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8 results about "Liquid water" patented technology

Pneumatic control high-pressure water valve group

The invention discloses a pneumatic control high-pressure water valve group, and mainly relates to the technical field of valve equipment. A concentrated water inlet channel and a compressed air inlet channel are designed, an electromagnetic reversing valve and a cartridge water valve are integrated together through an integrating block, and therefore the high integration of the water valve group is realized; the passage connection manner of the electromagnetic reversing valve is opposite to that of an existing product, the passage connection of the valve is changed to adapt to the requirement of plate installation, the left and right outer diameters of a valve element of the cartridge water valve are exactly the same, the valve element and a valve assembly are sealed by a circumferential seal, no matter where the valve element is located, the high pressure water pressure is completely balanced, and the valve element can move only by overcoming friction force; and by means of the completely balanced type design, the compact structure is achieved, electricity, gas and liquid water are perfectly combined together through the water valve group designed in a brand new manner, flow is large, the structure is compact, the product integration degree is high, installation and connection are convenient, an independent electromagnetic pneumatic reversing valve control cabinet is omitted, and the electromagnetic pneumatic reversing valve is directly integrated on the water valve group.
Owner:济南三诺科技有限公司

Water injection device and system for subcombustible ramjet water swallowing test

ActiveCN109632316BReal simulation of spraying conditionsAccurate data supportGas-turbine engine testingJet-propulsion engine testingRamjetCombustion chamber
The invention provides a water injection device and system for a sub-combustible ramjet water swallowing test to solve the problem that the sub-combustible ramjet engine flames out or the fuel-gas mixture cannot be ignited due to swallowing liquid water during the flight process. Including the water inlet pipe and the liquid collection ring, the liquid collection ring includes N annular pipe sections arranged concentrically, the water inlet pipe is arranged along the radial direction of the annular pipe sections, and communicates with each annular pipe section; M nozzles are arranged on the liquid collection ring, The pipe wall of the annular pipe section has openings communicating with the nozzles, wherein M and N are positive integers. The water spray device of the present invention has been successfully applied to a water swallowing test of a certain type of sub-combustible ramjet engine, and the test run test under simulated real working conditions has verified the feasibility and reliability of its work and guaranteed the progress of model development.
Owner:XIAN AEROSPACE PROPULSION INST
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