CPC F01P 11/06 (2013.01) [F01P 2011/063 (2013.01); F01P 2011/065 (2013.01); F01P 2025/08 (2013.01)] | 7 Claims |
1. A fluid exchange machine for introducing cleaning fluid into a vehicle engine's component while the vehicle engine is off, comprising:
a housing;
a controller in the housing;
a fluid system having a fluid tank, a pump disposed in the fluid tank, and fluid heating element disposed in the fluid tank; and
a three way valve connecting the pump, the fluid tank, and a vehicle engine's cooling system; and
wherein the fluid system includes a first path from the pump through the three way valve and back to the fluid tank, and a second path from the pump to the three way valve to the vehicle engine's component and then back to the fluid tank; and
wherein the fluid exchange machine operates using the first path while a fluid temperature is below a designated temperature, and operates using the second path when the fluid temperature is at or above the designated temperature.
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