Patent ID: 11892201
Assignee: nan
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  E  Y | IPC E  F

Claim 14:
15. A method of installing at least a portion of a first tube and a portion of a second tube of a tubular heat exchanger in soil, the method comprising:
providing a tool of an installation apparatus;
providing the first tube of the tubular heat exchanger;
providing the second tube of the tubular heat exchanger;
engaging at least the portion of the first tube with the tool and engaging the soil with the tool and thereby installing at least the portion of the first tube in the soil and positioning at least the portion of the first tube in the soil along a first helical path and thereby installing at least the portion of the first tube as a helical portion of the first tube;
further engaging at least the portion of the second tube with the tool when engaging the soil with the tool and thereby installing at least the portion of the second tube in the soil along a second helical path and thereby installing at least the portion of the second tube as a helical portion of the second tube; and
removing the tool from the soil without uninstalling the helical portion of the first tube from the soil;
wherein removing the tool from the soil does not uninstall the helical portion of the second tube.