H01F 29 - Variable transformers or inductances not covered by group

Patents for H01F 29 - Variable transformers or inductances not covered by group (3,889)
11/2013
11/27/2013	CN103413646A Voltage control based adjustable inductor
11/27/2013	CN101640958B Variac type non-contact shift voltage-reduction power saver for low-voltage lighting
11/26/2013	CA2537700C Controllable inductive device
11/21/2013	WO2013170405A1 Vacuum arc-extinguishing changeover selector
11/21/2013	WO2013170404A1 Switching structure of moving contacts and fixed contacts of tap selector
11/20/2013	CN203300418U Transformer structure with multiple transformation ratios
11/20/2013	CN203300417U On-load capacity-regulating combination transformer
11/20/2013	CN203300416U On-load capacity-regulating voltage-regulating combination transformer
11/20/2013	CN203300415U On-load voltage-regulating combination transformer
11/20/2013	CN203300414U On-load voltage-regulating and on-load capacity-regulating transformer
11/20/2013	CN203300413U On-load capacity-regulating transformer
11/20/2013	CN203300412U On-load capacitance adjusting switch high voltage primary loop structure
11/20/2013	CN203300411U Transformer externally hung on-load tap switch
11/20/2013	CN203300368U Adjustable inductor
11/20/2013	CN103403819A Dynamically biased inductor
11/20/2013	CN103400706A Load selector for on-load tap-changer
11/20/2013	CN103400687A Transformer type magnetically-controlled reactor
11/14/2013	WO2013167372A1 Secondary distribution network transformer
11/14/2013	DE102012207800A1 Ortsnetz-Transformator Local network transformer
11/07/2013	DE102012103855A1 Wähler für einen Stufenschalter Voters for a tap changer
11/06/2013	EP2659495A1 Transformer-rectifier unit
11/06/2013	CN203277069U Novel electric energy optimizing machine
11/06/2013	CN203277048U Composite multifunctional high voltage wire
11/06/2013	CN203277046U Tap device for random combination and connection of a plurality of coils
11/06/2013	CN203277022U Power transformer for household electric water heater in humidity environment
11/06/2013	CN203277013U Bracket used for transformer load switch
11/05/2013	CA2506051C Power source for plasma device
10/2013
10/31/2013	WO2013160089A1 On-load tap changer
10/31/2013	DE102012104089A1 Verfahren zur Ausmittelung eines Laststufenschalters A method for averaging a load tap changer
10/31/2013	DE102012103736A1 Verfahren zur Funktionsüberwachung eines Stufenschalters Method for monitoring the operation of a tap changer
10/30/2013	CN103377847A Internal gear control mechanism of tap switch for transformer
10/30/2013	CN103377804A Variable parameter transformer core
10/30/2013	CN102306936B Magnetron reactor capable of adjusting starting point
10/24/2013	DE102012103490A1 Verteiltransformator zur Spannungsregelung von Ortsnetzen Distribution transformer for voltage regulation of local networks
10/24/2013	DE102012103489A1 Laststufenschalter OLTC
10/24/2013	DE102012103048A1 Regeltransformator Regulating transformer
10/23/2013	CN203250645U Lower central sleeve of combined-type on-load tap changer selector
10/23/2013	CN103366933A Integrated high-frequency power transformer
10/16/2013	CN203242512U On-load capacitance-regulating voltage-regulating tapping switch
10/16/2013	CN203242481U Carbon brush contact type self-coupling alternating-current voltage regulator based on segmented variable cross-section winding
10/16/2013	CN203242480U Transformer on-load capacitance and voltage regulating tap switch
10/16/2013	CN203242479U Large-capacity oil-immersed transformer with six-post iron core
10/16/2013	CN203242478U Submerged arc furnace transformer
10/16/2013	CN203242465U Carbon brush radiator
10/16/2013	CN103354942A Tap changer and vacuum interrupter for a tap changer of this kind
10/16/2013	CN103354158A Open type air reactor with adjustable inductance
10/16/2013	CN103354157A Multi-tap Scott split-phase voltage-regulating magnetic voltage regulator
10/10/2013	WO2013150811A1 Variable inductor
10/10/2013	DE102012107080B3 Stufenschalter Tap changer
10/09/2013	EP2647022A1 Tap changer and vacuum interrupter for a tap changer of this kind
10/09/2013	CN203233032U Pressure regulator and carbon brush rotating mechanism thereof
10/09/2013	CN203232790U Converter transformer for polycrystalline silicon
10/09/2013	CN103348298A Stepping switch
