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Class 337/224 - Against corona (e.g., shield)


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter comprising means whereby the fusible element
No. of patents: 13
Last issue date: 02/05/2008


NumberTitleIssue Date
7327213Encapsulated fuse with corona shield
An encapsulated fuse for power distribution systems and method for producing such fuses is provided. A fuse includes a body with opposing terminals. A corona shield is generally coaxial with the fuse and substantially extends the full length of the fuse body. The co...
02/05/2008
7250843Tubular fuse component with end caps with a hermetically sealing plastic sealing body insert
A fuse component (1) has a fusible conductor (2) which extends in a gas filled cavity (3) within a cylindrical tube (4) between two end surfaces (8). Two end caps (5) of an electrically conductive material are applied to the...
07/31/2007
6806806Polymer fuse and filter apparatus
A fuse and filter arrangement having a polymer fuse apparatus that provides bypass fuse protection. A polymer bypass fuse includes of an electrical conductor wherein a portion of the conductor is surrounded by an internal electrode, which is then surrounded by a lay...
10/19/2004
6388856Polymer fuse and filter apparatus
The present invention relates to a polymer fuse apparatus that provides bypass fuse protection. A polymer bypass fuse is comprised of an electrical conductor wherein a portion of the conductor is surrounded by an internal electrode, which is then surround...
05/14/2002
6282074Polymer fuse and filter apparatus
The present invention relates to a polymer fuse apparatus that provides bypass fuse protection. A polymer bypass fuse is comprised of an electrical conductor wherein a portion of the conductor is surrounded by an internal electrode, which is then surround...
08/28/2001
6157528Polymer fuse and filter apparatus
The present invention relates to a polymer fuse apparatus that provides bypass fuse protection. A polymer bypass fuse is comprised of an electrical conductor wherein a portion of the conductor is surrounded by an internal electrode, which is then surround...
12/05/2000
6064292Electrostatic discharge protected fuse and fuse holder
An electrostatic discharge ground path for a fuse installable in a fuse holder includes an area of metallization on at least one insulating surface of the fuse extending from an exposed surface of the fuse to a contact area within the fuse holder....
05/16/2000
5903209Encapsulated fuse with corona shield
An encapsulated fuse assembly with a corona shield for use in high voltage underground power distribution systems. The fuse assembly includes a fuse encapsulated within an insulative outer housing. The outer surface of the fuse is coated with an electrica...
05/11/1999
5901045Method and apparatus for isolating component leads
A device for isolating a hazardous connection on a circuit board includes an elongated enclosure having a bore extending therethrough and a slot extending longitudinally from a first end of the enclosure. A component such as a fuse, having leads on both e...
05/04/1999
5889458Fuse assembly having radiation reflecting means
A fuse assembly including a housing and a fuse element which fuses open for protection against overcurrent or short-circuit current flows. The fuse assembly also includes reflecting means such as metal polished surfaces for reflecting radiation rays gener...
03/30/1999
4296397Fuse structure for corrosive atmosphere
A fine ozone corrosion resistant fuse wire is supported between conductive terminals which are, in turn, supported on and spaced apart by rigid insulator spacing means so that the fuse wire is extended. Insulator shield means is placed over the fuse wire ...
10/20/1981
4136339Corona reducing apparatus for a submersible electrical fuse
Semiconductive paint is applied to a narrow strip on the inside surface of an insulating enclosure for a submersible fuse. The enclosure is generally watertight. The semiconducting paint marginally overlaps two isolated regions of electrically conducting ...
01/23/1979
3946351Shielded fuse assembly
Two housing halves are joined to form a housing surrounding an electrical fuse, a sealing gasket being provided at the joint between the housing halves. A corona shield is embedded wholly within each housing half, each shield terminating on its respective...
03/23/1976
 
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