Abstract: A hose supporting spool device includes a spool rotatably secured to a support device for winding a hose, a shaft secured to the support device and having a passage, a block formed on the shaft and having a peripheral slot and one or more grooves communicating the peripheral slot of the block with the passage of the shaft. A housing is rotatably engaged onto the block and the shaft and has a mouth coupled to a water reservoir. Two gaskets are engaged on the sides of the block and have curved recesses for receiving the curved outer portions of the block.

Abstract: The present invention relates to a multi-swivel connector for a fluid operated power tool. The connector has a post with an axis, a swivel member having an axis perpendicular to the axis of the post, a mechanism for limiting rotation of the swivel member about said post axis to an arc less than 360 degrees, and a fitting member mounted to the swivel member. The fitting member is tiltable about the axis of the swivel member through at least a 90 degree arc and rotatable with the swivel member about the axis of the post.

Abstract: A swivel apparatus for the transfer of at least one pressurized process fluid, comprising a central stem (2) on which there are placed a number of ring elements (3-6) comprising at least one outlet ring (3) having a number of outlets (10) communicating through an annulus (14) with an associated course (12 resp. 13) in the stem (2), and a number of supporting rings (5, 6) which are stationarily arranged on the stem (2). Between the stem (2) and the outlet ring (3) there is arranged a distance ring (4) which is stationary relative to the stem, and on each side of the outlet ring there is arranged a supporting ring (5 resp. 6) which is stationary relative to the stem and which is axially supported both by the distance ring (4) and an axial bearing (17) arranged at a radial distance therefrom between the supporting ring (5 resp. 6) and the outlet ring (3). A dynamic sealing means (21) between the outlet ring (3) and each supporting ring (5 resp.

Abstract: A multi-channel rotary joint including a first joint structural member rotatably linked to a second joint structural member. Sealing regions defined and formed by mechanical seals that are lined up concentrically around relative rotational axis are provided between opposing peripheral surfaces in a relative rotational axial direction of the first and second joint structural members. A plurality of channels passing independently through the sealing regions (except for the sealing region which is used as a drain region) are provided for the first and second joint structural members, and an electrical wire insertion path is provided so as to pass through the inner peripheral region of a mechanical seal that has the smallest diameter. A drain path that opens into the drain region is provided for the joint structural member.

Abstract: A port block, which is provided with an outlet port with a first end communicating with a fluid supply passage and with a second end communicating with the outside, is movably carried on a guide rail which is provided with an opening for making communication between the outside and the fluid supply passage formed in the longitudinal direction. A seal belt, which is engaged with an opening of the guide rail, is curved downwardly at the inside of the port block by the aid of an inner port cover which is arranged at the inside of the guide rail and an outer port cover which is arranged at the outside of the guide rail.

Abstract: A piping structure of a working machine, which prevents the piping at a coupling portion where a pair of members are swingably coupled together via a shaft, from being damaged. The piping structure comprises a swivel joint which is a rotary joint for fluid and is disposed, on the outer side in the radial direction of a shaft of a coupling portion where a pair of members are swingably coupled together via said shaft, so as to swing on axis of swinging motion as a center of rotation.

Abstract: The present invention relates to a rotary joint for alternating passage of a lubricating medium and a non-lubricating medium from a stationary (3) to a rotating machine part (1), having a first seal (7) in the form of two flat, substantially circular ring-shaped sliding sealing surfaces (4, 6) arranged so as to slide one on the other, which sealing surfaces (4, 6) are substantially concentric relative to the axis of rotation (10) of the rotating machine part (1) and may be moved at least far enough from one another, in the axial direction, that they do not come into contact with each other during rotation of the rotating machine part (1).

