Abstract: A headgear device is described which includes a plurality of flexible straps for easy adjustment and adaptation to support various devices worn on the head. In one embodiment the headgear can be adapted to be connected to a positive pressure ventilation system.

Abstract: The present invention is a device and a method of performing endotracheal intubation. In a preferred embodiment of the invention, the intubation device comprises an endotracheal tube having a forward open end, a rearward open end, and an inner bore there between. The endotracheal tube is provided with a fitting for inserting longitudinally within the rearward end and an adaptor for connecting to a respirator or other ventilating apparatus. A stylet is telescopingly positioned within the inner bore and extends outwardly from the forward open end and includes a longitudinally extending soft and flexible guide portion. The stylet is adapted to move outwardly from the forward open end of the endotracheal tube such that during insertion of the endotracheal tube into the trachea of the patient the guide portion is positioned within the trachea and operates to direct the endotracheal tube within the trachea.

Abstract: A tracheostomy device has a short tube (10, 10?, 10?) terminating adjacent the internal end of an opening (4) into the trachea (2). A flange (13) secures the external end of the tube and a retainer (14, 45, 59, 61) secures the internal end of the tube against the surface of the trachea (2). The device also includes a seal (3, 60), which engages the surface of the trachea (2) above the opening, and a suction passage (34) extending externally by which secretions can be removed.

Abstract: A system for ultrasonically placing and monitoring an endotracheal tube within a patient. The system includes an endotracheal tube having a proximal and a distal end and a ventilation lumen disposed there through. A vibration mechanism is coupled to the endotracheal tube. One ultrasonic transducer is located outside the patient's body. An ultrasonic imaging apparatus is coupled to the ultrasonic transducer for digitalizing the endotracheal tube within the body.

Abstract: The present invention provides an apparatus and a method for stabilizing at least one medical device such as a tracheal or gastric tube entering or covering at least one facial cavity such as the mouth and/or nose, taking advantage of a stabilization stent to secure to a patient's face the tracheal or gastric tube without the need to apply tape to the face, while maintaining visibility of tube markings, preventing kinking of the tube, and keeping the infant's face visible to parents and caregivers. In one form, the invention comprises a transverse stent comprising a superior border opposed to an inferior border, an inner surface and an outer surface. A first facial interface is attached to a first terminal end of the transverse stent, and positioned to adhesively adhere and mechanically clasp to a first side of a patient's face. A second facial interface is attached to a second terminal end of the transverse stent and positioned to adhesively adhere and mechanically clasp to a second side of a patient's face.

Abstract: Disclosed is a medical effector system containing a bar code reader to identify equipment and accessories to be used in combination with the medical effector system. The barcode reader is adapted to read the packaging of a respiratory cannula, a drug delivery cassette assembly, a drug vial or package of a drug vial and other medical equipment. The medical effector system further includes a memory to associate predetermined characteristics with the bar codes read by the bar code reader.

Abstract: Disclosed is a drug-delivery cassette for use with a drug delivery device. The cassette includes a main board and a luer site base portion connected to the main board for positioning a luer on the main board. A drip chamber is included on the main board to collect any drug that exits the luer when the luer is attached to the luer site portion. A deflectable sensor beam is positioned to detect the presence or absence of a luer in the luer site base portion. The drug-delivery cassette further includes a drug vial spike attachable to and detachable from the cassette main board that is connected to the luer by way of a drug delivery tube.

Abstract: A medical effector system comprised of a bedside unit and a procedure unit. The bedside unit contains a series of connection points for receiving inputs from a series of patient monitors. The procedure unit contains a patient monitoring and medical effector program, and a drug delivery pump or magnetic flux generator capable of delivering therapeutic energy to a patient. The medical effector system contains the capability to issue and receive a request from a non-sedated patient, issue and receive a request from a sedated patient and then to calculate a time difference. The medical effector program operates the pump or magnetic flux generator based upon at least some of the patient outputs and program inputs including a calculated time difference. A removable umbilical cable connects the two units and allows the output of the patient monitors as well as other information to travel between the two units.

