Abstract: The present invention relates to a step-up converter with a plurality of levels, in particular for use in an implantable medical device, comprising a transformer (11) comprising a single primary winding and a single secondary winding; a primary circuit (6) comprising the single primary winding; and a secondary circuit (7) comprising the single secondary winding and a plurality of step-up levels, each of the step-up levels comprising a first diode (4a, 4b, 4c, 4d, 4e, 4f) and a second diode (10a, 10b, 10c, 10d, 10e, 10f) and a first capacitor (9a, 9b, 9c, 9d, 9e, 9f) and a second capacitor (3a, 3b, 3c, 3d, 3e, 3f), wherein the first capacitors (9a, 9b, 9c, 9d, 9e, 9f) of the plurality of step-up levels are connected in series or in parallel with one another.

Abstract: A ceramic precursor composition suitable for sintering form a ceramic material or structure therefrom, for example, a ceramic honeycomb structure, a ceramic material or structure, for example, a ceramic honeycomb structure obtainable by sintering said ceramic precursor composition, a method for preparing said ceramic precursor composition and ceramic material or structure, for example, ceramic honeycomb structure, a diesel particulate filter comprising said ceramic structure, a selective diesel particulate filter comprising said ceramic structure, a gasoline particulate filter comprising said ceramic structure, a vehicle comprising said diesel particulate filter, selective diesel particulate filter or gasoline particulate filter, and a SCR catalyst system comprising said ceramic material or structure.

Abstract: A ceramic composition, optionally in the form of a honeycomb structure, ceramic precursor compositions suitable for sintering to form said ceramic composition, a method for preparing said ceramic composition and ceramic honeycomb structure, a diesel particulate filter comprising said ceramic honeycomb structure, and a vehicle comprising said diesel particulate filter.

Abstract: The invention relates to a method for converting alternating current into direct current implemented by a conversion device that comprises a three-phase bridge in which at least one arm is comprised of a first switch and of a second switch mounted in series, with the method comprising a step of regulating the direct voltage output by the conversion device, characterized in that it comprises a transition step which precedes the regulation step, with the transition step comprising the formation of signals for controlling first and second switches capable of limiting the amplitude of the inrush currents when switching the conversion device to the alternative network.

Abstract: The invention relates to a method for converting alternating current into direct current implemented by a conversion device that comprises a three-phase bridge in which at least one arm is comprised of a first switch and of a second switch mounted in series, with the method comprising a step of regulating the direct voltage output by the conversion device, characterised in that it comprises a transition step which precedes the regulation step, with the transition step comprising the formation of signals for controlling first and second switches capable of limiting the amplitude of the inrush currents when switching the conversion device to the alternative network.

Abstract: A ceramic composition may be used to form a honeycomb structure. A ceramic precursor composition may be sintered to form a ceramic composition. A method for preparing a ceramic composition and/or a ceramic honeycomb structure may include providing a green structure formed from a ceramic precursor composition and sintering the green structure. A diesel particulate filter may include a ceramic honeycomb structure, and a vehicle may include a diesel particulate filter.