Underground service module

Details Underground service module Underground service module

F - Mech Eng,Light,Heat,Weapons

04

D

230/27

F04D 25/00 (2006.01) B60H 1/04 (2006.01)

Patent

CA 1139281

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 com- pressor; 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.

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