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[CN201880053151.X] Hydraulic press including radial runner
[CN201880053151.X] Hydraulic press including radial runner Title: Hydraulic press including radial runner Application number: CN201880053151.X Applicant: Voith Patent Co., Ltd. Application date: 2018-8-9 Patent type: Invention application A hydraulic press includes a mixed-flow runner, a top cover and a lower cover, and the upper crown includes a sealing device to seal the space between the upper crown and the top cover, and prevent water from at least one from the high pressure side, the at least one passage is capable of discharging high pressure leakage water through the sealing device to the low pressure side, and the passage includes an inlet hole in a portion of the upper crown that is exposed to high pressure leakage water during operation, and the passage is located in one of the blades and leads from the inlet hole to the lower crown, wherein the passage forms an opening that leads to the space between the lower crown and the lower cover, the top cover includes an air inlet to introduce air into the chamber between the top cover and the upper crown.
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