Electrical generator or motor structure – Dynamoelectric – Reciprocating
Reexamination Certificate
2005-02-01
2005-02-01
Lam, Thanh (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Reciprocating
C218S140000, C335S172000, C200S400000
Reexamination Certificate
active
06849971
ABSTRACT:
Drive devices for switchgear interrupter units, having movable contact pieces that can be controlled by solenoid drives are described. The drives of the movable contact pieces being controllable by linear motor drives. The interrupter units are realized by vacuum circuit breakers, and the linear motor drives are realized by three-phase AC linear motors. Each of these can be influenced by a control unit that optimizes the switching operations and that is provided with a mains connection. The three-phase AC linear motors are composed of individual components that determine thrust and range of motion. The individual components together constitute the drive of the movable contact parts. The individual components are determined by the number of motor coils and/or by the number of parallel motor modules.
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Translation of DE 296 20 438 U1*
Translation of DE 2 244 793.*
Von Edgar Dullni, et al., “Neu: Vakuumleistungsschalter mit permanent-magnetischem Antrieb”, Elektrizitätswirtschaft, vol. 96 (1997), Issue 21, pp. 1205-1208** (month unknown).
Anger Nils
Schoentag Hartmut
Stelzer Andreas
Jones Judson H.
Lam Thanh
Siemens Aktiengesellschaft
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