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1. 发明申请

WO2018202659A1 VEHICLE WITH A BOOM COMPRISING A HYDRAULIC CONTROL CIRCUIT WITH A LOAD CONTROL VALVE 审中-公开
公开(公告)号：WO2018202659A1
公开(公告)日：2018-11-08
申请号：PCT/EP2018/061107
申请日：2018-05-02
申请人： CNH INDUSTRIAL ITALIA S.P.A. , CNH INDUSTRIAL AMERICA LLC , CNH (CHINA) MANAGEMENT CO., LTD , CNH INDUSTRIAL BRASIL LTDA.
发明人： BENEVELLI, Alessandro , CRISTOFORI, Davide , NOTARNICOLA, Giovanni
IPC分类号： B66F9/065 , B66F9/22
摘要： The vehicle according to the present invention comprises a boom (2) and a control valve MO to lift/lower the boom (2). The vehicle further comprises a control circuit to control the boom lowering speed via a pressure compensator LPC that balances a first pressure signal p_MO downstream of control valve MO during boom lowering and a second pressure signal p_pil from a hydraulic user interface so that, upon increasing of the first pressure signal p_MO during boom lowering, control valve MO progressively closes. The circuit preferably comprises a piloting valve (15) object of a use claim. A retrofit method is disclosed to retrofit an existing vehicle to obtain the features previously discussed.

2. 发明申请

WO2019012023A1 INCHING SYSTEM FOR A CONSTRUCTION VEHICLE 审中-公开
公开(公告)号：WO2019012023A1
公开(公告)日：2019-01-17
申请号：PCT/EP2018/068881
申请日：2018-07-12
申请人： CNH INDUSTRIAL ITALIA S.P.A. , CNH INDUSTRIAL AMERICA LLC , CNH (CHINA) MANAGEMENT CO., LTD , CNH INDUSTRIAL BRASIL LTDA.
发明人： NEGRI, Gianpiero , ODDO, Antonio , BENEVELLI, Alessandro , GARRAMONE, Adriano , GIRARDI, Mario , NOTARNICOLA, Giovanni , GRAVILI, Andrea
IPC分类号： B60R16/08 , B60W30/18 , A01B63/10 , B60T7/04
摘要： An inching system (100) for a vehicle (10) having a hydrostatic transmission (16) and an engine (12) that drives the transmission (16). The transmission (16) has a pilot pressure port (40) with a pressure of hydraulic fluid at the pilot pressure port (40) controlling a level of power from the transmission (16), a beginning of draining of the hydraulic fluid from the pilot pressure port (40) defining an inching starting point (ISP). The system including a brake pedal (28); and an electrohydraulic valve (34) coupled to the pilot pressure port (40) of the transmission (16), the valve (34) being configured to drain the hydraulic fluid at the pilot pressure port (40). A sensor (104 or 106) is coupled to the pedal (28) to detect an input from the operator, the sensor (104 or 106) producing a signal (108) indicative of the input from the operator. A controller (102) receives the signal (108) and a speed of the engine (12). The controller (102) controlling the electrohydraulic valve (34) dependent upon the signal (108) and the engine (12) speed so that the inching starting point (ISP) is unchanged regardless of the speed of the engine (12).

