| 摘要 |
A cleaning device comprising an enclosure, a cover allowing it to be opened in order to place an object to be cleaned within the enclosure, a supply of cleaning fluid, the enclosure comprising a piston that can move thanks to a motor, a geometry allowing a contact with an external fluid reservoir when the piston occupies a certain position within the enclosure in order to generate a sudden release of pressure, the device comprising an outlet valve remaining closed when the piston increases the volume of the enclosure so as to cause the pressure reduction within the enclosures.
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