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44results about How to "Ensure design" patented technology

E-plane waveguide directional coupler and 16-way waveguide power divider applying coupler

The invention belongs to the technical field of microwave communication, and particularly relates to an E-plane waveguide directional coupler and a 16-way waveguide power divider applying the coupler. The coupler comprises a first rectangular waveguide and a second rectangular waveguide which are constructed by E-plane coupling; and a ladder-shaped section for realizing a broadband phase supplementation function is arranged on the second rectangular waveguide, so that the low-amplitude volatility of each output port of a power divider with a high power division rate can be ensured. The 16-way waveguide power divider applying the coupler comprises two groups of waveguide E-plane power dividers, wherein a first E-plane waveguide directional coupler is arranged between the last-stage E-T branch waveguide of the first waveguide E-plane power divider and the previous three stages of power dividing networks, and a second E-plane waveguide directional coupler is arranged between two groups of waveguide E-plane power dividers, so that the amplitude uniformity and phase uniformity of the 16-way power divider can be effectively improved, the problem of large amplitude fluctuation of the power divider with a large power division rate can be synchronously solved, and a broadband designing requirement can be realized.
Owner:ANHUI SUN CREATE ELECTRONICS

Vertical assembling device and method for molten carbonate fuel cell stack

The invention provides a vertical assembling device and method for a molten carbonate fuel cell stack, and belongs to the technical field of cell assembling. The vertical assembling device for the molten carbonate fuel cell stack comprises a rack, a bottom plate, and a pressing plate which is provided with an upper pressing plate and a lower pressing plate which are oppositely arranged, the upper pressing plate and the lower pressing plate are connected through a tightening screw rod; a cell stack is placed between the upper pressing plate and the lower pressing plate; the device further comprises an insulating plate which is provided with an upper insulating plate and a lower insulating plate; the upper insulating plate is arranged between the cell stack and the upper pressing plate; the lower insulating plate is arranged between the cell stack and the lower pressing plate; the device further comprises a driving device which is arranged at the upper end of the rack; and the driving end of the driving device is suitable for abutting against the upper pressing plate and providing pressure for the upper pressing plate. The vertical assembling device for the molten carbonate fuel cell stack is reasonable in structural design, good in compatibility with existing equipment and simple to operate.
Owner:HUANENG POWER INTERNATIONAL +1

32-channel waveguide E-plane power divider

The invention belongs to the technical field of microwave communication, and particularly relates to a 32-channel waveguide E-plane power divider. The 32-channel waveguide E-plane power divider comprises two groups of 16-channel sub-power dividers which are in left and right mirror distribution, wherein each 16-channel sub-power divider comprises a first waveguide E-plane power divider and a second waveguide E-plane power divider; each first waveguide E-plane power divider is provided with a first E-plane waveguide directional coupler; a second E-plane waveguide directional coupler is arranged between each first waveguide E-plane power divider and the corresponding second waveguide E-plane power divider; a third E-plane waveguide directional coupler is connected with each first E-plane waveguide directional coupler and the corresponding second E-plane waveguide directional coupler; each E-plane waveguide directional coupler comprises a first rectangular waveguide and a second rectangular waveguide of an E-plane coupling structure; and each second rectangular waveguide is provided with a ladder stage for achieving a broadband phase compensation function. The 32-channel waveguide E-plane power divider has the advantages of a high broadband, a high power dividing ratio, a small amplitude fluctuation and good phase consistency; and the amplitude consistency and the phase consistency of an existing 32-channel power divider can be effectively improved.
Owner:ANHUI SUN CREATE ELECTRONICS

Hybrid four-gear transmission adopting double long-wheelbase motors

The invention discloses a hybrid four-gear transmission adopting double long-wheelbase motors. The transmission comprises a solid input shaft, a hollow input shaft, double clutches, an output shaft, adifferential, a first transmission mechanism and a second transmission mechanism, wherein the first transmission mechanism is arranged between the solid input shaft and the output shaft; and the second transmission mechanism is arranged between the hollow input shaft and the output shaft. The transmission further comprises a first motor and a second motor, wherein the first motor is connected with the differential through the second transmission mechanism, the second motor is directly connected with the differential, and the first motor and the second motor adopt high-speed high-efficiency long-wheelbase motors with the same wheelbase. According to the transmission, the two motors are arranged between the two ends of the solid input shaft in the axial direction, and the first motor is asclose to the input shafts as possible in the radial direction, so that the position of the differential is approximate to the position of a traditional transmission, the space change of an auxiliary frame of the whole vehicle is avoided as much as possible, and the length of a short half shaft of the differential is ensured to ensure the design and configuration of the included angle of a ball cage.
Owner:吉泰车辆技术(苏州)有限公司

A 32-way waveguide e-plane power splitter

The invention belongs to the technical field of microwave communication, and in particular relates to a 32-way waveguide E-plane power divider. The present invention includes two sets of sixteen-way sub-power splitters distributed in left and right mirror images; each sixteen-way sub-power splitter includes a first waveguide E-plane power splitter and a second waveguide E-plane power splitter; the first waveguide E-plane power splitter The first E-plane waveguide directional coupler is set at the power divider, and the second E-plane waveguide directional coupler is set between the first waveguide E-plane power divider and the second waveguide E-plane power divider; the third E-plane waveguide directional coupler Connect the first E-plane waveguide directional coupler and the second E-plane waveguide directional coupler; each E-plane waveguide directional coupler includes a first rectangular waveguide and a second rectangular waveguide with an E-plane coupling structure, and the second rectangular waveguide is provided with It is used to realize the step section of broadband phase compensation function. The invention has the advantages of high broadband, high power split ratio, small amplitude fluctuation and good phase consistency, and can effectively improve the amplitude consistency and phase consistency of the current 32-way power splitter.
Owner:ANHUI SUN CREATE ELECTRONICS
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