Brake caliper

A brake-by-wire system has a brake caliper body (14, fig 2) with pairs of coaxial piston bores (52, fig 6) on each side of a disc opening with opposed brake pads (22, fig 1), the caliper maintaining a clearance between the brake pads and the brake disc in use. Each piston has a seal groove 54 with a...

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Bibliographische Detailangaben
1. Verfasser:	Ric Hampson
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BLASTING BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A brake-by-wire system has a brake caliper body (14, fig 2) with pairs of coaxial piston bores (52, fig 6) on each side of a disc opening with opposed brake pads (22, fig 1), the caliper maintaining a clearance between the brake pads and the brake disc in use. Each piston has a seal groove 54 with an axial taper and a large leading edge radius 55 so that as hydraulic pressure is released the piston always retracts by a distance greater than the deflection of the calliper body for full retraction. The brake-by-wire system allows a fast hydraulic prefill. The body can be asymmetric (e.g. with different bore diameters); have a bridge (28, fig 8) spanning the opening; be monobloc; and a design method is described (fig 9) which minimises mass & maximises strength rather than stiffness allowing higher deflections with features coinciding with an ellipse.