A designer dealing mainly with the concept of rational energy saving. In 2008, at the Globe Forum in Stockholm, he received the Best CSR Entrepreneur 2008 award from The Swedish Princess Victoria. He is a creator of several patented solutions:
in 1978 he developed the Start&Stop system – installed today by most car manufacturers who appreciate this planet-friendly solution;
in 1987, he created an innovative mechanism ensuring the operation of seat belts – a sensor warranting reliable, safe locking of the belts, which, with minor improvements, is still widely used today (and which enabled the Swedish manufacturer to overtake the competition that no longer exist);
in 2009 he described the Active Façade Air Ventilator,
in 2019, he developed and presented a soft damper (shown in the presentation video) – a device that safely and ingeniously solves previously underestimated problems occurring in ventilation systems.
Wszechobecne zjawisko błędnie działającej wentylacji, które naprawia rozwiązanie Pana HAWRANKA
Miękka przepustnica do regulacji m. in. kanałów wyciągowych: zaletami są cena (najtańsze rozwiązanie ze wszystkich dostępnych na rynku – składa się z 2 części łączonych na zacisk) i brak wytwarzania hałasu.
Wynalazek – start&stop
Wynalazek – pasy bezpieczeństwa
Wynalazek – Aktywny Nawiewnik Fasadowy
I miejsce w konkursie Zacznij Biz w Warszawie r. 2013
Hybrydowy Wzmacniacz Wentylacji (HWW)
aktywny nawiewnik fasadowy pozwalający na chłodzenie lub ogrzewanie powietrza – w zależności od pory roku
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