As experts of ILSP® (Integrated Lip Seal Piston), the bonded pistons in automatic transmissions, BRUSS and its clutch and change speed selector pistons continue to set standards for short gear shifting and optimal driving comfort – with innovative product and material development ranging from design and product testing through to high-volume serial production.
We launched bonded pistons using injection technology in 1991 and supplied six modules for the first high-volume production of a direct-shift transmission – which included the multipole encoder wheels and change speed selector pistons that aid gear-shift activation and synchronisation. The first bonded piston with a Duroplast bearing in 2K injection moulding also originated from BRUSS.
The essentials in brief: