Title:
DRY ICE INJECTOR
Document Type and Number:
WIPO Patent Application WO/2003/095146
Kind Code:
A1
Abstract:
A dry ice injector capable of injecting dry ice at a low cost with a simple structure, wherein liquefied carbon dioxide gas (L) in a gas chamber (1) is allowed to flow into a gas expansion chamber (3) through an orifice valve (2) to produce dry ice particles (D) and the dry ice particles (D) are injected from the tip of an injection tube (5) together with dew formation prevention gas (G), a gas dividing part (4) is provided on the base side of the injection tube (5) on the downstream side of the gas expansion chamber (3) and a dry ice passage (6) and a gas passage (7) are dividedly formed in the injection tube (5), a heating means (8) is disposed closely to the gas passage (7), the mixed fluid of the dry ice particles (D) inside the gas expansion chamber (3) and carbon dioxide gas is divided at the dividing part (4) to allow the mixed fluid containing the dry ice particles (D) to flow in the dry ice passage (6), and the mixed flow flowing through the gas passage (7) is heated by the heating means (8) to produce the dew formation prevention gas (G).
Inventors:
SEKOTA KAZUYUKI (JP)
TSUCHIYA YOSHIFUMI (JP)
TSUCHIYA YOSHIFUMI (JP)
Application Number:
PCT/JP2002/004598
Publication Date:
November 20, 2003
Filing Date:
May 10, 2002
Export Citation:
Assignee:
ITEC CO LTD (JP)
SEKOTA KAZUYUKI (JP)
TSUCHIYA YOSHIFUMI (JP)
SEKOTA KAZUYUKI (JP)
TSUCHIYA YOSHIFUMI (JP)
International Classes:
B24C1/00; B24C5/02; (IPC1-7): B24C1/00
Foreign References:
| JP2002143731A | 2002-05-21 | |||
| JP2557383Y2 | 1997-12-10 |
Attorney, Agent or Firm:
Kitatani, Toshikazu (Osaka Fukokuseimei Building 2-4,
Komatsubaracho, Kita-k, Osaka-shi Osaka, JP)
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