Abstract: A rotating union for transferring a material stream, and especially a bearing damaging material stream, includes, a generally cylindrical body and an annular sleeve that is annularly spaced from the body and rotatably coupled thereto via a pair of axially-spaced bearings. The body and the sleeve are formed with ports and interconnecting passages for carrying the material stream and these ports and passages communicate with each other via a material transfer interface that is sealed by at least one dynamic seal assembly. Finely lapped material is used to improve the quality of the dynamic seal faces, and the seal faces are uniformly spring loaded. This, along with the axial spacing of the bearings, helps to minimize seal face misalignment and consequent leakage. In the event that material leakage does occur, the rotating union further includes a leakage collection area filled with a barrier fluid. The leakage collection area may encompass the bearings or it may be separate therefrom.

Abstract: A device for supplying a consumer displaceable alongside a compressed air line (1) with compressed air. The compressed air line (1) presents a lateral slit (2) through which a hollow flexible tube (10, 10A), which is joined to the consumer, protrudes into the compressed air line (1) and the slit (2) is sealed off from the surroundings by an elastic sealing tape (3, 3A) which in the area of the flexible tube (10, 10A) is deformed by same to avoid pressure losses to the surroundings. The flexible tube (10, 10A) opens into a pipe section (11) which can be displaced inside the compressed air line (1) and its ends are sealed in relation to the walls of the compressed air line (1), and the distance between the seals (12, 13) is greater than the area of the sealing tape (3, 3A) deformed by the flexible tube (10, 10A).

Abstract: A solenoid valve is mounted in the bore of a ferromagnetic journal. Mounting the solenoid valve in the journal conserves space on the firewall of a vehicle where the solenoid is typically located. Journal mounting also minimizes the length of the air line necessary to supply air to the solenoid valve. Use of a ferromagnetic journal as part of the magnetic circuit allows full use of the journal bore for the components of the solenoid valve. A leak vent path is provided as well as a principal vent path in the flux flanges of the solenoid valve. The solenoid valve controls the flow of air through a seal which engages a rotating coupling of a clutch which operates a fan.

Abstract: A fuel storage and distribution system for heavy and medium duty trucks which include dual fuel tanks (24, 26). An electric transfer pump (22) transfers fluid from the tank with the greatest volume to the tank with the lowest volume. Fuel level sensors (18, 20) measure the fluid levels in the fuel tanks (24, 26) and provide inputs to the electric transfer pump (22). Fuel may be transferred in either direction between the two fuel tanks.

Abstract: A piping structure of a working machine, which prevents the piping at a coupling portion where a pair of members are swingable coupled together via a shaft, from being damaged.

Abstract: A multi-channel rotary joint including a first joint structural member rotatably linked to a second joint structural member. Sealing regions defined and formed by mechanical seals that are lined up concentrically around relative rotational axis are provided between opposing peripheral surfaces in a relative rotational axial direction of the first and second joint structural members. A plurality of channels passing independently through the sealing regions (except for the sealing region which is used as a drain region) are provided for the first and second joint structural members, and an electrical wire insertion path is provided so as to pass through the inner peripheral region of a mechanical seal that has the smallest diameter. A drain path that opens into the drain region is provided for the joint structural member.

Abstract: A rotary union for delivery of a coolant fluid to a spindle of a metal working machine comprises a housing having a cylindrical bore containing bearings for journaling a tubular shaft therein wherein the improvement resides in the provision of a floating bushing seal as the high-pressure seal. The floating bushing seal assembly includes a seal housing containing a plurality of longitudinally disposed bushing rings that have a low clearance fit with respect to the tubular shaft of the rotary union.

Abstract: A dual seal system for retrofitting existing vapor deposition apparatus for starter tubes has a first tubular member which surrounds the chemical vapor delivery tube and forms a channel therewith for passage of starter tube gases to a stationary seal coupling member which, in turn, is connected to monitoring apparatus. A second tubular member surrounds the first tubular member and forms a passage therewith extending from behind a seal assembly in the starter tube to a bore in the coupling member connected to a buffer gas supply. The second tubular member also forms a third passageway with the interior wall of the arbor driving the starter tube and is held spaced therefrom by a perforated support member. The third passageway extends from a region behind the sealing system to a sealed buffer chamber in the coupling member, which is connected to a low pressure of vacuum source and to a pressure monitoring member.

