초록 ▼

A ground heating system is provided comprising an internal combustion engine which has a shaft output and an exhaust gas stream. An electric alternator/generator is driven by the shaft output of the engine. A working fluid is provided for transferring heat to the ground. A heat exchanger receives th

A ground heating system is provided comprising an internal combustion engine which has a shaft output and an exhaust gas stream. An electric alternator/generator is driven by the shaft output of the engine. A working fluid is provided for transferring heat to the ground. A heat exchanger receives the exhaust gas from the internal combustion engine and transfers waste heat from the exhaust gas to the working fluid. An electric heating element is provided for converting some of the electric output of the generator into heat and transferring this heat to the working fluid. A pump circulates the working fluid through a ground-engaging heat exchanger.

대표청구항 ▼

[ The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:] [1.] A ground heating system comprising:an internal combustion engine providing a shaft output and an exhaust gas stream;an electric generator driven by the shaft output of said interna

[ The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:] [1.] A ground heating system comprising:an internal combustion engine providing a shaft output and an exhaust gas stream;an electric generator driven by the shaft output of said internal combustion engine, said electric generator providing an electric output;a working fluid for transferring heat to the ground;a heat exchanger for receiving the exhaust gas stream and transferring heat from the exhaust gas stream to said working fluid, said heat exchanger having a disc-shaped chamber for receiving exhaust gas from said internal combustion engine, said chamber having an axial and a radial direction extending from a center of said chamber, and said chamber having a radial dimension larger than an axial dimension of said chamber; andan electric heating element for converting said electric output of said generator into heat and for transferring heat to said working fluid.