Abstract: The invention relates to a quick coupling for the detachable connection of two pipes through which a pressurized fluid flows, the quick coupling made up of a male element and a female element. The male element includes a male cylindrical body defining a cavity, a valve movable axially within the cavity, and a first sealing gasket. The female element includes a female cylindrical body defining a cavity, a slide valve movable axially within the cavity, a second sealing gasket, and a peripheral groove that houses either the first or second sealing gasket. A proximal or distal edge of the peripheral groove extends between two planes that are perpendicular to a longitudinal axis of the male or female element, respectively between a proximal plane and a distal plane, which are offset relative to one another along the longitudinal axis.

Abstract: A fluid coupling element includes a body having a rear chamber and an intermediate chamber, a main valve movable to close a main passage between the rear and intermediate chambers, a forward valve movable to close a front orifice of the inner pipe under the action of a first spring, and a safety valve movable to close a secondary passage through the main valve between the rear and intermediate chambers. During coupling with a complementary coupling element, the forward valve moves a plunger that opens the safety valve before the main valve is opened. The coupling element includes a second spring, pushing the plunger back toward a forward position in which the main valve and the safety valve are closed, and the plunger abuts against the main valve or against the safety valve.

Abstract: A coupler (R) female element (4) able to be coupled with a male element (2) for the removable fluid junction of two pipes. The female element body (20) centered on a first longitudinal central axis (X20) with an inner volume (V20) for receiving the male element. Additionally, the female element has a central plunger (44) longitudinally secured to the body and positioned within the inner volume, with a slide valve (46) movable within the inner volume around the central plunger between a forward closing position, in which the slide valve (46) cooperates tightly with the body (20) and the central plunger (44), and a withdrawn open position. The female element body (20) including an outer flange ring (22) positioned around the inner volume and having an outer radial surface. The outer flange ring has at least two passages (32), each passage being arranged through the outer flange ring and linking the outer radial surface and the inner volume.

Abstract: This fluid coupling (R) comprises a female element (A) and a male element (B) able to be inserted into the female element, the female element comprising a main body (2) that defines a main inner channel (24), a plunger (64) and a slide valve (10), movable longitudinally in the main inner channel around the plunger between a closed configuration and an open configuration of the main inner channel. The male element comprises a complementary body (30) defining a complementary inner channel (302) and a valve (304) movable in the complementary inner channel between a closed off position and a separated position. In an uncoupled configuration of the fluid coupling, the slide valve is in the closed configuration and cooperates radially tightly with the main body and the valve is in the closed position. In a coupled configuration of the fluid coupling, the valve is pushed back in the separated position by the plunger and the complementary body cooperates with the slide valve.

Abstract: A coupling element for connecting a fluid line includes a locking pin movable in translation between a first position in which it emerges from a support surface and a second position in which it is retracted relative to the support surface. The coupling element further includes a return member for returning the pin to its first position, and an unlocking ring rotatable about a longitudinal axis and surrounding the tubular body of the coupling element. The unlocking ring is mechanically coupled to the pin by means of a ball and a helical groove for guiding the ball in order to transform the rotation of the unlocking ring into a translational movement of the pin from its first position towards its second position.

Abstract: This socket element (1) for a quick connector, for joining two fluid pipes (C1, C2), comprises a socket body (2) that is able to receive a plug element inserted along a rear direction (D2), a pushing ring (40), which is mounted translatably inside the socket body, an elastic return element (78) for the pushing ring, and a primary sealing gasket (64) housed in a housing (59) of the socket element and able to cooperate with the plug element inserted into the socket body. According to the invention, the socket element (1) further comprises a slide-ring (42) arranged around the pushing ring (40) and forming a bottom and a front wall (56) of the housing (59), the pushing ring forms a rear wall (57) of the housing (59), and the pushing ring (40) being translatable relative to the slide-ring (42).

Abstract: The invention relates to a fluid coupling having coupling elements, each coupling element respectively having: a body, a main valve, movable to open and close a main passage through the body, a safety valve, movable to open and close a secondary passage through the main valve, and a plunger for moving the safety valve. To reduce leaks and reduce the pairing force, the fluid coupling is configured so that, during a pairing of the coupling elements, a sealing gasket cooperates with the body before the safety valves of the two coupling elements are moved toward their open position, and at least one of the plungers pushes its main valve back toward its open position, once the associated safety valve is in the open position.

Abstract: A coupler (R) female element (4) able to be coupled with a male element (2) for the removable fluid junction of two pipes. The female element body (20) centered on a first longitudinal central axis (X20) with an inner volume (V20) for receiving the male element. Additionally, the female element has a central plunger (44) longitudinally secured to the body and positioned within the inner volume, with a slide valve (46) movable within the inner volume around the central plunger between a forward closing position, in which the slide valve (46) cooperates tightly with the body (20) and the central plunger (44), and a withdrawn open position.

Abstract: A female fluid connection element (5), configured to be coupled with a male element (4). A female body (21), which has an insertion channel (27) of the male element (4); locking elements (31) movable between positions; and a maneuvering ring (71) with an inner sleeve (75) for driving the locking element (31) to their proximal position. In order to have a small bulk and to offer particularly easy and reliable locking and unlocking, the female element (5) has a return plunger (33), returning the locking elements (31) toward their distal position, and a resilient member (43), exerting a return force to bring the return plunger (33) back toward a forward position. By being moved toward its withdrawn position, the maneuvering ring (71) drives the return plunger (33) toward a rear position, such that it does not exert a return force on the locking elements (31).

