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430results about How to "Reduce vertical size" patented technology

Foundation-based atmosphere profile microwave detector

The invention provides a foundation-based atmosphere profile microwave detector. The detector is characterized by comprising an antenna feeder unit, a radiometer receiving unit and a scanning mechanism unit, wherein the antenna feeder unit comprises two independent antenna feeder sub-units for two wavebands and is provided with two-frequency independent reflective surfaces; the two independent antenna reflective surfaces are arranged at two ends of the output shaft of a scanning motor respectively, can realize beam scanning through motor rotation, and are used for receiving microwave radiation of atmosphere and an internal calibration reference source; the radiometer receiving unit comprises a directional coupler, a radio amplifier, a power divider, a band pass filter, a square law detector, an integrator and a video amplifier, and is used for realizing intermediate frequency detection of a received signal; the scanning mechanism unit comprises a scanning shaft, a scanning step motor, two front ends and a sub-miniature type A (SMA) connector; and driven by the scanning motor, the scanning shaft drives the two reflective surfaces to circumferentially scan so as to realize observation on sky in different incident angles and measurement on an internal calibration blackbody and acquire data which is acquired in a measurement and periodic internal calibration unit.
Owner:NAT SPACE SCI CENT CAS

Rotary-tillage, mulching and earthing machine

A rotary-tillage, mulching and earthing machine comprises a frame, a rotary tiller, a shaping and compacting roller, a film suspension and a soil splitting board, wherein the rotary tiller is mounted below the front of the frame, the shaping and compacting roller is mounted at the rear of the rotary tiller, the film suspension is mounted below the rear of the frame, the soil splitting board is arranged above the film suspension, the rotary tiller is provided with a rotary blade shaft, and spoon-shaped rotary blades are disposed on the rotary blade shaft. When the rotary-tillage, mulching and earthing machine is operated, the rotary tiller crushes soil, and the spoon-shaped rotary blades take up the crushed soil. When the rotary blades rotate to a certain height, the soil in the spoon-shaped rotary blades is cast over the shaping and compacting roller to spikes welded on the sol splitting board and is crashed onto the spikes, and the soil is then evenly scattered to the surface of a mulching film spread on the film suspension, so that operations of rotary tillage, mulching and earthing are realized. A soil conveying mechanism between the rotary tiller and the soil splitting board of the machine is omitted, so that the longitudinal size and the overall weight of the rotary-tillage, mulching and earthing machine are reduced, and the problem that the rotary-tillage, mulching and earthing machine cannot be suspended to the rear of the mini-tiller due to the small rear space of the mini-tiller is solved.
Owner:GANSU TAOHE TRACTOR MFG

Transversely-arranged double-power-source vehicle driving assembly

The invention discloses a transversely-arranged double-power-source vehicle driving assembly. The transversely-arranged double-power-source vehicle driving assembly comprises a first power source, a second power source and an automatic transmission. The automatic transmission is provided with a first input shaft and a second input shaft. The power sources are connected with the two input shafts correspondingly. A first intermediate shaft, a second intermediate shaft and the second input shaft are arranged in the direction coaxial with the first input shaft. A third intermediate shaft is parallelly arranged with the first input shaft. A fourth intermediate shaft is arranged in the direction coaxial with the third intermediate shaft. A first gear on the first intermediate shaft is in engagement transmission with a second gear on the third intermediate shaft. A third gear on the second intermediate shaft is in engagement transmission with a fourth gear on the second intermediate shaft. A differential mechanism is provided with a fifth gear. The third gear is in engagement transmission with the fourth gear, and the fourth gear is in engagement transmission with the fifth gear at the same time. According to the transversely-arranged double-power-source vehicle driving assembly, on the one hand, the longitudinal size of the driving assembly is shortened, and the driving assembly is suitable for compact-structure vehicles, and on the other hand, the number of the used gears is small, so that the transmission structure is simplified.
Owner:JING JIN ELECTRIC TECHNOLOGIES (BEIJING) CO LTD
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