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    LOAD-SENSING CONTROL DEVICE FOR PRIORITY VALVES
    2.
    发明公开
    LOAD-SENSING CONTROL DEVICE FOR PRIORITY VALVES 审中-公开

    公开(公告)号：EP3347600A1

    公开(公告)日：2018-07-18

    申请号：EP16794409.9

    申请日：2016-09-09

    申请人： SAFIM S.p.A.

    发明人： MAMEI, Enrico ,  MAMEI, Eronne ,  MAMEI, Andrea

    IPC分类号： F15B13/02

    摘要： A load-sensing control device (1) for priority valves, comprising: a body (2) inside which is formed at least a first seat (3) communicating with a supply line (4), connectable to pumping means of a working fluid, with an output line (5, 6) of the working fluid, with a load-sensing line (7) adapted to send inside the first seat itself a pressure signal corresponding to the working pressure of at least a priority user point; at least a spool (8) accommodated in a sliding manner inside the first seat (3) to control the flow rate of the working fluid towards the output line (5, 6), on the spool (8) acting at least a first chamber (9) communicating with the load-sensing line (7) and a second chamber (10) communicating with the priority user point, where the first chamber (9) acts on a first extremity (8a) of the spool (8) and the second chamber (10) acts in contrast with the first chamber (9), and where inside the latter are accommodated elastic means (11) adapted to push the spool (8) in contrast with the action applied by the second chamber (10); a third chamber (14) communicating with the first chamber (9) and acting on a portion of the second extremity (8b) of the spool (8) opposite the first extremity (8a) and where the second chamber (10) acts on the remaining portion of the second extremity (8b), the useful surfaces acting on the spool (8) from mutual opposite sides corresponding to that of the remaining portion.

    BRAKING DEVICE FOR TRAILERS OF AGRICULTURAL MACHINES
    8.
    发明公开
    BRAKING DEVICE FOR TRAILERS OF AGRICULTURAL MACHINES 审中-公开

    公开(公告)号：EP3368385A1

    公开(公告)日：2018-09-05

    申请号：EP16809169.2

    申请日：2016-10-26

    申请人： SAFIM S.p.A.

    发明人： MAMEI, Eronne ,  MAMEI, Enrico ,  MAMEI, Andrea

    IPC分类号： B60T7/20 ,  B60T17/18

    CPC分类号： B60T7/20 ,  B60T17/18

    摘要： A braking device (1) for trailers of agricultural machines, comprises: - a first and a second female coupling (2, 3) as sociable to a trailer and able to receive relative male couplings (4, 5) associable to a towing vehicle; at least one control line (6) connectable to the service braking system (F) of the trailer, at least one additional line (7) connectable to the automatic and/or parking brake (G) of the trailer; - a command device (11) of the automatic and/or parking brake (G) of the trailer comprising first elastic means (12) able to activate the automatic and/or parking brake itself and at least a fluid- operated cylinder (13) having at least a first chamber (14) able to move the relative rod (13b) in the opposite direction to the action of the first elastic means (12); wherein the cylinder (13) has at least a second chamber (15) acting on the opposite side of the first chamber (14) and wherein it comprises at least one valve (16) interposed between the female couplings (2, 3) and the command device (11) and having a spool (17) movable between a braking configuration, and a normal operation configuration.

    ACTUATING DEVICE OF A VALVE FOR THE BRAKING OF A TRAILER
    9.
    发明公开
    ACTUATING DEVICE OF A VALVE FOR THE BRAKING OF A TRAILER 审中-公开
    用于制动拖车的阀门执行装置

    公开(公告)号：EP3319848A1

    公开(公告)日：2018-05-16

    申请号：EP16741689.0

    申请日：2016-07-08

    申请人： SAFIM S.p.A.

    发明人： MAMEI, Eronne ,  MAMEI, Enrico ,  MAMEI, Andrea

    IPC分类号： B60T11/10 ,  B60T15/04 ,  B60T13/22

    CPC分类号： B60T15/041 ,  B60T11/108 ,  B60T13/22

    摘要： An actuating device (1) of a valve (40) for the braking of a trailer comprises: at least a driving chamber (12) having at least a braking gap (13) connectable to the braking system of a towing vehicle and inside which is slidably accommodated at least one driving element (14) movable between a rest configuration and a driving configuration wherein it interacts with the distributor (9) to displace it from the rest position to the braking one; at least an actuating seat (15) inside which is accommodated sealingly sliding at least one piston (16, 17) delimiting at least a first chamber (15a), communicating with at least an additional gap (20) connectable to the secondary port (23) and acting on a first face (16a) of the piston itself, and at least a second chamber (15b), communicating with at least a driving gap (18) connectable to a control device of the parking and/or emergency brake of the towing vehicle and acting on a second face (17a) of the piston (16, 17) opposite the first face (16a); at least a connecting rod (19) placed between the piston (16, 17) and the driving element (14), the piston (16, 17) being able to push the driving element (14) from its rest configuration to the driving configuration by means of the rod (19) when the force acting on the first face (16a) is greater than that acting on the second face (17a).