Abstract: An apparatus and method for use in the percutaneous placement of a medical device, such as a tracheostomy tube. An elongated hollow tube has an inflatable dilator balloon mounted thereon. The balloon comprises a distal portion, an intermediate portion and a proximal portion. The medical device is carried on the intermediate portion. At least a segment of the distal portion has an inflated outer diameter that is at least as large as the outer diameter of the medical device. The inflated outer diameter of the intermediate portion is sized relative to an internal diameter of the medical device to hold the medical device thereon. An inflation assembly is provided to enable the balloon to be selectively inflated and deflated. A body opening is dilated with the inflated dilator balloon, and the medical device may be percutaneously placed across the dilated opening. Following placement of the device, the dilator balloon may be deflated and withdrawn from the apparatus through a lumen of the medical device.

Abstract: A surgical draping system (2), separates the sterile surgical field from the unsterile surgical table and isolates the patient so that sterile surgical procedures can be performed without chance of contamination. The components of the surgical draping system are provided folded and in sterile condition inside a sealed bag container. The sealed bag (4), is placed acres an operating table (8), prior to placement of the patient. Once the patient has been positioned on the operating table (8), the bag (4), is opened and the surgical drape (10), is extended. The draping system may include coverings for legs or arms and a top drape. The draping system isolates the operating field in a simple and sterile manner and can be discarded at the termination of the procedure.

Abstract: A system and apparatus for protecting the face of a user while allowing for adjustment of the size of the protected area are described. A protective face shield includes a substantially flat, at least partially transparent, waterproof sheet material of a shape configured to extend over the face of a user, where the sheet material includes a portion configured to assist in the modification of the size of the sheet material. The portion may include predefined lines and notches corresponding to different sizes that the sheet material may be trimmed to achieve. An adhesive component secures the sheet material to the face of the user. The sheet material also may include indicium corresponding to a size of the face shield, user specific information, and/or other information.

Abstract: The head immobilizer including a planar rack board, wherein the head immobilizer's rack board removably attached to a back board. The head immobilzer including a right wedge and a left wedge made of thin planar folded material slideably received upon the rack board for clamping a persons head between each of the wedges wherein the wedges including a locking tongue attached to the wedge and corresponding locking grooves defined in the rack board. The tongue engages with the grooves for operably locking the wedge in a preselected groove preventing the wedges from moving away from each other.

Abstract: A self lubricating condom for use in mucosal areas and is provided to enhance sexual performance as well as keeping the condom moist and lubricated during sexual intercourse. The invention can be applied to condoms that are configured to cover the penis as well as the female cervix. The condom contains pockets of lubrication made from latex which wear due to friction and releases lubrication at different intervals due to the wear of the plastic of different thinness and thickness, moisture upon impact with the methacrylic acid co-polymer method or moisture upon impact with the gelatin method.

Abstract: A device for treating male urinary incontinence includes multiple pairs of interlocking locking rings formed with sections of latex which is twisted when the locking rings are mated. The device slips over the glans of the penis for positioning along the longitudinal axis of the penile shaft. When the locking rings are mated, pressure is applied to several points along the length of the urethra such that the urethral passageway is closed thus preventing flow therethrough. Release of the locking rings allows flow through the urethra.

Abstract: An apparatus and a method for measuring the diameter of at least one rod-shaped article. A beam splitter is arranged to split a beam coming from the radiation source into several component beams and to conduct the beams from different directions onto the rod-shaped article. A detection device includes a plurality of detectors each arranged to generate a signal indicating a shading of a respective one of the component beams caused by the rod-shaped article. The rod-shaped article is positioned in or guided through the beam paths between the radiation source and the detection device and the diameter of the rod-shaped article is determined from the signals generated in the detection device.

