1
Edward Herbert: Snubber for electric circuits. January 18, 2000: US06016095 (69 worldwide citation)

A snubber for electric circuits comprises a plurality of small lossy magnetic cores with a wire through each, wired in parallel. Such an arrangement will have a much faster saturation time than a single core of comparable volume, and the power dissipated will be distributed and have more surface are ...


2
Martin Paul Wilson: Transformer based voltage supply. Nujira, DeMont & Breyer, July 27, 2010: US07764060 (51 worldwide citation)

There is disclosed a voltage summer including a transformer having a primary side and a secondary side, wherein a first voltage to be summed is connected to the primary side and a second voltage to be summed is connected to the secondary side. There is further disclosed a transformer comprising a pr ...


3
Thomas J Reynal: Load balancing transformer. Pravel Hewitt Kimball & Krieger, September 17, 1996: US05557249 (47 worldwide citation)

A three phase transformer having a pair of additional coupled windings on the secondary side of each phase, with these coupled windings properly connected in series to develop a voltage in phase with a particular secondary voltage but driven from alternate phase primaries. The primary and secondary ...


4
Three-phase transformer. Unelec, February 11, 1976: GB1424982-A (38 worldwide citation)

1424982 Transformers UNELEC 20 March 1974 [20 March 1973] 12470/74 Heading HIT A transformer with three radially disposed winding legs 1 lying in a plane whose outer ends are interconnected by a single yoke member 1 or several yoke members (Fig. 3 not shown) and with coaxial primary and secondary wi ...


5
Aspley Richard John, Brown Dennis Peter David: A communications system. Atomic Energy Authority, January 19, 1983: GB2101857-A (35 worldwide citation)

A communications system for a device 10 incorporates a conductor 26 extending along a locus near to the device 10, and a transmitter 52 arranged to transmit signals through the conductor 26. The system also includes a receiver 55 at the device 10, arranged to detect the signals by capacitive means. ...


6
Walton John Hugh Davey: Polyphase ring core transformer and electrical power converter arrangement. Walton John Hugh Davey, September 25, 1996: GB2299216-A (33 worldwide citation)

An electrical power converter comprises a ferromagnetic ring core 1 and two primary windings. Each primary winding comprises two winding portions 2, 4 and 3, 5 which are positioned diametrically opposite on the ring core 1. The winding portions 2, 4 and 3, 5 are connected in series and wound such th ...


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Thierry Antoine Meynard, Francois Forest, Frederic Richardeau, Eric Laboure: Method and device for supply to a magnetic coupler. Centre National de la Recherche Scientifique, Institut National Polytechnique de Toulouse, Universite Montpellier II, Young & Thompson, December 7, 2010: US07847535 (25 worldwide citation)

The invention relates to a method for supply to a magnetic coupler comprising several pairs of windings, each pair being formed from a first and a second adjacent paired winding, magnetically coupled to each other by means of a core of magnetic material. The method further consists of supplying the ...


9
Srinivas Ponnaluri, J├╝rgen Steinke, Peter Steimer: Converter circuit with two converter elements. ABB Schweiz, Buchanan Ingersoll & Rooney PC, February 12, 2008: US07330363 (20 worldwide citation)

A converter circuit having a first and a second converter element is specified, with each converter element having a DC voltage circuit and in each case one converter element phase (u1, v1, w1) of the first converter element being connected to a respective converter element phase (u2, v2, w2) of the ...


10
Trump John George, Skillicorn Brian, Johnson Bryon Lee: Electrical induction apparatus. High Voltage Power Corporation, July 13, 1971: US3593243 (19 worldwide citation)

An electrical induction apparatus, adaptable for use as a transformer or a reactor which contains a magnetic circuit and an electrical circuit. The active portions of the magnetic circuit are formed of electrically isolated segments, each segment being electrically connected to a distinct portion of ...