3. 发明申请

WO2018202703A1 PLANETARY GEAR PTO UNIT WITH A HYDRAULIC CONTROL, WORK VEHICLE COMPRISING THE SAME AND PTO TORQUE ESTIMATION METHOD 审中-公开
公开(公告)号：WO2018202703A1
公开(公告)日：2018-11-08
申请号：PCT/EP2018/061195
申请日：2018-05-02
申请人： CNH INDUSTRIAL AMERICA LLC , CNH (CHINA) MANAGEMENT CO., LTD , CNH INDUSTRIAL BRASIL LTDA. , CNH INDUSTRIAL ITALIA S.P.A.
发明人： BENEVELLI, Alessandro , CIARROCCHI, Marco, Pietro
IPC分类号： B60K17/28
摘要： A PTO unit (1) for a work vehicle comprises: a planetary gear (5) driven by an IC engine of the work vehicle; a PTO spline (S) connected in power transmission to the planetary gear (5) and defining a gear ratio; a hydrostatic transmission (6, 7, 20, 21) driven by the planetary gear (5) to control the gear ratio; a pressure sensor unit (30) for sensing a differential pressure across a loop (20) of the hydrostatic transmission; and a control unit (ECU) programmed to calculate a differential pressure in the loop (20) from a calibration mathematical model representing an unloaded functioning of the PTO spline (S); and a PTO spline torque from a further mathematical model based on said pressure drop, on pressure signals from the sensor unit (30) and on kinematic / hydraulic factors of the planetary gear (5) and the hydrostatic transmission.

4. 发明申请

WO2017129570A1 A TRANSMISSION SYSTEM 审中-公开
标题翻译：传输系统
公开(公告)号：WO2017129570A1
公开(公告)日：2017-08-03
申请号：PCT/EP2017/051442
申请日：2017-01-24
申请人： CNH INDUSTRIAL ITALIA S.P.A. , CNH INDUSTRIAL AMERICA LLC , CNH (CHINA) MANAGEMENT CO., LTD
发明人： BENEVELLI, Alessandro , MORSELLI, Riccardo
IPC分类号： B60K17/28 , F16H61/4061 , F16H61/4078 , F16H61/47
CPC分类号： B60K17/28 , B60Y2200/22 , F16H47/04 , F16H61/4061 , F16H61/4078 , F16H61/4104 , F16H61/47
摘要： A transmission system (1) is arranged for transmitting power generated by an engine (2) of a vehicle. The transmission system (1) comprises a power take-off (3) for driving an implement and a hydrostatic unit (5) for transmitting power from the engine (2) to the power take-off (3). The hydrostatic unit (5) comprises: - a first hydraulic power unit (6) having a first connection line (19) and a second connection line (20); - a second hydraulic power unit (7) having a first connection line (21) and a second connection line (22);10 - a valve (23) for connecting the first hydraulic power unit (6) and the second hydraulic power unit (7), the valve (23) being positionable at least in a first position and in a second position. In the first position, the first connection line (19) and the second connection line (20) of the first hydraulic power unit (6) are connected respectively to the first connection line (21) and to the second connection line (22) of the second hydraulic power unit (7). In the second position, the first connection line (19) and the second connection line (20) of the first hydraulic power unit (6) are connected respectively to the second connection line (22) and to the first connection line (21) of the second hydraulic power unit (7). The valve (23) is controlled according to a cycle of hysteresis when required to switch between the first position and the second position at a preset value of engine speed (ω).
摘要翻译：传输系统（1）被布置为传输由车辆的发动机（2）产生的动力。传动系统（1）包括用于驱动工具的动力输出装置（3）和用于将动力从发动机（2）传递到动力输出装置（3）的流体静力学单元（5）。静液压单元（5）包括： - 具有第一连接管线（19）和第二连接管线（20）的第一液压动力单元（6）; - 具有第一连接管路（21）和第二连接管路（22）的第二液压动力单元（7）; - 用于连接第一液压动力单元（6）和第二液压动力单元（6）的阀门（23） 7）中，阀（23）至少可定位在第一位置和第二位置。在第一位置中，第一液压动力单元（6）的第一连接管线（19）和第二连接管线（20）分别连接到第一连接管线（21）和第二连接管线（22）第二液压动力单元（7）。在第二位置，第一液压动力单元（6）的第一连接管线（19）和第二连接管线（20）分别与第二连接管线（22）和第一连接管线第二液压动力单元（7）。当需要在发动机转速（ω）的预设值处在第一位置和第二位置之间切换时，阀（23）根据滞后循环进行控制。

