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Joe F Warner

Bert J Warner

A method and apparatus for forming a heat exchange system in the earth. A curve hole is formed in the earth having a substantially constant radius of curvature and is cased to form a cased flowpath therethrough. The apparatus used for forming the hole is comprised of a trailer having a frame on which a plurality of drill pipe supports are pivotably mounted. A curved drill pipe is supported by said supports and is connected at one end to a pressurized drilling fluid source. The pipe is fed into the earth and the fluid exiting from the leading end cuts a hole in advance of the pipe. When the pipe has been fed completely through the earth and the leading end breaks the surface, the fluid is stopped and a casing is connected through an adaptor to the leading end of the pipe. The pipe is then withdrawn through the hole to draw the casing through the hole. The annulus between the casing and the hole is filled with a particulate heat conductive material as the pipe is withdrawn.

Method and apparatus for forming a heat exchange system in the earth

A method and apparatus for forming a heat exchange system in the earth. A curve hole is formed in the earth having a substantially constant radius of curvature and is cased to form a cased flowpath therethrough. The apparatus used for forming the hole is comprised of a trailer having a frame on which a plurality of drill pipe supports are pivotably mounted. A curve drill pipe is supported by said supports and is connected at one end to a pressurized drilling fluid source. The pipe is fed into the earth and the fluid exiting from the leading end cuts a hole in advance of the pipe. When the pipe has been fed completely through the earth and the leading end breaks the surface, the fluid is stopped and a casing is connected through an adaptor to the leading end of the pipe. The pipe is then withdrawn through the hole to draw the casing through the hole. The annulus between the casing and the hole is filled with a particulate heat conductive material as the pipe is withdrawn.

A shock absorber system where an outer cylinder having a top closure is connected to a vehicle frame and having a ported bottom closure. An inner cylinder is mounted coaxially in the outer cylinder and has a main piston including a piston rod extending down through the ported bottom closure. The piston is in slidable fluid tight relation to be connected to an axle of the vehicle. The system further includes a cooling cylinder and structure forming a flow channel leading into the cooling cylinder from beneath the main piston. Structure forms a return flow channel from the cooling cylinder into the top of the inner cylinder and includes a check valve. The cooling cylinder includes a gas pressure positioned free piston. Structure further includes a check valve in the main piston for passing liquid from above the main piston to below the main piston upon compression of the main piston and for circulating fluid through the cooling cylinder upon expansion.

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Dallas, TX, United States of America

Joe F Warner