Abstract: A piston ring has an annular body including an inner circumferential surface, an outer circumferential surface and first and second side surfaces connecting the inner circumferential surface and the outer circumferential surface, and a joint section. The joint section includes a first protrusion portion, a first reception portion, a second protrusion portion, a second reception portion, a first male portion, a first female portion, a second male portion and a second female portion. The first male portion includes a first mating surface and a first contact surface located adjacent the first mating surface and including either an inclined surface or a curved surface. The second male portion includes a second mating surface and a second contact surface located adjacent the second mating surface including either an inclined surface or a curved surface.

Abstract: In the shaft sealing device according to one embodiment, a seal ring includes a machine-interior-side seal ring member, and a machine-exterior-side seal ring member. A ring gap is left between the machine-interior-side seal ring member and the machine-exterior-side seal ring member. A seal gap is left between an inner peripheral surface of the machine-interior-side seal ring member and an outer peripheral surface of the rotary shaft and between an inner peripheral surface of the machine-exterior-side seal ring member and the outer peripheral surface of the rotary shaft. The inner peripheral surface of the machine-interior-side seal ring member is a flat surface that generally follows along the outer peripheral surface of the rotary shaft, and a groove extending along a direction of rotation of the rotary shaft is formed in the inner peripheral surface of the machine-exterior-side seal ring member.

Abstract: A radial shaft seal has an elastomeric sealing lip with an inner side facing a shaft to be sealed. The sealing lip has a first circumferential ring arranged at the inner side and resting against the shaft to seal a medium side from an air side. Return conveying elements are arranged circumferentially about the sealing lip at the inner side and at a side of the first circumferential ring facing the air side. They return leakage medium, independent of a rotational direction of the shaft, to the medium side. A second circumferential ring at the inner side is positioned at a side of the return conveying elements facing the air side. The first circumferential ring is an elevation with depressions, also formed as elevations, distributed circumferentially thereabout. The depressions extend toward the second circumferential ring and are positioned, respectively, between two of the return conveying elements neighboring each other.

Abstract: A mechanical seal has a first sealing ring with sliding surface contacting a second sealing ring to form a sealing gap. An elastically deformable membrane is connected to the first sealing ring at a connecting location and covers an end face of the first sealing ring. The membrane has a side that is facing a medium space to be sealed and is loaded by pressure in the medium space. The membrane has a cone section adjoining the connecting location. The cone section, in an unloaded state, has an axial spacing to the end face of the first sealing ring such that the cone section by elastic deformation contacts more or less, as a function of the pressure in the medium space, the end face of the first sealing ring so that a ratio between a gap-opening force and a gap-closing force is adjusted at the sealing gap.

Abstract: The invention relates to an mechanical seal arrangement, comprising a rotating slide ring (2) and a stationary slide ring (3) which define a sealing gap (4) in between them; a bellows unit (5) with a bellows element (50), a bellows support (51), and a slide ring support (52); wherein the bellows element (50) is connected in a fluid-tight manner to the bellows support (51) and the slide ring support (52); wherein the bellows unit (5) has a side that faces towards the product (7) and an atmospheric side (8); wherein the side of the bellows unit (5) that faces towards the product (7) has a non-stick coating (6); wherein the bellows element (50) is a metal bellows; and wherein the slide ring that is inserted into the slide ring support (52) of the bellows unit (5) is inserted loosely.

Abstract: The fluid-cushion sealing device (100) for a piston (101) moving in a cylinder (102) and defining with the latter a chamber to be sealed (104) includes: a continuous perforated ring (105) through the radial thickness of which passes a calibrated opening (111) and which is sealingly accommodated in a ring groove (109) provided in the piston (101) so as to define, with said groove (109), a pressure distribution chamber (119) connected to a pressurized fluid source (112), while an axially blind counter-pressure recess (115) is provided recessed on an external cylindrical ring surface (107) which faces the cylinder (102) and which the continuous perforated ring (105) comprises, the calibrated opening (111) leading into said recess (115).

Abstract: A closed-loop control valve module for closed-loop controlling a fluid flow is described, which comprises an electrical valve actuator motor, wherein a valve spindle comprising a frustoconical sealing section is displaceable by means of the valve actuator motor along a valve spindle axis and the frustoconical sealing section, depending on the position of the valve spindle, releases or separates off a flow channel connecting a fluid inlet and a fluid outlet. A pressure compensation channel is provided which, at least in the closed state of the closed-loop control valve module, connects an end of the valve spindle opposite the valve actuator motor to a pressure compensation area or the fluid inlet in terms of flow.

