METHOD AND DEVICE FOR SUPPRESSING THE FORMATION OF ICE ON STRUCTURES AT THE AIR INTAKE OF A TURBOMACHINE
- 申请公布号：
- CA2852444(C)
- 申请号：
- CA20142852444
- 申请日期：
- 2014.05.28
- 申请公布日期：
- 2016.10.11
- 申请人：
- ALSTOM TECHNOLOGY LTD
- 发明人：
- SZWEDOWICZ, JAROSLAW LESZEK;BAUER, ANDREAS;NEUBAUER, MARCUS;SCHWARZENDAHL, SEBASTIAN MARC
- 分类号：
- F02C7/047;B64D15/12;F03G7/08;F25B47/00;F25C5/08
- 主分类号：
- F02C7/047
- 摘要：
- The application relates to a method and a device for suppressing ice formation on intake structures of a compressor, particularly the compressor of a gas turbine. The technical aim of the present invention is to provide a method and a device for suppressing the formation of ice on said structures, which avoid the disadvantages of known solutions, such as a reduction of the performance of the gas turbine, and have a simple and broad applicability. According to the present invention the mechanical vibratory energy of said structures (1, 2, 3) during operation is converted into electrical energy by a piezoelectric element (6), firmly applied to said structure, and in a connected electrical circuit (11) the generated electrical energy is then converted into thermal energy by an ohmic resistor (7) and this thermal energy is conducted to at least a portion of the structure (1, 2, 3) for suppressing ice formation. Excess energy may be transmitted by a transmitter (8) to other circuits (12) in adjacent structures (1, 2, 3).
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