Abstract: A raft inflation valve has an elongated valve body with first and second ends, and a center bore. A cylindrical member has first and second ends slidably mounted in the center bore. A spring urges the cylindrical member towards the first end of the valve body. An arm is pivotally secured to the first end of the valve body to engage the first end of the cylinder member, and to move the cylinder member towards the second end of the valve body. A cutting element is on the second end of the cylinder member. A pressure gas filled vessel is secured to the second end of the valve body and has a gas discharge port. A seal member is on the gas discharge port of the vessel and is punctured by the cutting element when the arm moves the cylinder member towards the second end of the valve body. A space is in the center bore around the second end of the cylinder member. An annular groove is on the outside of the valve body in communication with the space.

Abstract: A rotating union has a plurality of fin members spaced about and extending radially outwardly from the rotor to provide an air circulation between the rotor and the bearing assembly to cool the bearing assembly. Additionally, the rotor may include a circumferential annual recess in the rotor outer wall which is enclosed by an annular sealing member to provide an air pocket or gap which insulates the bearing assembly from the hot fluid flowing through the rotating unions.

Abstract: A rotary fluid coupler includes a first fluid conduit, a second fluid conduit in fluid communication with the first fluid conduit and rotatable relative to the first fluid conduit, and a first fluid conduit/second fluid conduit seal at a joint between the first fluid conduit and the second fluid conduit. A return fluid conduit has an inlet end that receives fluid leaked through the first fluid conduit/second fluid conduit seal, and a return/joint seal that seals against leakage from the return fluid conduit to an external environment. A fluid-pressure biasing source is in communication with the return fluid conduit to move fluid away from the inlet end through the return fluid conduit, and back to a fluid source.

Abstract: The outlet hose from the lagoon pump is telescopically connected to the waste injector inlet tube such that the outlet hose is free to rotate and maintain itself in a straight condition by the fluid pressure in the outlet hose during use. A tow swivel is provided which allows the tractor and waste injector to pull the outlet hose back and forth across the field without interfering with the free rotation of the outlet hose relative to the inlet tube.

Abstract: The present invention relates to a hose rolling system for a hose, in particular the hose of a hand shower, through which gaseous or liquid media can be transported, comprising: a hose winding device (1) comprising a hose drum (3) rotatably mounted on an axle (11), a medium supply means (13) arranged at least partially in said axle (11) and comprising an entrance opening (15) and an exit opening (17), connecting means (19) serving to connect said medium supply means (13) with the hose, locking means (21, 23) for locking said hose drum (3) in particular circumferential areas thereof, and spring means (90) impacting said hose drum (3) in the winding direction of the hose and driving said hose drum (3) in winding direction after releasing the locking means, wherein a sealing means (59) is provided which allows for the flow of medium over a particular circumferential area of said axle (11) only and co-operates with said locking means (21, 23) such that the flow of medium is effected only in the area of locking by

Abstract: Device for suction and collection of the exhaust gases of a vehicle, comprising a slotted suction duct, at least one carriage which is mobile along guide rails, with which there is integral one end of a flexible tube, by means of which the exhaust gases are sucked from the exhaust pipe of the vehicle; which device is characterised in that there are associated with the drive device of the carriage selective means for locking the drive wheel onto a shaft which is rotated by the drive device, and in that in all the operating steps, the drive wheel is always in purely rolling contact with the relative track.

Abstract: In a device (1) for supplying a pressurized medium from a fixed component (2) into a rotating component (3) with a radially aligned sealing gap (11) provided between the components and in which the fixed component (2) comprises two rings (12, 13), the ring (13) delimiting the sealing gap (11) being held in an axially movable arrangement and with at least one control pressure chamber (35) provided between the two rings (12, 13), the movable ring (13) has an intermediate pressure chamber (31) on its end surface (16) facing the sealing gap (11) with this intermediate pressure chamber (31) being permanently connected to the control pressure chamber (35) by means of ducts (36, 37) worked into the axially movable ring (13).This embodiment allows the width of the radial sealing gap (11) to be set automatically, thereby practically precluding metal-on-metal friction between the components (2, 3) in the area of the radial sealing gap whilst only small leakage oil losses have to be accepted.

