发明名称 |
COMBINATION CRYOGENIC AND MECHANICAL FREEZER APPARATUS AND METHOD |
摘要 |
Combined cryogenic and mechanical refrigeration freezer utilizing an open spiral conveyor for transporting food to be frozen through a first cryogenic zone enclosed by a secondary housing and then through a mechanically refrigerated zone subjected to circulating air cooled by mechanical refrigeration and cryogenic vapor from the first cryogenic zone.
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申请公布号 |
US5170631(A) |
申请公布日期 |
1992.12.15 |
申请号 |
US19910704806 |
申请日期 |
1991.05.23 |
申请人 |
LIQUID CARBONIC CORPORATION |
发明人 |
LANG, GARY D.;ROHR, LARRY M. |
分类号 |
F25D16/00;F25D25/04 |
主分类号 |
F25D16/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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