Abstract: A hair replacement or hairpiece that comprises a base woven with natural human hair, color blended and attached such as to simulate a natural growth pattern, hair density and hairline appearance and a method for making same. The hairpiece comprises a base with a front area comprised of coated lace, a back area comprised of about three pieces and reinforced with polyurethane; a knotting pattern wherein the front and crown areas are comprised of hair fixed to the base with single hair split knots, the side and top areas are comprised of hair fixed to the base with alternating single hair flat knots and single hair split knots and the back area comprises hair fixed to the base with single hair flat knots; and a color pattern wherein the base comprises about three color regions comprising a lighter shade in the front, a medium shade in the top and crown areas, and a darker shade in the back area.

Abstract: A system and method for the management of hair and personal hygiene is provided. The system comprises a hair care instrument including a mounting base having opposing sides each defining a mounting portion in its cross-section. The base includes a proximal end. A first implement is removably connected to at least one of said opposing sides of said base. A handle is provided having an interface edge, the interface edge is adjacent the proximal end of the base, wherein the handle is removably connected to the proximal end of the mounting base.

Abstract: The present invention is directed to a method and an apparatus for cleaning and drying wafers. The apparatus includes an injection unit having first and second injection ports configured for injecting different fluids and arranged in a moving direction of the rose or on a line adjacent to the moving direction. The injection unit migrates straightly from the center of a wafer to the edge thereof, and the first and second injection ports are linearly arranged on a moving line of the nozzle.

Abstract: A system and method for processing an edge of a substrate includes an edge roller and a first proximity head. The first proximity head being mounted on the edge roller. The first proximity head capable of forming a meniscus and including a concave portion and multiple ports opening into the concave portion. The concave portion being capable of receiving an edge of a substrate and the ports including at least one process liquid injection port, at least one vacuum port and at least one surface tension control port.

Abstract: The steam humidifier fed with a premix of natural gas and forced air under low pressure (less than 1 psi) includes a main frame, a movable lower frame, a two part evaporation canister, releasably sealed, for water, an immersible combustion chamber retaining a radiant gas burner and a heat exchanger coupled downstream thereto. The heat exchanger is a coil with an upstream end coupled to the combustion chamber and a downstream end mounted through the upper part of the canister. Maintenance is enhanced by having the lower part of the evaporation tank or canister move downwardly to expose the combustion chamber and the heat exchanger coils. The coils are subject to thermal shock or relatively rapid thermal expansion and contraction which causes scale, adhered thereon, to be released and broken off. A high degree of control and modulation is achieved because the radiant burner is configured for modulated operation from a blue flame mode through a radiant mode.

Abstract: A dish washer, which detects failure of a washing pump, and a method for detecting failure of the washing pump of the dish washer. The method detects failure of the washing pump of the dish washer by measuring the temperature of water at different locations within the dish washer. It is determined that the washing pump has failed when a temperature difference the water temperature measured at one location in the dish washer and the water temperature at different location is greater than or equal to a reference value.

Abstract: A method for removing contaminants from an article is described herein. In one embodiment, there is provided a method comprising loosening at least a portion of the contaminants by treating the article with a treatment method involving a processing fluid and/or dense processing fluid to provide a partially treated article comprising loosened contaminants; contacting the partially treated article with a dense rinse fluid comprising a dense fluid, optionally a co-solvent, and optionally an entrainer to remove liquid-based contaminants; and removing at least a portion of the loosened contaminants by exposing the partially treated article with at least one exposure method to provide a treated article wherein the selection of the at least one exposure method depends upon whether the loosened contaminants are wet or dry.

Abstract: A substrate holding device according to the present invention comprises: a motor; a rotating shaft rotated by the driving force of the motor; a spin base coupled to the rotating shaft and rotated integrally with the rotating shaft; a cover member surrounding the motor and having its one end arranged in the vicinity of the spin base; a rotating ring fixed to a surface, opposite to the cover member, of the spin base; a fixed ring arranged opposite to the rotating ring along the axis of the rotating shaft; a spring provided at the one end of the cover member for elastically urging the fixed ring toward the rotating ring; and clean gas supply mechanism for supplying clean gas to a space between the rotating ring and the fixed ring.

