Importance

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Abstract

A method and apparatus for maintaining equipment, such as an engine, in readiness for use while it is otherwise nonoperational. The equipment or engine is of the type having a closed liquid recirculation system. The present method and apparatus bypasses the usual recirculating pump in this system. An external supply power removes liquid from the sump or reservoir, and diverts the liquid from passage through the normal recirculating pump of the recirculating system. The diverted liquid is conditioned to a predetermined temperature by passage through a heat exchanger. It is pressurized by operation of the supply pump. It is then directed into the equipment recirculation system downstream from the outlet of the system's recirculating pump. The pressurized and temperature conditioned liquid is then forced through the equipment passages in the recirculation system. This maintains the equipment at a temperature in readiness for use. In the case of a lubrication liquid system, it also maintains proper lubrication of the equipment elements during periods in which the equipment is not being used.

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First Claim