Personal watercraft winterizing and flush kit

Details Personal watercraft winterizing and flush kit Personal watercraft winterizing and flush kit

2007-12-18

2007-12-18

Olson, Lars A. (Department: 3617)

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

Reexamination Certificate

active

11335799

ABSTRACT:
A portable pressurized personal watercraft (PWC) flushing and winterization system that gives consumers a simple and convenient PWC marine engine pressurized flush and winterization option. The PWC flushing system generally includes a compression tank with a manual or electric pressure-regulated pump (ac or dc) connected by coiled hose assembly through a stop valve, through a pressure regulator to the existing water-flush connection on most PWCs. The flushing and winterization system includes a flush chemical concentrate that is introduced into the tank and mixed with the proper amount of fresh water, and the tank/pump/regulator combination maintains a regulated output pressure of chemical or anti-freeze into the PWC engine. In addition to pressure-regulation, the amount of flush solution or anti-freeze is demarcated by level-indicator gradients on the tank, and visual monitoring of the operation of the device is possible through a clear hose assembly.

REFERENCES:
patent: 4121948 (1978-10-01), Guhlin
patent: 5295880 (1994-03-01), Parker
patent: 5416947 (1995-05-01), Jaffe
patent: 5482483 (1996-01-01), Rice
patent: 6719210 (2004-04-01), Clarke

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