Abstract: Ultrasonic cleaning devices comprise a sonotrode and a power supply adapted to supply current to the sonotrode, and further include one or more features which facilitate use of the ultrasonic cleaning devices by consumers, improve the safety of the ultrasonic cleaning devices when used by consumers, and/or improve the cleaning efficiency of the ultrasonic cleaning devices when used by consumers.

Abstract: An assembled umbrella shank includes a hollow cylindrical core having multiple holes longitudinally defined in an outer periphery of the cylindrical core, multiple first pieces each having multiple first hooks formed on opposite sides of the first piece to correspond to and extend into the holes of the cylindrical core, and multiple second pieces each having multiple second hooks formed on opposite sides of the second piece to correspond to and extend into the holes of the cylindrical core such that after the first pieces and the second pieces are assembled on the outer periphery of the cylindrical core, an annular periphery of the cylindrical core is enclosed.

Abstract: The present invention relates to a side-supporting umbrella. A collar is installed on a mast, and able to slide along the mast in a continuously variable manner, and pivotally connected to a supporting arm of a canopy. A movement of the collar sequentially actuates another movement of the pivotally interlinked supporting arm to adjust the tilt of the canopy, and the collar can be fixed at any position of the mast by a locking element. Thus, the canopy can be adjusted to any tilt attitude in response to the solar radiation coming from any direction. Besides, a controlling line of the present is inside-installed in order to prevent the line from exposure to the environment and avoid wear or damage of the line and then prolong the life of the umbrella and promote the operating safety.

Abstract: An umbrella includes: a central shaft, and a rib assembly respectively pivotally secured to an upper notch formed on a top of the central shaft and to a runner slidably held on a guiding sleeve disposed about the central shaft; with the guiding sleeve integrally formed with a resilient protrusion on the sleeve; and the runner having a socket formed in the runner for engaging the resilient protrusion for opening the umbrella, and a sloping portion inclined upwardly inwardly from the socket for thrusting the resilient protrusion inwardly for disengaging the runner from the resilient protrusion on the guiding sleeve when lowering the runner for closing the umbrella, thereby omitting the lateral depression operation by inwardly depressing a spring catch of a conventional umbrella and thereby enhancing a safe, quick, and ergonomic operation for closing the umbrella.

Abstract: A walking assist device includes an elongate shaft having an adjustable length, a handle detachably connected to a proximal end of the elongate shaft, and a curved elongate base that matingly engages a distal end of the elongate shaft. The curved elongate base may have a curved top, a front wall, a rear wall, a pair of opposing sidewalls, and a curved bottom. The curved elongate base may also include a plurality of spaced apart ribs connected to and extending outwardly from the curved bottom, and a connection member connected to and extending outwardly from the curved top to matingly engage the distal end of the elongate shaft.

Abstract: For use with a crutch having two spaced-apart side members or crutch arms interconnected by a crutch handle that is gripped by the individual, a triangular-shaped extender plate supplants the crutch handle and is mounted to the crutch arm and projects away from crutch arm and the individual's body. A horizontally disposed extender plate handle is secured to the extender plate so that when the individual grips the extender plate handle the individual's wrist is spaced from the crutch arm thereby eliminating the rubbing of the individual's wrist against the crutch arm. Each crutch can have one or two extender plates attached thereto, and if two extender plates are used with each crutch, one extender plate would be secured to each crutch arm of the left arm crutch and each crutch arm of the right arm crutch as desired by the individual.

