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    • 6. 发明授权
    • Swimming pool vacuum
    • US11286682B2
    • 2022-03-29
    • US16791573
    • 2020-02-14
    • Dan Dietrich
    • Dan Dietrich
    • E04H4/16
    • A self-contained electrically powered and fully submersible swimming pool vacuum includes a vacuum head having a housing with an elongate vacuum mouth at a bottom end, a discharge opening at an opposite top end and a thrust channel extending therebetween. An electrically powered motor is supported within the thrust channel and drives a propeller to create a thrust through the housing from the vacuum mouth through the thrust channel and out from the discharge opening. A catch bag is removably secured to the top discharge opening for collecting debris sucked through the vacuum mouth. The vacuum includes an onboard power supply, a smart power switch for driving the motor at different speeds and for detecting and clearing motor jams, all contained within a watertight housing fixed to an outer side of the vacuum housing. In one embodiment, the onboard power supply is a lithium ion rechargeable battery.
    • 9. 发明授权
    • Irrigation assembly
    • US11179513B2
    • 2021-11-23
    • US16688654
    • 2019-11-19
    • PREVA, LLC
    • Keith RubinKen SolovayJames LayerAlex Desimone
    • A61M3/02
    • An assembly structured for concurrent irrigation and aspiration of a nasal cavity including a housing having a supply container disposed therein for the removable retention of irrigating fluid. A nasal applicator comprises first and second passages respectfully structured to deliver irrigating fluid to the nasal cavity and concurrently remove waste fluid therefrom. An activating assembly includes a plunger biased into a continuous pressure applying, dispensing relation to the irrigating fluid and a valve assembly is selectively disposable into an open position facilitating fluid communication between the supply container and the applicator for the delivery of the irrigating fluid therethrough into the nasal cavity. The activating assembly is further structured to create a negative pressure within the chamber which communicates with the second passage of the applicator to facilitate delivery of the waste fluid therefrom along a path of travel to an interior of the chamber.