Bizarre Patents
A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6624736 | Fuse 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 |
| 5936507 | Bayonet-type fuse housing assembly having a vent tube A fuse housing assembly having a fuse holder housing for receiving a fuse holder. The fuse housing is mountable to a transformer tank that holds a dielectric liquid. When the fuse holder and fuse are inserted into the fuse housing that is mounted to the t... | 08/10/1999 |
| 5592139 | Air-convection-cooled dry well for high-voltage current-limiting fuse for use in liquid or gas insulated switchgear Methods and apparatus for fusing high-voltage electrical systems including fuse holding dry wells each of which includes a metallic outer wall, a fuse mount and a chimney tube located between the outer wall and a fuse in the mount. The dry wells may be mo... | 01/07/1997 |
| 5576682 | Fuse holder and method for assembling A fuse holder (2) for use in electrical apparatus includes a tubular body (6) having outer and inner ends (10, 16). A first electrical contact element (22) and a mounting flange (8) are secured to the inner and outer ends, preferably using resilient retai... | 11/19/1996 |
| 5227758 | Bayonet-type fuse and fuseholder assembly A tubular fuseholder housing carries two sets of generally-stationary contacts located at points spaced apart along the length of the housing. Within the housing is a fuse comprising a cartridge and, at opposite ends of the cartridge, terminal contacts fo... | 07/13/1993 |
| 5204654 | Fuse housing having fluid sealing assembly A fuse housing for an oil-cooled transformer that uses a stopper to prevent oil from escaping the transformer tank as the fuse and fuse holder are removed. During normal operation, the stopper is held in an open position by the fuse holder. When the fuse ... | 04/20/1993 |
| 5148351 | Cooling apparatus for enclosed current limiting fuses Cooling rings of resilient thermally conductive material are installed over a current limiting fuse prior to insertion in a canister housing. The cooling rings provide a heat conduction path from the fuse to the canister wall, thereby reducing heat build ... | 09/15/1992 |
| 4818967 | Fused high voltage bushing A current limiting fuse for a transformer bushing including a glass tubing, an elongate ribbon spirally wound in the tubing, the ribbon including a number of tabs formed integral therewith to space the ribbon inwardly of the walls of the tubing, a termina... | 04/04/1989 |
| 4808964 | Erosion resistant high current draw-out fuseholder A draw-out fuseholder 10 is made containing a first, electrically conductive metal fuse contact 11 having an outer chamfer 12 and a circumferential top surface 13, a second, extended, electrically conductive metal fuse contact 14 having an inner chamfer 1... | 02/28/1989 |
| 4808963 | Replaceable high current draw out fuseholder A drawout fuseholder 10 is made, containing two electrically conductive contacts 11 and 12 and having an insulating tube 13 connected thereto and disposed therebetween, where the tube tube has a smooth, hard inner surface 15 and outer surface 16 of glass ... | 02/28/1989 |
| 4628292 | Under 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 |
| 4625196 | Modular under oil expulsion fuse cartridge assembly A modular 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 s... | 11/25/1986 |
| 4365227 | Method and apparatus for fusing electrical power equipment enclosed in a tank and surrounded by insulating fluid A vacuum fuse is mounted in an insulating oil filled tank containing electrical apparatus and is directly immersed in the insulating oil. A fuse ferrule contact block is suspended in the insulating oil. The suspension for the contact block permits insulat... | 12/21/1982 |
| 4320375 | High current under oil expulsion fuse A high current under oil expulsion fuse having a pair of contacts mounted on a dielectric sleeve, a nontracking, nonconducting pressure tube within the sleeve which extends beyond the dielectric housing into a portion of each of the contacts, a fuse link ... | 03/16/1982 |
| 4227170 | Current-reducing device A current-reducing device (fuse or switch) is described comprising a foil mber of Al or Mg which is immersed in a fluid with which it will chemically react (such as H2 O or H2 O2) above a certain temperature. The foil memb... | 10/07/1980 |
| 4220941 | High continuous current capacity oil expulsion fuse having multiple, unidirectionally vented, sealed bores A high voltage oil expulsion fuse having multiple fuse wire bores which vent into opposed chambers which communicate with the oil medium for convective flow of oil through the bores during normal operation is provided wherein a pressure sensitive valve as... | 09/02/1980 |
| 4205295 | High 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 |
| 4189695 | Current limiting fuse device employing cooling and insulating medium The present invention is a current limiting fuse device for protecting a power semiconductor element for use in a large current device such as DC-AC or AC-DC converter from overcurrent. The current limiting fuse device includes an outer casing filled with... | 02/19/1980 |
| 4170000 | Method and apparatus for fusing electrical power equipment enclosed in a tank and surrounded by insulating fluid A vacuum fuse is mounted in an insulating oil filled tank containing electrical apparatus and is directly immersed in the insulating oil. A fuse ferrule contact block is suspended in the insulating oil. The suspension for the contact block permits insulat... | 10/02/1979 |
| 4081778 | Dry well fuseholder A dry well fuseholder for use with electrical apparatus containing a dielectric liquid. The holder has an outer, liquid-tight, tubular shell and a number of components inside the shell abutting coaxially in the following order: an annular fitting adapted ... | 03/28/1978 |
| 4058785 | Current limiting fuse A current limiting fuse is disclosed wherein at least one fuse element is employed and each such fuse element is positioned in a narrow space filled with dielectric fluid adjacent a rigid electrically insulating member with a plurality of rupturable vents... | 11/15/1977 |
| 4041434 | Cooled electric fuse In fuses embodying this invention each of the terminal elements has a port for the passage of fluid through the casing of the fuse during normal operation thereof, i.e. while the fuse is carrying current. A tubular fusible element conductively interconnec... | 08/09/1977 |
| 4010437 | Fuse holders for transformers A fuse holder for a transformer comprising a generally tubular housing secured at one end to the transformer end wall and enclosing the fuse. A tapered resilient adapter sleeve is disposed within the outer end of the housing and carries a bushing well for... | 03/01/1977 |
| 4002949 | Transformer protective system A current limiting fuse and an oil expulsion or weak link type fuse are connected in series with each other and with a transformer primary winding and a grounded element having a part disposed adjacent one end of the expulsion fuse is arranged so that an ... | 01/11/1977 |
| 3990031 | Electrical bushing containing a full-range current-limiting fuse A current-limiting fuse capable of interrupting a wide range of current values is located within the bore of a porcelain insulator. One end of the fuse is connected to an outer terminal which is located at one end of the bushing insulator. The other end o... | 11/02/1976 |