10/03/2013	WO2013142919A1 A fault current limiter
10/02/2013	CN103337383A Vacuum on-load tap changer
10/02/2013	CN103337382A Vacuum bubble switching mechanism and on-load tap-changer
10/02/2013	CN103337351A High-voltage automatic electrified adjustable reactor
09/2013
09/25/2013	CN203218116U A lower crank arm of a combined on-load tap-changer change-over selector
09/25/2013	CN203218092U Three-phase parallel linear adjustable reactor formed by windings in rotating magnetic field
09/25/2013	CN203218091U Self-regulating capacity-type power transformer
09/25/2013	CN203218090U Multi-gear adjustable reactor
09/19/2013	DE102012204206A1 Throttle element for integrated structure of electronic circuit in motor vehicle control device, has wires provided around core, where part of wires is designed as bonding wires and/or printed circuit board that is printed on core
09/18/2013	EP2638553A1 On-load tap changer
09/18/2013	CN203205259U Oil-immersed double-layered contact vacuum load pressure regulating tap switch for intelligent power distribution network
09/18/2013	CN203205258U Arc extinguishing conversion selector with potential resistor connected in series with vacuum tube
09/18/2013	CN203205228U Adjustable reactor for starting large motors
09/18/2013	CN203205227U Transformer for industrial furnace of phase shift pressure regulating series
09/18/2013	CN203205193U On-line oil filtering all-in-one machine achieving on-load capacity regulation
09/18/2013	CN103311011A A tap selector and a method for assembling a tap selector
09/18/2013	CN103310962A A tap changer and a method related thereto
09/18/2013	CN103310953A Three-phase five-column arc extinction electric reactor
09/17/2013	CA2705347C A fault current limiter
09/12/2013	WO2013131664A1 Tap switch
09/12/2013	WO2013131663A1 Arrangement of air-core inductor and changeover switch
09/12/2013	DE102012101951A1 Stufenschalter Tap changer
09/11/2013	CN103299378A Transformer-rectifier unit
09/11/2013	CN103293474A Oil immersed on-load capacity regulating switch electrical endurance testing method in air
09/10/2013	US8531262 Multi-site spare 3-phase transformer
09/04/2013	EP2633533A1 Tap changer
09/04/2013	CN203179684U Transformer and pressure regulating device thereof
09/04/2013	CN203179683U Voltage conversion type power transformer
09/04/2013	CN103280304A Parallel-connection voltage-regulating control method for on-load switches of transformers
09/04/2013	CN103280303A Dual series-parallel connecting conversion junction device of oil-immersed transformer
09/04/2013	CN102243924B Off-circuit bar-type modulating capacity tap-changer
08/2013
08/29/2013	DE102012203103A1 Spannungsumwandlungsvorrichtung Voltage conversion device
08/28/2013	CN203165680U Oil-immersed on-load tap-changer used for transformer
08/28/2013	CN203165650U Resin casting type electric reactor and tapping device thereof
08/28/2013	CN103270562A Arrangement and method for the compensation of a magnetic unidirectional flux in a transformer core
08/28/2013	CN103268815A On-load voltage and capacitance regulated transformer
08/28/2013	CN103268814A Transformer on-load capacity-regulating voltage-regulating tap changer
08/27/2013	US8519814 Switchable transformer with embedded switches inside the windings
08/26/2013	DE202013103544U1 Transformator sowie Laststufenschalter mit einem solchen Transformator Transformer and load tap changer with such a transformer
08/22/2013	DE102012202667A1 Stufenschalter an einem Regeltransformator Step switch to a control transformer
08/22/2013	DE102012202327A1 Laststufenschalter mit mindestens zwei Vakuumschaltröhren und Antrieb für einen Lastumschalter mit mindestens zwei Vakuumschaltröhren OLTC with at least two vacuum interrupters and drive for a diverter switch with at least two vacuum interrupters
08/22/2013	CA2861465A1 Transformer with tap changer
08/21/2013	CN203150369U Contact type constant-current serial linear adjustable reactor
08/21/2013	CN103259417A Novel magnetic voltage regulating power source and electricity-saving method thereof
08/21/2013	CN103259416A Magnetic voltage regulation power supply and power saving method thereof
08/21/2013	CN103258629A Large-capacity oil immersed transformer with six-column iron core
08/21/2013	CN102254713B On-load capacity-regulating switch with single fracture

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