Title:
HEAT-SOUND WAVE CONVERTING PART AND HEAT-SOUND WAVE CONVERTER
Document Type and Number:
WIPO Patent Application WO/2015/115005
Kind Code:
A1
Abstract:
A heat-sound wave converting part is provided with a plurality of through-holes that extends in one direction and passes through the heat-sound wave converting part and that is configured so as to form a sound wave propagation path. The heat-sound wave converting part comprises a wall that is formed on the periphery of each through-hole and extends in the direction the through-holes extend and that is configured so as to exchange heat with a fluid. The through-holes include holes with an hydraulic diameter of 0.4 mm or less, and the aperture ratio of the plurality of through-holes in the heat-sound wave converting part is 60% or greater. The thermal conductivity in the heat-sound wave converting part in the fluid environment is 0.4 [W/m/K] or less, and the heat capacity at 400°C in the heat-sound wave converting part in the fluid environment is greater than 0.5 [J/cc/K].
Inventors:
MIYAIRI YUKIO (JP)
MIWA SHINICHI (JP)
MIWA SHINICHI (JP)
Application Number:
PCT/JP2014/084209
Publication Date:
August 06, 2015
Filing Date:
December 25, 2014
Export Citation:
Assignee:
NGK INSULATORS LTD (JP)
International Classes:
F25B9/00
Foreign References:
| JP2012237295A | 2012-12-06 | |||
| JP2012229892A | 2012-11-22 | |||
| JP2004028389A | 2004-01-29 | |||
| JP2008101910A | 2008-05-01 |
Attorney, Agent or Firm:
GLOBAL IP TOKYO (JP)
Global IP Tokyo patent business corporation (JP)
Global IP Tokyo patent business corporation (JP)
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