Abstract: A steering apparatus with an assistance of a rack-driven power includes a rack bar having an outer circumferential screw groove formed, a ball nut having an inner circumferential screw groove and a pair of first and second ball circulation holes, a nut pulley provided with a space on the inner circumferential surface spaced apart from the outer circumferential surface of the ball nut and coupled to an end of the ball nut, and a return tube disposed between the outer circumferential surface of the ball nut and the inner circumferential surface of the nut pulley.

Abstract: A core arrangement for a heat exchanger includes a first core layer disposed along a first plane and having an inlet and outlet oriented along a first axis within the first plane and a first core stage disposed in fluid communication between the inlet and the outlet. The first core stage includes a first upstream fluid intersection downstream of and adjacent the inlet and having a first inlet continuation and a first bifurcation. The first core stage further includes a first downstream fluid intersection upstream of and adjacent the outlet and having a first outlet continuation and a first recombination. A plurality of first core tubes fluidly connect the first bifurcation to the first recombination. The first core layer further includes a second core stage disposed in fluid communication between the first inlet continuation and the first outlet continuation.

Abstract: Provided is a power steering apparatus capable of improving accuracy of relative positions of a first circulation member and a second circulation member. A tube 23 includes a first first-tube-side abutment portion 40 and a second second-tube-side abutment portion 51, and a second first-tube-side abutment portion 41 and a first second-tube-side abutment portion 51, which are configured to restrict relative positions of a first tube 31 and a second tube 32 in a circumferential direction relative to a nut 8.

Abstract: Provided is a method of manufacturing an elbow, including: a first cutting step of cutting a material by relatively moving a cutting section of a cutting tool, which is formed of at least a part of a substantially spherical shape, along an inner side surface of the elbow to be finished in a direction from a first end surface to a second end surface of the material; and a second cutting step of cutting the material by relatively moving the cutting section along the inner side surface of the elbow to be finished in a direction from the second end surface to the first end surface of the material.

Abstract: In an electric power steering system, there is provided a ball screw deflector configured to make it possible to easily measure the whole length of each of deflector pieces. A mating face of each of the deflector pieces and end faces of the deflector pieces are parallel to each other, and have an angle corresponding to a lead angle of a ball screw portion. Thus, it is possible to reduce the amount of material required to form each of the deflector piece pieces. In addition, it is possible to easily measure the overall length of each of the deflector pieces with the use of measuring equipment such as a vernier caliper.

Abstract: A curable composition comprising an isocyanate material; method of using this curable composition and fluid connection incorporating cured reaction products of this composition are provided.

Abstract: A retrievable bridge is provided which mounts to the top of a subsea tree to provide fluid communication between the production line of the subsea tree and a production flowline. The retrievable bridge mounts to the top of the subsea tree and preferably connects to a vertically oriented pipe of the production flowline. The retrievable bridge can be utilized to carry wear items such as chokes, subsea control modules, and flow meters which may require maintenance more often than other components of the subsea tree. By mounting these items along the flow passageway in the retrievable bridge the components are securely mounted and still available for maintenance/replacement without the need to remove the entire tree. In one embodiment, Intervention into the well is available without removing the retrievable bridge.

Abstract: A U-bend fitting for connecting a first pipe and a second pipe, e.g., in cooling pipe system for an ice rink, is disclosed. The U-bend fitting includes a first collar, a second collar, and a curved hollow body forming a fluid path configured to allow fluid to flow from the first pipe to the second pipe. In one embodiment, the U-bend fitting includes a brace extending transversely between the first collar and the second collar, the brace configured to resist movement of the first collar toward the second collar. In another embodiment, the U-bend fitting includes a concave channel extending longitudinally along at least a portion of the outer surface of the curved hollow body. The concave channel is configured for receiving a curved surface of a support to which the outer surface of the curved hollow body can be tied.

Abstract: A U-bend fitting having a flow path chamber and a flow transition chamber is disclosed. In one embodiment, the U-bend fitting is designed with its maximum outer diameter to be substantially equal to the maximum combined outer diameter of the pipes which are fused to the flow path chamber. The flow transition chamber is designed to provide a larger flow path between the two pipes without any sharp turns.