5. 发明申请

WO2020025311A1 HYDRAULIC ENERGY MANAGEMENT SYSTEM FOR HYDROSTATIC TRANSMISSION 审中-公开
公开(公告)号：WO2020025311A1
公开(公告)日：2020-02-06
申请号：PCT/EP2019/069102
申请日：2019-07-16
申请人： CNH INDUSTRIAL ITALIA S.P.A. , CNH INDUSTRIAL AMERICA LLC , CNH (CHINA) MANAGEMENT CO., LTD
发明人： BENEVELLI, Alessandro , MARINIELLO, Ciro , PINTORE, Francesco
IPC分类号： F16H61/4096 , B60K6/12 , F16H61/4035 , F16H61/4157
摘要： Hydraulic energy management system for hydrostatic transmission for a work vehicle, comprising - a pump (2) carried by an engine (7) and at least a hydraulic motor (3), pump (2) d said motor (3) being configured so operate with a fluid in pressure passing through themselves, - a first and a second accumulator (4, 5) configured to store fluid in pressure, - a hydraulic connection module (6) fluidly connecting together pump (2), motor (3) and first and second accumulators (4, 5), the module comprising at least seven ON-OFF valves and a peculiar layout configured to allow a versatile control of the hydraulic transmission.

6. 发明申请

WO2019145323A1 CONDITIONING BOX FOR A WORK VEHICLE 审中-公开
公开(公告)号：WO2019145323A1
公开(公告)日：2019-08-01
申请号：PCT/EP2019/051561
申请日：2019-01-23
申请人： CNH INDUSTRIAL ITALIA S.P.A. , CNH INDUSTRIAL AMERICA LLC , CNH (CHINA) MANAGEMENT CO., LTD
发明人： BENEVELLI, Alessandro , LEVATO, Luca
IPC分类号： B60K11/04
摘要： Conditioning box (1) for a work vehicle (10) comprising a structure (2) defining a shape having a plurality of faces, each face being configured to house at least one heat exchanger (11; 12; 13; 14) for a respective fluid flowing in an operative circuit of the work vehicle (10); the structure (2) delimiting an inner volume (20) and defining a main opening (21) configured to allow a fluid communication between the inner volume (20) and the environment, each of the at least one heat exchanger (11; 12; 13; 14) comprising at least one fan (25; 26; 27; 28) configured to force the air passing through the respective at least one heat exchanger (11; 12; 13; 14).

7. 发明申请

WO2017089358A1 A VEHICLE WHEEL AND A METHOD FOR CONTROLLING A VEHICLE 审中-公开
标题翻译：一种车轮和一种控制车辆的方法
公开(公告)号：WO2017089358A1
公开(公告)日：2017-06-01
申请号：PCT/EP2016/078471
申请日：2016-11-22
申请人： CNH INDUSTRIAL ITALIA S.P.A. , CNH INDUSTRIAL AMERICA LLC , CNH (CHINA) MANAGEMENT CO., LTD
发明人： BENEVELLI, Alessandro , MORSELLI, Riccardo
IPC分类号： B60C23/04 , B60C23/00
CPC分类号： B60C23/0486 , B60C23/002
摘要： A wheel for a vehicle comprises a tyre (2) and a rim (3) for supporting the tyre (2). A chamber (4) is defined between the tyre (2) and the rim (3) for receiving pressurized air. The wheel (1) further comprises a detecting device (9) located inside the 5 chamber (4) for detecting presence of water in the wheel (1).
摘要翻译：用于车辆的车轮包括轮胎（2）和用于支撑轮胎（2）的轮辋（3）。在轮胎（2）和轮缘（3）之间限定用于接收加压空气的腔室（4）。所述轮子（1）还包括位于所述室（4）内的用于检测所述轮子（1）中水的存在的检测装置（9）。

