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1.发明申请公开(公告)号：US20190162105A1
公开(公告)日：2019-05-30
申请号：US15773861
申请日：2015-11-11
发明人： Piercarlo BOFFELLI
CPC分类号： F01P7/06 , F01P7/084 , F04D19/002 , F04D29/323 , F04D29/362 , F05D2260/74 , F05D2260/76
摘要： Apparatus for actuating and controlling the rotation, about their longitudinal axis (Y-Y), of blades (20) of cooling fans (10) for operating machines and/or vehicles, in particular agricultural tractors and off-road vehicles, said fan being mounted on a hub (11) which can be rotationally driven about its axis (X-X) by associated driving means (3,3a) suitable for connection to the heat engine (1) and mounted on a fixed support (5) by means of a bearing (3b) the apparatus comprising a ring (71) provided with a radial seat (71a) inside which a radial pin (72), eccentrically engaged in a base (73) integral with the shank (20a) of the blade (20), is inserted; an electric motor (30) which is coaxial with the axis (X-X) of the hub (11) and the shaft (31) of which is coaxially connected to a reduction gear (40), the kinematic output element (143) of which is coaxially connected by means of a screw (51a)/female thread (76a) coupling to a slider (76) displaceable in both directions along the axis (X-X) and kinematically connected to the ring (71) with an eccentric pin (72) driving the base (73) of the shank of the blade, an electromagnetic clutch (80; 180; 280) being arranged between the pulley (3) and the hub (11) of the fan.
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公开(公告)号：US20210079831A1
公开(公告)日：2021-03-18
申请号：US16964524
申请日：2018-06-13
申请人： BARUFFALDI S.P.A.
发明人： Piercarlo BOFFELLI
摘要： Pump for recirculating a cooling liquid of a vehicle, comprising: a pump body (11) and an impeller (1) mounted on a driven shaft (2), coaxial with each other a first device (100) for transmitting to the driven shaft (2) the movement generated by the shaft of the combustion engine of the vehicle and comprising movement receiving means suitable for connection (103) with said shaft of the combustion engine; —a friction coupling (120) of the electromagnetic type, connected to said movement receiving means (121); —a second device (200) for generating a movement for the driven shaft (2) independently of the first movement transmission device (100) and comprising an electric motor (250) with stator (251) and rotor (253); —connection means (3,4,4a) rotationally integral with the driven shaft (2); wherein—the rotor (253) of the electric motor (250) is rotationally integral with the means for connection to the driven shaft (2); —the electromagnetic friction coupling (120) is arranged so as to connect/disconnect the first device (10) for transmission of the movement to the means (3,4,4a) for connection to the driven shaft; and—said electric motor (250) is arranged in a position axially on the outside of the electromagnetic friction coupling (120) and on the opposite side to the latter with respect to the impeller (1).
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3.发明申请公开(公告)号：US20210079832A1
公开(公告)日：2021-03-18
申请号：US16619023
申请日：2018-06-14
申请人： BARUFFALDI S.P.A.
发明人： Piercarlo BOFFELLI
摘要： Apparatus for controlling the rotation about a longitudinal axis (X-X) of a fan (1) for cooling the cooling fluid contained in the radiator of a vehicle, comprising:—a fixed support sleeve (3), internally hollow and extending parallel to the longitudinal axis (X-X) of rotation of the fan;—a bell member (1a) for supporting the fan, mounted on the outer race (2a) of a bearing (2), the inner race (2b) of which is keyed onto the support sleeve (3);—an electromagnetic friction coupling (10) arranged between the bell member (1a) and movement receiving means (4) suitable for connection to the driving shaft of the vehicle;—an electric motor (20) for generating a rotational movement independent of the driving shaft of the vehicle, comprising a stator (21) and a rotor (22);—a first rear flange (3a) integral with the sleeve (3) and designed to support an electromagnet (12) of the electromagnetic friction coupling; a second front flange (40) integral with the sleeve (3) and designed to support the stator (21) of the electric motor (20) and a unit (30; 130) for controlling and electronically driving the electric motor (20), arranged in a position radially on the inside of the bell member (1a) for supporting the fan.
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4.发明申请公开(公告)号：US20200056533A1
公开(公告)日：2020-02-20
申请号：US16486093
申请日：2018-02-19
申请人： BARUFFALDI S.P.A.
发明人： Piercarlo BOFFELLI
摘要： Pump for recirculating a cooling fluid for a vehicle with combustion engine, comprising: a pump body (11) designed to be fixed to a base (11a) of the vehicle engine; an impeller (1) inserted inside a chamber containing the cooling fluid and mounted on a driven shaft (2), at least one first electric motor (50) for driving the shaft (2) of the impeller (1), wherein—said electric motor (50) comprises a fixed stator (51) mounted on the body (11) of the pump on the outside thereof and a rotor (52) radially outer lying with respect to the stator and connected to the shaft (2) of the impeller (1) of the pump on the outside of the cooling fluid chamber and via transmission means (54, 54a; 354, 354a; 54a, 66), and wherein the electric motor is designed to operate the impeller independently of the combustion engine.
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