Cold storage structure
Patent 4793146 Issued on December 27, 1988. Estimated Expiration Date: 
July 7, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 7, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesNatural ice for cooling energy Ground-installed coldness storage and utilization system Patent #: 4466256 InventorAssigneeApplicationNo. 07/070371 filed on 07/07/1987US Classes:62/260, Geographic, e.g., subterranean feature165/45GEOGRAPHICALExaminersPrimary: Bennett, HenryAttorney, Agent or FirmInternational ClassesF25D 1/00 (20060101)F25D 3/00 (20060101) Foreign Application Priority Data1986-07-08 JPAbstractA cold storage structure including: a storage chamber for storing articles, the storage chamber including a ceiling, a pair of side walls and a bottom wall, at least both the side walls and the bottom wall being formed in the ground; a heat accumulating layer arranged in the ground to surround at least both the side walls and the bottom wall, the accumulating layer being adapted for cooling the storage chamber; and a plurality of heat pipes mounted on the ground to extend in the heat accumulating layer to a position below the bottom wall for heat exchanging with the heat accumulating layer to cool the storage chamber. | |