Abstract: A removable drain filter apparatus (20) with an housing (22) connectable with upstream and downstream drain pipes (40, 46) has a filtering chamber wider than the drain pipes and divided into an upstream portion (78) and a downstream portion (82) by a generally planer filter element (50). A hatch cover (32) carries a downwardly extending central core (76) with an O-ring seal (84), a filter securement member (86) for pressing the filter element (50) against an underlying support ledge (29) and a drain hole plug (88). The location of the O-ring (84) relative to the filter element (50) and the plug (88) being tapered enables the filter housing (22) to be drained of any water during removal of the hatch cover and before the watertight seal is broken to eliminate leakage of drain water out of the housing (22) when the hatch (31) is completely opened. The filter (50) bends out of the way of a plumber's auger (96).

Abstract: An adaptor for coupling pipes together that has a pair of spaced apart pipe members disposed parallel to each other, with each of pair of pipe members including an opening at a top and at the bottom for receiving an additional pipe, and a bridging member connecting the pair of pipe members and defining a passage between the pipe members. Methods suitable for non-industrial use by a common person of limited skills to assemble various piping arrangements from common parts and a kit including an adaptor and one or more additional pipe members also are provided.

Abstract: A speaker system includes a cabinet, a front baffle, a speaker unit, a rear baffle, and a fitting member fitted in the rear baffle. The front baffle includes a front duct segment extending backward from the rear thereof. The rear baffle includes an opening portion, a duct connecting portion, and a receiving portion having a semicircular cross section. The receiving portion extends from the opening portion to the duct connecting portion while protruding backward. The opening portion, the receiving portion, and the duct connecting portion have a groove. The receiving portion has an engagement hole. The fitting member having a semicircular cross section is formed by double molding. The frame of the member is made of relatively rigid resin and the rim thereof is made of relatively flexible resin. The frame has an engagement projection. The receiving portion and the fitting member constitute a sealed rear duct segment.

Abstract: The system comprises one or more of the following: primary treatment units, flexible pipes, and optionally, one or more pumps. The system is designed and installed in a manner that enables the flow of liquid to be predominantly due to gravity, although one or more pumps may optionally be included at key positions. The system can be sealed and pressure tested in order for optimal performance to be achieved during operation.

Abstract: An adaptor for coupling pipes together that has a pair of spaced apart pipe members disposed parallel to each other, with each of pair of pipe members including an opening at a top and at a bottom for receiving an additional pipe, and a bridging member connecting the pair of pipe members and defining a passage between the pipe members. A kit including an adaptor and one or more additional pipe members also is provided.

Abstract: In an arrangement for connecting tube elements of a ventilation duct system, the inner tube (3) has an abutment (7?) for engagement with a matching abutment (8?) of the outer tube (1). By insertion of the inner tube (3) into the outer tube (1), the abutments (7?, 8?) are brought into engagement in a plane (P) perpendicular to the direction of insertion for providing coupling between the abutments and thereby connection of the tubes (1, 3). The abutment (7?) of the inner tube (3) is continuous along the circumference of the tube (3) and is provided at a distance (d) from a free end (20) of the inner tube (3).

Abstract: An adaptor for coupling pipes together that has a pair of spaced apart pipe members disposed parallel to each other, with each of pair of pipe members including an opening at a top and at a bottom for receiving an additional pipe, and a bridging member connecting the pair of pipe members and defining a passage between the pipe members. A kit including an adaptor and one or more additional pipe members also is provided.

Abstract: A connector for a respiratory assembly is provided. The connector includes a body that has a first end and a second end. The body has a passage disposed therethrough from the first end to the second end to allow for transport of fluids and objects through the body. The passage changes direction approximately 120° between the first end and the second end. The first end includes a coupling that is configured to rotatably engage a first member of the respiratory assembly. The second end includes a coupling that is configured to rotatably engage a second member of the respiratory assembly.

Abstract: A flexible drain element is used in place of a trap and has a section that is flexible with a stiffness that is selected to make clearing blockages easy and expeditious.

Abstract: A P-trap device for plumbing drainage systems is shown. The device has a first tubing element having a pipe attachment bell at one end and a first coupler portion at the other end and a second tubing element having a pipe attachment bell at one end and a second coupler portion at the other end, wherein said first and second coupler portions are sized and shaped to be coupled together. The device further has at least one of said first or second tubing element being a generally unshaped section sized and shaped to trap water therein. A connector to releasably couple said first and second coupler portions together is included, the connector including a sealing gasket. The sealing gasket, first coupling portion and second coupling portion are sized and shaped to permit the first and second coupler portions to be coupled together over a range of angles to form a leak resistant joint without introducing stresses into the plumbing system.

