F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
317/5
F02C 7/266 (2006.01) F02P 3/08 (2006.01) F02P 15/00 (2006.01) H03K 3/57 (2006.01) H03K 4/00 (2006.01) H03K 4/02 (2006.01)
Patent
CA 1331637
High-energy ignition generator especially for a gas-turbine ABSTRACT OF TECHNICAL CONTENT OF THE INVENTION This high-energy ignition generation, especially for gas-turbines, of the type including an energy source (1) connected to a first circuit containing an energy storage capacitor (10), an inductor (11) and an ignition plug (12), in series, a free-wheel diode (15) being connected in parallel with the terminal of the inductor (11) and the ignition plug (12) and means of short-circuiting (16) the first circuit so as to generate sparks between the electrodes of the plug (12), is characterized in that the means of short-circuiting (16) include at least one semi-conductor switching device (17,18) controlled by means of comparison (32) of the voltage at the terminals of the storage capacitor (10) with a first reference voltage, and in that means of control (2,3,4,7; 39,40,41) of the charge of the capacitor (10) at a first rate during an initial period of time and at a second rate during a second period of time, the second rate being higher than the first, are interposed between the energy source (1) and the first circuit.
611826
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Vibro Meter France
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