PIMR decided to discontinue research on the Sens A Brake system and began developing a new brake system due to the bankruptcy of Edge International (New Zealand). The new model of the brake-by-wire system was built and tested in laboratory and road trials, and its versions were installed in a Jeep Grand Cherokee, a Mitsubishi L200, and a trailer. The new electro-pneumatic-hydraulic brake system features a compact design, making it easy to install in passenger cars, pickups, and trailers (O2 and O3). An electrical signal from the pressure transducer on the vehicle’s brake master cylinder controls a proportional valve, an EBS modulator, a pneumatic-hydraulic servo, and hydraulic brakes. The system is ready for homologation in O2/O trailers.
NEW ELECTRIC-PNEUMATIC-HYDRAULIC BRAKE SYSTEM FOR LIGHT AND MEDIUM SIZE ROAD UNITS
PIMR made the decision to stop R&D works on the Sens A Brake system and start R&D works on its own brake system because business partner Edge International Ltd. from New Zealand went into bankruptcy in early 2009. A new model of the electric brake system was built and tested in laboratory and road tests. Its modified versions were mounted in a Jeep Grand Cherokee, a Mitsubishi L200, and a trailer. The new electric-pneumatic-hydraulic brake system is a compact construction, easy to mount in cars, trucks, gooseneck trailers, and trailers (O2 and O3).
The electric signal from the pressure transmitter (in the car/truck) controls a steer-by-wire electro-pneumatic proportional valve, and through an EBS modulator, a pneumatic-hydraulic converter steers the hydraulic brakes of the trailer. The system is ready for gooseneck trailer and O2/O category trailer homologation approval. (…)
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Source: Logistyka Magazine