发明授权
- 专利标题： Combination cryogenic and mechanical freezer apparatus and method
- 专利标题（中）： 组合冷冻机和冷冻机装置及方法
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申请号： US704806申请日： 1991-05-23
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公开(公告)号： US5170631A公开(公告)日： 1992-12-15
- 发明人: Gary D. Lang , Larry M. Rohr
- 申请人： Gary D. Lang , Larry M. Rohr
- 申请人地址： IL Chicago
- 专利权人： Liquid Carbonic Corporation
- 当前专利权人： Liquid Carbonic Corporation
- 当前专利权人地址： IL Chicago
- 主分类号： F25D16/00
- IPC分类号： F25D16/00 ; F25D25/04
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.