Abstract: An electromagnetic induction pump includes a tubular internal inductor having internal combs and internal coils between teeth of the internal combs. The inside of the internal inductor forms a cavity. An internal tube is positioned around the internal inductor. A pumping canal allows circulation of a fluid. The canal is between the internal tube and external tube. A tubular external inductor is positioned around the external tube and includes external combs and external coils positioned between teeth of the external combs. An electromagnetic pump includes a movement device for moving the internal combs, and varies the radial clearance between the internal combs and internal tube, having a first part positioned inside the internal inductor and in connection with the internal combs to move them radially, and a second part extending at least partially outside of the internal inductor and connected to the first part to control the first part.

Abstract: An electromagnetic induction pump includes a tubular internal inductor comprising a plurality of internal combs and of internal coils positioned between the teeth of the internal combs, the inside of the internal inductor forming a cavity; an internal tube positioned around the internal inductor; a pumping canal allowing the circulation of a fluid that is to be pumped, an external tube, the canal being between the internal tube and the external tube; a tubular external inductor positioned around the external tube and comprising a plurality of external combs and of external coils positioned between the teeth of the external combs; the electromagnetic pump further comprising a movement device for moving the internal combs, and able to vary the radial clearance between the internal combs and the internal tube and comprising a first part positioned inside the internal inductor and in connection with the internal combs so as to be able to move them radially, and a second part extending at least partially outside o

Abstract: This invention relates to a system for regulating a liquid in a circuit, with the system comprising: a plug valve comprising at least one inlet and one outlet, the plug comprising an internal passage through which is intended to pass the liquid flowing from the inlet to the outlet of the valve when the valve is open at least partially, an expansion reservoir in communication with the liquid flowing in the circuit and intended to contain liquid and a compensating gas, characterized in that the plug comprises at least partially an expansion channel which has at least one lateral opening located on a lateral face of the plug and which is conformed to provide a permanent communication between said lateral opening and the expansion reservoir, the valve being conformed in such a way that: at least when the valve is closed: the lateral opening is in direct communication with the liquid coming from the inlet or from the outlet of the valve, when the valve is open at least partially, the lateral opening cooperates wit

Abstract: This invention relates to a system for regulating a liquid in a circuit able to reverse the direction of the circulation, with the system comprising: a regulating valve comprising at least one inlet and one outlet and comprising a movable obturator the position of which makes it possible to adjust the flow rate of the liquid through the valve, an expansion reservoir in communication with the liquid flowing in the circuit and intended to contain liquid and a compensating gas, characterized in that: the expansion reservoir is connected to the circuit by the intermediary of the valve and in such a way that the expansion reservoir communicates with at least one from among the inlet and the outlet of the valve regardless of the position of the obturator, with the position of the obturator being independent of the pressure of the fluid in the expansion reservoir. The invention also relates to a circuit integrating this system as well as a use of this system.

Abstract: The present invention relates to an articulated arm (100) comprising at least three articulations mounted in series in order to allow movements on at least two rotation axes by articulation, characterized in that each articulation (1) comprises a first (2) and second (3) support and at least three linear actuators (10), each linear actuator (10) having a first and second end articulated respectively on the first (2) and second (3) supports by means of a swivel connection (41, 42, 43, 44) and in that it comprises a deformable fluidtight sheath (200) enveloping at least a plurality of articulations and having a volume enabling it, in any circumstance, to follow the movements imparted by the articulated arm.

Abstract: Disclosed is a hexapod system including first and second supports and six linear actuators. Each linear actuator has an articulated end on the first and second supports, with a swivel connection with a force-absorbing structure embedded in the first support and a swivel connection to linear actuators articulated on the first support, and one of the first and second supports includes a connector that cooperates with the force-absorbing structure. The connector cooperates with a second force-absorbing structure of a second hexapod system, and the two hexapod systems mount in series.

Abstract: This invention relates to a system for regulating a liquid in a circuit, with the system comprising: a plug valve comprising at least one inlet and one outlet, the plug comprising an internal passage through which is intended to pass the liquid flowing from the inlet to the outlet of the valve when the valve is open at least partially, an expansion reservoir in communication with the liquid flowing in the circuit and intended to contain liquid and a compensating gas, characterised in that the plug comprises at least partially an expansion channel which has at least one lateral opening located on a lateral face of the plug and which is conformed to provide a permanent communication between said lateral opening and the expansion reservoir, the valve being conformed in such a way that: at least when the valve is closed: the lateral opening is in direct communication with the liquid coming from the inlet or from the outlet of the valve, when the valve is open at least partially, the lateral opening cooperates wit

Abstract: This invention relates to a system for regulating a liquid in a circuit able to reverse the direction of the circulation, with the system comprising: a regulating valve comprising at least one inlet and one outlet and comprising a movable obturator the position of which makes it possible to adjust the flow rate of the liquid through the valve, an expansion reservoir in communication with the liquid flowing in the circuit and intended to contain liquid and a compensating gas, characterised in that: the expansion reservoir is connected to the circuit by the intermediary of the valve and in such a way that the expansion reservoir communicates with at least one from among the inlet and the outlet of the valve regardless of the position of the obturator, with the position of the obturator being independent of the pressure of the fluid in the expansion reservoir. The invention also relates to a circuit integrating this system as well as a use of this system.

