Global Patent Index - EP 0972335 A2

EP 0972335 A2 20000119 - THERMAL POWER CONVERTER FOR SUPPLYING ELECTRICITY TO AN AUTONOMOUS APPARATUS WITH LOW CONSUMPTION FROM A VERY SLIGHT DIFFERENCE IN TEMPERATURE

Title (en)

THERMAL POWER CONVERTER FOR SUPPLYING ELECTRICITY TO AN AUTONOMOUS APPARATUS WITH LOW CONSUMPTION FROM A VERY SLIGHT DIFFERENCE IN TEMPERATURE

Title (de)

LEISTUNGSSTROMVERSORGUNG MIT NIEDRIGEM VERBRAUCH VON EINER QUELLE MIT SEHR SCHWACHER SPANNUNG

Title (fr)

CONVERTISSEUR DE PUISSANCE THERMIQUE PERMETTANT D'ALIMENTER EN ELECTRICITE UN APPAREIL AUTONOME A CONSOMMATION REDUITE A PARTIR D'UNE TRES FAIBLE DIFFERENCE DE TEMPERATURE

Publication

EP 0972335 A2 (FR)

Application

EP 97948967 A

Priority

  • FR 9702165 W
  • FR 9614734 A
  • FR 9710338 A

Abstract (en)

[origin: WO9825333A2] The invention concerns an energy converting circuit, boosting the voltage supplied by a low direct voltage source (1), comprising a self-oscillating circuit, operating at very low voltage, using a voltage boosting transformer (3, 4, 6, 6', 7) generating the control signals of two chopper-boosters (11-14) operating alternately, comprising an enhancement-type field effect transistor (11, 12) used in synchronous switching with the self-oscillating circuit, which is in serial connection with an inductive resistor (13, 14) to the terminals of said source (1) and which is connected to a user circuit via a diode (15, 16). The invention also concerns a device for supplying electricity to appliances using such a supply device. The invention further concerns the production of thermal converters for the utilisation of low-voltage thermoelectricity, and a method for the manufacture of thermal converters on an industrial scale.

IPC 1-7

H02M 3/338

IPC 8 full level

G04G 99/00 (2010.01); G04C 10/00 (2006.01); G04G 19/00 (2006.01); G04G 19/02 (2006.01); H02M 3/155 (2006.01); H02M 3/338 (2006.01)

CPC (source: EP)

G04C 10/00 (2013.01); H01L 35/30 (2013.01); H01L 35/32 (2013.01); H02M 3/338 (2013.01)

Citation (search report)

See references of WO 9825333A3

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 9825333 A2 19980611; WO 9825333 A3 19981105; CA 2274008 A1 19980611; EP 0972335 A2 20000119; JP 2002518989 A 20020625; US 6340787 B1 20020122

DOCDB simple family (application)

FR 9702165 W 19971201; CA 2274008 A 19971201; EP 97948967 A 19971201; JP 52526698 A 19971201; US 31912800 A 20000103