EP 3267444 A1 20180110 - TRANSFORMER AND SWITCHED-MODE POWER SUPPLY APPARATUS
Title (en)
TRANSFORMER AND SWITCHED-MODE POWER SUPPLY APPARATUS
Title (de)
TRANSFORMATOR UND SCHALTNETZTEILVORRICHTUNG
Title (fr)
TRANSFORMATEUR ET APPAREIL D'ALIMENTATION EN PUISSANCE À MODE COMMUTÉ
Publication
Application
Priority
EP 16178163 A 20160706
Abstract (en)
A transformer being capable of suppressing the output voltage difference, and a switched-mode power supply apparatus using the transformer are provided. A transformer T has a core 10; a primary winding 11 provided in the core 10; a gap 15 provided in the core 10 at a location where the primary winding 11 is provided; and at least two secondary windings 12, 13 provided in the core 10 and spaced apart from both sides of the primary winding 11 as well as the gap 15 at an equal distance in a winding axis direction of the primary winding 11. A switched-mode power supply apparatus has the transformer T; a switching element connected to the primary winding 11 of the transformer T; and a control circuit configured to control the switching element.
IPC 8 full level
H01F 3/14 (2006.01); H01F 27/30 (2006.01)
CPC (source: EP)
H01F 3/14 (2013.01); H01F 27/306 (2013.01); H01F 30/12 (2013.01); H01F 27/38 (2013.01)
Citation (applicant)
JP H0549257 A 19930226 - MATSUSHITA ELECTRIC IND CO LTD
Citation (search report)
- [XI] US 6556117 B1 20030429 - NAKAO FUMIAKI [JP], et al
- [X] US 2012326829 A1 20121227 - MATSUDA YASUHIRO [JP], et al
- [X] WO 2016022966 A1 20160211 - DARTMOUTH COLLEGE [US], et al
- [A] EP 0216500 A1 19870401 - MITSUBISHI ELECTRIC CORP [JP]
- [A] EP 2639800 A1 20130918 - SIEMENS AG [DE]
- [A] EP 2787516 A1 20141008 - MITSUBISHI ELECTRIC CORP [JP]
- [A] CN 201859747 U 20110608 - CHINA XD ELECTRIC CO LTD
- [A] US 2008212341 A1 20080904 - MOISEEV SERGEY [JP]
Citation (examination)
- JP 3543029 B2 20040714
- JP 2011134744 A 20110707 - TAKASAGO SEISAKUSHO KK
- JP H07283037 A 19951027 - MATSUSHITA ELECTRIC IND CO LTD
- JP 2000223324 A 20000811 - MATSUSHITA ELECTRIC IND CO LTD
- EP 2787516 B1 20190109 - MITSUBISHI ELECTRIC CORP [JP]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 16178163 A 20160706