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Thermoengine Comparison - Solid vs. Hollow
Thermoengine Comparison - Solid vs. Hollow
Abstract: Just as quickly as Thermosonic's ThermoEngine entered the cooling market, it has since managed to get itself into controversy.

 Manufacturer  Category  Published  Author 
Thermoengine   Cooling / Heatsinks   May 04, 2001   Max Page  

Home > Reviews > Page: Four Tips for Identifying the Solid HS

1.) The fan sticker is different.

Hollow Thermoengine Solid Thermoengine

2.) The patent numbers have changed

Note that the patent numbers on the Hollow Thermoengine are 010104S094T and UK Pat. 2097550. Whereas on the Solid Thermoengine, the only apparent patent number is 010303-A-01 .

3.) The fan shroud has different markings: The extrusions are exactly the same for each Thermoengine. The only differences we could spot were between the patent numbers, and the text on the fan shroud. The original (hollow) Thermoengine has the following bits which appear to be absent from the current retail versions: "Thermosonic Technology Inc," and "sink & clip patent pend. world wide."

4.) The box is slightly different

Hollow Thermoengine Solid Thermoengine


The focus of this article is only to illustrate the performance characteristics between the two versions of Thermoengine heatsink on the market. Looking at our test results, the differences appear to be no more than ~2-3 degrees, with a large portion due to a poorer performing fan. While we cannot speculate what factors brought about the design change, the alteration has not greatly affected the ability of this heatsink design to cool.

Where 2-3 degrees are significant to the stability of your computer system, the effect may indeed be significant, but for the most part it is a lot less than what we had anticipated. With the uniqueness of the hollow cylinder in mind we had expected to see a temperature difference between the hollow and solid Thermoengine of between 5 and 10 degrees, a result which would have been a significant departure from many of the tested samples. While the hollow Thermoengine is obviously more desirable, the solid version still offers fairly good performance characteristics.

 Previous Page ° Heat Sink Review Index  

Table of Contents:

 1:  Thermoengine Comparison - Solid vs. Hollow
 2:  Differences between the two
 3:  Synthetic Temperature Test
 4:  Test Results
 5: — Four Tips for Identifying the Solid HS

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