Underground service module

Details Underground service module Underground service module

1978-12-12

1981-02-17

Davis, Albert W.

Heating systems

Heat and power plants

165 47, 165 51, 165DIG12, B60H 104

Patent

active

042510295

ABSTRACT:
A self-contained service module incorporates a water cooled internal combustion engine as a primary power source which drives a low-pressure, high-volume forced air ventilation system; a water-cooled, high-pressure air compressor; and an alternator. Large diameter steel tubing is utilized as a basic framework for the system and provides a dual function by supporting the primary components of the system and by serving as a reservoir for the high-pressure air. A heat exchange radiator is provided to remove heat from the engine and air compressor cooling liquid and heat the low-pressure air in the ventilation system. When heated air is not required, the radiator is moved to a second position so that air passing therethrough is exhausted from the unit and fresh air at ambient temperatures is provided by the ventilation system.

REFERENCES:
patent: 979579 (1910-12-01), Shuman
patent: 3610524 (1971-10-01), Wallen
patent: 3672445 (1972-06-01), Carson
patent: 3799244 (1974-03-01), Strauss et al.
patent: 3937034 (1976-02-01), Eskeli
patent: 3964458 (1976-06-01), Strauss et al.

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