Abstract: A multi-swivel connector for connecting a fluid-operated tool to a fluid source has a post having an axis, a swivel unit having an axis extending perpendicular to the axis of the post, at least one fluid line entering the post at one end of the post and exiting on the a swivel unit at another end of the post, a fitting unit connected to the a swivel unit and having at least one second fluid line which extends from the at least one fluid line through the fitting outwardly to be connected with a hose or the like extending from the fluid source, so that when the fluid enters the a fitting unit it is fed to the one end of the post to operate the fluid-operated tool, and the a fitting unit are turnable around the axis of the post and tiltable around the axis of the a swivel unit.

Abstract: The present invention relates to a device for transferring a fluid from a stationary (20) to a rotating machine part (3) by means of a rotary joint (1), which optionally comprises flat radial, conical or cylindrical transition surfaces, wherein an at least partially tubular connecting rod (2) rotating with the rotating machine part (3) is provided thereon for the purpose of conveying the fluid, which rod (2) extends into the area of the rotary joint (1) and which is axially displaceable with respect to the rotary joint (1).

Abstract: According to a first embodiment, an apparatus for shielding a movable articulated structure such as robot arm to be protected from a hard working environment comprises one or more shielding sections forming with the outer surface of the robot arm a cavity which is filled with pressurized air. Adjacent portions of the shielding sections are coupled through a rotary joint allowing escape of the pressurized air out of the cavity while maintaining within the cavity a positive pressure relative to the ambient environment pressure which is sufficient to substantially prevent contamination of the robot arm from the working environment. According to a second embodiment, the apparatus comprises a shielding cover comprised of one or more cover sections forming with the outer surface of the robot arm a cavity which is filled with pressurized air.

Abstract: A high pressure rotary union characterized by easy field maintenance and optimal simplified design. This design ensures high-speed operation without any significant loss of water pressure at pressures of about 4000 p.s.i. Vents are provided through which fluid bypassing the main seal exits the housing, providing an indication of loss of main seal. A secondary seal is provided to protect the bearing(s) from fluid.

Abstract: A rotating connector comprising a swivel device (5, 6) having a number of fluid courses (16) for interconnecting a buoy (1) and a pipe system on a floating vessel for production of hydrocarbons, wherein the swivel device comprises a female member (5) and a male member (6) which may be introduced axially into or withdrawn from each other, the female member (5) being permanently fixed to a bottom-anchored centre member of the buoy. One of the fluid courses is arranged for transferring liquefied natural gas (LNG) between the vessel and the transfer line (13) through the buoy, and for this purpose is thermally and physically separated from the other courses.

Abstract: The accommodation unit described carries on its underside a circular array of wheels which rest on a circular rail. Mounted on the platform are three separate room units. Each room unit has a generally circular wall and the circumferences of the walls of the three rooms intersect one another to provide a common space between the rooms to allow access to the rooms and to accommodate a central hollow service pillar which is coaxial with the rotary axis of the platform.

Abstract: A swiveling fluid connector includes a flexible fluid conduit connected to a check valve mounted for rotation. The flexible fluid conduit is connected between the check valve and a stationary fluid conduit. The check valve is mounted for rotating considerably with respect to the stationary fluid conduit. The flexible fluid conduit flexes to allow for rotation of the check valve relative to the stationary fluid conduit, and maintains leak-tight communication between the check valve and the stationary fluid conduit. The check valve extends through an aperture in a plate mounted in a gas services unit. Flanges on opposite ends of the check valve cooperate with the opposite surfaces of the plate to retain the check valve in the aperture, yet allow rotation of the check valve. The rotation of the check valve is limited to an acceptable range by the cooperation between protrusions and stops. The protrusions are connected to and travel with the check valve.

Abstract: A multi-purpose pneumatic tool combining the functions of an air blow gun, an air regulator, a tire chuck and a swivel connector includes a casing, a control body and a bolt assembly. The control body is provided with respective holes and connectors for screwably locking an air blow gun, a control body, a tire chuck and a control button. A bolt assembly couples the casing to the control body such that the control body and the casing may rotate freely with the bolt assembly as a pivotal center. The air blow gun may also perform free rotation along another axis. The multi-purpose pneumatic tool may also assembly to other tool to widen its applications.