Abstract: The present invention relates to a hexapod system (1) comprising a first (2) and second (3) support and six linear actuators (10a, 10b, 10c, 10d, 10e, 10f), each linear actuator having two ends articulated respectively on the first (2) and second (3) supports by means of a swivel connection (41, 42, 43, 44), characterised in that it comprises: a force-absorbing structure (50) on one hand embedded on the first support (2) and on another hand coupled to the second support (3) by a swivel connection (51, 52), the centre of rotation (60) of which is situated in the thickness of the second support (3). The invention also relates to an inspection and/or repair robot characterised in that it comprises a polyarticulated arm equipped with a plurality of hexapod systems (1) according to the invention and in which the hexapod systems (1) are disposed in series.

Abstract: A hydraulic receiver for clutch control having a fixed part including an internal guide tube and a concentric external body defining a blind annular cavity supplied with fluid. A piston carrying a drive element for engaging a declutching device is mounted inside the blind annular cavity.

Abstract: A device wherein the cylinder (10) comprises a cylinder body (17) wherein a piston (20) slides, and comprising an intermediate element (91) housed in the cylinder body rear part (26), for axial positioning of at least an inner sealing joint (94) co-operating with the side wall (37) of the piston (20, 36), and which is axially maintained in the rear part (26) by a cylindrical annular rear sleeve (50) mounted in the rear part (26, 56) and sealingly fixed therein by bonding or welding, in particular ultrasonic welding. The intermediate element (91) is a tubular element forming joint-holder(s) (94, 96, 120) in the inner peripheral wall (93) of which is formed at least an inner joint housing (100, 106) open radially inwards towards the side wall (37) of the piston (20, 36).

Abstract: The invention concerns an arrangement (10) for fixing a tubular shift cylinder (12), between two mounting and locking positions in a motor vehicle body, comprising means for blocking the cylinder (12) in axial translation including, from the front rearwards, a transverse surface of the cylinder (12), axial elastic means, a body wall (20), pierced with an orifice (18), and a transverse eye mounting (34) of the cylinder (12) passing through a cutout (40) of the orifice (18) and enabling to immobilise the cylinder (12) axially when a rotation of the cylinder (12) locks it by squeezing the wall (20) between the support surface, the axial elastic means and the eye mounting (34).

Abstract: The invention concerns a device comprising a shift cylinder with a cylinder body (17) bearing a first sleeve (54) for guiding a second sleeve (42) enclosing an axially mobile piston (21) with an intervening piston seal between the second sleeve (42) and the piston (21) and a secondary seal (59) between the body (17) and the second sleeve (42) penetrating into the hydraulic chamber. The invention is applicable to motor vehicles.

Abstract: A receiver comprises an external body (5) having a thrust face (166) and a centring surface (167), and a concentric internal tube (6) with a flange (61) in contact with the thrust face (166), the centring surface (167) being part of a portion (153) of increased thickness which has a shoulder (195) formed by deformation so as to trap and grip, between the latter and the thrust face (166), an intermediate member (95) and the outer periphery of the flange (61).

Abstract: Hydraulic clutch control, having a clutch release fork (25), a control member (8) capable of acting in traction on the clutch release fork (25), a hydraulic receiver (1) having a fixed cylinder (2) mounted on a counter-support (5) and a piston (4) engaged so as to slide sealingly in the cylinder (2) and defining therein a chamber (6). The control member (8) enters inside the piston (4) of tubular shape like the cylinder (2). This member is mounted in an articulated manner on the fork (25) and on the back end of the piston.

Abstract: The fluid-pressure ram, for controlling a clutch release bearing for an automobile clutch, has two variable-volume control chambers which follow each other axially and comprise a primary chamber which is fed with pressurized fluid and which is axially delimited sealingly, to the front by a fixed base and to the rear by a movable wall integral with a shell, and a secondary chamber which is axially delimited sealingly, to the front by the movable wall and to the rear by the piston, the movements of the fluidtight movable wall bringing about a decantation of a fluid contained in an intermediate chamber to the secondary chamber, and vice versa, the said shell separating the intermediate chamber from the secondary chamber.