Matches 1 - 50 out of 286 1 2 3 4 5 6 >


Match Document Document Title
7902951 Hermetically sealed electrical apparatus  
An electric apparatus, preferably a transformer, is hermetically sealed and filled with a dielectric liquid. Devices for recording heat-related volume variations of the dielectric liquid are...
6384322 Hermetic enclosure having air pressure adjustable function  
A hermetic enclosure having an air pressure adjustable function, which can adjust inside air pressure of the hermetic enclosure, is provided. In order to prevent devices in the hermetic enclosure...
5976226 Means to ensure a minimum of gas content in liquids used for heat exchange and insulating purposes with complementary means for liquid expansion into vessels with variable volumes  
The invention, intended for large power transformers and industrial heat transfer installations, is systemic in nature and calls upon two components which complement each other, the first one...
5629495 Waterproof box-like casing  
A waterproof box-like casing including, a box-like body having an opening, a lid for closing the opening and having a communication hole, and a bulkhead member for covering the communication hole...
5466890 Expansion joint for an electrical conduit which is electrically grounded through the expansion joint  
Two electrical conduit sections are attached to a thermal expansion joint which permits relative axial movement between the conduit sections. One of the conduit sections has an end portion which...
5324886 Insulating-liquid immersed electrical machine  
An insulting-liquid immersed electrical machine comprises an electrical machine, a hermetically sealed tank containing the electrical machine, and insulating liquid arranged between the electrical...
5122926 Housing for an electric device  
A housing for an electric device, such as a power transformer or an X-ray tube, comprises a tank which contains electric components of the device and which is filled with an insulating and/or...
5047744 High voltage fluid filled transformer  
A transformer of the type used to produce high voltage for an electrostatic field apparatus has a hermetically sealed container. The container encloses a coil assembly having primary and secondary...
4759811 Method for repair or accessing pressurized cable  
A unique air vent is provided for use with heat-recoverable closures when installed on pressurized cables. Typically, when a heat-recoverable closure is used to repair a hole or opening in the...
4700272 Apparatus and method for compensation of thermal expansion of cooling fluid in enclosed electronic packages  
In an electronic package in which a fluid is encased to provide efficient thermal transfer between electronic components and cooling plate, the thermal expansion of the cooling fluid is...
4693540 Pressure regulating devices  
A pressure regulating device for fluidtight, fluid-filled apparatus comprises a solid body with a shallow recess in a surface enclosed by a flexible diaphragm. A narrow passage, preferably of...
4609900 High-voltage transformer with liquid cooling  
In a high-voltager transformer including a closed casing, a magnetic core with at least one winding, a cooling liquid filling the casing and surrounding the winding, and insulated casing...
4580002 Method and apparatus for replacing flammable oil in an electrical cable and cable so treated  
Method and apparatus for replacing flammable, insulating oil in an oil-filled electric cable by non-flammable, insulating oil in which the flammable oil is withdrawn at least from the cable oil...
4555587 Enclosure for a power supply  
An enclosure includes a closed housing having a wall dividing the housing into a first compartment containing a high voltage portion of the power supply and a second compartment containing a low...
4502032 Ebullition cooled transformer  
An ebullition cooled transformer has a housing, a core and coil assembly disposed on the lower portion of the housing to be immersed into a condensible electrically insulating refrigerant, a...
4331830 Housing for electrical components  
A heat dissipating container for electrical components immersed in a liquid dielectric in one chamber and for electrical components surrounded by an air dielectric in another chamber. A flexible...
4251681 Compressed gas insulated high voltage line  
A compressed gas insulated high voltage line which has a metal encapsulation and supports the high voltage conductors on support insulators in which movability of the conductor in the axial...
4145679 Vaporization cooled and insulated electrical inductive apparatus  
Electrical inductive apparatus cooled and electrically insulated by a vaporizable liquid dielectric having a boiling point within the normal operating temperature range of the apparatus. When the...
4097681 Interface for high voltage oil-filled and gas-filled apparatus  
Gas-insulated electrical apparatus is connected to oil-insulated electrical apparatus within an intermediate oil-filled tank having an oil pressure lower than the pressure within the oil-insulated...
4092484 Arrangement to prevent corona discharge and electric rupture in high voltage electrical components  
The arrangement includes an enclosed container containing therein high voltage electrical components. A dielectric oil is disposed in and completely fills the container. A volume/pressure...
4066496 Cryogenic expansion joint for large superconducting magnet structures  
An expansion joint is provided that accommodates dimensional changes occurring during the cooldown and warm-up of large cryogenic devices such as superconducting magnet coils. Flattened tubes...
4058671 Electrical penetration assembly  
An electrical penetration assembly for a nuclear reactor containment wall in which solid copper conductors are removably mounted into the penetration canister from outside the containment wall....
4057453 Method for manufacturing and laying out phase cores for oil-filled cables and a device for accomplishing same  
The invention relates to a method of manufacturing phase cores for oil-filled cables and apparatus therefor, whereby a current-carrying core is obtained by means of twisting together a number of...
4053700 Coupling flex-plate construction for gas-insulated transmission lines  
A coupling flex-plate member comprising a circular metallic member having a centrally-disposed annular groove provided therein, providing a generally H-shaped cross-section, is fixedly secured to...
3963297 Underwater pressure compensated electrical connector  
An underwater electrical connector having an oil filled chamber in one connector member behind the insulator therein in which the contacts are mounted. A pressure compensating bellows is mounted...
