Abstract: The invention relates to a hydraulic device including: a stator and a rotor, in which the rotor can rotate relative to the stator about a first axis of rotation; and a shaft mounted on the rotor such as to rotate therewith. The shaft has a wheel carrier provided at a proximal end thereof and designed to receive a rim and a tire. The shaft includes a through-channel extending from the proximal end to an opposing distal end. The hydraulic device includes an air chamber formed at the distal end of the shaft and connected to the through-channel. The through-channel and air chamber are produced such as to allow a flow of air in order to control the pressure of a tire.

Abstract: An assembly including a hydraulic device around a second axis of rotation by means of a proximal rolling-element bearing and a distal rolling-element bearing, the hydraulic device including a shaft, a multi-lobe cam, a cylinder block and a distributor, and a pivoting element adapted to be mounted on an axle, and movable in rotation relative to the hydraulic device around a first axis of rotation. Views along a plane defined by the second axis of rotation and the first axis of rotation, the proximal rolling-element bearing and the distal rolling-element bearing are positioned on either side of the first axis of rotation, in that the cylinder block is positioned between the first axis of rotation and the proximal rolling-element bearing.

Abstract: A hydraulic apparatus comprising a casing (1) having arranged therein a hydraulic machine (2), a shaft (4) mounted to rotate relative to the casing (1) by means of a bearing (5), a braking system (3) having a plurality of brake disks (31, 34) configured to prevent the shaft (4) rotating relative to the casing (1) in selective manner, and a control system (6, 7) for controlling said braking disks (31, 34), the hydraulic system including an irrigation system adapted to cool said brake disks (31, 34) by means of a fluid, the irrigation system including a fluid inlet (81) and a fluid outlet (82), the hydraulic system being characterized in that the fluid inlet and outlet (81, 82) of the irrigation system define a fluid flow within the casing in which the braking system (3) is downstream from the hydraulic machine (2).

Abstract: The invention relates to a hydraulic device including: a stator and a rotor, in which the rotor can rotate relative to the stator about a first axis of rotation; and a shaft mounted on the rotor such as to rotate therewith. The shaft has a wheel carrier provided at a proximal end thereof and designed to receive a rim and a tire. The shaft includes a through-channel extending from the proximal end to an opposing distal end. The hydraulic device includes an air chamber formed at the distal end of the shaft and connected to the through-channel. The through-channel and air chamber are produced such as to allow a flow of air in order to control the pressure of a tire.

Abstract: The invention relates to a system for pneumatically powering a wheel comprising a bearing support (10), a shaft (20) comprising a hub-forming end (21) which extends radially (Y), at least one set of rolling bearings (30), wherein the system further comprises a chamber (C) formed by the hub-forming end (21), the bearing support (10), a rolling bearing seal (40) and a chamber seal (50), a primary channel (60) crossing the bearing support (10) and opening into the chamber (C), a secondary channel (70) crossing the hub-forming end (21) and opening into the chamber (C), wherein seals seal the cavity (C) in order to let air pass from the primary channel to the secondary channel via the cavity (C).

Abstract: A hydraulic machine (1) comprising first and second brake elements (92, 93), a spring washer (65) tending to urge the first and second brake elements (92, 93) in a braking direction, and a brake release piston (61) configured to act on the spring washer (65) in a direction opposing the braking direction, the hydraulic machine being characterized in that the brake release piston (61) comprises a primary brake release piston (61a) associated with a primary brake release chamber (62a), and a secondary brake release piston (61b) associated with a secondary brake release chamber (62b), said primary and secondary chambers (62a, 62b) extending radially around the shaft (2) in such a manner that projections of the primary brake release chamber (62a) and of the secondary brake release chamber (62b) onto a plane perpendicular to a longitudinal axis (X-X) defined by the axis of rotation of the hydraulic machine (1) are superposed, at least in part.

Abstract: Container closures wherein at least one void comprised in the closure is at least partially filled with a gas or gaseous mixture which by composition or pressure is different from air are disclosed. The oxygen content of said gas can be lower than the oxygen content of air. Through use of such closures for sealing closed containers, the amount of air and therefore oxygen that enters the closed container through closure desorption can be effectively controlled, changed, or even largely eliminated.

