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"Sound Memory  and Tradition"
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Eng. Renzo Lorenzi, founder of Brevetti Lorenzi
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Brevetti Lorenzi
The founding of AEI Perego ideally dates from 1929 when Renzo Lorenzi, an engineer originally from Trento, founded Brevetti Lorenzi in Milan, the first Italian company to manufacture systems for automating bells. The systems produced by Brevetti Lorenzi, patented with respect to the needs and traditions of national and regional chimes, were personalized by Engineer Lorenzi and then constructed and installed by the company's technicians. The company made use of its collaboration with the Fonderia Barigozzi for supplying the bells.
In a short time, Brevetti Lorenzi won widespread acceptance, while its products went on to handle the concerts of many of the most important bell towers in Italy and throughout the world.
IT WAS THE BEGINNING OF A GREAT REVOLUTION in the field of handling and ringing bells. Electro-mechanical technology for automating bell systems is a successful alternative to traditional ringing through the use of bars or wheels manually activated using ropes. This technology initiated by BREVETTI LORENZI was quickly established and began the rapid diffusion of new systems THROUGHOUT ITALY.
Nevertheless, such systems were based on the logic of applying the necessary equipment (motors, and systems for control and braking, etc.) to the systems in use. So, the manual systems were "adapted" to electrification and automation, remaining substantially unchanged in their general mechanics and movement. It was the logic of using the minimum means to achieve the maximum benefit that allowed making the transformation at an acceptable cost. Then came the MOTORIZED BELL YOKE CM.81, the first and only substantial innovation.
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Luigi Perego's AEI
Luigi Perego joined Brevetti Lorenzi's technical department as a very young man and became an impassioned promoter and designer.
In those years, Engineer Lorenzi, originally from Trento, was introducing systems for automating bells for the first time in Italy and patented with respect to the needs and traditions of national and regional chimes, which rapidly achieved the widest possible commercial success.
The systems were personalized by Engineer Lorenzi and then built and installed by the company's technical personnel, who had their offices in Milan.
Upon the death of Engineer Lorenzi and various other vicissitudes, the company was taken over by Luigi Perego. He had always maintained an active collaboration with Gianluigi Barigozzi, a bell founder by long family tradition, and knew how to make the company a leader capable of expanding the business to the production and sale of bells, in addition to the construction of frameworks to hold all the components necessary for the manual and motorized handling of the "sacred bronzes."
Ever since he had taken over the company, Luigi Perego had dedicated himself to maintaining its leading position in the sector. Since the beginning of the Seventies, over 3,000 systems have been installed, including numerous bell concerts using high technology systems.
AEI Perego has received a great deal of recognition for its work, both in Italy and abroad (Switzerland, Spain, Israel, Australia, Japan, the Philippines, Taiwan and Thailand). In addition, it was the first company in Italy to apply these new systems to ancient instruments like bells, patenting clocks for programming their movements and thus the ringing of the bells and for the control of tower clocks.
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The Motorized bell yoke Revolution
In 1981, AEI Perego patented a revolutionary product, the MOTORIZED BELL YOKE CM.81, a block that holds the chains, motor and wheels of the bell inside it.
The MOTORIZED BELL YOKE CM.81 is not an adaptation to an existing technology, but was designed solely for the purpose of automating bells: the idea was born from the desire to free the bell from all "external" mechanisms, while still allowing it swing automatically.
The MOTORIZED BELL YOKE guarantees the protective seal of the entire system, reduces maintenance and dynamic pushing to a minimum and eliminates the transmission of vibration to the structural walls.
The control system of the CM.81 can also be equipped with traditional electro-mechanical systems, but generally uses digital electronics by means of a software-assisted system: the monumental bell of the Ospedale San Raffaele in Rome, mounted with the MOTORIZED BELL YOKE CM.81, was, in fact, the first bell in the world to be handled with a digital electronic system.
This digital technology allows recovering all the nuances of traditional local chimes, which were being progressively dispersed through the inevitable forcing of the, much less flexible, electro-mechanical systems.
The MOTORIZED BELL YOKE maintains the traditional chiming of the bells unaltered and thus allows easily recovering the historic memory of all the traditional local chimes. It makes automating the bell system extremely simple so as to reduce the need for maintenance to a minimum, while it restores the esthetic linearity essential for the designs of great architects.
THE MOTORIZED BELL YOKE CM.81 IS ONLY AVAILABLE FROM AEI PEREGO.
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