Abstract: A rotary valve of a multi-circuit type consists of an outer valve body with a cylindrical hole therethrough and an inner valve body rotatably inserted into the cylindrical hole of the outer valve body. The outer valve body is at a plurality of heights provided with outer fluid lines extending through the wall of the outer valve body to the cylindrical hole, and with fittings on its outer surface that connect to the outer fluid lines. The inner valve body has on its outer periphery annular passages made fluid-tight and communicated with respective outer fluid lines of the outer valve body when the inner valve body is inserted into the outer valve body. The inner valve body further has inner fluid lines that communicate one of the annular passages with a respective one of the fittings mounted around the flange of the inner valve body. To one or the other of the fittings on the outer and inner valve bodies are connected pipeways on the fluid inlet side or pipeways on the fluid outlet side.

Abstract: A balanced rotary manifold is disclosed which is capable of carrying a plurality of control signals from a control housing to an outlet port on a rotatable structure. These control signals can then be appropriately transmitted to further devices which are mounted to the rotatable structure. The rotatable manifold structure is balanced in that all outlet ports are closely positioned and symmetric with regard to some desired reference point. Therefore, uniform lengths of connecting cable can be utilized to transmit the control signals to the actuating devices.

Abstract: A rotary fluid transmission between a pair of moving machine parts has frustoconical contact surfaces which are relatively rotatable and juxtaposed with one another and formed with openings or channels which communicate with one another. The contact between them can be direct or via sealing members for the openings or channels. The contact surfaces are provided so that they can axially separate at higher speeds and can contact each other at slower speeds or when the relative rotation terminates.

Abstract: The instant invention is an improvement to the hub connections of a hose cart by providing a syringe type hub attachment which allows for and maintenance of water seals without tools. In addition, hub design allows for the placement of a crank for rotating of the hose reel flange in either a left hand or right position with the water coupling portion exchangeable by quick release of the syringe type hub attachment.

Abstract: A fluid swivel arrangement comprising a vertical stack of fluid swivels mounted on a turret of a weathervaning ship, enables a spare fluid swivel to be provided without requiring an additional pipe and consequent larger diameter of fluid swivels. A pair of fluid swivels (53, 54) are provided, with one serving as a spare to be used in the event of failure of the other. A single pipe (94) extends through holes (120) in the swivels and is coupled to the inlet ports (90, 92) of both swivels, so it can direct fluid into either one. A means for controlling flow, enables the flow to be switched to either fluid swivel. The means for controlling flow can include a plug (140) for insertion into the inlet port of one of the swivels, to block the inflow of fluid thereat. The means for controlling flow can also include a valve (130) lying along the pipe between the upper and lower fluid swivels, so when the valve is closed fluid flows only to the lower fluid swivel.

Abstract: The objective of the present invention is to provide a portable hose cart assembly capable of stacking, yet having circular hose reel end flanges. The portable hose cart assembly utilizes a supporting frame structure constructed and arranged to be nested on top of a similar supporting frame structure. The supporting frame structure is also constructed and arranged such that a similar supporting frame structure can be nested on top of the supporting frame structure. A hose reel structure for receiving and supporting a length of hose is rotatably mounted within the supporting frame structure. Circular end flanges are fixed to the ends of the hose reel structure. A handle structure movable between a stacking position and an operating position is connected to the supporting frame structure. The handle structure has a locking mechanism such that the handle structure may be secured in the operating position.

Abstract: A hose reel assembly for taking up and feeding out a hose. The assembly includes a non-rotatable shaft having opposite ends, a reel for storing the hose rotatable on the shaft and a hub mounted on the shaft at one side of the reel between the reel and one end of the shaft so that the hub may be slidably applied to and removed from the shaft independent of the reel. The assembly further includes a coupling on the hub for connecting the hub and the hose. The shaft and the hub include passaging for supplying fluid to the hose. A seal is provided between the shaft and the hub adjacent to the passaging for preventing fluid leakage. The hub is releasably connected to the reel for conjoint rotation of the hub and the reel on the shaft and is disconnectable from the reel so that the hub may be removed from one end of the shaft to permit replacement of the seal without removing the reel from the shaft.

