Two-stage series pressurization direct-driven centrifugal air compressor of fuel cell engine
A technology of centrifugal air compressors and fuel cells, which is applied in liquid fuel engines, engine components, machines/engines, etc., can solve the problems of rotor-spindle speed reduction, support component damage, and increased friction loss, etc., to avoid gears Effects of meshing vibration noise, avoiding accuracy changes, and suppressing axial movement
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[0039] A high-power (10kW) high-speed (50000rpm) high-speed two-stage series supercharged direct-drive centrifugal air compressor that meets the full working conditions of vehicle fuel cell engine. Its structure is as follows figure 1 with figure 2 As shown, the air compressor is driven by a motor to rotate. The air compressor is provided with a left end volute 34 and a right end volute 1. The left end volute 34 is provided with an air inlet, an air outlet, and a left end volute cover 30, and a right end volute 1 An air inlet, an air outlet, and a right volute end cover 5 are provided on the upper part. During operation, the air outlet of the left volute 34 is connected to the air inlet of the right volute 1. The left and right sides of the air compressor are also provided with a left end motor end cover 28 and a right end motor end cover 6, the left end volute end cover 30 and the left end motor end cover 28 are connected and fixed by the left end connecting bol...
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