Abstract: A rotary oscillating sub-assembly for positive displacement pumping of a fluid, said sub-assembly comprising: a hollow body defining a cavity having a wall with two ducts passing therethrough; a piston co-operating with said cavity to define a working chamber and including a channel that opens out longitudinally into said working chamber, said piston being movable angularly so as to put said working chamber into fluid-flow communication with one, then none, then the other of said ducts, and being movable in longitudinal translation to reciprocate so as to cause the volume of said working chamber to vary and successively suck in and then discharge said fluid, said piston carrying a sealing gasket that is formed of at least a sealing ring, a sealing half-ring, and at least one sealing strip that longitudinally connects said sealing ring to said sealing half-ring.

Abstract: A load transmittal apparatus transfers an axial load to a thrust surface during operation of a scroll compressor.

Abstract: A scroll compressor 10 may include an orbiting scroll having an orbiting scroll wall extending axially from an orbiting scroll plate towards a fixed scroll; a fixed scroll having a fixed scroll wall extending axially from a fixed scroll plate towards the orbiting scroll; and an axially extending drive shaft having an eccentric shaft portion so that rotation of the eccentric shaft portion imparts an orbiting motion to the orbiting scroll relative to the fixed scroll. An axial end portion of the orbiting scroll wall has a first seal for sealing between the orbiting scroll wall and the fixed scroll plate, and an axial end portion of the fixed scroll wall has a second seal for sealing between the fixed scroll wall and the orbiting scroll plate; and the first seal or the second seal has an aspect ratio of axial length to radial width which is 1.25:1 or greater.

Abstract: A vacuum pump, particularly a rotary vane pump with a high pumping capacity, has a pump chamber in a housing. A pump element is arranged in the pump chamber. The pump element is supported by a rotor shaft. The rotor shaft is connected to a belt pulley arranged outside of the pump housing. The pump also has a motor arranged outside of the pump housing. The drive shaft of the motor carries a drive pulley. The drive pulley is connected to the rotor pulley via a belt. To simplify assembly, the drive pulley and/or the rotor pulley are formed of multiple parts.

Abstract: The present invention relates to a pressure-increasing unit (1) comprising first receiving means (2) for receiving a pipeline (4) conveying pressurized gas, at least one first pipeline (3) for further transferring the pressurized gas to applications utilizing it, and second receiving means (6) for receiving a second pipeline (5) conveying reduced-pressure gas returning from the applications. The present solution is characterized in that the receiving means (6) are connected with at least one pressure intensifier (7). This pressure intensifier, in turn, is connected to the first receiving means (2) receiving pressurized gas for transferring gas re-pressurized by a substitution means (8) back to the applications utilizing it.

Abstract: A method of determining a state of cooling water is provided. The method includes operating, by a controller, a driving motor of a cooling water-circulating pump that is configured to circulate cooling water at a fixed current, a fixed torque, or a fixed power. In addition, the controller is configured to calculate an average rotation speed of the driving motor for a preset first period of time during the operation of the driving motor. Whether the circulation state of the cooling water is normal is determined based on an error between the calculated average rotation speed and a preset reference rotation speed.

Abstract: An object of the present invention is to provide a rotating flow generator which is capable of preventing a pipe arrangement from clogging. A rotating flow generator 20 includes a shaft 22 and guide blades 23 secured to the shaft 22. When a current of a processed gas flows from upstream, the blades 23 deflect the air current diagonally in a circumferential direction along the formed shape of the blades 23. The substrate processed gas is controlled in direction by colliding with an inner wall surface of a gas discharge pipe 10, and forms a rotating flow S, which circles at a predetermined pitch along the inner wall surface. This rotating flow collides with the inner wall surface of the pipe 10, thereby suppressing deposition of reaction byproducts of the processed gas on the inner wall surface of the pipe 10.

Abstract: A turbo compressor includes a first compressor stage, which has a first compressor wheel, and a second compressor stage, which has a second compressor wheel, the first compressor wheel and the second compressor wheel being situated on a common shaft (12), the shaft being supported without contact. To reduce the complexity of the turbo compressor, a contactless bearing of the shaft is situated between the first compressor wheel and the second compressor wheel.