Abstract: A portable shelter is attachable to a receiver hitch of a vehicle. The portable shelter enables the user to use the base of the shelter as a cargo rack when the shelter is not being used as such. The cargo rack is used as the sub-base to the shelter. On top of the sub-base is a removable thermoformed plastic base having tent framing and one or more seats removably attached to it. Support legs are also provided at the sub-base. Each of the support legs is rotatable from the sub-base to ensure stability of the shelter and allow the shelter to stand by itself and without attachment to the vehicle. A framework is provided with telescoping members to allow the full frame of the shelter to be enclosed with a tent or other like covering, the covering intended to be a barrier against the elements.

Abstract: The present invention provides a tent frame comprised of support frames having a side support and roof support. The spans of the support frames can be adjusted perpendicular to the ridge line without substituting structural members of different length. The tent frame of the present invention can be adjusted in a lateral distance by adding or removing support frames or by altering the distance between individual support frames. The present invention is also advantageous in that the tent frame is adaptable on uneven terrain and is capable of following irregular ground contour, without delay in erection or changes in length and details in the structural members or components. A canopy can be provided on either the inside or overtop of the tent frame. Providing the canopy on the inside of the tent frame is advantageous because adjustments to the span of a support frame of the tent frame does not require a subsequent adjustment to the canopy size.

Abstract: Bases are disclosed that comprise a projecting portion designed to receive over it the hollow end of a pole or other elongate member, which may form part of a structure such as a pavilion or umbrella. The projecting portion of the base comprises wedges that move in response to the end of the pole moving over the projecting portion and in so moving, the wedges increase the effective cross section of the projecting portion to engage the inner surface of the end of the pole and to thereby stabilize the structure on a support surface, such as the ground. Braces are also disclosed that pull together adjacent poles of a pavilion to make the structure more rigid.

Abstract: A collapsible structure has first and second flexible loop members, each loop member defining a closed loop and having a first side and an opposing second side, each loop member adapted to assume an expanded position and a collapsed position, with the two loop members overlapping each other at a first overlapping point along the first sides of the loop members, and at a second overlapping point along the second sides of the loop members. The loop members are adapted to assume a deployed position in which one loop member is disposed at an angle with respect to the other loop member at the overlapping points, so that the structure defines a top side, four vertical sides, and a bottom side when in the loop members are in the deployed position. The structure also includes a flexible wall extending across the four vertical sides and the bottom side to define an interior space.

Abstract: A foldable rectangular dome having four side panels and a top forming an enclosure with an open bottom. Each side comprises of at lease one frame, a web material with a perimeter, an edging material that attaches to the entire web's perimeter. The edging has straps periodically stitched along its edging system designed to strap in the frames. The top opens to receive and share its cargo by means of two opposing zippers that run along the top's foremost concave portion in a single track. A method of folding the rectangular dome enclosure is also disclosed.

Abstract: Apparatus and method using solar power driven expansion of an electrolytic solution to force said solution through pores in an insulating plate. The pores' surface has fixed surface charge of one polarity. The velocities of the cations and anions through the pores differ because of the fixed surface charge and this produces an electrical charge separation, the streaming potential, as a source of electrical power. Energy absorption can span the full solar spectrum including infrared, visible and near ultraviolet wavelengths. This light is absorbed and degraded to thermal energy of the electrolytic solution for its expansion using (1) a light absorbing electrode contacting the electrolytic solution, (2) light absorbing molecules in the electrolytic solution or (3) light absorbing molecules in a polymeric matrix within the electrolytic solution.

Abstract: Coating is manufactured by mixing two or more components together in two or more mixing zones arranged in series and/or in parallel, of which at least some are pressurized.

Abstract: A solenoid operated valve has a pressure transducer sensing valve outlet pressure integrally formed in the valve body, such as by overmolding. Upon connection of the transducer and solenoid to an electronic controller, the controller generates a valve energization signal in response to a desired valve pressure output and the transducer input for providing closed loop control of the valve outlet pressure. An ASIC may also be integrally formed in the valve body, such as by overmolding for providing integrated signal conditioning; and, the optional ASIC, if employed, may also include the circuitry for the electronic controller for providing a “smart” pressure control valve.