Abstract: A water valve and a pool are provided. The water valve includes a valve body having a first channel; and a valve plate having a valve plate opening and configured to control opening or closing of the first channel by sliding; when the valve plate is in a first position, the valve plate opening is aligned with the first channel and water can flow through the first channel, the water valve is opened; when the valve plate is in a second position, the first channel is blocked by the valve plate, the water valve is closed. The pool includes a water inlet part connected with a pool wall and the water valve detachably connected with the water inlet part. The water valve is simple in operation, has good sealing performance and switch function of the water valve and disinfection function of the chemical dispenser, thereby improving the water valve's performance.

Abstract: An igniter 40 activated blocking device 10 blocks a fluid line 4 adapted to carry fluid. The blocking device 10 has a housing 30 disposed about the fluid line, a piston 20 housed in the housing, and an igniter 40 that when activated propels the piston 20 to block the fluid line 4. The igniter 40 generates a shock wave to move the piston 20 to block the line. The piston 20 crushes or squeezes a portion of the line 4 to close the line.

Abstract: In a flow control valve which comprises a valve seat comprising an inner cylindrical part with a contact surface formed in its upper end part and an outer cylindrical part higher than the inner cylindrical member and a valve body that carries out an opening and closing action in a direction perpendicular to the contact surface of the valve seat, an inner cylindrical member and an outer cylindrical member, which are separate members, are airtightly fitted with each other to constitute the inner cylindrical part and the outer cylindrical part. As a result, by processing the contact surface of the inner cylindrical part to be smooth, the flow control valve can control flow rate of gas in a small flow rate range more accurately than before. It is preferable that arithmetic average roughness of the contact surface of the valve seat is 100 nanometers or less.

Abstract: Provided are a three-way valve for flow rate control and a temperature control device using the three-way valve for flow rate control. The three-way valve for flow rate control is capable of controlling a mixture ratio between two kinds of fluids with higher accuracy, as compared to a three-way valve including an inflow port which allows inflow of a high-temperature heat-medium circulating liquid, an inflow port which allows inflow of a low-temperature heat-medium circulating liquid, an outflow port which allows outflow of a constant-temperature heat-medium circulating liquid, and a control valve configured to control the flow rate ratio between the high-temperature heat-medium circulating liquid and the low-temperature heat-medium circulating liquid.

Abstract: A water management system is provided. The system includes a manifold with ports adapted to connect the manifold to piping that connects to various water fixtures in a home or building. Each port has a flow sensor and an actuated valve configured to shut off flow to a fixture in the event of a leak in order to mitigate damage from the leak. Water flow occurring due to a leak may be detected and mitigated based on input provided by the flow sensor and a motion sensor, a button switch, or a timer switch.

Abstract: A thermostatic cartridge assembly for a by-pass valve that regulates fluid flow between two different fluid circuits includes a casing defining a first fluid port and a second port; a thermostatic body having a piston movable along a central axis of the thermostatic body in response to heating and expansion of the thermally responsive material; a cap joined to a second end of the casing; a biasing member urging an end of the piston against a roof of the casing; and a sleeve carried by the thermostatic body, the sleeve having a circumferential side wall and a ceiling that seat against surfaces of the casing to block the first fluid port when the thermally responsive material is at a first temperature, the circumferential side wall blocking the second fluid port when the thermally responsive material is at a second temperature greater than the first temperature.

Abstract: A diaphragm non-return valve for a compressed air system is provided herein. The diaphragm non-return valve comprises a housing, a purge output formed on the housing, a valve seat formed on the purge output, and a diaphragm disc which is attached to the housing and which lies on the valve seat in the closed state of the non-return valve and is lifted off the valve seat in the open state of the non-return valve. The diaphragm disc is attached to the housing by a clamping bracket, and the clamping bracket has holding component via which the clamping bracket is attached to the outlet-side end of the purge output.

Abstract: In at least some implementations, an assembly includes a float having a void with an inlet leading into the void in a first direction, and at least one retention surface that is not parallel to the first direction and a hinge received at least partially within the void. The hinge has at least one retention feature that cooperates with the at least one retention feature of the float to inhibit removal of the hinge from the float in a second direction opposite to the first direction, and the hinge is formed from a polymeric material. In at least some implementations, the hinge has a melting point similar to or lower than the melting point of the material of the float, and the hinge is formed separately from and is pressed into the void in the float.

