Title:
TEMPERATURE CONDITIONING UNIT, TEMPERATURE CONDITIONING SYSTEM, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2018/042843
Kind Code:
A1
Abstract:
A temperature conditioning unit (100X) includes: a first intake and exhaust device (10A); a second intake and exhaust device (20A); and a casing (30) for housing an object to be temperature-conditioned (50). Each of the first intake and exhaust device (10A) and the second intake and exhaust device (20A) includes: a rotary driving device including a shaft, and a rotary driving source for rotating the shaft; an impeller including an impeller disc that is engaged with the shaft at the center portion thereof and has a surface extending in a direction intersecting with the shaft, and a plurality of rotor blades that are provided upright from the impeller disc; and a fan case, said fan case having: a side wall surrounding the periphery of the impeller; an intake port; and an air-sending port communicating with the inside of the casing (30). The plurality of rotor blades extend from the center portion of the impeller disc toward the outer peripheral portion thereof in an arc shape that protrudes in the rotation direction of the shaft. A frequency at which energy of sound generated by the first intake and exhaust device (10A) peaks and a frequency at which energy of sound generated by the second intake and exhaust device (20A) peaks are different from each other.
Inventors:
YOKOTE SHIZUKA
OGAWA TAKASHI
YOSHIKAWA YUICHI
KUROKAWA MICHIHIRO
OGAWA TAKASHI
YOSHIKAWA YUICHI
KUROKAWA MICHIHIRO
Application Number:
PCT/JP2017/023117
Publication Date:
March 08, 2018
Filing Date:
June 23, 2017
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F04D25/16; B60H1/22; F04D29/30; F04D29/44; F04D29/66
Domestic Patent References:
| WO2006022362A2 | 2006-03-02 |
Foreign References:
| JP2010080134A | 2010-04-08 | |||
| JP2012227258A | 2012-11-15 | |||
| JPH09250497A | 1997-09-22 | |||
| JPH08156577A | 1996-06-18 | |||
| JP2001349298A | 2001-12-21 | |||
| JP2014141932A | 2014-08-07 | |||
| JP2011093427A | 2011-05-12 | |||
| JPS6158699U | 1986-04-19 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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