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公开(公告)号：US20190096622A1
公开(公告)日：2019-03-28
申请号：US15713892
申请日：2017-09-25
申请人： Littelfuse, Inc.
IPC分类号： H01H85/143 , H01H85/10 , H01H85/12 , H01H85/36 , H01H85/56
摘要： Approaches herein provide a multiple element fuse including a first fuse element having a first pair of terminals joined by a first fusible link, and a second fuse element including a second pair of terminals joined by a second fusible link. The first pair of terminals may be directly physically coupled with the second pair of terminals. In some embodiments, the first pair of terminals and the second pair of terminals are stacked relative to one another and joined by one or more linking elements, thus causing the first fusible link and the second fusible link to extend parallel to one another. In some embodiments, a first plurality of terminal pairs are integrally linked adjacent one another along a same plane, and then subsequently coupled to a second plurality of terminal pairs.
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公开(公告)号：US10224166B2
公开(公告)日：2019-03-05
申请号：US15164255
申请日：2016-05-25
申请人： LITTELFUSE, INC.
发明人： Michael Schlaak , Gregory Stumpo , Ken Venhaus , Derek Lasini
IPC分类号： H01H85/175 , H01H85/042 , H01H69/02 , H01H85/18 , H01H85/08 , H01H85/10 , H01H85/38 , H01H85/147 , H01H85/17
摘要： A fuse including a fuse body defining an inner cavity and having at least one fuse body aperture formed therethrough, a fuse element including a first terminal and a second terminal, a first endbell and a second endbell coupled to the fuse element, the first endbell having at least two grooves formed in a surface thereof and having a first O-ring seal disposed in at least one of the grooves, the second endbell having at least two grooves formed in a surface thereof and having a second O-ring seal disposed in at least one of the grooves, an adhesive securing the first and second endbells to the fuse body, an arc quenching material disposed within the inner cavity and contacting at least a portion of the fuse element, and end caps coupled to the fuse body, the end caps sealing a portion of the fuse element within the fuse body.
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公开(公告)号：US20180138003A1
公开(公告)日：2018-05-17
申请号：US15349160
申请日：2016-11-11
申请人： Littelfuse, Inc.
发明人： Michael Schlaak , Julio Urrea
IPC分类号： H01H85/00 , H01H85/055 , H01H69/02 , H01H85/143
CPC分类号： H01H85/0013 , H01H69/02 , H01H85/0017 , H01H85/055 , H01H85/143 , H01H85/153 , H01H2085/0008 , H01H2239/072
摘要： A fuse including a fuse body, a fuse element including a first terminal end extending from a first end of the fuse body, and a second terminal extending from a second end of the fuse body, wherein at least one of the first terminal end and the second terminal end extending out of the respective first and second ends of the fuse body include a strain relief feature, and wherein the strain relief feature is configured to flex in response to thermal fluctuation of the fuse or the surrounding components to which it is attached.
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公开(公告)号：US10483069B2
公开(公告)日：2019-11-19
申请号：US16246515
申请日：2019-01-13
申请人： LITTELFUSE, INC.
发明人： Michael Schlaak , Gregory Stumpo , Ken Venhaus , Derek Lasini
IPC分类号： H01H69/02 , H01H85/042 , H01H85/175 , H01H85/38 , H01H85/18 , H01H85/147 , H01H85/17 , H01H85/08 , H01H85/10
摘要： A fuse including a fuse body defining an inner cavity and having at least one fuse body aperture formed therethrough, a fuse element including a first terminal and a second terminal, a first endbell and a second endbell coupled to the fuse element, the first endbell having at least two grooves formed in a surface thereof and having a first O-ring seal disposed in at least one of the grooves, the second endbell having at least two grooves formed in a surface thereof and having a second O-ring seal disposed in at least one of the grooves, an adhesive securing the first and second endbells to the fuse body, an arc quenching material disposed within the inner cavity and contacting at least a portion of the fuse element, and end caps coupled to the fuse body, the end caps sealing a portion of the fuse element within the fuse body.
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公开(公告)号：US10262828B2
公开(公告)日：2019-04-16
申请号：US15606081
申请日：2017-05-26
申请人： Littelfuse, Inc.
发明人： Michael Schlaak , Gregory Stumpo , Ken Venhaus , Derek Lasini
IPC分类号： H01H69/02 , H01H85/042 , H01H85/175 , H01H85/38 , H01H85/18 , H01H85/08 , H01H85/10
摘要： A fuse includes a fuse element and a fuse body. A portion of the fuse element is housed in a fuse body. The fuse element includes a first terminal and a second terminal disposed outside of the fuse body. The first terminal and the second terminal electrically connects the fuse element to a circuit to be protected and a power source. A first endbell and a second endbell is coupled to the fuse element. A predetermined amount of arc quenching material is disposed within the fuse body. The arc quenching material contacts at least a portion of the fuse element. The predetermined amount of the arc quenching material is less than a total volume size of the fuse tube. The arc quenching material is compacted. A remaining air gap in the fuse tube is filled with a liquid adhesive and cured to a solid state.