Abstract: A pressurized gas system controls a gas flow from one or more gas pressure storage vessels by means of an electronically controlled electro-mechanical shut-off valve located in close proximity to each of the vessels. The shut-off valves are electrically wired to actuation switches on the control panel. Pressure transducers mounted on each vessel provide a signal output which is electrically connected to a digital numeric display located on the control panel so that the pressure of each vessel can be monitored. Gas flow from the vessels is controlled by means of the electric shut-off valves operated from the control panel. A pressure regulator at the air access station controls the final output pressure delivered to the tool or personnel air bottle.

Abstract: A compressed hydrogen tank system that includes a heatable hydrogen pressure regulator. Hydrogen is removed from the compressed tank through a suitable pipe where the pressure drop of the hydrogen is controlled by the pressure regulator. The high pressure side of the regulator is typically at a relatively low temperature as the hydrogen is being removed from the tank, and the low pressure side of the regulator is typically at a relatively high temperature as the hydrogen is removed from the tank. A heat source is provided to heat the pipe on the high pressure side of the regulator to prevent the hydrogen from becoming cold as the hydrogen is being removed from the tank, thus preventing the temperature of the hydrogen within the tank from decreasing.

Abstract: Hose nipple has longitudinal axis, distal end, and aperture. Distal end closed and in line with axis for insertion into wall valve. Aperture opens out of line with axis. Nipple and valve alignment mechanisms align nipple and valve apertures for mating. Valve member slides in valve on insertion of nipple through opening of valve against front surface of member. In first position, front surface between opening and aperture. Fluid connection through valve prevented. In second position, front surface further into valve, and fluid connection provided. Valve and nipple longitudinal retention mechanisms retain nipple. Mechanisms engaged by rotational movement. Valve and nipple rotational coupling mechanisms form rotational coupling that is manually engageable and releasable. Hose assembly has nipple, handle, and stretch hose. Handle may have turbine and generator, air causes turbine to turn and generator to generate electrical energy. Central vacuum cleaning system has vacuum source, valve, piping, and assembly.

Abstract: A check valve adapted to open only at a predetermined positive pressure, and to open fully and abruptly when said pressure is exerted.

Abstract: Herein disclosed is a control valve that eliminates backpressure from contaminating the main pressurized substance that is flowing into the valve. The valve is of very simplified construction including no moving parts, is maintenance free, easy to install, and very cost effective. The valve is in the form of a housing having inlet/outlet ports and the housing having only a ball bearing and a ball diverter therein. The valve may include identification means such as a serial number for tracking, thus reducing the likelihood of intentional tampering. Also, the valve may include a window for viewing the contents there through.

Abstract: A pressure regulating valve with an integrated flow switch to sense when full flow has been achieved through the regulator includes a valve housing, a control member, a movable setting member, a first electrical contact disposed on the movable setting member and a second electrical contact disposed on an inner wall of the housing. The housing also has a primary duct, a secondary duct, a transfer opening fluidly connecting the primary duct and the secondary duct and an interior chamber. The control member is movable between an open and a closed position for alternately opening and closing the transfer opening. The movable setting member is disposed in the housing interior chamber and is engageable with the movable control member to move the control member between the open and closed positions. When the control member is in one of its open and closed positions, the first and second electrical contacts make contact, thereby closing a circuit to indicate that full flow has been achieved.

Abstract: A valve assembly that includes a valve body defining a fluid passage. First and second ends of the fluid passage define first and second ports for fluid flow. A spring and piston are located in the fluid passage. The piston has a travel length extending between first and second positions with a third position located therebetween. The spring biases the piston from the first toward the third position and is located outside the axial piston passage. The piston at least partially defines a first, second and at least one third opening. The first opening defines a variable constriction which increases in size as the piston moves from the first to third positions. The piston end wall defines the second opening and the piston sidewall defines the third openings. Movement of the piston from the third to second position exposes the third openings increasing the area of the second port.

