Title:
VOLUME EXPANDER AND FLUID MACHINE
Document Type and Number:
WIPO Patent Application WO/2004/055331
Kind Code:
A1
Abstract:
A volume expander (60) used for a vapor-compression refrigeration cycle etc. has a connection passage (72) that branches off from an inflow port (37) connected to an expansion chamber (62) and penetrates to a suction/expansion process position in the expansion chamber (62). This enables that part of a high-pressure fluid on the inflow side is introduced to the expansion chamber (62). As a result, the lowering in power recovering efficiency in a condition where an actual expansion ratio is smaller than a designed expansion ratio is suppressed.
Inventors:
Sakitani, Katsumi c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Moriwaki, Michio c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Okamoto, Masakazu c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Kumakura, Eiji c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Okamoto, Tetsuya c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Moriwaki, Michio c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Okamoto, Masakazu c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Kumakura, Eiji c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Okamoto, Tetsuya c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Application Number:
PCT/JP2003/015493
Publication Date:
July 01, 2004
Filing Date:
December 03, 2003
Export Citation:
Assignee:
Daikin Industries, Ltd (Umeda Center Bldg, 4-12 Nakazaki-nishi 2-chome, Kita-k, Osaka-shi Osaka, 530-8323, JP)
Sakitani, Katsumi c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Moriwaki, Michio c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Okamoto, Masakazu c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Kumakura, Eiji c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Okamoto, Tetsuya c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Sakitani, Katsumi c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Moriwaki, Michio c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Okamoto, Masakazu c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Kumakura, Eiji c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
Okamoto, Tetsuya c/o Kanaoka, Factory (Sakai Plant DAIKIN INDUSTRIE, S, LTD., 1304, Kanaoka-ch, Sakai-shi Osaka, 591-8511, JP)
International Classes:
F01C20/00; F01C1/356; F01C1/46; F01C13/04; F01C21/18; F04C18/02; F04C18/32; F04C18/356; F04C18/46; F04C23/00; F04C23/02; F04C29/12; F25B9/06; (IPC1-7): F01C21/12; F01C1/356
Attorney, Agent or Firm:
Maeda, Hiroshi (Honmachi-nakajima Bldg, 4-8 Utsubohonmachi 1-chome, Nishi-k, Osaka-shi Osaka, 550-0004, JP)
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