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公开(公告)号：US20180138004A1
公开(公告)日：2018-05-17
申请号：US15351872
申请日：2016-11-15
申请人： Littelfuse, Inc.
发明人： Michael Schlaak
IPC分类号： H01H85/165 , H01H85/055 , H01H69/02
CPC分类号： H01H85/165 , H01H69/02 , H01H85/0082 , H01H85/0452 , H01H85/055 , H01H85/175 , H01H85/43 , H01H2223/002
摘要： A fuse including a first housing part and a second housing part that are joined together to define a cavity, a fuse element disposed within the cavity, a first terminal extending from a first end of the fuse element and out of the housing, and a second terminal extending from a second end of the fuse element and out of the housing, the housing having a vent channel extending from an outer surface of the housing to the cavity for allowing vapor to escape from the cavity.
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公开(公告)号：US20180061607A1
公开(公告)日：2018-03-01
申请号：US15245999
申请日：2016-08-24
申请人： Littelfuse, Inc.
IPC分类号： H01H85/38 , H01H85/045 , H01H85/175 , H01H69/02
CPC分类号： H01H85/38 , H01H69/02 , H01H85/045 , H01H85/0458 , H01H85/157 , H01H85/175 , H01H85/47 , H01H2085/388
摘要： Embodiments of the fuse include a fuse body having a first end and a second end. A fuse element is disposed within a cavity of the fuse body, an end of the fuse element extending beyond an edge of the fuse body. An arc disc is disposed on the edge of the fuse body, and includes a notch such that the end of the fuse element extends to an outer surface of the arc disc. The end of the fuse element is configured to be folded over the outer surface of the arc disc. An end cap is disposed over the end of the fuse body and the arc disc, and the end cap includes a hole at a top surface. Solder deposited within the hole provides an electrical connection between the arc disc, the fuse element, and the end cap.
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公开(公告)号：US20210183607A1
公开(公告)日：2021-06-17
申请号：US17021774
申请日：2020-09-15
申请人： Littelfuse, Inc.
摘要： An active/passive fuse module including a base, a busbar disposed on a top surface of the base and including a fuse element and first and second terminal portions extending from opposite ends of the fuse element, the fuse element extending over a cavity in the top surface of the base, a pyrotechnic interrupter (PI) disposed atop the base, the PI including a piston disposed within a shaft above the fuse element, a first pyrotechnic ignitor coupled to a controller, the first pyrotechnic ignitor configured to detonate and force the piston through the fuse element upon receiving an initiation signal from the controller, and a second pyrotechnic ignitor coupled to the busbar by a pair of leads, the second pyrotechnic ignitor configured to detonate and force the piston through the fuse element upon an increase in voltage across the leads.
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公开(公告)号：US10325746B2
公开(公告)日：2019-06-18
申请号：US15351872
申请日：2016-11-15
申请人： Littelfuse, Inc.
发明人： Michael Schlaak
IPC分类号： H01H85/165 , H01H85/055 , H01H69/02 , H01H85/00 , H01H85/43 , H01H85/045 , H01H85/175
摘要： A fuse including a first housing part and a second housing part that are joined together to define a cavity, a fuse element disposed within the cavity, a first terminal extending from a first end of the fuse element and out of the housing, and a second terminal extending from a second end of the fuse element and out of the housing, the housing having a vent channel extending from an outer surface of the housing to the cavity for allowing vapor to escape from the cavity.
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公开(公告)号：US20190148098A1
公开(公告)日：2019-05-16
申请号：US16246515
申请日：2019-01-13
申请人： LITTELFUSE, INC.
发明人： Michael Schlaak , Gregory Stumpo , Ken Venhaus , Derek Lasini
IPC分类号： H01H85/042 , H01H85/18 , H01H85/17 , H01H85/175 , H01H85/38 , H01H69/02 , H01H85/147
摘要： A fuse including a fuse body defining an inner cavity and having at least one fuse body aperture formed therethrough, a fuse element including a first terminal and a second terminal, a first endbell and a second endbell coupled to the fuse element, the first endbell having at least two grooves formed in a surface thereof and having a first O-ring seal disposed in at least one of the grooves, the second endbell having at least two grooves formed in a surface thereof and having a second O-ring seal disposed in at least one of the grooves, an adhesive securing the first and second endbells to the fuse body, an arc quenching material disposed within the inner cavity and contacting at least a portion of the fuse element, and end caps coupled to the fuse body, the end caps sealing a portion of the fuse element within the fuse body.
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