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87results about How to "Reduce body weight" patented technology

Turbine engine using compressed air as working energy

The invention discloses a turbine engine using compressed air as a working energy. The turbine engine comprises a gas source system, a controlling system, a working system and a lubricating system, as well as a gas distributing mechanism, a transmission mechanism and an auxiliary mechanism, wherein the gas source system is supplied with a gas source by an air compressor and/or a compressed air storage container and is connected in series by pipelines; the control system is arranged between the gas source system and the working system and comprises an electronic monitoring device and a control valve; the working system comprises a shell and at least a group of air cylinder and piston arranged inside the shell; and the lubricating system comprises a lubricating oil duct, an engine oil pump, an engine oil filter and a valve arranged in the air cylinder. By using the compressed air as a working medium, the engine can create a working environment and condition that an absolute pressure difference between the pressure of the compressed air source and that of the non-working air in a working chamber exists. On the basis of further optimizing the structure of working and transmission systems, potential of the compressed air can be efficiently and adequately converted into turbine mechanical energy, and furthermore, mechanical work is output externally.
Owner:彭学军

Brazed honeycomb panel internal floating roof storage tank

The invention discloses a brazed honeycomb panel internal floating roof storage tank. The storage tank comprises a tank body and a floating plate which is arranged in the tank body in a sliding mode,wherein the floating plate comprises a floating plate framework, a floating cabin structure and a sealing ring plate structure, the floating plate framework comprises an annular main framework and a net-shaped branch framework which is arranged in the main framework, the floating cabin structure is arranged in the floating plate framework and comprises a plurality of floating cabins arranged sideby side, the floating cabins are made of aluminum honeycomb panels, the floating cabins are connected together through sealing ribs and screws, and the sealing ring plate structure surrounds the edgeof the floating cabin structure and is tightly attached to the inner wall of the tank body so as to enable the space formed by the floating plate and the tank body to be in a sealed mode. According tothe storage tank, the phenomena of plate sinking or plate overturning caused by overweight and corrosion of the floating plate or aggregation on the plate surface are avoided, the floating cabins aretightly attached to one another and can make full contact with stored oil products, the gas space is completely eliminated, the use safety of the storage tank is ensured, in addition, volume capacityof the oil storage tank can be enlarged to a certain extent, and economic benefits are improved.
Owner:CHANGZHOU LIDAO METALLIC MATERIAL MFG

Complete multichannel white body welding spot detection system

The invention discloses a complete multichannel white body welding spot detection system which comprises a plurality of ultrasonic welding spot detection probes and a multichannel signal acquisition analyzer. The ultrasonic welding spot detection probes are connected with a white body through special probe fixtures and used for detecting key welding spots on the white body, one side of the multichannel signal acquisition analyzer is connected with the ultrasonic welding spot detection probes, and acquired and analyzed data are transmitted to a computer. The multichannel white body welding spot detection system converts high-frequency signals into ultrasonic signals through the ultrasonic welding spot detection probes, the signals are transmitted according to an order set by the system to cover a target area, the ultrasonic welding spot detection probes receive reflected ultrasonic signals and then convert the ultrasonic signals into electric signals which are transmitted to the multichannel signal acquisition analyzer, processed information is transmitted to a computer, and developed special software is used for graphically displaying the acquired signals on the computer and performing indicator evaluation for the signals.
Owner:HUNAN UNIV AISHENG AUTO TECH DEV

Intelligent remote-controlled four-wheel-drive plant protection machinery and control method thereof

The invention discloses intelligent remote-controlled four-wheel-drive plant protection machinery, and relates to the technical field of agricultural machineries. The intelligent remote-controlled four-wheel-drive plant protection machinery comprises a vehicle frame, wheels, a spraying system, a control system and batteries. The intelligent remote-controlled four-wheel-drive plant protection machinery also comprises driving motors, wheel brackets and a pump motor, wherein the driving motors can be brushless gear motors or center motors, and are separately mounted on each of the wheels or each of the wheel brackets; the control system is connected with the driving motors and the pump motor; the batteries comprise motor batteries and a pump battery, wherein the motor batteries are separately arranged on the corresponding wheel bracket or the vehicle frame, and used for supplying electricity for the corresponding driving motors; the pump battery is arranged on the vehicle frame, and used for supplying electricity for the pump motor; and the rotating speed of each of the wheels is controlled by the corresponding driving motor which is controlled by a driving motor controller, so that starting, straight going, steering and stopping are realized. The intelligent remote-controlled four-wheel-drive plant protection machinery disclosed by the invention not only can be used for plant protection, but also can be applied for farming operations including fertilizing, sowing and the like. According to the intelligent remote-controlled four-wheel-drive machinery disclosed by the invention, the application range is wide, the agricultural production cost is reduced, the efficiency is improved, and profits are increased.
Owner:HEFEI DUOJIA AGRI SCI & TECH

Body-in-white lightweight optimization design method

The invention discloses a body-in-white light weight optimization design method, and particularly relates to the field of body-in-white light weight, and the optimization design method comprises the following steps: S1, determining a single-degree-of-freedom system model, and determining a displacement curve of a system and a structure during vibration based on a structural dynamics generalized coordinate method, S2, building a system motion equation, employing a rigidity method of a direct balance method, and building a calculation model; s3, comparing equation data with the body-in-white structure, whereini inertia force FI represents braking performance data of the body-in-white structure, and elastic force FS represents bending, turning and torsion performance data of the body-in-whitestructure. By changing materials, optimizing the design method and improving the manufacturing process, the number of parts of the automobile body can be reduced by about 20-30%, the mass of the automobile body is reduced by 15-25%, the torsional rigidity is improved by 60-70%, the vibration characteristic is improved by 30-40%, meanwhile, the bending rigidity and the impact load are enhanced, and the method is direct in process, more visual in design data and better in light weight effect.
Owner:HUNAN MECHANICAL & ELECTRICAL POLYTECHNIC
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