TRW Automotive Holdings on Friday announced new ‘thin wide bridge calliper technology’ (TWB) which, it said, combines the dual benefits of increased fuel economy with longer brake life.
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With the thin wide bridge design, the calliper bridge thickness is reduced by 45% in comparison to a conventional brake calliper design, while the width is increased by 40%. This decrease in bridge thickness allows for an increase in piston effective radius which, when combined with larger pads and rotors, can equate to a significant increase in brake torque output.
“Weight savings and enhanced performance were the primary objectives that led to the re-engineering of conventional brake parts to create highly mass-efficient structures for disc brake calliper housings,” said TRW braking engineering chief Josef Pickenhahn.
“The housings on the thin wide design are lighter than their predecessors, promoting better vehicle fuel economy. TWB housings also accommodate larger diameter rotors and friction pad areas, which tend to reduce rotor-running temperatures, brake fade and pad wear. Combined with larger rotors, this also results in increased brake torque output.
“Advances with thin wide bridge callipers broaden the array of designs to meet specific customer needs and can result in greater customer satisfaction for our world leading calliper products.”
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