Heat exchange – With vehicle feature
Patent
1979-04-23
1982-10-19
Richter, Sheldon
Heat exchange
With vehicle feature
165156, 165169, 237 123B, 239130, F28D 710, F28F 922
Patent
active
043545483
ABSTRACT:
A device for heating liquid for one or several washer systems.
The present invention relates to a device for heating liquid for one or several washer systems, e.g. a wind screen washer system, a head lamp washer system, a rear screen washer system, etc, including a heat exchanger, preferably connected into a return pipe from the engine of a car to the cooling system of the engine.
An object of the present invention is to accomplish a device for heating of washer liquid with high efficiency although a very simple design.
According to the present invention such a device is characterized by a heat exchanger comprising of a central flow through means connected into said return pipe and consisting of a material of high thermal conductivity, said means being of short length, and of a further flow through means connected into the piping the washer system and consisting of a material of high thermal conductivity and in that a valve means is arranged between the heat exchanger, the washer nozzle, the washer liquid container and a pump of the washer system, said valve means prevents return flow of washer liquid to the heat exchanger.
REFERENCES:
patent: 921811 (1909-05-01), Deckebach
patent: 2260904 (1941-10-01), Horton
patent: 2653014 (1953-09-01), Sniader
patent: 3086358 (1963-09-01), Tumavicus
patent: 3318376 (1967-05-01), Vihl
patent: 3335790 (1967-08-01), Aranyi et al.
patent: 3632042 (1972-07-01), Goulish et al.
patent: 3739842 (1973-06-01), Whalen
patent: 3756510 (1973-09-01), Nitteri
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