How does an EC motor work? The EC (electronically commutated) motor is a synchronous motor powered by an inverter with permanent magnets in an external rotor design. The stator is driven by electronic switches controlled by a microcontroller. The motor needs to be supplied with AC voltage and a DC voltage signal to operate.The mains voltage, ...

A process to create and manage all the information on engineering, construction and 3D architecture project – before, during and after the construction: it is the Building Information Model (BIM), a digital description of every aspect of the constructed asset. It is an innovative encoding system of real-time information based on a virtual ...

The Korean environmental consulting company KSD has tested Wellisair's effectiveness on a Korean bus for two days in September 2020. The process consisted on taking samples on bus surfaces such as handles, seats or buttons, in the front, centre and rear of the vehicle, before and after the installation of Wellisair. Air samples were also taken ...

In the line of air purification products, Airtècnics has launched Cyclohnic: a new air purifier, unpublished until now, with active hydroxyl radical technology that cleans and sanitizes large indoor spaces whose contamination is due to large volatile organic particles of animal origin. How does it work? The device is a ventilation box ...