Engine coolant changing apparatus

Details Engine coolant changing apparatus Engine coolant changing apparatus

1996-03-04

1997-04-01

Jacyna, J. Casimer

Fluent material handling, with receiver or receiver coacting mea

With soil removing, coating, lubricating, sterilizing and/or...

With cleaning, coating or drying means

141 59, 141 65, 141 67, 134169A, 165 95, B65B 300

Patent

active

056157169

ABSTRACT:
The invention relates to an engine coolant changing apparatus for changing an engine coolant such as LLC (long-life coolant) in an engine coolant path containing a radiator, comprising coolant storing means possessing a pressure action port and a liquid inlet and outlet, detaching mechanism to be attached or detached to or from a filler port of a radiator, communicating device for communicating between the liquid inlet and outlet and the detaching device, and pressure action device for applying a negative pressure to the pressure action port to overheat the coolant to a low temperature by driving an engine when discharging the coolant from an engine coolant system, and applying a positive pressure to the pressure action port when feeding a fresh liquid, so that the coolant can be changed promptly in a short time, without requiring manipulation of radiator drain cock or jack-up of the vehicle.

REFERENCES:
patent: 5265653 (1993-11-01), Herlth
patent: 5329982 (1994-07-01), Payne
patent: 5370160 (1994-12-01), Parker
patent: 5415247 (1995-05-01), Knorr

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