William J. Hancock;Steven V. Boyce;Steven J. Parkinson;William G. Moon
发明人:
William G. Moon,William J. Hancock,Steven V. Boyce,Steven J. Parkinson
申请号:
US16852301
公开号:
US20200288702A1
申请日:
2020.04.17
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A freezer includes a plurality of shelves in an insulated payload bay; a plurality of evaporators coupled to the payload bay with a multiplicity of coolant tubes in each evaporator, wherein each tube enters and then exits the payload bay, further comprising one or more cryogenic valves coupled to the coolant tubes; a pump to force coolant flowing through the evaporators with a pressure of at least 90 psi to supply the coolant at each evaporator with at least 80 gallons per hour of coolant; and a plurality of fans to circulate cooled air in the payload bay.