Abstract: A fluid flow path of a joining block includes a vertical flow path and a horizontal flow path. The joining block is constrained on a rail member so as to be capable of moving in a longitudinal direction. A fluid control device is supported by the rail member via the joining block and includes a screw hole, and a tightening bolt that has passed through a body of the fluid control device is screwed into the screw hole. A gasket between the joining block and the body is compressed between the body and the joining block by a tightening force of the tightening bolt. The screw hole includes the tip portion closed above the horizontal flow path and at least partially overlaps the horizontal flow path in a planar view.

Abstract: An engine air valve assembly for a gas turbine engine includes a butterfly valve having a translation shaft and a fueldraulic actuator including a piston. The piston is mechanically linked to the translation shaft by an axial to rotational conversion linkage. A regulating valve housing contains the butterfly valve and the fueldraulic actuator. The regulating valve housing includes an actuator housing portion and a valve housing portion joined via a joint section. The regulating valve housing is a single integral piece.

Abstract: A valve includes a cover that is transparent and configured to allow a valve orientation to be visible through the valve cover. The cover may couple to existing mounting bolts of the valve operator housing such that the cover may be retrofitted onto existing valves. The cover may be sized and shaped to prevent water, or other weather, ingress into the valve operator housing.

Abstract: A servo valve comprising first and second nozzles and first and second piezoelectric actuators arranged to control fluid flow through the first and second nozzles respectively. A first fluid flow path is defined between the first nozzle and the first piezoelectric actuator and a second fluid flow path is defined between the second nozzle and the second piezoelectric actuator. The first and second piezoelectric actuators are arranged such that applying a voltage to the first and second piezoelectric actuators causes a change in dimension thereof, which acts to open or restrict said first and second fluid flow paths respectively.

Abstract: A valve comprising an electrodynamic actuator having a magnet arrangement to generate a magnetic field and a drive element movable relative to the magnet arrangement. The drive element is pivotally mounted and comprises a current-carrying air coil disposed in the magnetic field, and which is fixedly coupled to a coil carrier of a non-magnetic material. Sealing surfaces of sealing valve seats are arranged on two opposite sides of the drive element. The drive element is elongated, and wherein a direction of longitudinal expansion of the drive element extends substantially along a longitudinal expansion of the coil.

Abstract: A valve assembly includes an inlet; an outlet; a valve seat between the inlet and the outlet; a valve member which moves between a first valve member position and a second valve member position; and a solenoid subassembly which allows the valve member to move between the first valve member position and the second valve member position. The solenoid subassembly includes a coil having a coil first end and a coil second end; an armature which reciprocates, based on polarity of an electrical current applied to the coil, between a first armature position which allows the valve member to move to the first valve member position and a second armature position which allows the valve member to move to the second valve member position; a first magnet which latches the armature in the first armature position; and a second magnet which latches the armature in the second armature position.

Abstract: A fluid valve has a valve plug configured as follows. In order to control a flow rate of a fluid between a first pressure chamber and a second pressure chamber, the valve plug is provided so as to be openable and closable in accordance with a difference between forces generated by pressures in the pressure chambers and resilience of an elastic member. The fluid valve includes an opening motion promoting portion. The opening motion promoting portion promotes an increase in degree of opening of the valve plug after the valve plug has been opened.

Abstract: A valve actuator for moving a valve element includes an actuator body, an opening piston, a closing piston, a first lost-motion link, and a second lost-motion link. The actuator body has an inner surface, a vent opening, a full-open pneumatic passageway, and a full-closed pneumatic passageway. The opening piston is movably disposed within the piston chamber between the vent opening and the full-open pneumatic passageway. The closing piston is movably disposed within the piston chamber between vent opening and the full-closed pneumatic passageway. The first lost-motion link is coupled to the opening piston and is operable to selectively rotate the valve element. The second lost-motion link is coupled to the closing piston and is operable to selectively rotate the valve element.

Abstract: A system includes an actuator housing having a plurality of adapter lugs extending radially inward toward an axis, each adapter lug of the plurality of adapter lugs secured to the housing via a respective connector. The system also includes a bonnet having a plurality of bonnet lugs extending radially outward away from the axis, each bonnet lug of the plurality of bonnet lugs being separated by a respective space, the space being sized to permit axial movement of an adapter lug of the plurality of adapter lugs toward a lower flange arranged axially lower than the plurality of bonnet lugs.