8. 发明申请

WO2017174646A1 A CONNECTION DEVICE FOR AN AXLE OF A VEHICLE 审中-公开
标题翻译：一种车辆的连接装置
公开(公告)号：WO2017174646A1
公开(公告)日：2017-10-12
申请号：PCT/EP2017/058087
申请日：2017-04-05
申请人： CNH INDUSTRIAL ITALIA S.P.A. , CNH INDUSTRIAL AMERICA LLC , CNH (CHINA) MANAGEMENT CO., LTD
发明人： BENEVELLI, Alessandro , FIORATI, Stefano , FERRARI, Fabrizio
IPC分类号： B60B21/12 , B60C23/00
摘要： A connection device is intended to be used in a vehicle having at least one wheel provided with a tyre. The connection device (1) comprises: a rotatable part (2) intended to be installed in a fixed position relative to the wheel, the rotatable part (2) extending around an axis (A); a non-rotatable part (3) for rotatingly supporting the rotatable part (2), the non-rotatable part (3) extending around said axis (A) and being at least partially surrounded by the rotatable part (2); an annular chamber (15) defined between the rotatable part (2) and the non-rotatable part (3), the annular chamber (15) allowing fluid communication between at least one conduit (16) provided in the rotatable part (2) and at least one duct (10) provided in the non-rotatable part (3), so that the tyre may be inflated by sending pressurized air from the non-rotatable part (3) to the rotatable part (2); a first annular sealing arrangement (11) and a second annular sealing arrangement (12) delimiting the annular chamber (15), the first annular sealing arrangement (11) being located at a first diameter (D1) around said axis (A), the second annular sealing arrangement (12) being located at a second diameter (D2) around said axis (A), the first diameter (D1) being different from the second diameter (D2).
摘要翻译：连接装置旨在用于具有至少一个设有轮胎的车轮的车辆中。所述连接装置（1）包括：可旋转部件（2），用于相对于所述轮子安装在固定位置，所述可旋转部件（2）围绕轴线（A）延伸; 用于旋转地支撑所述可旋转部件（2）的不可旋转部件（3），所述不可旋转部件（3）围绕所述轴线（A）延伸并且至少部分地被所述可旋转部件（2）围绕; （2）与不可旋转部件（3）之间限定的环形腔室（15），所述环形腔室（15）允许在设置于可旋转部件（2）中的至少一个导管（16）至少一个设置在不可旋转部件（3）中的管道（10），从而通过从不可旋转部件（3）向可旋转部件（2）发送加压空气来使轮胎充气; 限定所述环形室（15）的第一环形密封装置（11）和第二环形密封装置（12），所述第一环形密封装置（11）位于围绕所述轴线（A）的第一直径（D1）处，第二环形密封装置（12）位于围绕所述轴线（A）的第二直径（D2）处，第一直径（D1）不同于第二直径（D2）。

9. 发明申请

WO2017081191A1 A CONTROL CIRCUIT FOR CONTROLLING THE PRESSURE OF A TIRE WHEEL 审中-公开
标题翻译：一种控制轮胎压力的控制电路
公开(公告)号：WO2017081191A1
公开(公告)日：2017-05-18
申请号：PCT/EP2016/077328
申请日：2016-11-10
申请人： CNH INDUSTRIAL ITALIA S.P.A. , CNH INDUSTRIAL AMERICA LLC , CNH (CHINA) MANAGEMENT CO., LTD
发明人： BENEVELLI, Alessandro , MORSELLI, Riccardo
IPC分类号： B60C23/00 , B60C5/02
CPC分类号： B60C23/003 , B60C5/02
摘要： A control circuit for controlling the pressure of a tire wheel, wherein the tire wheel comprises: a rim (R); an inner tube (S), fixable to the rim (R), which encloses a first volume (A); a tire (T), fixed to the rim (R), which encloses the inner tube (S) and a second volume (B) external to the inner tube (S). The control circuit comprises: a controlled pressure line (C), connectable to a compressor; a first line (11), connectable to the controlled pressure line (C) and connected to the first volume (A) for introducing air inside the first volume (A); a second line (12), connectable to the controlled pressure line (C) and connected to the second volume (B) for introducing air inside the second volume (B). The control circuit further comprises a first spool valve (V1 ), which is a three way-two positions valve, having a first position in which the controlled pressure line (C) is connected to the first line (11), and a second position, in which the controlled pressure line (C) is connected to the second line (12). The first spool valve (V1) is normally kept in the first position and it is switchable in the second position if the pressure in the first volume (A) overcomes a predetermined pressure.
摘要翻译：一种用于控制轮胎压力的控制电路，其中所述轮胎轮包括：轮辋（R）;轮辋内管（S），其可固定到所述轮辋（R），其包围第一体积（A）; 固定到包围内管（S）的轮辋（R）的轮胎（T）和在内管（S）外部的第二体积（B）。控制电路包括：可控制的压力管路（C），可连接到压缩机; 第一管线（11），所述第一管线（11）可连接至所述受控压力管线（C）并连接至所述第一容积（A）以用于将空气引入所述第一容积（A）内; 第二管线（12），可连接到受控压力管线（C）并连接到第二容积（B），用于将空气引入第二容积（B）内。控制回路还包括第一滑阀（V1），其是三通二位阀，具有第一位置和第二位置，在第一位置中，受控压力管线（C）连接到第一管线（11）其中受控压力管线（C）连接到第二管线（12）。第一滑阀（V1）通常保持在第一位置，并且如果第一容积（A）中的压力超过预定压力，则它可以在第二位置切换。

