Как выбрать гостиницу для кошек
14 декабря, 2021
Сегодня каждый, кто собирается в отпуск и не знает, с кем оставить своего котика или кошку, может во[...]
Intellectual property protection
This design is the subject of a European patent application number EP 05255415 in the joint names of Macgregor Solar and Solartwin Ltd.
The collector is freeze-tolerant and so does not need any anti-freeze or heat exchanger. It can be directly connected to an existing heating system using fresh water. It could also be used to heat corrosive water e. g sea-water since the rubber used is resistant to corrosion.
1. Bartelsen et al , Elastomer — Metal Absorber, Development and Application, Proc ISES World Solar Energy Congress, Israel, 1999