INTEGRATED MASTER-CYLINDER FOR BRAKE-BY-WIRE BRAKING SYSTEM AND BRAKE-BY-WIRE BRAKING SYSTEM WITH THE SAME

WIPO Patent Application WO/2018/220453

A8

A brake pump (8) for the braking system of vehicles (4) having a pump body (16) comprising: a first and a second delivery circuit (20,24) fluidically connectable to at least a first and a second braking device (28,32), - wherein the first delivery circuit (20) comprises an indirect stage (36) fluidically connectable to the first braking device (28) and a direct stage (40) intercepted by a first control valve (44), fluidically connectable alternately to a braking simulator (48) and to said at least one second braking device (32) so as to alternately connect the direct stage (40) to the braking simulator (48) or to said at least one second braking device (32) for the actuation thereof, - wherein the second delivery circuit (24) is intercepted by said first control valve (44) so as to actuate the second braking device (32) alternately to the direct stage of the first delivery circuit (20). The pump body (16) has an input connection (56) to an actuating hydraulic circuit (60), traversed by an actuating fluid different from the said brake fluid and fluidically separated therefrom, and houses a first and a second float (72,76), fluidically connected respectively in output to the direct (40) and indirect (36) stages of the first delivery circuit (20). Moreover, the pump body (16) houses a third float (96) operatively connected, in input, to the input connection (56) of the hydraulic actuation circuit (60) and, in output, to the second delivery circuit (24).

ARIENTI ROBERTO (IT)
ODONI ANDREA (IT)
GUALANDRIS MASSIMO (IT)
CANTONI CARLO (IT)

PCT/IB2018/052900

November 21, 2019

April 26, 2018

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FRENI BREMBO SPA (IT)

B60T13/74; B60T8/36; B60T11/16; B60T11/20

MITOLA, Marco et al. (IT)

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