Noise of air of cooling systems is pollution of the environment

Noise of air of cooling systems is pollution of the environment

ZIEHL-ABEGG (Germany, Japan) - Press Release: Japanese fan expert Masahiro Tsujimoto exchanges experiences at an international meeting.

“Cooling and fresh air machines must be silent and must consume less energy!” Masahiro Tsujimoto, managing director of fan company Ziehl-Abegg Japan, underlines during an international conference in the German Fan Valley. “We must be able to reduce the big energy consumption of cooling machines in Japan and reduce the noise of these machines.”

The German company Ziehl-Abegg has more than 100 years of experience in invention and construction of electric motors and fans. “The requirements changed during the past 100 years”, Masahiro Tsujimoto says. In the beginning, the focus was on the life period, later on the ventilation system performance. The energy consumption has been important for roughly 20 years. “Furthermore, people evaluate noise as pollution of the environment or as noise disturbance in the past few years”, the expert explains.

International leading fan companies try to reduce energy consumption and noise of air installation and air conditioning systems. Ziehl-Abegg, the origin of the German Fan Valley, is leader in bionic fan design. The engineers have a lot of experience: they transferred characteristics from the owl, the eagle, the humpback whale or of trees into the fan design, always with the aim to reduce noise and to optimize the fan’s aerodynamics to reduce energy consumption.

“There are two possibilities: the planning of new buildings and the refurbishment of existing buildings”, Masahiro Tsujimoto illustrates. The ventilation system of old buildings is often too noisy and consumes too much energy. “If you need current calculation software for the needs and refurbish with energy saving fans, it is not necessary to modify the tube system”, he explains. 

Picture text:

Fan expert Masahiro Tsujimoto discussing with Dr Walter Angelis, Technical Manager for Ventilation Systems at Ziehl-Abegg, the fan’s bionic design to reduce noise by more than 50 percent.

Photographer: ZIEHL-ABEGG / Rainer Grill


About Masahiro Tsujimoto:

Masahiro Tsujimoto (born in 1970) worked as a technical specialist for several companies in Japan. His job was to optimize the air flow or the process flow (chemical, food and beverage). He is an engineer with a lot of international technical experience.

About Fan Valley:

The area Hohenlohe in the south of Germany is called Fan Valley. There are leading companies of the German fan business located. The core is Ziehl-Abegg; from this company the companies came into existence during the last 60 years.

About Ziehl-Abegg:

Ziehl-Abegg (Kuenzelsau, Baden-Wurttemberg, Germany) is one of the leading global companies in the field of ventilation, control and drive technology. Back in the Fifties, Ziehl-Abegg established the basis for modern fan drives: external rotor motors which even today are still seen as state-of-the-art worldwide.

The high-tech company has an impressive innovative capability. The company has a global workforce of 3,900 spread between 16 production plants, 28 companies and 108 sales locations. Turnover in 2017 totalled 540 million euros.

Emil Ziehl founded the company in Berlin in 1910. After the Second World War the company’s headquarters were relocated to Southern Germany. Ziehl-Abegg SE is not a listed company but instead is family-owned.

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