the vehicle to travel after passing through the reduction mechanism and the differential. The transmission can realize two mechanical transmission gears and one hydraulic torque conversion gear. The oil pump is used to provide pressure to the transmission hydraulic system. The electric vehicle transmission of the invention can improve the climbing performance and acceleration performance of the electric vehicle, and at the same time enhance the reliability of the vehicle.

The photon counting detector image generation realization method based on FPGA relates to the field of photoelectric detection technology, and the technical problem to be solved is to overcome the deficiency of the existing realization method of the space camera photon counting detector image generation unit, and the present invention realizes image generation through FPGA software unit, which reduces the hardware requirements of the system, simplifies the interface for image data transmission, and improves system reliability. By setting the buffer FIFO before and after the large-capacity memory, the parallel execution function of image data receiving and storing and data transmission and sending is realized, which meets the needs of continuous shooting, improves the processing rate of image data by the image generation unit, and ensures that the imaging system realizes the highest A performance metric for photon count rate.

A compressor (11) is connected via a clutch (13) to a crankshaft of an internal combustion engine provided with a turbocharger (12). A compressor pre-spin operation is used to reduce the transferred energy and wear when the clutch is engaged. The pre-spin is achieved by controlling the air mass flow over the compressor, wherein the air mass flow over the compressor is controlled by controlling a bypass throttle angle of a bypass throttle (18) provided in a bypass conduit (17) bypassing the compressor.

The invention provides a thrust rudder comprising a rudder base, a main rudder, a sub-rudder and a sub-rudder telescopic mechanism. The sub-rudder telescopic mechanism comprises a turntable, a turntable base, a turntable connecting rod, a vertical telescopic shaft, a vertical telescopic shaft connecting rod, a horizontal telescopic shaft and a telescopic shaft connecting rod, wherein the turntable is a round flange plate which can rotate around a shaft; the turntable connecting rod is a long and thin cylinder with two ends openings for connecting the turntable and the vertical telescopic shaft, the vertical telescopic shaft is a cylinder and a lower part horizontally projects towards left near an upper and front part of the main rudder; the horizontal telescopic shaft is a flat cube, the rear part projects the horizontal telescopic shaft connecting rod; and horizontal telescopic shaft is provided with a brake block. The thrust rudder provided by the invention can meet the needs for handling and emergently thrusting a ship, improve the trust efficiency, increase the maximum ship speed and further acquire the energy-saving effect.

The invention discloses a novel self-lubricating washing machine high-speed motor bearing, and relates to the field of bearings. The novel self-lubricating washing machine high-speed motor bearing comprises a bearing body, wherein the bearing body is sequentially provided with an outer ring, rolling bodies, retainers, an inner ring I, an inner ring II and an inner shaft sleeve from outside to inside, wherein the inner ring I and the inner ring II are arranged in parallel; each rolling body comprises a cylindrical roller I and a cylindrical roller II which are respectively arranged at the outersides of the inner ring I and the inner ring II and a ball I and a ball II which are respectively arranged at the inner sides of the inner ring I and the inner ring Ii; a fastening part is arranged at the outer side of the inner shaft sleeve; the fastening part is used for fixing the inner ring I and the inner ring II; tooth-shaped grooves are formed in the inner side of the inner shaft sleeve; the tooth-shaped grooves are used for fixing the bearing body on a rotating shaft. According to the novel self-lubricating washing machine high-speed motor bearing disclosed by the invention, through the design of the balls and the cylindrical rollers, a function of increasing the load of a bearing is well achieved; through the design of a good lubricating system and nylon retainers, the maximum rotating speed of the bearing can be greatly increased, the service life of the bearing can be prolonged, and the requirements on the high-strength and high-speed bearing of a washing machine can be met.

The invention discloses a comprehensive test stand for water-lubricated bearings for pumps. The comprehensive test stand comprises a driving transmission system, a main box, a bearing, a lubricating system, a loading system, a measuring system, a signal analyzing and processing system and the like, the driving transmission system consists of a variable-frequency motor, an elastic coupler, a step-up box and the like, the main box is a cube with a transparent top cover plate, and a spindle horizontally enters the box from a side wall, which is close to the end of the elastic coupler, of the main box. A pressure sensor, an eddy current sensor, a vibration acceleration sensor, a temperature sensor and the like are sequentially arranged and mounted on the spindle or around the spindle and used for acquiring displacement signals, rotation speed signals, phase signals, temperature signals, pressure signals, vibration signals and the like, and the sensed signals which are acquired by the various sensors in an online manner are transmitted to an upper computer to be processed, displayed and stored. The comprehensive test stand has the unique advantages of fine performance, high precision, low cost, environmental protection, zero pollution, friction reduction, energy conservation, noise and vibration reduction, fine fire resistance, easiness in maintenance and the like.

The invention discloses an excavator rotation braking energy recovery control method. When an upper body rotary platform starts to rotate, a motor controller receives a command to enable a motor to be in a power-driven state, and the motor with an electricity generation function is driven to reach a certain work rotation speed. When the upper body platform stops rotating, the motor controller sends reverse torque signals to the motor, so that hydraulic oil of an oil outlet of a rotary motor pushes a recovery motor, due to the fact that the motor has a certain rotation speed, the motor can quickly response to the torque of the recovery motor to generate and store electricity, pressure reduction of a braking opening of the rotary motor is reduced, overflow loss is reduced, the maximum rotation speed of the motor is improved, electricity generating time is lengthened, and maximum efficient rotation braking energy recovery is achieved.

The invention relates to a method for operating a centrifugal separator (1) associated with a primer mover and / or a working machine, the centrifugal separator (1) comprising at least one rotatably mounted rotor (10) that can be rotated at a variable speed by means of a drive (2) controlled by a control unit (3). The method according to the invention is characterised in that the speed of the rotor(10) is controlled according to the sound emissions of the primer mover and / or according to the sound emissions of the working machine.

The invention discloses a high-strength washing machine high-speed motor bearing and relates to the field of bearings. The high-strength washing machine high-speed motor bearing comprises a bearing body. The bearing body is sequentially provided with an outer ring, a rolling body, a retainer, a first inner ring, a second inner ring and an inner shaft sleeve from outside to inside. The first inner ring and the second inner ring are arranged side by side. The rolling body comprises a first cylindrical roller arranged on the outer side of the first inner ring, a second cylindrical roller arranged on the outer side of the second inner ring, a first rolling ball arranged on the inner side of the first inner ring and a second rolling ball arranged on the inner side of the second inner ring. A fastening portion is arranged on the outer side of the inner shaft sleeve. The fastening portion is used for fixing the first inner ring and the second inner ring. The inner side of the inner shaft sleeve is provided with a toothed groove which is used for fixing the bearing body to a rotating shaft. By means of the design that the rolling balls are combined with the cylindrical rollers, the effect of increasing the load of the bearing is well achieved, the largest rotating speed of the bearing can be greatly improved due to the design of a good lubricating system and a nylon retainer, the service life of the bearing is prolonged, and the requirement for the high-strength and high-speed bearing of a washing machine is met.