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Class 337/203 - With gaseous venting or expulsion means (from the housing)


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter including means whereby any gas originating
No. of patents: 18
Last issue date: 11/06/2007


NumberTitleIssue Date
7292130Fusible link and battery fuse unit containing the fusible link
A fusible link adapted to be connected to a battery terminal and a compact and thin battery fuse unit that contains the fusible link and battery terminal. The link, formed by punching out an electrically conductive metallic plate, includes an input side connecting-s...
11/06/2007
6992560Fuse structure
The invention relates to a fuse structure, which includes a non-conductive tube connecting both ends with two respective metal caps and an inner resistance filament being inside. The improvement is an aperture being formed on the non-conductive tube for exhausting i...
01/31/2006
6930585Miniature fuse
A box-like case for a miniature fuse comprises a first and second plastic assembling members having the same form, each of the assembling members has a base part provided with a pair of first grooves, a side plate part formed as a unitary one-piece structure as the ...
08/16/2005
6762670Fuse apparatus with explosion-proof structure
The present invention relates to a fuse apparatus with explosion-proof structure, which includes a connector connecting with two conductive legs, a fuse mounted on the connector, and a cap covering the connector. The characteristic is to provide a horizontal hole an...
07/13/2004
6624736Fuse housing with rate release control plug
A fuse housing assembly is disclosed that includes a rate release plug that prevents the emission of large quantities of dielectric oil from a transformer tank upon removal of a fuse holder from a bayonet-type fuse holder. The rate release plug allows pre...
09/23/2003
6542063Electric fuse
A pair of electrodes are provided through a base. A cap and the base constitute a chamber, and are connected to each other by fitting projections provided on the base, into locking grooves formed in the cap. A fuse element is connected to upper portions o...
04/01/2003
5179436Electric fuse
The invention relates to an electric fuse with a fuse element located in a housing which encases a fuse element chamber. The fuse element melts and thus cuts out the fuse under an overcharge, whereby the temperature and pressure in the interior of the cas...
01/12/1993
5097244Bus mounted capacitor expulsion-type fuses
An electrical fault protective device for providing power interruption in electrical circuits rated up to 10,000 amperes and above. The device comprises a single- or double-vented expulsion-type fuse, connected at one vented end to a hollow bus and at the...
03/17/1992
4970619Electrical fault protective device
An electrically conductive expulsion fuse manifold and bus for connecting and mounting a plurality of fuses which upon operation expel gases into the manifold is shown and described. The expulsion fuses are attached to the manifold by means of clamps, fla...
11/13/1990
4904977Supersonic expulsion fuse
This invention provides a supersonic expulsion fuse for interrupting fault currents in high voltage alternating current networks. It creates an arc interruption region with a long length of supersonic turbulent flow and little or no subsonic plasma. This ...
02/27/1990
4857879Drop-out expulsion fuse
An ejecta trap for a drop out expulsion fuse of the type comprising an elongate insulating body with a conductive head fitting and tail socket. The tail socket is pivotally connected to the tail fitting and the head and tail fittings are adapted to electr...
08/15/1989
4808962Fuse
A fuse comprises a housing formed of synthetic resin, and the housing including a peripheral wall having an upper opening, a fuse-element, which is melted by an excessive electrical current flowing therethrough, fixedly disposed in the housing and at leas...
02/28/1989
4736181Fuse link
A fuse link for an expulsion fuse used in connection with high voltage electrical transmission lines. The fuse link has an outer assembly in the form of a tube, a fuse element housed within the outer assembly, electrical connecting means serially connecte...
04/05/1988
4628291Full range oil expulsion fuse
An oil expulsion fuse having a pair of contacts solidly secured to the ends of a high strength outer insulating tube. A resilient non-conducting inner sleeve is mounted within the bore of the insulating tube and contact assembly, the sleeve and tube being...
12/09/1986
4628292Under oil expulsion fuse cartridge assembly
An under oil expulsion fuse cartridge assembly includes a tubular housing of non-electrical conductive material, an electrically conductive contact removably threadedly mounted on each end of the housing, and a replaceable fuse assembly removably received...
12/09/1986
4275372Protected electrical inductive apparatus
Protected liquid-filled electrical inductive apparatus having a dry well fuse assembly which includes a dry well fuse holder sealingly disposed through an opening in the associated metallic casing, separate from the electrical bushings, and a removable fu...
06/23/1981
4205295High continuous current capacity oil expulsion fuse
An oil expulsion fuse has multiple rupture-resistant fuse wire arc bores for providing fault current protection in high voltage distribution circuits in the 25-35 KV range. In preferred forms, the fuse has a Teflon core defining three discrete, small diam...
05/27/1980
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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