Showcase brevetti

Reducing the production cost of renewable energy

Reducing the production cost of renewable energy is a priority in order to favour its commercial penetration. This can only be achieved through a real technological enhancement that allows reducing costs for the building of plants as well as improving their efficiency. Improving the features of the turbine axle is certainly an effective strategy. [...]

November 8th, 2012|

Giunto Irreversibile

The Girotto irreversible coupling is a mechanical device which comprises a motor element (input) and a driven element (output), both movable with respect to a fixed structure, usually a frame. The main features of the irreversible coupling are the large transmission capacity of torque and high sensitivity and accuracy of positioning. The fields of application [...]

October 22nd, 2012|

Zero Drive

The Zero Drive is a speed reducer made by applying the principle of irreversible joint and deposited by Girotto Patents. The Zero Drive can be realized according to a pattern of transmission worm, parallel gears and planetary gear. The fields of application range from high-precision positioning systems to irreversible systems for industrial, civil, etc... Now [...]

October 22nd, 2012|


1999 sees the birth of Evotech srl. Adriano Girotto is responsible for the technical department. In the following year Pirelli spa asks Evotech to carry out a study on a continuous storage/supply buffer for the production of tyre compound (CCM – Continuous Compound Mixing). […]

August 29th, 2011|