Abstract: A hose bib handle replacement comprises a handle portion and an adapter. The adapter has a wall defining an open interior sized to receive a portion of a hose bib. The handle portion is attached or attachable to the top surface of the adapter and has a radial dimension larger than the adapter. The adapter comprises a clamping mechanism adapted to clamp onto the portion of the hose bib in the interior, wherein the clamping mechanism can clamp onto different size and shape portions of the hose bib. In one version, the clamping mechanism comprises a plurality of set screws and wherein the set screws have a length where they can clamp different size and shape portions of the hose bib and when clamped do not extend outwardly beyond the wall of the adapter more than about 0.25 inches.

Abstract: A hydrant includes an operating stem defining a threaded distal end extending from the hydrant; an operating nut defining a first end facing the hydrant, an opposed second end, and a central bore defined in the operating nut and extending from the first end to the second end, the operating nut positioned on the operating stem such that a portion of the stem is positioned in the central bore and the threaded distal end of the stem extends beyond the second end of the operating nut; and a nut comprising a frustoconical portion configured to be rotatably secured to the distal end of the stem.

Abstract: A valve module with a wireless energy-transfer unit is described, which comprises at least one energy-transmitting unit and at least one energy-receiving unit. The energy-receiving unit is arranged on a valve piston wherein, on a valve spindle wherein, on a valve actuator housing wherein, a valve housing or on a valve-closing element.

Abstract: Disclosed is a method for determining the degree of wear of a valve, the degree of wear of the valve being dependent on the degree of wear of an operating element that is made of an expandable material and performs a mechanical movement each time the temperature changes, the change in temperature resulting in wear, the operating element made of an expandable material being mechanically connected to a piston; the movements of the operating element (3) made of an expandable material are calculated by initially sensing the change in temperature on the operating element (3), whereupon the changes in temperature are recalculated as movements on the basis of the temperature/expansion curve applicable to the operating element (3) made of an expandable material.

Abstract: A cooling device includes: a first port into which coolant flows; a first passage connected to the first port and extending to a periphery of a tip portion of an injection valve; a second port provided above the first port, through which the coolant flows out; a second passage connected to the first passage and extending from the periphery of the tip portion and connected to the second port; and a movable member configured to move in response to a flow of the coolant within a height between the first port and the second port to communicate the first passage and the second passage with each other when a flow rate of the coolant is lower than a predetermined flow rate and to disconnect the first passage and the second passage from each other when the flow rate of the coolant is higher than the predetermined flow rate.

Abstract: A system and method for moving an elongate element from a first position towards a second position against an upright structure on a vessel are disclosed. The system includes a holding element for holding the elongate element in the first position; a first sliding member pivotally connected to an end region of the holding element, and moveable along a base, ground or deck surface; a further sliding member pivotally connected to a further end region of the holding element, and moveable along the upright structure; and a hoist system operably engaged with the upright structure, the end region of the holding element and the further end region of the holding element, for drawing the holding element towards the upright structure such that the elongate element is moved towards the second position, wherein the hoist system comprises a first portion and a further portion, the first portion arranged to exert a force in a first direction and the further portion arranged to exert a force in a further direction.

Abstract: A pipe restraint, system, and method for securing a pipeline, of which the pipe restraint includes an anchor configured to be secured to the ground, a first gripping member configured to grip a first pipe, a second gripping member configured to grip a second pipe that is connected to the first pipe, and one or more arms connected to the anchor and the first and second gripping members. The one or more arms are configured to constrain movement of the first gripping member, the second gripping member, or both with respect to the anchor.

Abstract: A mounting arrangement 10 for mounting one or more additional elongate members such as pipes 12 on a larger existing elongate member such as a larger pipe 14. The arrangement 10 includes a base member 16 mountable on the outside of the larger pipe 14, and can be held thereon by a strap 96 engaging with ratchet arrangements on the arrangement 10. A guide member 82 with a generally n shaped configuration which may include an insert member 88, guides the smaller pipe or pipes 12.

Abstract: A firestop collar for sealing of openings, especially of line penetrations, that pass-through walls or ceilings, has a frame and a block of optionally intumescent material disposed therein, and is characterized in that an intumescent inlay is disposed between the block and the frame.

