Class 336/59 - Vented casing

Subclass of Class 336 - Inductor devices
Definition: Subject matter wherein the inductor has a housing or casing
No. of patents: 26
Last issue date: 11/01/2011

Number	Title	Issue Date
8049587	Cooling system for a dry-type air-core reactor An air-core reactor with natural-air cooling of a winding includes first open spaces to let air flow through the winding in parallel with an axis of symmetry of the reactor and second open spaces crossing the first open spaces to let air flow through the winding ang...	11/01/2011
7443273	Arrangement for cooling of components of wind energy installations The system utilizes the flow of a medium for cooling an installation, especially a transformer. The fact is utilized that the flow of the medium, e.g. wind, automatically increases with increasing load of the transformer. The novel transformer is formed so that its ...	10/28/2008
7369024	Compact dry transformer Compact dry transformer (1A) consisting of a magnetic material core (2) provided with a first heat sink consisting of covers (10) having cooling fins (11) on the outer surface thereof. The transformer also consists of a coil assembly (...	05/06/2008
6933823	Method of installing transformer winding coils and the transformer structure formed using such method The present invention is directed to a method of installing transformer winding coils, including the steps of: providing a transforming including a magnetic core assembly, a primary winding coil, a secondary winding coil, a winding frame, and an enclosure, wherein t...	08/23/2005
6924723	Cooling system for magnetic field generating device A magnetic field generating device comprising a frame about which a current carrying coil of conductor is wound. The frame preferably includes spaced-apart side panels and an auxiliary supplementary cooling system panel. Each of the panels is configured with a plura...	08/02/2005
6914195	Distribution transformer An oil-filled pole-mounted distribution transformer comprises a tank housing a transformer core-coil assembly immersed in cooling oil. The tank is made of a corrosion-proof composite material and a radiator is provided for cooling the oil. The radiator is external t...	07/05/2005
6563410	Small footprint power transformer incorporating improved heat dissipation means A small footprint power transformer constructed so as to exhibit improved heat dissipation characteristics and an enhanced flow of a cooling medium. The transformer construction achieves small footprint by superimposing the core legs with the windings in ...	05/13/2003
6278353	Planar magnetics with integrated cooling A planar magnetic device including a planar conductive winding and planar cooling element is disclosed. The planar cooling element includes a number of cooling layers some of which may have apertures therein to create a passage that accommodates fluid flo...	08/21/2001
6154019	Controllable inductor A controllable inductor comprises at least a tubular core, a main winding (1) surrounding the core and a control winding (3) passing substantially axially through the core. It is adapted for connection to a three phase alternating current network and has ...	11/28/2000
5973583	Core assembly for coil units and method for producing the same A core assembly for coil units and a method for producing the same which can suppress a raise of temperature are provided. A secondary core (21) made of a ferrite includes a pair of core members (25, 25) which are symmetrical with respect to each other an...	10/26/1999
5936503	Controllable inductor A controllable inductor including a tubular core, a main winding (1) surrounding the core, a control winding running substantially axially to the core and an element (3) surrounding the core and arranged to support the main winding wound outside thereof i...	08/10/1999
5929737	Controllable inductor A controllable inductor including at least one tubular core (10), a main winding (5) surrounding the core and a control winding (11) running substantially axially through said core and returning substantially axially outside thereof between said core and ...	07/27/1999
5900795	Controllable inductor A controllable inductor comprises at least a tubular core (13) a main winding (5) surrounding the core, a control winding (13) passing substantially axially through the core, a ground part (15) arranged inside the main winding and an element surrounding t...	05/04/1999
5685493	Electromagnetically actuable injection valve A fuel injection valve prevents capillary flow by the provision of controlled pressure compensation. In the region of axial extension of the magnet coil, at least one radially extending transverse hole is introduced into the valve housing and this hole is...	11/11/1997
5499185	Ducted air-cooled secondary of automobile battery charging transformer The inductive charge coupler carrying the transformer primary is supplied with coolant fluid. The inductive charge receptacle mounted on the automobile has interior cooling fluid passages and there is a duct to transfer the cooling fluid from the inductiv...	03/12/1996
5225630	Transformer assembly having cooling fins and method of providing same A transformer assembly comprises a tank body enclosing a transformer and a cooling liquid. A cooling collar is fixedly attached to the outer surface of the tank body. The cooling collar is formed separately from the tank body in a corrugated shape so as t...	07/06/1993
4794487	Heat protection casing To improve the heat protection of an electronic device (7) in the case of heat radiation coming from the outside, for example solar rays, lateral radiation reflectors (12, 13; 16, 17) of 1 mm-thick aluminium plate polished on both sides and degreased are ...	12/27/1988
4746425	Cooling system for electromagnetic water treating device A device for treating aqueous solutions with magnetic lines of force includes a pipe through which the solution passes. An electromagnetic coil surrounds the pipe and a core consisting of endwise connected alternating short sections of magnetic and non-ma...	05/24/1988
4509032	Mains transformer A transformer (3) having a ferromagnetic core (5, 7) provided with windings and a metal screening device which comprises a screening sheath surrounding the core (5, 7). The screening device comprises supporting caps (25, 27) which are placed on the transf...	04/02/1985
4496923	Electrical device with improved heat dissipation An improved electrical device of the type having a coil and a base and having a thermally conductive electrical insulating material placed between the coil and the base so as to facilitate the flow of heat from the coil to the base, and further having a b...	01/29/1985
4467399	Power supply packaging arrangement A power supply packaging arrangement which utilizes transformer as the main structural component. Side panels of the package are connected to the transformer. These panels support the transformer, additional power supply circuitry and the top, front and r...	08/21/1984
4306209	Sound-proofed choke A choke for use with alternating current has a ventilated housing with a perforate inner wall and an imperforate outer wall to which the choke is connected vibration-elastically. The space between the inner wall and the jacket is filled with a sound-absor...	12/15/1981
4156221	Audio-frequency injection transformers for ripple control A coupling transformer for networks with superimposed audio frequency voltage, especially for ripple control systems, with primary and secondary windings rigidly coupled with each other and arranged about an iron core; the primary and secondary windings s...	05/22/1979
4146112	Sound reducing baffle for electrical apparatus A sound reducing baffle for air cooled electrical apparatus with a ventilated enclosure comprised of a box-like closure member positioned in front of the ventilating openings and open at the back and top thereof to permit the transfer of air. The sound is...	03/27/1979
4118755	Self-cooled metal-clad switchgear Metal-clad switchgear utilizing means to provide for self-cooling of the current transformers and primary disconnecting contacts. The support enclosure for the current transformers and the disconnecting contacts is apertured beneath the location of the cu...	10/03/1978
4032873	Flow directing means for air-cooled transformers This invention relates to improvements in systems for force-cooling transformers of the kind in which an outer helical winding and an insulation barrier nested therein form an axially extending annular passage for cooling-fluid flow. In one form of the in...	06/28/1977

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Class 336/59 - Vented casing