Engine coolant changing system

Details Engine coolant changing system Engine coolant changing system

2006-09-26

2006-09-26

Maust, Timothy L. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Combined

C141S065000, C141S067000, C141S092000, C141S231000

Reexamination Certificate

active

07111651

ABSTRACT:
An engine cooling system liquid insertion and removal system has an adapter disposed in a vehicle radiator service opening via which old coolant is removed from the engine system by partial vacuum applied to an old coolant container via a conduit. New coolant is introduced via the adapter by atmospheric pressure from a portable container. Conduits interconnect the engine cooling system, the old and new coolant containers, and a source of partial vacuum applied to conduits.

REFERENCES:
patent: 4793403 (1988-12-01), Vataru et al.
patent: 5090458 (1992-02-01), Creeron
patent: 5573045 (1996-11-01), Akazawa
patent: 5853068 (1998-12-01), Dixon et al.
patent: 6604557 (2003-08-01), Awad

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