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Method and device for suppressing the formation of ice on structures at the air intake of a turbomachine
US9708929B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9708929-B2 |
| Application number | US-201414306314-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 17, 2014 |
| Priority date | Jun 18, 2013 |
| Publication date | Jul 18, 2017 |
| Grant date | Jul 18, 2017 |
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Abstract
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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 during operation is converted into electrical energy by a piezoelectric element, firmly applied to said structure, and in a connected electrical circuit the generated electrical energy is then converted into thermal energy by an ohmic resistor and this thermal energy is conducted to at least a portion of the structure for suppressing ice formation. Excess energy may be transmitted by a transmitter to other circuits in adjacent structures.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for suppressing ice formation on a surface of at least one turbomachine structure during operation of the turbomachine, the method comprising: converting mechanical vibratory energy of at least one first structure of the turbomachine into electrical energy via at least one piezoelectric element connected to the structure, wirelessly transmitting a signal based on the electric energy converted from the mechanical vibratory energy of the at le…
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- What does patent US9708929B2 cover?
- 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 ga…
- Who is the assignee on this patent?
- Alstom Technology Ltd, Ansaldo Energia Switzerland AG
- What technology area does this patent fall under?
- Primary CPC classification F01D25/02. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Jul 18 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).