| 摘要 |
A BRAKE ARRANGEMENT IS DISCLOSED OF THE TYPE CONSISTING OF A SINGLE BRAKE ROTOR DISC (50) WITH ONE OR MORE BRAKE PADS (10) ADAPTED TO EFFECT BRAKING ON AN ANNULAR SURFACE OR SURFACES (51, 52) OF SAID DISC (50), THE ARRANGEMENT FURTHER INCLUDING A SURROUNDING HOUSING (53) ADAPTED TO CONTAIN, IN USE, A LIQUID MEDIUM, THE BRAKE PADS (10) OF THIS ARRANGEMENT BEING CONFIGURED WITH A PLURALITY OF GROOVES (17, 25, 27) FORMED IN THEIR BRAKING SURFACES SUCH THAT THE GROOVES (17, 25, 27) ARE ANGLED REARWARDLY RELATIVE TO ROTATION OF THE ROTOR DISC (50), ANDTHOSE GROOVES (17, 25, 27) OPENING ONTO A LEADING EDGE (13) OF THE PAD (10) HAVE WIDENED MOUTH REGIONS (20), THE GROOVES (17, 25, 27) FURTHER ARE PREFERABLY CURVED WITH THE CONVEX SIDE FACING TOWARDS THE LEADING EDGE (13.) OF THE PADS AND THE CURVATURE APPROXIMATING AN ARC OF A CIRCLE SUCH THAT TANGENTIAL LINES THROUGH A LEADING END (26) AND A TRAILING END (18) OF THE GROOVES JOIN SUBSTANTIALLY EQUAL ANGLES (A.) -WITH INNER (15) AND OUTER (16) CIRCUMFERENTIAL EDGES OF THE BRAKE PAD(10). (FIG. 3) |