Abstract: The invention relates to a shut-off fitting comprising a housing which is connected to an adjacent pipeline in a pressure tight manner, the diameter of said pipeline defining a tubular passage in the housing. Said fitting also comprises at least one closing body which can be displaced between an open position and a closed position. The inventive shut-off fitting is characterized in that the at least one closing body can be displaced by an articulated mechanism, by means of an actuator which can be vertically displaced in relation to the flow direction, in such a way that it is arranged outside the tubular passage in its open position. The closing body has a contour which is adapted to the contour of the tubular passage, in the open position, and is located on the tubular passage in a radially sealing manner.

Abstract: To obtain a manifold-type solenoid valve with an external port having both functions of collective piping and independent piping. In a manifold-type solenoid valve including a main valve section having a spool in a valve hole to which respective switching flow paths for supply, output, and discharge are opened, and a solenoid operating section for driving the spool with an electromagnetic force, a housing of the main valve section including connecting flow paths for collective supply and/or collective discharge having connecting ports opened on a side surface of the housing, output ports on the housing at a first end surface in the axial direction, and an external port for connecting an external piping for independent supply or independent discharge, and the connecting flow paths and the output ports and the external port are brought into communication with one of the switching flow paths.

Abstract: In a solenoid valve 10, an annular oil groove 66 is formed at a portion corresponding to a spring chamber 56 on the external surface of a sleeve 19, a drain passage 68 is formed to make an upper part of the annular oil groove 66 communicate with the outside of an insertion bore 61, and a throttle hole 67 is provided at a lower part of the annular oil groove 66 for making the annular oil groove 66 communicate with the spring chamber 56. Since the annular oil groove 66 communicates with the outside of the insertion bore 61 at its upper part through the drain passage 68, it can be realized to store the operating oil to the height of the upper part of the annular oil groove 66, so that the operating oil can be reserved in the spring chamber 56 which communicates with the annular oil groove through the throttle hole 67. Further, the operating oil is supplied from a feedback port 48 next to the spring chamber 56 through a clearance between the spool valve 19 and a valve hole 18.

Abstract: The present invention A hydraulic control valve with a regeneration function, including a main body formed of a supply fluid passage to which pressurized fluid is supplied, at least one port, a tank fluid passage for discharging the pressurized fluid to an outside storage tank, and a first regeneration fluid passage; a spool movably installed inside the main body for controlling the flow of the pressurize fluid, and including a second generation fluid passage formed therein; and a regeneration valve for returning only part of the pressurized fluid of the first regeneration fluid passage to the tank fluid passage to maintain pressure of the first regeneration fluid passage at a designated value, and for supplying the pressurized fluid to the second regeneration fluid passage, and if the pressure of the supply fluid passage is higher than a predetermined pressure, changing the pressure of the first regeneration fluid passage in accordance with a change of the pressure of the supply fluid passage.

Abstract: An apparatus for capping a plumbing vent pipe during pressure testing of a plumbing system for a house or other building includes a vent test cap and a removal rod. The vent test cap has an enclosure portion and an engagement portion. The enclosure portion is shaped for sealingly enclosing an open top end of a vent pipe during testing of a plumbing system. An engagement portion extends upwardly from the enclosure portion and includes at least one socket. A user may use the removal rod to and apply an upwardly directed force to the engagement portion, so as to remotely remove the vent test cap from the vent pipe, without having to climb on the roof of the building.

Abstract: A hose is provided having at least one layer defining a tubular body with a length and an electrically conductive lead joined to the tubular body and extending along the length of the tubular body. The electrically conductive lead is adapted to receive an electrical signal and create an electromagnetic field that can be remotely detected to determine a location of the hose. A method of determining the location of a hose is also contemplated.