Abstract: The present invention relates to a system comprising: a shaft having a distal end and a proximal end; a casing defining a housing in which a hydraulic device is rotatably mounted on the shaft; and a sealing element comprising a low pressure dynamic sealing means and a reinforced dynamic sealing means formed by a static seal tightly mounted on a friction pad, such as to isolate the dynamic sealing means from the rotating hydraulic device, said sealing element defining a discharge chamber between the dynamic sealing means and the reinforced dynamic sealing means, which discharge chamber is connected to a drain via a pipe arranged on the surface of the shaft, between the hydraulic device and the shaft, so as to discharge the fluid located in the discharge chamber, such that said discharge chamber is not subjected to the pressure in the casing of the hydraulic device.

Abstract: A hydraulic machine (1) comprising first and second brake elements (92, 93), a spring washer (65) tending to urge the first and second brake elements (92, 93) in a braking direction, and a brake release piston (61) configured to act on the spring washer (65) in a direction opposing the braking direction, the hydraulic machine being characterized in that the brake release piston (61) comprises a primary brake release piston (61a) associated with a primary brake release chamber (62a), and a secondary brake release piston (61b) associated with a secondary brake release chamber (62b), said primary and secondary chambers (62a, 62b) extending radially around the shaft (2) in such a manner that projections of the primary brake release chamber (62a) and of the secondary brake release chamber (62b) onto a plane perpendicular to a longitudinal axis (X-X) defined by the axis of rotation of the hydraulic machine (1) are superposed, at least in part.

Abstract: A hydraulic apparatus comprising a casing (1) having arranged therein a hydraulic machine (2), a shaft (4) mounted to rotate relative to the casing (1) by means of a bearing (5), a braking system (3) having a plurality of brake disks (31, 34) configured to prevent the shaft (4) rotating relative to the casing (1) in selective manner, and a control system (6, 7) for controlling said braking disks (31, 34), the hydraulic system including an irrigation system adapted to cool said brake disks (31, 34) by means of a fluid, the irrigation system including a fluid inlet (81) and a fluid outlet (82), the hydraulic system being characterized in that the fluid inlet and outlet (81, 82) of the irrigation system define a fluid flow within the casing in which the braking system (3) is downstream from the hydraulic machine (2).

Abstract: The invention concerns a suspension element for self-propelled machine comprising: a suspension fork (100) secured to the chassis of the machine and comprising two parallel arms (120, 130), a motor (400), secured to two sleeves (200, 300) each comprising at least one bearing (210A, 210B, 310A, 310B) adapted to slide in translation on the arms (120, 130), the suspension element being characterized in that the two sleeves (10) (200, 300) are separate parts, the motor (400) comprising a casing (410) adapted to form a supporting frame allowing the ensured rigid connection between the two sleeves (200, 300) and for this purpose comprising connecting means designed to ensure the connection between the supporting frame of the motor and each of the two sleeves over a center distance range of the sleeves while withstanding the forces applied by the chassis on the casing.

Abstract: The invention relates to a turning device for a steered wheel of a rolling machine, the device including: a yoke (20), an assembly (10) for mounting the steered wheel, including an end piece (11) intended to be attached to the steered wheel, and an intermediate connecting member (300), relatively to which the end piece (11) is mounted so as to rotate around a first axis (13) of rotation of the steered wheel, a support (12) pivotally mounted around a second axis (23) of rotation relatively to the yoke (20) according to a turning angle (ANG) of the wheel, the second axis (23) of rotation being distinct and not parallel to the first axis (13) of rotation of the steered wheel, a turning angle sensor (30), one from among the support (12) and the yoke (20) being attached to the intermediate connecting member (300) and the other one from among the support (12) and the yoke (20) being intended to be attached to a fixed portion (C, E) of the rolling machine.

Abstract: The invention relates to a system for pneumatically powering a wheel comprising a bearing support (10), a shaft (20) comprising a hub-forming end (21) which extends radially (Y), at least one set of rolling bearings (30), wherein the system further comprises a chamber (C) formed by the hub-forming end (21), the bearing support (10), a rolling bearing seal (40) and a chamber seal (50), a primary channel (60) crossing the bearing support (10) and opening into the chamber (C), a secondary channel (70) crossing the hub-forming end (21) and opening into the chamber (C), wherein seals seal the cavity (C) in order to let air pass from the primary channel to the secondary channel via the cavity (C).

Abstract: The invention relates to a hydraulic apparatus (1) including: a casing (6) defining a first assembly; a shaft (2) defining a second assembly; said first and second assemblies being freely rotatable relative to one another; a multi-lobe cam (3) rotatably connected to one of said first or second assembly; a dispenser (51) and a dispenser cover (52); a cylinder block (4) mounted such as to be freely rotatable relative to said first and second assemblies and including a means for rotatably engaging relative to the other of said assemblies, characterized in that the hydraulic apparatus (1) includes a return means for moving the cylinder block (4) in order to rotatably disengage same from said first or second assembly, and in that the dispenser (5) is configured, when applying pressure, to rotatably engage the cylinder block (4) relative to the other of said first or second assembly.

