Air self-circulation unpowered heating device and subgrade thereof
AssigneeNorthwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences
InventorsQihao YU, Kun CHEN, Xinbin WANG
Life of this patent
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Abstract
An air self-circulation unpowered heating device includes a heat collection header mounted outside a subgrade, a solar heat absorption box having one end inserted into the heat collection header for absorbing solar energy and transferring heat to the heat collection header, and a heat gathering tube comprising a heat absorption section and a heat release section in communication. The heat absorption section is inserted into the heat collection header for absorbing heat of the heat collection header and transferring heat to the heat release section, and the heat release section is inserted into the subgrade for heating the subgrade.
Claims10
An air self-circulation unpowered heating device, comprising:
- a heat collection header mounted outside a subgrade;
- a solar heat absorption box having one end inserted into the heat collection header for absorbing solar energy and transferring heat to the heat collection header;
- and
- a heat gathering tube comprising a heat absorption section and a heat release section in communication, wherein the heat absorption section is inserted into the heat collection header for absorbing heat of the heat collection header and transferring heat to the heat release section, and the heat release section is inserted into the subgrade for heating the subgrade.
Dependencies are inferred from the claim text.