Electricity: battery or capacitor charging or discharging – Cell or battery charger structure – Charger inductively coupled to cell or battery
Patent
1998-05-13
2000-10-03
Tso, Edward H.
Electricity: battery or capacitor charging or discharging
Cell or battery charger structure
Charger inductively coupled to cell or battery
336DIG2, H01M 1046
Patent
active
061278009
ABSTRACT:
A C-shaped fixed core is provided at a power receiving portion, and a secondary coil is wound on a vertical portion of the fixed core. A moving core is vertically movable in sliding contact with distal end surfaces of horizontal portions of the fixed core. A primary coil, having an air core portion, is provided at a charging coupler. When the charging coupler is attached to the power receiving portion, the moving core is moved downward to extend through the air core portion of the primary coil, and opposite end portions of the moving core are contacted respectively with the horizontal portions of the fixed core. As a result, a magnetic circuit is formed between the primary and secondary coils. The charging coupler is lightweight since it does not have a core.
REFERENCES:
patent: 3995209 (1976-11-01), Weston
patent: 5264776 (1993-11-01), Hulsey
patent: 5461299 (1995-10-01), Bruni
patent: 5539296 (1996-07-01), Ito
patent: 5680028 (1997-10-01), McEachern
patent: 5850135 (1998-12-01), Kuki et al.
Kuki Heiji
Shimada Toshiro
Watanabe Kunihiko
Sumitomo Electric Industries Ltd.
Sumitomo Wiring Systems Ltd
Tso Edward H.
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