Abstract: A vented slip joint assembly includes a first shaft with a first end having an externally splined portion. A second internally splined shaft is drivably connected at a first end to the first shaft. A seal sealingly engages the first shaft and the first end of the second shaft. A vent is provided in the first shaft to provide fluid communication to the second end of the first shaft.

Abstract: A portable hose cart apparatus for windably holding a flexible hose and for transporting thereof. The cart includes a pair of vertical side frames shaped in the form of flanking arms each having a hub bearing surface. The frame provides a base structure for steel components that are secured by use of rotatable frame fasteners. The steel is encompassed by a seamless plastic sleeve that shrinks to the steel through a heating process. Distal ends of the steel are bound by use of a wedge shaped locking block which frictionally secures the steel tubes to forward and upper support members. A spool assembly is positioned between the frame sides forming a hose support surface therebetween, the frame sides having a shape to minimize plastic material yet maximize support when the cart is being transported.

Abstract: A chuck-actuating spindle assembly has a hollow shaft extending along and rotatable about an axis, a clamping bar parallel to and rotatable with the shaft and axially displaceable relative to the shaft to clamp and release an object carried on the shaft, and a rotary union for transmitting a fluid to the object carried on the shaft. The union has in turn a union housing nonrotatable about the axis, an annular bar seal face on the clamping bar, and a sealing member axially movable in the union housing independently of the bar face, forming a pressurizable space with the union housing, and having an annular member seal face axially confronting and axially engageable with the bar seal face. The seal faces form a portion of a passage extending from the space along the bar and shaft to the object. Rotation of the sealing member about the axis relative to the union housing is inhibited and the member is braced against the union housing axially away from the bar seal face with a predetermined biasing force.

Abstract: A pump for distributing water at an extremely high-pressure to several appliances. Every appliance can connect and disconnect independently and has associated with it a device that diverts the water trapped in it when it disconnects. The object is to minimize wear in the water-diversion device. The device accommodates a constricted section in the form of an annular space that the water trapped in the appliance can escape through. Such pumps are employed for cleaning a wide range of articles.

Abstract: A personal hygiene fixture is provided as a retrofit unit designed to mount directly onto a toilet tank inlet, being interposed in the fresh water supply line where it attaches to the tank. The appliance has a diversion valve which diverts water from the supply line to a tube leading to an irrigation nozzle mounted to the underside of the toilet seat. The knob controlling the irrigation is part of the valve, and is thus rigidly mounted to the tank fill valve so that it is easy to install and operate. A second diversion valve with a flexible line leading to a douche wand can also be incorporated in the valve unit to provide a dual-function hygiene appliance.

Abstract: The wall mount hose cart of the instant invention is of a shape and design allowing preassembly thereby eliminating the need for instruction manuals and associated product packaging necessary of wall mount hose reels that are sold in an unassembled state. The wall mount hose reel employs a single unitary frame for support of a flexible garden hose to be wound into a coil of multiple layers by use of a directional stress relieving hose reel spool. Reel flanges are oblong shaped for holding of the hose within the form spool yet providing the nesting ability for assembled carte. A handle is foldable for storage with locks concealed within the base of the handle and a syringe type hub attachment is further disclosed for removal and maintenance of the water seals without tools. Hub attachments are interchangeable allowing the crank to be attached to either side of the apparatus allowing left or right hand operation.

Abstract: An inner body 3 of a single lever faucet contains channels 29 for cold and hot water, and carries a mixing valve 11 with an operating lever 1. The inner body fits within a casing 2, and is equipped with a quick coupling 16 on the discharge nozzle side. Attachment members 4, 5, 6 for mounting the inner body of an armature connection unit 7 in a building wall 23 are designed for flexible connection in a rotational direction, and are removable in an axial direction. The resulting single-point armature can be economically manufactured and mounted quickly without problems in the construction trade.

