4results about How to "Avoid leakage loss" patented technology

The present application relates to the technical field of fuel cell, in particular to a hydrogen battery water-gas separation device for unmanned aerial vehicle, which comprises a separation shell, a cyclone separation cavity, a heat exchange condensation cavity and a hydrogen mixing cavity are sequentially arranged from bottom to top in the separation shell, a multi-stage separation and heat exchange combined structure is adopted, the technical problem that the traditional gas-liquid separator cannot completely remove the micron-sized droplets is solved, the efficient removal of liquid water droplets is realized through the cyclone separation cavity, the heat exchange between the new hydrogen and the wet hydrogen is carried out through the heat exchange condensation cavity, the residual droplets are fully condensed and precipitated, the mixed hydrogen gas with the required dryness is finally output, and the problem of fuel cell anode flooding is effectively avoided.

This invention relates to the field of experimental equipment technology, and particularly to an NMR combustion-explosion dynamic load multi-field coupling experimental device and method. The technical solution includes a control module, an impact module, a detection module, and a vibration reduction module; wherein, the control module includes an operating platform, a transmission line, an engine, a fuel tank, an oxygen tank, connecting pipes, a high-temperature resistant fuel nozzle, and a high-temperature and pressure resistant gas sealing pipe; the operating platform is located behind the engine. This invention achieves graded control of dynamic load through combustion-explosion-electromagnetic composite loading, integrates simultaneous detection of multiple physical fields such as nuclear magnetic resonance, acoustic waves, and resistivity, sets up multi-level vibration reduction and dissipation structures to absorb residual kinetic energy, adopts a high-temperature and high-pressure resistant sealing design to ensure safety, simulates ground temperature, ground stress, and pore fluid fields to reproduce the deep in-situ multi-field coupling environment, and is centrally controlled and automatically reset by the operating platform, thereby realizing a laboratory simulation of deep dynamic disasters with flexible and adjustable parameters.

The invention relates to the technical field of vulcanizing machines, and discloses an adjustable throttling piece for vulcanization shaping and a vulcanizing machine thereof.The adjustable throttling piece comprises a driving mechanism and a throttling mechanism, the throttling mechanism is in transmission connection with the driving mechanism, the driving mechanism comprises a motor, the output end of the motor is connected with a shaft rod, and the exterior of the shaft rod is connected with a worm; the throttling mechanism comprises a fixed disc and a rotary disc, the outer portion of the rotary disc is embedded in an inner cavity of the worm wheel, curved grooves are evenly formed in the transmission end of the fixed disc, inner cavities of the curved grooves are slidably connected with round arms, and the outer portions of the round arms are connected with sealing mechanisms. According to the adjustable throttling piece for vulcanization shaping and the vulcanizing machine thereof, when the multiple sets of sealing pieces are attached, the air bags are inflated and expand to fill the sealing grooves, the overall air tightness of the throttling mechanism can be effectively improved, leakage or pressure loss of vulcanization raw materials in the conveying process is avoided, the stability of the vulcanization shaping process is guaranteed, and meanwhile the utilization rate of the raw materials is increased.

The invention relates to a mounting structure and a mounting method for an adjustable stationary blade, a gas compressor and a gas turbine engine. The mounting structure comprises an adjustable stationary blade, the adjustable stationary blade comprises a blade body, a first connecting part and a second connecting part, the first connecting part and the second connecting part are connected with the radial inner end and the radial outer end of the blade body respectively, and the first connecting part is provided with a first platform part connected with the blade body and a first rotating shaft part protruding out of the first platform part; the second connecting part is provided with a second platform part connected with the blade body and a second rotating shaft part protruding from the second platform part, the first platform part and the first rotating shaft part form a first shaft shoulder, and the second platform part and the second rotating shaft part form a second shaft shoulder; the intermediate case comprises an intermediate case outer ring and an intermediate case inner ring positioned on the radial inner side of the intermediate case outer ring; the first bushing is arranged on the first connecting part in a sleeving manner; and the second bushing is arranged on the second connecting part in a sleeving manner.