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1. 发明申请

US20220314157A1 PASSIVE DUST FILTER FOR AN INSPECTION HATCH 有权
公开(公告)号：US20220314157A1
公开(公告)日：2022-10-06
申请号：US17714273
申请日：2022-04-06
申请人： Benetech, Inc.
发明人： Robert Huskisson
IPC分类号： B01D46/71 , B01D46/00 , B01D46/04 , B01D46/58 , B01D46/44
摘要： The invention is directed to a passive dust filtering system for an inspection hatch of steel bulk storage vessel. The system includes a filter containment unit and an adaptor section for securing the unit to the storage vessel. The adaptor section includes a mounting flange having one or more magnetic switches to engage the storage vessel. A purge control system is used to periodically pulse air into filter elements in the filter containment unit to blow dust from the outside of the filter elements back into the vessel.

2. 发明授权

US11457787B2 Filter cleaning 有权
公开(公告)号：US11457787B2
公开(公告)日：2022-10-04
申请号：US16624391
申请日：2018-06-20
申请人： Hilti Aktiengesellschaft
发明人： Oliver Ohlendorf
IPC分类号： A47L9/10 , A47L9/20 , B01D46/04 , B01D46/42 , B01D46/71 , B01D46/90 , B01D46/24 , A47L9/12 , B01D46/52 , A47L9/22
摘要： A filter device for a vacuum cleaner, including a turbine device, for generating at least one first and one second main air flow through at least a portion of the vacuum cleaner, and a control unit. The filter device includes a first chamber including a first filter element, a first outflow opening, a first inlet opening and a first pressure surge element, which divides the first chamber into a first and a second space and is reversibly movable between a first and a second position, the first main air flow being able to flow into the first space of the first chamber through the first filter element and to flow back out through the first outflow opening, a second chamber including a second filter element, a second outflow opening, a second inlet opening and a second pressure surge element, which divides the second chamber into a first and a second space and is reversibly movable between a first and a second position, the second main air flow being able to flow into the first space of the second chamber through the second filter element and to flow back out through the second outflow opening. The first pressure surge element and the second pressure surge element alternately are reversibly movable to alternately clean the first and second filters.

3. 发明授权

US11435097B2 Air cleaning module 有权
公开(公告)号：US11435097B2
公开(公告)日：2022-09-06
申请号：US17036813
申请日：2020-09-29
申请人： SEOUL VIOSYS CO., LTD.
发明人： Ji-Won Kim , Jae-Hak Jeong , Sang-Chul Shin
IPC分类号： F26B21/06 , F24F8/10 , F24F13/28 , B01D46/24 , F24F13/20 , B01D46/04 , B01D46/10 , B01D46/00 , B01D46/71
摘要： An air cleaning module includes a filter, a fan, a light source unit, a housing and a guide structure. The fan is configured to provide a suction direction and a blowing direction of a fluid which are substantially aligned. The light source unit is arranged to be adjacent to the filter to emit a light toward the filter. The light having a property that sterilizes a contaminant source in a fluid. The housing includes a fluid passage space. The guide structure is arranged between the fan and the filter and configured to guide a fluid to move along a fluid passage path set by the guide structure. The filter and the light source unit are arranged in the fluid passage space such that the light source unit sterilizes a fluid as a fluid flows toward the light source unit.

4. 发明申请

US20220111476A1 DUST COLLECTOR WITH FILTER CLEANING MECHANISM 有权
公开(公告)号：US20220111476A1
公开(公告)日：2022-04-14
申请号：US17557564
申请日：2021-12-21
申请人： MILWAUKEE ELECTRIC TOOL CORPORATION
发明人： Joseph R. Beeson , Daryl S. Richards , Tyler S. Sigafoose , Cheng Liang Zhang
IPC分类号： B23Q11/00 , B23B45/00 , B01D46/04
摘要： A dust collector for use with a power tool comprises a housing, a telescoping suction pipe coupled to the housing, a suction fan positioned in the housing and operable to generate a vacuum in the suction pipe, a dust container coupled to the housing and positioned upstream of the fan, a filter at least partially arranged in the dust container, and a filter cleaning mechanism. The filter cleaning mechanism includes an anvil, a striker moveable between a first striker position, in which the striker is spaced from the anvil, and a second striker position, in which the striker is in contact with the anvil. The filter cleaning mechanism further includes an actuator moveable between a first actuator position and a second actuator position, in which the actuator is moved closer to the anvil than in the first position, and a first spring biasing the striker toward the anvil.

5. 发明授权

US11260334B2 Dust collector and dust removal method for same 有权
公开(公告)号：US11260334B2
公开(公告)日：2022-03-01
申请号：US16518673
申请日：2017-12-12
申请人： SINTOKOGIO, LTD.
发明人： Takashi Suzuki , Hiroyuki Amano , Kazuhiko Kitahora , Masanori Uchida , Koh Saito
IPC分类号： B01D46/00 , B01D46/04 , B01D46/52
摘要： An object of the present invention is to provide a dust collector including a pulse jet type dust removal mechanism capable of uniformly removing dust over the entire length of a cylindrical filter without increasing the pressure loss of the cylindrical filter; and a dust removal method for such a dust collector. The dust collector of the present invention is a dust collector including a pulse jet type dust removal mechanism for removing dust adhered to cylindrical filters, in which the pulse jet type dust removal mechanism includes: a first discharge section having first discharge nozzles for discharging pulse jets from first end side openings of the cylindrical filters toward inside of the cylindrical filters; and a second discharge section having second nozzles for discharging pulse jets from second end sides of the cylindrical filters toward openings on the first end side of the cylindrical filters, and the second nozzles for discharging are each provided on a tip side of a pipe line extending from the first end side to the second end side of the cylindrical filter.