Abstract: A lightweight blowout preventer having a low profile is disclosed. Each of the rams have a sealing ring to be positioned thereabout to seal leaks from occurring between its bonnet and the ram body, thereby permitting the use of only about four connecting bolts for each side of the bonnet to the body and torqued for ordinary holding. A hinge plate is provided to allow selection of the side of the body for two associated bonnets. The hinge plate also is a manifold for the passageways for the hydraulic fluid to the fluid hinges. The hinges each includes a telescopic balancing sub with only one side spring for applying balanced pressure with the applied closing or opening hydraulic fluid to the hinge regardless of whether opening or closing hydraulic pressure is applied. The hydraulic passageways in the bonnets are located between the guideway extensions and the outside surfaces of the bonnets. The hinge plate and the bonnets can be inverted so that they can be mounted on either of two sides of the body.

Abstract: A device for transferring a medium to a servo device has a first component and a second component positioned in the first component so as to be rotatable about an axis of rotation. The first component is displaceable to a limited extent relative to the second component along the axis of rotation. An annular chamber is located between the first and second components and is delimited axially on one side by the first component and on the other side by the second component. First and second radial sealing gaps are provided on opposite sides of the annular chamber. The annular chamber has a circumferential sidewall that is slanted relative to the axis of rotation such that a first surface of the first component forming the circumferential sidewall of the annular chamber and a second surface of the first component forming the radially extending annular surface of the annular chamber are positioned at an acute angle to one another.

Abstract: A distributor device for compressed air and/or other fluid. The distributor device possesses a distributor housing with a distributor space opening at a longitudinal slot. Adjacent to the longitudinal slot two mutually opposite sealing bars are provided. On the rear side of each such sealing bar there is a secondary pressure space provided in addition to the distributor space and which is arranged to be acted upon by pressure fluid in order to thrust the sealing bar against each other in a sealing fashion. It is in this manner that a reliable sealing action is provided independently of any residual plastic deformation of the material of the sealing bars.

Abstract: A rotary union includes a housing which encases a rotor having a first sealing surface and a stator having a second sealing surface. The sealing surfaces are biased against each other due to a load exerted by a biasing member. An inlet chamber is in communication with the fluid being transposed by the union and operates to urge the stator against the rotor due to the pressurized fluid in the chamber reacting against the stator. The stator and the housing define a reaction chamber. Pressurized fluid supplied to the reaction chamber operates to urge the stator away from the rotor thus enabling the disengagement of the sealing surfaces.

Abstract: The present invention relates to a rotary passage for passing liquids and/or other media between a rotary member (1) and a stationary member (2). The rotary passage according to the invention is characterized in that the rotary member (1) and the stationary member (2) comprise hollow-cylindrical sections (59, 10, 16) respectively lamellarly interlaced in pairs, with two rotary passage stages being formed in that sliding surfaces (3, 3', 4, 4') have provided thereon a plurality of horizontal annular channels (6, 11) which extend in parallel with each other and which respectively interconnect feed lines (7,1 2) of the rotary member (1) to discharge lines (8, 13) of the stationary member (2), and that all of the annular channels (6, 11) of the two rotary passage stages have each assigned thereto upper and lower insulation means (14, 15) on the sliding surface (3, 4).

Abstract: The objective of the present invention is to provide a portable hose cart assembly capable of stacking, yet having circular hose reel end flanges. The portable hose cart assembly utilizes a supporting frame structure constructed and arranged to be nested on top of a similar supporting frame structure. The supporting frame structure is also constructed and arranged such that a similar supporting frame structure can be nested on top of the supporting frame structure. A hose reel structure for receiving and supporting a length of hose is rotatably mounted within the supporting frame structure. Circular end flanges are fixed to the ends of the hose reel structure. A handle structure movable between a stacking position and an operating position is connected to the supporting frame structure. The handle structure has a locking mechanism such that the handle structure may be secured in the operating position.