Abstract: The hydraulic system comprises a casing (10) in which there are disposed hydraulic apparatus (12), a shaft (14) engaged in the casing, and a sealing device (16) between the shaft and the casing. The sealing device comprises first and second sealing elements (20, 22) disposed in succession on the shaft while forming between them a discharge chamber (24) connected to a drain (26), the first sealing element being situated between the discharge chamber and the internal space (11) of the casing. Between the discharge chamber (24) and the internal space (11) of the casing, the hydraulic system has a communication duct (28) in which a calibrated jet nozzle (30) is disposed.

Abstract: The present invention relates to an assembly comprising —an axle (1), —a steering pivot (2) mounted on the axle (1), —a wheel spindle (3) mounted on the pivot (2), —a hydraulic motor and a wheel mounted on said spindle (3), such that the spindle (3) is pivotally mounted relative to the axle (1), the axle (1), the spindle (3) and the pivot (2) being provided with communicating hydraulic pipes to supply the hydraulic motor with fluid, the hydraulic pipes being arranged in the axle (1), the pivot (2) and the spindle, the pivot (2) comprising a shaft member fitted in the axle (1) about which the spindle (3) is fitted, the axle (1) and the spindle (3) each comprising grooves connected respectively to the hydraulic pipes of the axle (1) and the spindle (3) in such a way as to form the rotating joint with the hydraulic pipes of the pivot (2).

Abstract: The invention relates to a hydraulic apparatus (1) including: a casing (6) defining a first assembly; a shaft (2) defining a second assembly; said first and second assemblies being freely rotatable relative to one another; a multi-lobe cam (3) rotatably connected to one of said first or second assembly; a dispenser (51) and a dispenser cover (52); a cylinder block (4) mounted such as to be freely rotatable relative to said first and second assemblies and including a means for rotatably engaging relative to the other of said assemblies, characterized in that the hydraulic apparatus (1) includes a return means for moving the cylinder block (4) in order to rotatably disengage same from said first or second assembly, and in that the dispenser (5) is configured, when applying pressure, to rotatably engage the cylinder block (4) relative to the other of said first or second assembly.

Abstract: The present invention relates to an assembly comprising —an axle (1), —a steering pivot (2) mounted on the axle (1), —a wheel spindle (3) mounted on the pivot (2), —a hydraulic motor and a wheel mounted on said spindle (3), such that the spindle (3) is pivotally mounted relative to the axle (1), the axle (1), the spindle (3) and the pivot (2) being provided with communicating hydraulic pipes to supply the hydraulic motor with fluid, the hydraulic pipes being arranged in the axle (1), the pivot (2) and the spindle, the pivot (2) comprising a shaft member fitted in the axle (1) about which the spindle (3) is fitted, the axle (1) and the spindle (3) each comprising grooves connected respectively to the hydraulic pipes of the axle (1) and the spindle (3) in such a way as to form the rotating joint with the hydraulic pipes of the pivot (2).

Abstract: The present invention relates to a system comprising: a shaft having a distal end and a proximal end; a casing defining a housing in which a hydraulic device is rotatably mounted on the shaft; and a sealing element comprising a low pressure dynamic sealing means and a reinforced dynamic sealing means formed by a static seal tightly mounted on a friction pad, such as to isolate the dynamic sealing means from the rotating hydraulic device, said sealing element defining a discharge chamber between the dynamic sealing means and the reinforced dynamic sealing means, which discharge chamber is connected to a drain via a pipe arranged on the surface of the shaft, between the hydraulic device and the shaft, so as to discharge the fluid located in the discharge chamber, such that said discharge chamber is not subjected to the pressure in the casing of the hydraulic device.

Abstract: An electroanalytical method for predicting the oxidability of a wine or a grape must is disclosed. This example includes recording an electrochemical signal of a sample of the wine or grape must; comparing an electrochemical signature of the electrochemical signal obtained in a) with reference curves of voltammograms obtained from wines or grape musts with known oxidability; and predicting the oxidability of the sample tested based on the comparison. Markers for predicting the oxidability of a wine or a grape must and the use of electrochemistry for predicting the oxidability of a wine or a grape must are also disclosed. A method for predicting the optimal total oxygen supply for storing a wine or a grape must in a container; a method for wine maturation and/or ageing and; a method for selecting an optimal closure for storing a wine or a grape must in a container are also disclosed.