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3 results about "Windage" patented technology

The term Windage can apply to several things.

High-efficiency filter sheets for air microfiltration membrane filters

InactiveCN108031209AHigh mechanical strengthIncreased mechanical toughnessDispersed particle filtrationFiltration separationPolyvinyl chlorideFilter effect
The present invention relates to a high-efficiency filter sheet for air microfiltration membrane filters. The high-efficiency filter sheet comprises a polyvinyl chloride fiber layer and a polytetrafluoroethylene fiber layer, wherein fiber filaments in the polyvinyl chloride fiber layer and the polytetrafluoroethylene fiber layer are respectively in a unidirectional arrangement, and an included angle between the fiber filaments in the polyvinyl chloride fiber layer and the fiber filaments in the polytetrafluoroethylene fiber layer is 60-65 DEG. According to the high-efficiency filter sheet, a double layer combination of the polyvinyl chloride fiber layer and the polytetrafluoroethylene fiber layer is used, and a specific angle between the fiber filaments is set, so that windage resistance and filtering effect of the filter sheet are improved; the introduced polytetrafluoroethylene fiber layer has superhigh mechanical strength and structural toughness, so that vibration caused by strongwind can be effectively suppressed, and airflow in a dust collection chamber of a vacuum cleaner is stabilized; and a filling layer is additively arranged, so that the filtering effect of the filter sheet is further improved.
Owner:SUZHOU QINGRUI AIR SYST

Air-drop accurate positioning instrument

InactiveCN111879317AWith redundancyImprove stabilityNavigation by speed/acceleration measurementsTerrainPositioning system
The invention discloses an air-drop accurate positioning instrument, which comprises an accurate positioning system, and is characterized in that the accurate positioning system comprises a processor,a communication module, a navigation module, an anti-seismic module, a supervision system, a control system, an optimized route generation module and a power system; the communication module, the navigation module, the anti-seismic module, the supervision system, the control system, the optimized route generation module and the power system are in bidirectional connection with the processor, thenavigation module comprises a Beidou navigation unit, an image recognition unit and a terrain matching unit, and the power system comprises a wind resistance conversion unit and a power adjustment unit. The invention relates to the technical field of material airdrop accurate positioning. According to the air-drop precise positioning instrument, the precise positioning system is arranged, the navigation positioning and control technology has redundancy, it is powerfully guaranteed that the positioning control technology is effective and available in real time, wind power hybrid power is used as trajectory control power, trajectory adjustment can be conducted by means of wind resistance, and the stability of the motion trajectory is further improved.
Owner:JINGCHU UNIV OF TECH
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