Abstract: A press seal (1) with an elastomer body (2) includes a press body (9,10) which can be pressed against the elastomer body (2) by tightening a clamping bolt (4) and as a result, the elastomer body (2) is sealed on a line. The pressing body (9, 10) includes a display element (11) which can be visible in a display range (18) when a clamping state of the elastomer body (2) is reached. The pressing body (9, 10) includes a first (13) and a second press body part (14) movably mounted with respect to each other in an axial direction (3) parallel to the longitudinal axis (7) of the clamping bolt (4) such that when the elastomer body (2) is in the clamped state, it adopts a relative position modified with respect to the non-clamped initial state, which can be read on the display element (11).

Abstract: A hose which automatically expands longitudinally and automatically expands laterally upon the application of a pressurized liquid is disclosed. The hose can automatically expand longitudinally up to six times its unexpanded or contracted length. Upon release of the pressurized liquid within the hose, the hose will automatically contract to a contracted condition. The hose includes an inner tube made from an elastic material and an outer tube made from a non-elastic material. The inner tube is positioned concentrically within the outer tube in both a contracted condition and an expanded condition. The outer tube is secured to the inner tube only at a first end of the inner and outer tubes and at a second end of the inner and outer tubes. The outer tube moves laterally and longitudinally with respect to the inner tube when the tubes are transitioning between a contracted condition and an expanded condition.

Abstract: The present invention relates to a flexible hose line with a wall, wherein the wall has integrated sensor material which has a material property that varies with an operating parameter of the hose line to be ascertained.

Abstract: A dual containment fitting may include a primary tubing, a secondary tubing, and a dual containment body. The secondary tubing may surround and be concentric with a first portion of the primary tubing forming a first leak containment space between the primary tubing and the secondary tubing. The dual containment body may include a flare fitting portion and a primary containment nut portion. The flare fitting portion may surround and be concentric with the primary tubing forming a second leak containment space between the primary tubing and the flare fitting portion. The primary containment nut portion may surround and be concentric with the flared end of the primary tubing forming a third leak containment space between the primary tubing and the primary containment nut portion. The primary containment nut portion may include at least one leak passage hole connecting the third leak containment space with the second leak containment space.

Abstract: A corner fitting includes a sleeve body having a hollow inner space and configured to coaxially fit over a pipe member of a predetermined size. An edge of the sleeve body at a second distal end has a corner cut portion, a protruding tab, and two recesses, the protruding tab being diametrically opposed to the corner cut portion in the radial direction of the sleeve body, and the recesses being diametrically opposed to each other in the radial direction of the sleeve body. The corner cut portion is configured and shaped such that the sleeve body fits together with an identical sleeve body on the pipe member of the predetermined size with the corner cut portions of the two sleeve bodies contacting each other and with the pipe being nested between the protruding tabs of the second distal ends of the two sleeve bodies.

Abstract: A sealing ring has a circular ring with a circular outer edge and a circular inner edge. The circular ring further has a first curved surface and a second curved surface between the circular outer edge and the circular inner edge. The circular outer edge, the first curved surface and the second curved surface have curved cross-sectional shapes. The circular ring further has a circular recess on the circular inner edge. The circular ring also has a circular protrusion on the circular recess respectively adjacent to the first curved surface and the second curved surface.

Abstract: A connection device, in particular for the realization of a rotary connection for a connection component (71, 89), with a housing (1), which comprises a connection point (7) for a fluid conveying conduit, such as a pneumatic line, and a bearing arrangement (31), by means of which an axial or shaft-type connecting part (24) is mounted so as to be rotatable relative to the housing (1), said connecting part comprising an additional connection point (27) for the connection component (71, 89), is characterized in that the bearing arrangement (31) comprises at least one rolling bearing (35), which is in contact with the housing (1) via the outside of its outer race (55) and with the rotatable connecting part (24) via the outside of its inner race (49).

Abstract: An apparatus comprising a sleeve. The sleeve has an outer surface and a flange extending from the outer surface. The flange has a first surface for engaging an edge of first flexible hose and a second surface for engaging a union. The first surface of the flange has a radial length substantially equal to a thickness of the edge of the first flexible hose. The sleeve counteracts a deflection of the first flexible hose and the second flexible hose into a flow path created through the first flexible hose and the second flexible hose when the first flexible hose and the second flexible hose are coupled together using the union, the sleeve, and a pair of fittings.

Abstract: A hybrid fitting for connecting to pipe end and having a metal base; a connection body for supporting the end of the pipe, the connection body being formed separate from the base body and being made from a plastic material, wherein the connection body has a axial end; the base body comprises an opening for accommodating the axial end; the axial end of the connection body being insertable into the opening such that a form-fitted connection to the base body is formed; a locking element is slid over the connection body to engage with the base body such that the locking element is mechanically locked in an axial direction with respect to the base body; and in the locked state the locking element engages with the inserted connection body such that the inserted connection body is mechanically locked in the axial direction with respect to the base body.

