Rotary Air Impeller Patents (Class 15/342)
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Patent number: 11819180Abstract: Described herein is a vacuum device. In various embodiments, the vacuum device includes a vacuum housing; a motor housing coupled to the vacuum housing; a motor disposed in the motor housing and configured to apply suction toward the vacuum housing; an inlet nozzle releasably coupled to a side of the vacuum housing and configured to receive a waste material; and a disposable vacuum bag disposed in the vacuum housing and configured to receive the waste material that passes through the inlet nozzle.Type: GrantFiled: July 5, 2022Date of Patent: November 21, 2023Inventor: Marcella Hinton
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Patent number: 11667021Abstract: A power tool includes a motor having a motor shaft that rotates about a motor axis in a first rotational direction. The power tool also includes a fan assembly attachable to the motor shaft for rotation in the first rotational direction. The fan assembly includes a fan body, a bearing having a race that rotates with the fan body, and a flywheel rotatably affixed to the fan body. The race is freely rotatable relative to the motor shaft in the first rotational direction, and fixed against rotation relative to the motor shaft in a second rotational direction opposite the first rotational direction. The flywheel has a central portion that defines a central bore, and the race is received into the central bore and rotatably affixed to the flywheel.Type: GrantFiled: April 5, 2019Date of Patent: June 6, 2023Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: Matthew R. Bailey, Will Didier, Jeffrey C. Hessenberger
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Patent number: 10945384Abstract: A blowing-suction machine includes an engine, a volute, a vent assembly and a vacuum pipe. The engine is installed at an upper end of the volute; the vent assembly is installed at a front end of the volute; an output shaft of the engine in the volute is coupled to a vane; a first shaft of a self-propelled device is coupled to a lower end of the first shaft; both ends of a second shaft of the self-propelled device are coupled to a wheel self-propelled device and a rolling-sweeping-combing device respectively; and the vacuum pipe has an end coupled to the vent assembly and the other end disposed in front of a garbage deposit box. This disclosure features a simple structure and a clever design and provides the self-propelled, automatic sweeping, automatic grass combing, and garbage crushing functions to improve the blowing-suction rate significantly and provide a convenient use.Type: GrantFiled: April 30, 2018Date of Patent: March 16, 2021Assignee: NINGBO DAYE POWER MACHINERY CO., LTD.Inventor: Zhiqiang Wu
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Patent number: 10188250Abstract: A compact machine for cleaning floors includes a solution tank and dispensing system for dispensing solution onto the surface to be cleaned, a deck assembly for guiding dirty solution to a recovery pickup point, a mechanically operated pump for collecting the dirty solution from the recovery pickup point, and a recovery tank for receiving the collected fluid.Type: GrantFiled: September 8, 2014Date of Patent: January 29, 2019Assignee: Kärcher North America, Inc.Inventors: Daniel C. Venard, Adam Bearup
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Patent number: 9655486Abstract: A surface cleaning head includes a removable rotatable driven agitator, such as a brush roll, which is driven by a drive mechanism that axially engages the driven end. The removable rotatable driven agitator may be located in an openable agitator chamber for purposes of removing debris and/or removing the agitator. The openable agitator chamber may be covered by an external cover that is movable between an open position and a closed position. The removable agitator may be secured in the agitator chamber by the external cover. Different removable agitators with different characteristics may be used interchangeably in the surface cleaning head. The surface cleaning head may also include one or more transparent regions (e.g., on the openable cover) to allow visual inspection of the agitator during use.Type: GrantFiled: July 16, 2015Date of Patent: May 23, 2017Assignee: SharkNinja Operating LLCInventors: Kai Xu, AiMing Xu, Erin Burke
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Patent number: 9526389Abstract: A surface cleaning head includes an openable agitator chamber to provide access to an agitator, such as a brush roll, for purposes of removing debris and/or removing the agitator. The openable agitator chamber is covered by an external cover that is movable between an open position and a closed position. A sealing member may be located between the external cover and a surface cleaning head housing and around a perimeter of the agitator chamber. A surface cleaning head includes a removable rotatable agitator, such as a brush roll, which is driven by a drive mechanism that axially engages the driven end. At least one end of the removable agitator may be secured in the agitator chamber by the external cover. The surface cleaning head may also include one or more transparent regions (e.g., on the openable cover) to allow visual inspection of the agitator during use.Type: GrantFiled: June 19, 2015Date of Patent: December 27, 2016Assignee: SharkNinja Operating LLCInventors: Jason B. Thorne, Kai Xu, AiMing Xu, Andre David Brown, Courtney J. Hopkins
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Patent number: 8640300Abstract: Disclosed herein are Apparatus for the collection of recyclable or waste material. The apparatus comprises a movable element for drawing ambient air into the apparatus through an inlet, in use, thereby creating a suction force that draws the recyclable or waste material into the apparatus through the inlet. The apparatus is arranged such that material drawn into the apparatus impacts the movable element, and the apparatus further comprises a compactor for reducing the volume occupied by the recyclable or waste material.Type: GrantFiled: February 23, 2010Date of Patent: February 4, 2014Assignee: Recresco LimitedInventor: Steven Gent
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Patent number: 7958596Abstract: A vacuum assembly module mountable to a work machine attachment for providing dust-reducing capabilities is provided. The vacuum assembly module is a self-supported unit and can be mountable to work machine attachments such as rotary brooms, cold planers, and the like to retrofit the attachment with dust-reducing capabilities. The vacuum assembly module includes a central frame that provides an air flow passage. The central frame supports a filter and a fan within the air flow passage. A fan motor operably drives the fan to draw air through the air flow passage and filter. The fan motor is operably connected to an auxiliary power source, such as a work machine. An optional vibrator may be included for operably shaking and dislodging debris from the filter. The vacuum assembly module may be attached to a debris collecting bin to form a vacuum having a hose.Type: GrantFiled: December 1, 2008Date of Patent: June 14, 2011Assignee: Paladin Brands Group, Inc.Inventor: Randall Craig Torno
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Patent number: 4815157Abstract: A floor cleaner of the present invention has wheels provided on a main body casing which is journaled to a proximal portion of an operation handle, a rotary cleaning body on each side end portion of which is mounted a driven roller which is freely engageable by a respective one of the wheels, individual rotatable auxiliary rotary cleaning bodies located at both side end portions of the main body casing, respectively, and ducts communicating one of the dust collecting chambers, the chambers having dust intakes that respectively face the rotary cleaning body.Type: GrantFiled: October 28, 1987Date of Patent: March 28, 1989Assignee: Kabushiki Kaisha HokyInventor: Toshihiro Tsuchiya