Abstract: A coupled circulation tube for a ball screw unit. The tube is formed on a planar surface at one side of the ball screw bearing, each tube joined to two circulation holes. Each circulation tube is formed by coupling two symmetrical rigid metallic half tubes at recessed grooves and flanges interposedly arrayed one after another longitudinally along the wall of each half tube to form a resultant U shaped arcuate elbow tube for ball circulation such that it is firmly constructed with a desired toughness free from loosening, cracking or deforming by constant collision and abrasion of the rolling balls.

Abstract: A method for facilitating fabrication of a coupling member includes a first step of boring one of upwardly open, passageways, a communication passageway and an auxiliary passageway in a body block, a second step of inserting a closure member into the auxiliary passageway, a third step of welding the closure member to the inner peripheral body portion defining the auxiliary passageway, and a fourth step of boring the other upwardly open passageway in the body block. The closure member is inserted in the second step so as to be positioned at least party in the portion where the other upwardly open passageway is to be formed.

Abstract: The present invention 10 discloses a p-trap 12 for commercial and residential plumbing systems wherein the p-trap 12 has an enlarged portion at 46 for receiving a drainpipe 20 and has a threaded port 22 to receive a pressure hose 16 for a dishwasher 14 waste line. Also disclosed is a deflection shield 24 disposed in operative connection to the threaded port 22 so as to direct waste water 50 downwardly away from the sink 18. The present invention 10 further includes a plurality of multiport PVC pipe fittings in various configurations to provide greater flexibility when plumbing.

Abstract: A panel assembly for transferring fluids from one location to another comprises a panel structure with openings, a nozzle projecting through each opening and a sleeve affixed between the nozzle and its respective opening. Each nozzle includes a tubular portion with a connection end adapted for connection to a transfer conduit. The connection ends of the nozzles are preferably aligned with a common reference plane. Each sleeve has an outer surface with a length that is greater than a combination of a thickness of the panel and any deformity on the panel. With this arrangement, alignment of the connection ends with the common reference plane is independent of any deformity on the panel. A method of constructing a panel assembly includes determining if any defects are present on the inner surface of the tubular portion before installing the nozzle on the panel, and precluding potential inner surface defects during installation of the nozzle on the panel.

Abstract: The coupled circulation tube for ball screw unit disclosed is formed on the planar surface at one side of the ball screw bearing each tube jointing to two circulation holes. Each circulation tube is coupled of two symmetrical rigid metallic half tubes by a plurality of recessed grooves and flanges interposedly arrayed one after another longitudinally along the wall of each half tube thereby coupling into a resultant U shaped arcuate elbow tube for ball circulation such that it is firmly constructed with a desired toughness free from loosening, cracking or deforming by constant collision and abrasion of the rolling balls.

Abstract: The present invention 10 discloses a p-trap 12 for commercial and residential plumbing systems wherein the p-trap 12 has an enlarged portion at 46 for receiving a drainpipe 20 and has a threaded port 22 to receive a pressure hose 16 for a dishwasher 14 waste line. Also disclosed is a deflection shield 24 disposed in operative connection to the threaded port 22 so as to direct waste water 50 downwardly away from the sink 18. The present invention 10 further includes a plurality of multiport PVC pipe fittings in various configurations to provide greater flexibility when plumbing.

Abstract: A panel assembly for transferring fluids from one location to another comprises a panel structure with openings, a nozzle projecting through each opening and a sleeve affixed between the nozzle and its respective opening. Each nozzle includes a tubular portion with a connection end adapted for connection to a transfer conduit. The connection ends of the nozzles are preferably aligned with a common reference plane. Each sleeve has an outer surface with a length that is greater than a combination of a thickness of the panel and any deformity on the panel. With this arrangement, alignment of the connection ends with the common reference plane is independent of any deformity on the panel. A method of constructing a panel assembly includes determining if any defects are present on the inner surface of the tubular portion before installing the nozzle on the panel, and precluding potential inner surface defects during installation of the nozzle on the panel.