Abstract: An apparatus comprising a sleeve that comprises a tubular portion, a receiving portion, and a coupling portion. The tubular portion has an outer diameter that is substantially equal to an inner diameter of a flexible hose such that the tubular portion is capable of being inserted within the flexible hose. The receiving portion extends outward from the tubular portion to thereby define a channel between the receiving portion and the tubular portion for receiving an end portion of a flexible hose. The coupling portion is for coupling the sleeve, and thereby, the flexible hose, to a component.

Abstract: A probe seal for a female hydraulic coupling member has both internal and external pressure-energized seals. The outer wall or opposing ends of the seal have one or more pressure-energized seals for sealing between the body of the probe seal and the body of a coupling member in which the probe seal is installed. Annular, L-shaped, T-shaped or angled grooves in the inner wall of the seal form cavities and sealing projections that can be urged in an inward, radial direction by fluid pressure within an associated cavity to increase the sealing effectiveness between the body of the seal and the probe of a male hydraulic coupling member inserted in the receiving chamber of the female coupling member.

Abstract: Couplings are disclosed herein. A plug of a coupling includes a plug body and a socket interface coupled to the plug body. The socket interface includes a shoulder extending axially outward from the plug body, a neck extending axially outward and radially inward from the shoulder, and a socket guide extending axially outward and radially outward from the neck.

Abstract: A cast body for a pipe fitting includes a first body end and a second body end disposed opposite from the first body end. The body defines an axis extending from the first body end to the second body end, an inner body surface defining a fitting bore that extends through the body, and an outer body surface spaced from the inner body surface at a predetermined wall thickness. At a first location on the axis, the inner body surface is a first distance and the outer body surface is a third distance from the axis, and at a second location on the axis that is proximate to the first body end, the inner body surface is a second distance from the axis that is greater than the first distance and the outer body surface is a fourth distance from the axis that is less than the third distance.

Abstract: A pipe joining system and pipe joint are shown m which two sections of molecularly oriented pipe are joined using heat shrinking techniques. A first section of pipe is provided having a straight, pre-formed socket with an internal diameter and with an end opening having enough clearance to allow a mating spigot section having a given external diameter to be inserted into the socket end opening. After the spigot end is inserted to a given depth, the socket is heated sufficiently so that the internal diameter of the socket end comes into contact with the external diameter of the spigot end, the molecularly oriented pipe being in a rubbery state and exhibiting a low elastic modulus which allows the socket end to conform tightly to the spigot end external diameter without deforming the spigot end.

Abstract: The present invention provides a piping system (1) at least comprising a main pipeline (2) and a side branch pipeline (3), wherein the side branch pipeline (3) meets the main pipeline (2) at a junction (4), wherein the side branch pipeline (3) is provided with a perforated plate (5) having a plurality of perforations (6), wherein the perforated plate (5) has a downstream half (5B) and an upstream half (5A) (relative to the flow direction in the main pipeline (2)), wherein the downstream half (5B) has less open area than the upstream half (5A), and wherein the perforated plate (5) is provided with a protrusion (8), at the side of the perforated plate (5) facing away from the junction (4).

Abstract: The present invention is directed to a gladhand connector having multiple ports and an integrated filter. The connector has a base that includes an air hose connector clamp on a first surface, and a first access port extending from the first surface toward a second surface, and a second access port on a bottom surface. The access ports are in fluid communication with an intermediate conduit configured to direct air received from an air hose through the housing. The connector also comprises a receptacle adjacent the first access port and in fluid communication with one of the access ports. The receptacle is configured to receive a pressure sensitive, removable and replaceable filter assembly that is configured to filter debris. The filter assembly is displaceable by air pressure of received air. The connector further comprises a mounting bracket configured to be attached to a vehicle.

Abstract: A device for preventing refrigerant leaks in air conditioning system service ports includes a coupler to be coupled to the service port. A main body has a longitudinal direction and is disposed adjacent the coupler in the longitudinal direction. A stem is movable inside the main body in the longitudinal direction. A sealing element is disposed adjacent the stem. A head which is fastened to the main body has an internal thread, and a handle has a shaft with an external thread to be screwed into the internal thread of the head. The shaft has a free end remote from the handle for contacting the stem and pushing the sealing element adjacent the stem against an end of the service port upon turning the handle.