10. 发明申请

WO2017081188A1 A CONTROL CIRCUIT FOR CONTROLLING THE PRESSURE OF A TIRE WHEEL. 审中-公开
标题翻译：一种控制轮胎压力的控制电路。
公开(公告)号：WO2017081188A1
公开(公告)日：2017-05-18
申请号：PCT/EP2016/077321
申请日：2016-11-10
申请人： CNH INDUSTRIAL ITALIA S.P.A. , CNH INDUSTRIAL AMERICA LLC , CNH (CHINA) MANAGEMENT CO., LTD
发明人： BENEVELLI, Alessandro , MORSELLI, Riccardo
IPC分类号： B60C23/00 , B60C5/02
CPC分类号： B60C23/003 , B60C5/02
摘要： A control circuit for controlling the pressure of a tire wheel, wherein the tire wheel comprises: a rim (R); an inner tube (S), fixable to the rim (R), which encloses a first volume (A); a tire (T), fixed to the rim (R), which encloses the inner tube (S) and a second volume (B) external to the inner tube (S). The control circuit comprises: a controlled pressure line (C), connectable to a compressor; a first line (11), connectable to the controlled pressure line (C) and connected to the first volume (A) for introducing air inside the first volume (A); a second line (12), connectable to the controlled pressure line (C) and connected to the second volume (B) for introducing air inside the second volume (B). The control circuit further comprises a first spool valve (V1), which is a three way-two positions valve, having a first position in which the controlled pressure line (C) is connected to the first line (11), and a second position, in which the controlled pressure line (C) is connected to the second line (12). The first spool valve (V1) is normally kept in the first position and it is switchable in the second position if the pressure in the first volume (A) overcomes a predetermined pressure.
摘要翻译：一种用于控制轮胎压力的控制电路，其中所述轮胎轮包括：轮辋（R）;轮辋内管（S），其可固定到所述轮辋（R），其包围第一体积（A）; 固定到包围内管（S）的轮辋（R）的轮胎（T）和在内管（S）外部的第二体积（B）。控制电路包括：可控制的压力管路（C），可连接到压缩机; 第一管线（11），所述第一管线（11）可连接至所述受控压力管线（C）并连接至所述第一容积（A）以用于将空气引入所述第一容积（A）内; 第二管线（12），可连接到受控压力管线（C）并连接到第二容积（B），用于将空气引入第二容积（B）内。控制回路还包括第一滑阀（V1），其是三通二位阀，具有第一位置和第二位置，在第一位置中，受控压力管线（C）连接到第一管线（11）其中受控压力管线（C）连接到第二管线（12）。第一滑阀（V1）通常保持在第一位置，并且如果第一容积（A）中的压力超过预定压力，则它可以在第二位置切换。

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