发明名称 IMPROVEMENTS IN BATTERY OPERATED ELECTRIC MACHINES
摘要 There is disclosed a lawn or grass mower having a cutting mechanism (14) driven by an electric motor (10), the electric motor (10) being powered by a rechargeable lead acid batter (11), the battery (11) being protected against damage caused as a result of over discharge by control means (13), said control means (13) being able to sequentially sample battery voltage discharge levels and to determine when the sampled battery voltage discharge level has dropped below a predetermined minimum level at which point disabling means (14) is activated to prevent the mower from being used again until the battery means (11) has been recharged through a complete recharging regime. <IMAGE>
申请公布号 EP0585021(A3) 申请公布日期 1994.05.18
申请号 EP19930306429 申请日期 1993.08.16
申请人 BLACK & DECKER INC. 发明人 CHEAH, AIK PIN;MCNAIR, JOHN DUNCAN
分类号 A01D69/02;H02J7/00 主分类号 A01D69/02
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