Title:
HEAT EXCHANGER AND REFRIGERATING AIR-CONDITIONING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2000/016029
Kind Code:
A1
Abstract:
A compact heat exchanger excellent in heat transfer performance and small in pressure loss, wherein a plurality of plates (1) each of which has an inflow port and an outflow port for a heat exchange fluid are laminated each plate (1) comprising a seal portion (4) provided on a surface thereof, flow passages (5) for the heat exchange fluid which are formed in the seal portion (4), heat transfer surface elements (3) formed in the shape of mountain or valley projecting or recessed in the direction of the thickness of the plate (1), and fine fins (7) having recesses and projections and formed on the surface of the heat transfer surface elements; and a refrigerating air-conditioning system.
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Inventors:
MATSUSHIMA HITOSHI (JP)
UCHIDA MARI (JP)
KUBOTA ATUSHI (JP)
AOYAMA MITSUGU (JP)
UCHIDA MARI (JP)
KUBOTA ATUSHI (JP)
AOYAMA MITSUGU (JP)
Application Number:
PCT/JP1998/004155
Publication Date:
March 23, 2000
Filing Date:
September 16, 1998
Export Citation:
Assignee:
HITACHI LTD (JP)
MATSUSHIMA HITOSHI (JP)
UCHIDA MARI (JP)
KUBOTA ATUSHI (JP)
AOYAMA MITSUGU (JP)
MATSUSHIMA HITOSHI (JP)
UCHIDA MARI (JP)
KUBOTA ATUSHI (JP)
AOYAMA MITSUGU (JP)
International Classes:
F28D9/00; F28F3/04; (IPC1-7): F28F3/08; F28F3/04
Foreign References:
| JPH04139388A | 1992-05-13 | |||
| JPS5634396A | 1981-04-06 | |||
| JPS5495062U | 1979-07-05 | |||
| JPH0666487A | 1994-03-08 | |||
| JPS53137460A | 1978-11-30 | |||
| JPS6335263Y2 | 1988-09-19 | |||
| JPS593268Y2 | 1984-01-28 | |||
| JPS5649293U | 1981-05-01 | |||
| JPH10132476A | 1998-05-22 | |||
| JP2577156B2 | 1997-01-29 | |||
| JPS63213761A | 1988-09-06 | |||
| JPH07269964A | 1995-10-20 | |||
| JPS61107056A | 1986-05-24 | |||
| JPH08296909A | 1996-11-12 |
Attorney, Agent or Firm:
Ogawa, Katsuo (Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku Tokyo, JP)
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