6. 发明授权

US11235433B2 Dust collector with filter cleaning mechanism 有权
公开(公告)号：US11235433B2
公开(公告)日：2022-02-01
申请号：US16226712
申请日：2018-12-20
申请人： MILWAUKEE ELECTRIC TOOL CORPORATION
发明人： Joseph R. Beeson , Daryl S. Richards , Tyler S. Sigafoose , Cheng Liang Zhang
IPC分类号： B23Q11/00 , B23B45/00 , B01D46/04 , B25F5/02 , B01D46/00
摘要： A dust collector for use with a power tool comprises a housing, a telescoping suction pipe coupled to the housing, a suction fan positioned in the housing and operable to generate a vacuum in the suction pipe, a dust container coupled to the housing and positioned upstream of the fan, a filter at least partially arranged in the dust container, and a filter cleaning mechanism. The filter cleaning mechanism includes an anvil, a striker moveable between a first striker position, in which the striker is spaced from the anvil, and a second striker position, in which the striker is in contact with the anvil. The filter cleaning mechanism further includes an actuator moveable between a first actuator position and a second actuator position, in which the actuator is moved closer to the anvil than in the first position, and a first spring biasing the striker toward the anvil.

7. 发明授权

US10543444B2 Bag filters having controlled air permeability and dust collectors using the same 有权
公开(公告)号：US10543444B2
公开(公告)日：2020-01-28
申请号：US15418159
申请日：2017-01-27
申请人： KOREA INSTITUTE OF ENERGY RESEARCH
发明人： Hyun-Seol Park , Joon-Mok Shim , Yun-Haeng Joe , Jeong-Gu Yeo
IPC分类号： B01D46/00 , B01D46/02 , B01D46/04
摘要： The present invention provides a dust collector which includes a chamber divided into an inlet chamber and a discharge chamber by a barrier, and a bag filter which is installed inside of the inlet chamber, and is formed in a shape having an inner space and an opening part by a filter medium, so as to communicate with the discharge chamber through the opening part, wherein a treatment gas is introduced into the inlet chamber and is filtered while passing through the filter medium of the bag filter, then moves to the discharge chamber through the opening part to be discharged, and the bag filter has air permeability decreased toward the opening part. According to the bag filter and the dust collector, it is possible to achieve a high collection performance and a stable operation even when using a long bag filter due to improvement of uniformity of the filtration velocity along the length of the bag filter.

8. 发明授权

US10507422B2 Localized ventilation systems and methods 有权
公开(公告)号：US10507422B2
公开(公告)日：2019-12-17
申请号：US15276517
申请日：2016-09-26
申请人： SPRIMO, INC.
发明人： Raymond Combs , Chunxiao Han , Daniel K. Harden , Jovan Pantelic
IPC分类号： B03C3/32 , B01D46/04 , B01D46/02 , B01D46/46 , B01D35/30 , B01D45/12 , B01D50/00 , F24F3/16 , F24F11/00 , B01D46/00 , B01D46/24 , B01D46/42 , B01D46/44 , F24F7/06 , F04D17/16 , F04D29/70 , F24F11/30 , F24F110/64 , F24F120/10
摘要： Systems and Apparatus for a personal ventilation system that provides a personalized column of clean air surrounding a user's space is presented. The personal ventilation system includes an air purifier with a fan and an annular gap downstream of the fan. The annular gap has an inner radius that is within 95% of the outer radius. The annular gap structure allows the air purifier to produce a column of air with an entrainment ratio lower than other commercially available fan. At a distance of 1.5 meters, the air purifier is configured to have an entrainment ratio of lower than 40%. The air purifier also has a removable filter located upstream of the fan. The ventilation system is capable of delivering highly-localized filtered air to a user or location.

9. 发明授权

US10507415B2 Closure system for a filter door in an industrial extraction system 有权
公开(公告)号：US10507415B2
公开(公告)日：2019-12-17
申请号：US15241409
申请日：2016-08-19
申请人： Nilfisk A/S
发明人： Maurizio Montalti , Cesare Bondioli
IPC分类号： B01D46/04 , B01D46/42 , E05B65/06 , E05D15/48 , E06B7/28 , E06B5/00 , B01D46/00 , E05D3/02
摘要： A filter door for closing a filter housing, in an industrial extraction system, wherein the filter door is fastened, with at least two locking elements relative to the housing surface wherein the filter door is pivotally arranged on one side by a slotted guide on the housing surface and is provided with a movable pivot axis. An industrial extraction system is also provided.

10. 发明授权

US10300421B1 Dust collector air inlet control system 有权
公开(公告)号：US10300421B1
公开(公告)日：2019-05-28
申请号：US15374357
申请日：2016-12-09
申请人： Henry Copeland
发明人： Henry Copeland
IPC分类号： B01D46/00 , B01D46/04 , B01D46/42
摘要： A dust collector includes a pneumatic duct chamber and a bag house interconnected by a valve assembly to provide incremental and varying air pressure within the bag house to prevent damage to the filter bags disposed within the bag house due to sudden changes in air pressure.

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