Earth leakage detection circuit

Details for Australian Patent Application No. 2008320169 (hide)

Owner Daikin Industries, Ltd.

Inventors Doumae, Hiroshi; Kagimura, Sumio; Masuda, Tooru

Agent FB Rice

Pub. Number AU-B-2008320169

PCT Pub. Number WO2009/057380

Priority 2007-281564 30.10.07 JP

Filing date 1 September 2008

Wipo publication date 7 May 2009

Acceptance publication date 24 November 2011

International Classifications

H02H 3/347 (2006.01) Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection

G01R 31/02 (2006.01) Arrangements for testing electric properties - Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection

H02H 3/16 (2006.01) Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - responsive to fault current to earth, frame or mass

H02P 23/00 (2006.01) Arrangements or methods for the control of ac-motors characterised by a control method other than vector control

Event Publications

20 May 2010 PCT application entered the National Phase

  PCT publication WO2009/057380 Priority application(s): WO2009/057380

24 November 2011 Application Accepted

  Published as AU-B-2008320169

22 March 2012 Standard Patent Sealed

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