Abstract: This fluidic coupling (R) comprises a male element (A) comprising a male body (2), a valve (20) and a spring (24) pushing the valve (20) back toward its closed position, and a female element (B) having a sealing gasket (35), a piston (38), a slide valve (34) mounted around the piston (38) between a closed position, in which the sealing gasket (35) cooperates with the slide valve (34) and the slide valve (34) cooperates sealably with the piston (38), and a retracted open position. In a coupling phase, the male body (2) pushes the slide valve (34) back toward its open position and the piston (38) pushes the valve (20) back toward its open position. The piston (38) is mounted with the possibility of movement between a rear position and a forward position. The female element (B) comprises a lever (42) for converting the movement of the slide valve (34) into movement of the piston (38).

Abstract: The invention relates to a female quick coupling element (200) comprising a hollow female body (204) defining a central axis (X200), locking members (208), each locking member being radially movable inside a corresponding radial opening (204.1) of the female body between a locked position and an unlocked position, at least one memory element (206), movable along a movement axis (D206) between a distal position, in which it opposes the movement of a locking member from the unlocked position to the locked position, and a proximal position, and a locking ring (218), which is axially movable between a forward position, in which it keeps the locking members in the locked position, and a withdrawn position. Each memory element (206) is received in a housing defined in the thickness of the body.

Abstract: A fluid coupling element has a body, a valve with a peripheral groove receiving a sealing gasket, a member for resiliently returning the valve, and a skirt positioned inside the body and movable between a first position axially freed relative to the gasket and a second position radially covering the gasket. The element has at least one hitching member axially secured to the skirt and radially movable between a first radial position for axially securing the skirt and the body and for relative axial movement of the valve relative to the skirt, and a second position for axially securing the skirt and the valve and for relative axial movement of the skirt and the body, in a configuration where the skirt covers the gasket.

Abstract: This fluid coupling (R) element (200) comprises a body (202) for receiving a complementary end-piece (100), this body being centered on a longitudinal axis (X2) and defining a fluid circulation channel (204) within the body on the one hand, and a sealing chamber (208) in which a sealing gasket able to cooperate with the end-piece (100) inserted in the body (202) is housed, on the other hand. The sealing chamber is defined by an outer radial wall (2082) and a rear wall (2088).

Abstract: A fluid female coupling element (11), comprising a female body (21), able to receive a male coupling element (2), a bolt (41), mounted sliding transversely between a holding position and a releasing position of the male coupling element and a plunger (51), movable between forward and rear positions. To automatically oppose the removal of the male element fitted within it, even if the male element has a reduced length, the female coupling element (11) comprises a memory ring (61), movable between an advanced position for holding the bolt (41) in the releasing position and a withdrawn position allowing the movement of the bolt (41) toward its holding position, the plunger (51) driving the memory ring (61) toward the withdrawn position when the plunger moves toward the rear position and the memory ring being in the advanced position in the uncoupled position.

Abstract: The invention relates to a quick coupling (R) for the detachable connection of two pipes (C1, C2) through which a pressurized fluid flows, made up of a male element (100) and a female element (200).

Abstract: The invention relates to a quick coupling, made up of a male element and a female element. The male element comprises a cylindrical male body, defining a longitudinal cavity and a distal mouth and a valve (108) movable axially inside the cavity, between a forward position in which it closes off the mouth and a withdrawn position in which it does not close off the mouth. The female element comprises a cylindrical female body, defining a longitudinal cavity and a distal mouth, a push-piece (208), and a slide valve.

Abstract: This coupling (R) comprises a male element (A) with a stepped outer groove (20), a female element (B) with locking balls (7), a locking ring (9) provided with a front inner notch and a rear inner notch axially separated by an inner rim, a spring that pushes the locking ring (9) back into the forward position, and a valve movable in the female element (B) and pushed by a spring (14) back to the closed position. The male element (A) comprises a valve movable in an inner channel (200) of the male element (A) and a spring (48) that pushes the valve of the male element (A) back toward a closed position of the inner channel (200).

Abstract: The invention relates to a fluid coupling, comprising coupling elements (1, 101), respectively comprising: a body (5, 105), a main valve (20, 120), movable to open and close a main passage (30, 130) through the body, a safety valve (50, 150), movable to open and close a secondary passage (40, 140) through the main valve, and a plunger (70, 170) for moving the safety valve. To reduce leaks and reduce the pairing force, the fluid coupling is configured so that, during a pairing of the coupling elements: a sealing gasket cooperates with the body before the safety valves of the two coupling elements are moved toward their open position, and at least one of the plungers pushes its main valve back toward its open position, once the associated safety valve is in the open position.

Abstract: This coupling (R) includes a male element (A) including a male body (2) provided with a locking relief (22), a purging ring (4) movable between a rear position, in which the purging ring closes off a purging passage of the male body, and a forward position, and a female element (B) including a female body (12, 14), a ball-retainer (23) carrying locking balls (18) of the male body, in a housing between a first position, in which they are able to oppose the removal of the locking relief, and a second position, in which the locking balls allow the removal of the locking relief, a valve body (25) secured to the ball-retainer, including coupling balls (27) suitable for securing the valve body and the female body in translation, an inner ring (29) suitable, in a retaining position, for keeping the valve body and the female body coupled by the coupling balls when the female element is uncoupled from the male element.

Abstract: A fluid coupling element includes: a body comprising a rear chamber and an intermediate chamber; a main valve movable to close a main passage between the rear and intermediate chambers; a forward valve movable to close a front orifice of the inner pipe under the action of a first spring a safety valve movable to close a secondary passage through the main valve between the rear and intermediate chambers. During coupling with a complementary coupling element, the forward valve moves a plunger that opens the safety valve before the main valve is opened. The coupling element includes a second spring, pushing the plunger back toward a forward position in which the main valve and the safety valve are closed, and the plunger abuts forwardly against the main valve or against the safety valve.