3934453 Conservator system  
A conservator system for transformers includes a conservator tank. The apparatus is filled with oil which is saturated with a non-combustible gas. The conservator tank is connected by conduits to...
3892937 Apparatus for underwater welding of metal structures  
Apparatus for the underwater welding of metal structures comprising a hermetically sealed housing wherein are accommodated an electric motor and a reducing gear immersed in a lubricant which is...
3819845 TERMINATION FOR METAL ENCLOSED, COMPRESSED GAS INSULATED ELECTRICAL CONDUCTOR  
A high voltage conductor is enclosed in a grounded metal enclosure. The conductor is insulated from the enclosure by a compressed insulating gas. The conductor extends through while its enclosure...
3750088 HIGH PRESSURE ELECTRICAL FEED-THROUGH FITTING  
A high pressure electrical feed-through fitting, such as for providing connections between electrical cables in an underwater environment and the interior of a vessel, has a pressure-barrier...
3728463 EXPANSION AND CONTRACTION COMPENSATION ARRANGEMENT FOR SUPERCONDUCTING CABLES  
A compensation arrangement for accommodating the contraction occurring in superconducting cables as they are cooled down to the operating temperature. The superconducting cable is of the type...
3670276 HERMETIC TRANSFORMER  
A hermetically-sealed completely oil-filled high voltage transformer of small size and rugged construction for use over a wide range of ambient temperature and ambient pressure. Required expansion...
3629487 PRESSURIZED MULTISTRAND CABLE AIR BYPASS AND TESTING DEVICE  
Sections of relatively soft, resilient tubes are inserted through a gas barrier into the pressurized portion of multistrand cables. The free ends of the tubes are connected to a self-closing valve...
3597522 VIBRATION DAMPER FOR CONDUCTORS  
In a damper comprising a conductor-grasping element and a weight, said element providing a box-shaped housing so that a portion of said weight can be introduced into it, whereby elastic or...
3595984 POWER CABLE TERMINATION  
A tee connector for a pair of power distribution cables and a rigid insulating bushing, comprising a central housing having a pair of parallel-disposed cable termination legs, and a relatively...
3566001 GAS-FILLED BUSHING WITH SPRING BIAS CLAMPING AND INTERNAL FLEXIBLE SHUNT  
A hollow insulation column has a central conductor extending therethrough, and the insulation column is filled with a high-pressure gas, such as sulfur hexafluoride, under greater than atmospheric...
3564119 PRESSURE-EQUALIZING ACCESSORY FOR CABLES  
A cable-pressure-equalizing accessory having a cup-shaped member fixed to the outer end of a tubular fitting. The latter is equipped with adjustable split ring means for holding the tubular...
3549780 CONTRACTION JOINT  
1,273,091. Electric couplings. SIMPLEX WIRE & CABLE CO. 5 Jan., 1970 [15 Jan., 1969], No. 402/70. Heading H2E. A contraction joint 10 for joining two aluminium conductor tubes 11, 12 insulated by...
3485930 COOLING OF OIL-FILLED ELECTRICAL POWER CABLES  
1,177,716. Cooling cables. PIRELLI S.p.A. 29 Nov., 1967 [16 Dec., 1966; 9 June, 1967], No. 53108/67. Heading H1A. [Also in Division F4] In a closed cooling system for an electric power cable 1,...
3485936 COMPACT THERMAL EXPANSION ABSORBING UNIT FOR ELECTRIC POWER BUSWAYS  
3479444 ELECTRICAL CONNECTION BETWEEN MOVABLE PARTS  
3470307 CAPACITORS  
1,108,098. Oil-filled capacitors. STANDARD TELEPHONES & CABLES Ltd. 26 Aug., 1966, No. 38410/66. Heading H1M. The hermetically sealed housing for an oilfilled capacitor 1 includes a chamber 2...
3469862 EXPANSION JOINTS WITH FROZEN SEALS  
1,130,911. Expansion joints. ENGLISH ELECTRIC CO. Ltd. 8 March, 1966 [9 March, 1965], No. 9963/65. Heading F2G. [Also in Division G1] An annular space 20 formed between members 12, 13 connected to...
3454842 CAPACITOR COOLING MEANS  
1,240,859. Capacitors. GENERAL ELECTRIC CO. 8 Oct., 1968 [24 Nov., 1967], No. 47690/68. Heading H1M. End walls 2c, 2d of a capacitor casing shown in cross-section are flexible to respond to...
3453359 PROCESS FOR MAKING CORRUGATED TUBING  
3448219 PRESSURE BALANCING CONSERVATOR FOR A TRANSFORMER  
1,157,390. Transformers. S. NAKAZAWA, and T. NAKAZAWA. 31 Oct., 1967 [26 Dec., 1966], No. 42517/67. Heading H1T. The upper surface 8 of an expansible cell 4 in the oil-conservator for an...
3447552 SEAWATER HYDRAULIC SYSTEM FOR DEEP SUBMERGENCE SALVAGE AND EXPLORATION VEHICLES  
3422853 WATER HAMMER ARRESTER WITH CONTROLLED ORIFICE  
3411069 Capacitive volage transformer and current transformer combination unit  
3390017 Sealed electrochemical cell provided with a flexible casing  
3389213 Expansion joints for isolated phase bus bars and ducts  

Matches 1 - 50 out of 286 1 2 3 4 5 6 >