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    • 12. 发明公开
    • Air environment control systems
    • Anlagen zur Regulierung der Umgebungsluft
    • EP0935102A2
    • 1999-08-11
    • EP99300818.4
    • 1999-02-04
    • Howden Aircontrol Limited
    • Bennett, Edward J.
    • F24F5/00
    • F41H7/03B60H3/06B64D13/06B64D2013/0651F05B2220/50F24F5/0085Y02T50/56
    • A method and apparatus are described for providing clean air at a desired temperature to an environment. Incoming air possibly contaminated with nuclear, biological and chemical contaminants is compressed. The compressed air is cooled in a first heat exchanger. Cooled air from the first heat exchanger is compressed in a secondary compressor. Compressed air from the secondary compressor is cooled in a secondary heat exchanger. Cooled air from the secondary heat exchanger is directed through a regenerative pressure swing adsorbtion system for providing clean output air with the contaminants removed therefrom. The cleaned air is expanded in a turbine coupled to the secondary compressor, whereby to recover energy from the cleaned air to drive the secondary compressor. Expanded cleaned air from the turbine is used to condition air in the environment. The regenerative pressure swing adsorbtion system is purged with air derived from the expanded clean air, the purging air being warmed before being passed to the regenerative pressure swing adsorbtion system by heat derived from the step of compressing incoming air.
      The applicants also explain how, in general, waste heat may be used in a combined pressure swing adsorbtion and air cycle system adapted to provide clean air at a desired temperature to an environment essentially free of nuclear, biological and chemical contaminants to heat air for purging of apparatus used in this system for pressure swing adsorbtion, this waste heat being derived from a step of primary compression of incoming air.
    • 描述了一种将环境中所需温度的清洁空气提供的方法和装置。 可能被核,生物和化学污染物污染的进入空气被压缩。 压缩空气在第一热交换器中冷却。 来自第一热交换器的冷却空气在二次压缩机中被压缩。 来自二次压缩机的压缩空气在二次热交换器中被冷却。 来自二次热交换器的冷却空气被引导通过再生压力摆动吸附系统,用于提供从其中除去的污染物的清洁输出空气。 清洁的空气在耦合到次级压缩机的涡轮机中膨胀,从而从清洁空气回收能量以驱动次级压缩机。 来自涡轮机的膨胀的清洁空气用于调节环境中的空气。 再生压力摆动吸附系统用来自膨胀的清洁空气的空气吹扫,净化空气在通过压缩进入空气的步骤产生的热量通过再生变压吸附系统之前被加热。 申请人还解释了一般来说,废热可以用于组合的压力摆动吸附和空气循环系统中,该系统适用于将所需温度的清洁空气提供给基本上不含核,生物和化学污染物的环境以加热空气进行清洗 在该系统中用于变压吸附的装置中,这种废热源自于进入空气的初级压缩步骤。
    • 14. 发明公开
    • EP0826269A4 -
    • EP0826269A4 - Google专利
    • EP0826269A4
    • 1998-03-04
    • EP95915518
    • 1995-04-03
    • H02P1/46F02N11/04H02P9/08H02P27/06H02P3/00
    • F02N11/04F05B2220/50H02P9/08H02P2101/30
    • An electric starter/generator system for a turbine engine capable of transforming mechanical power from the turbine engine to electric power during a generate mode of operation and of transforming electric power from a low voltage dc source to mechanical power to drive the turbine engine during a start mode of operation, comprises a synchronous starter/generator (110) having a poly-phase wound stator (112), and a rotor (114) rotably positioned therein, the rotor (114) is drivably coupled to the turbine engine. The system establishes an electric field in the rotor (114) by excitation inverter (116), and directly coupled dc source (118). A means for energizing each of the poly-phase stator windings (112A, 112B, 112C) to drive the starter/generator as a motor is powered from battery (118). The inverter (124) establishes a rotating electric field in the stator whereby a constant torque is produced by the rotor to drive the turbine engine.
    • 一种用于涡轮发动机的电启动器/发电机系统,其能够在发电运行模式期间将来自涡轮发动机的机械动力转化为电力并且将电力从低压dc源转换成机械动力以在起动期间驱动涡轮发动机 包括具有多相绕制定子(112)的同步起动器/发电机(110)和可转动地定位在其中的转子(114),转子(114)可驱动地联接到涡轮发动机。 系统通过励磁逆变器(116)和直接耦合的直流电源(118)在转子(114)中建立电场。 用于激励每个多相定子绕组(112A,112B,112C)以驱动起动器/发电机作为电动机的装置由电池(118)供电。 逆变器(124)在定子中建立旋转电场,由此由转子产生恒定扭矩以驱动涡轮发动机。