See how a reusable screw-in apparatus installs tubular geothermal heat exchangers without borin
See how a screw-in tubular heat exchanger uses mechanical anchoring to eliminate grout, reduce
See how segmented drill heads with locking mechanisms enable tool recovery in vertical drilling
See how a screw-in tubular heat exchanger reduces geothermal installation cost by eliminating b
A compressible element restricts free rotation during milling, while manual tip rotation redistributes wear and extends tool life.
A compressible O-ring and indexing recesses limit free tip rotation while allowing azimuth changes that spread wear and extend tool life.
A pressurized-fluid percussion mole installs geothermal ground loops in confined sites, cutting drilling cost, hole collapse, and caulking needs.
Protrusions in an inverted conical braze seat control joint thickness, improving stress distribution and impact durability at the carbide-steel interface.
A locked shank and thermal-expansion press fit stabilize drill-bit cutting elements, reducing delamination, fracture, and wear.
Strategically placed protrusions set braze thickness in a carbide bolster joint, improving stress distribution and wear resistance under impact loads.
Replaceable flight units and a releasable motor coupling cut auger weight while making broken sections easy to repair.
A rotating shield, seal, and wear-resistant tip reduce debris damage and spread impact loads to extend degradation assembly life.