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公开(公告)号：USD826496S1
公开(公告)日：2018-08-21
申请号：US29624086
申请日：2017-10-30
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公开(公告)号：US20210001356A1
公开(公告)日：2021-01-07
申请号：US16918071
申请日：2020-07-01
摘要： A negative-pressure dust collector system employs a dust separator device to separate the dust that is entrained in a stream of dust-laden air, exhausts the air stream to a vacuum-inducing machine, and discharge the separated dust downward into a bagger arrangement. The latter employs an open-bottom generally rigid hopper with a grid across its open bottom. A flexible dust collection bag is clamped onto an exterior of the hopper and hangs from the hopper. Under vacuum, the bag closes off the open bottom of said hopper. The grid has openings dimensioned so that dust in the container passes freely through the grid when the vacuum-inducing machine is shut off, but so that the bag may be sucked up against the grid, but not sucked into the open-bottom hopper when vacuum is applied. A flexible apron may be attached to the bottom of the hopper between the grid and the dust-collection bag.
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公开(公告)号：US11458485B2
公开(公告)日：2022-10-04
申请号：US16918071
申请日：2020-07-01
摘要： A negative-pressure dust collector system employs a dust separator device to separate the dust that is entrained in a stream of dust-laden air, exhausts the air stream to a vacuum-inducing machine, and discharge the separated dust downward into a bagger arrangement. The latter employs an open-bottom generally rigid hopper with a grid across its open bottom. A flexible dust collection bag is clamped onto an exterior of the hopper and hangs from the hopper. Under vacuum, the bag closes off the open bottom of said hopper. The grid has openings dimensioned so that dust in the container passes freely through the grid when the vacuum-inducing machine is shut off, but so that the bag may be sucked up against the grid, but not sucked into the open-bottom hopper when vacuum is applied. A flexible apron may be attached to the bottom of the hopper between the grid and the dust-collection bag.
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公开(公告)号：US20240225391A1
公开(公告)日：2024-07-11
申请号：US18207377
申请日：2023-06-08
发明人： John J. Fitzsimmons , Robert M. Witter , Jeffrey Hill , Joseph Baldwin , Alexander M. Lippassaar , David J. Safran
CPC分类号： A47L9/1608 , A47L9/165 , A47L9/1658 , A47L9/1683 , A47L9/1691 , B01D45/16 , B04C3/06 , B04C9/00 , B65D43/0204 , B65D43/065 , B65D45/16 , B04C2009/005 , B65D2543/00092 , B65D2543/00555 , B65D2543/0099
摘要： A low-profile dust collector assembly incorporates a low-profile cyclonic separator into a lid for a dust collection bucket. An outer lid ring can be formed of coffers that add strength to the lid and also reduce swirl in the air below the lid. The cyclonic separator has a shell rising from an inner circumference of the lid ring and has a horizontal inlet tube and central vertical outlet tube. A baffle for the separator includes a baffle plate fitted within the inner circumference and a turret of vertical members arranged with a top ring that fits onto the outlet tube. This compact arrangement has improved performance in airflow and dust separation. A spring clamp assists in fitting onto buckets over a range of diameters, and a pair of circumferential gaskets at right angles to one another form an air-tight seal.
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公开(公告)号：US11844488B2
公开(公告)日：2023-12-19
申请号：US17855682
申请日：2022-06-30
CPC分类号： A47L9/242 , A47L7/0095 , A47L9/248 , B08B15/04 , F16K3/0281 , F16K3/312 , F16K31/084
摘要： The gate housing has a flow passage therethrough, the flow passage having an inlet and an outlet. The gate housing also includes a gate pocket configured to receive a blast gate and to allow the blast gate to slide therein between an open position and a closed position. The magnetic brake element is on the gate housing and includes a magnet mounted to the gate housing such that a magnetic force of the magnet extends into the gate pocket.
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