SURFACE PROTECTION AGAINST CAVITATION EROSION
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United States of America Patent
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Issued Date -
Jun 9, 2022
app pub date -
Mar 6, 2020
filing date -
Mar 6, 2020
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Abstract
The present invention relates to a method for protecting surfaces of components against cavitation erosion and components provided with such cavitation protection surfaces, wherein in the surface a plurality of microcavities is provided which entrap gas such as air; the gas, air, entrapped inside the microcavities expands in the vicinity of cavitation bubbles, forming a gas cushion layer that directs cavitation jets away from the surface, thereby protecting the surface against cavitation erosion; the cavitation having a reentrant or double reentrant inlet design with typical T-shape and T-shape profile
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