Coolant transfer machine for automotive vehicle & method

Details Coolant transfer machine for automotive vehicle & method Coolant transfer machine for automotive vehicle & method

2005-08-30

2005-08-30

Jacyna, J. Casimer (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Combined

C141S231000, C141S065000, C141S067000, C184S001500, C134S16900A

Reexamination Certificate

active

06935388

ABSTRACT:
A coolant transfer machine for an automotive engine includes first and second fluid transfer systems. The first system, operated when the engine is not running, sequentially first removes at least a substantial portion of used coolant from the engine. The first system then collects in a used fluid container the used coolant as the used coolant is being removed and then replaces the removed used coolant with new coolant from a new fluid container. The second system, operated when the engine is running, simultaneously displaces at least a substantial portion of used coolant in the engine with new coolant from the new fluid container and collects the displaced used coolant in the used fluid container. A manually operable switch has a first position that enables operation of the first fluid transfer system and a second position that enables operation of the second fluid transfer system.

REFERENCES:
patent: 5681456 (1997-10-01), Delport
patent: 6637472 (2003-10-01), Camacho et al.

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