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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0320414 B1 19930804 - VOLTAGE REGULATOR WITH A FERRO-RESONANCE FILTER WITH A COOLING DEVICE

Title (en)

VOLTAGE REGULATOR WITH A FERRO-RESONANCE FILTER WITH A COOLING DEVICE

Publication

EP 0320414 B1 19930804 (FR)

Application

EP 88420406 A 19881202

Priority

FR 8717369 A 19871208

Abstract (en)

[origin: US4884187A] A ferromagnetic voltage regulator has the saturatable core reactor and electromagnetic winding closely coupled with a fan mounted in a housing on one surface to cool the assembly by forcing air through the windings and over the other surfaces of the regulator.

IPC 1-7

H01F 27/08

IPC 8 full level

H01F 27/08 (2006.01)

CPC (source: EP US)

H01F 27/085 (2013.01 - EP US); Y10S 128/921 (2013.01 - EP US)

Designated contracting state (EPC)

DE ES GB IT

DOCDB simple family (publication)

FR 2624303 A1 19890609; FR 2624303 B1 19900817; DE 3882936 D1 19930909; DE 3882936 T2 19931125; EP 0320414 A1 19890614; EP 0320414 B1 19930804; US 4884187 A 19891128

DOCDB simple family (application)

FR 8717369 A 19871208; DE 3882936 T 19881202; EP 88420406 A 19881202; US 28000288 A 19881205