Abstract: The suction unit for material and rotary working equipment, the said material including a platform with means of rotation housing a tank, in which the suction unit is housed, a piping position opening connected to the work tool, an air inlet including three stacked components (6) (7) and (8) and mounted in upper, middle and lower positions, arranged to ensure air circulation, the lower component (8) is in the form of a bowl with perforations for the upwards passage of air, the middle component (7) is supported on the lower component (8) and has a central opening for positioning the lower part in the form of a ring of an motor-turbine which is mounted and fixed on a support plate which is connected to the middle part in the form of a tray (7), the said ring shape has openings for the passage of air, the upper component (6) is in the shape of a bell and is positioned above the components (7) and (8) and has openings in its upper surface for the passage of air, the said component (6) forms an interior volume wit

Abstract: A control device for a working machine includes a storage unit in which a constant used in a program for operating the working machine is stored, a control unit which is configured to control the operation of the working machine by executing the program using the constant stored in the storage unit, and a connector unit to which an external apparatus capable of inputting an update value for overwriting the constant stored in the storage unit is connected.

Abstract: If a fan motor in a stopped state remains stopped even when it is powered on, restart processing of the fan motor is carried out by rotating the fan motor forward and backward. If the fan motor rotates as a result of the restart processing, an indication to prompt replacement of it is displayed. If the fan motor remains stopped without rotating, in contrast, it is determined to be defective, and an electronic apparatus is stopped.

Abstract: There is a method for controlling a centrifugal compressor (22) having an inlet (24), an outlet (26), an impeller (54) mounted for rotation about an impeller axis (502), a motor (52) coupled to the impeller to drive the impeller about the impeller axis (502), and a variable inlet guide vane (56) array (55) controllable for movement between a relatively closed first condition and a relatively open second condition. A lift value is determined (304). An allowable guide vane condition based upon the lift value is determined (306). The guide vane array is closed (308) to the determined allowable guide vane condition. The impeller is accelerated (312) to an operational speed.

Abstract: A system for applying tension to a component for use in molten metal processing. Preferably, the component includes an outer core and at least one tension rod positioned partially within the outer core. The component is preferably elongated, such as a support post or an impeller shaft. The tension rod applies compression to the outer cover, which makes the outer cover more resistant to breakage if it strikes, or is stricken by, an object.

Abstract: A system for applying tension to a component for use in molten metal processing. Preferably, the component includes an outer core and at least one tension rod positioned partially within the outer core. The component is preferably elongated, such as a support post or an impeller shaft. The tension rod applies compression to the outer cover, which makes the outer cover more resistant to breakage if it strikes, or is stricken by, an object.

Abstract: A system for applying tension to a component for use in molten metal processing. Preferably, the component includes an outer core and at least one tension rod positioned partially within the outer core. The component is preferably elongated, such as a support post or an impeller shaft. The tension rod applies compression to the outer cover, which makes the outer cover more resistant to breakage if it strikes, or is stricken by, an object.

Abstract: A system for applying tension to a component for use in molten metal processing. Preferably, the component includes an outer core and at least one tension rod positioned partially within the outer core. The component is preferably elongated, such as a support post or an impeller shaft. The tension rod applies compression to the outer cover, which makes the outer cover more resistant to breakage if it strikes, or is stricken by, an object.

Abstract: A blade for a compressor rotor comprises a blade root at a first end of the blade extending from a rotor body of the compressor, and a blade tip at a second end of the blade. The first end and the second end are disposed on a span of the blade. The blade root and the blade tip define a face of the blade between them. The blade tip comprises a first extremity and a second extremity. The blade tip is disposed such that a first segment of the blade tip defines a positive dihedral angle with the face of the blade. The first segment extends from a first point in the blade tip to the first extremity of the blade tip. A second segment of the blade tip defines a negative dihedral angle with the face of the blade. The second segment extends from a second point in the blade tip to the second extremity of the blade tip.

Abstract: A turbo-molecular pump comprises a rotor having rotor blades and a cylindrical section; stationary blades; a plurality of spacers; a stator arranged with a gap from the cylindrical section, a base; a spacer cooling section arranged between a lowest spacer of the stacked spacers and the base, the spacer cooling section having a first flow passage through which coolant flows; a heater for heating the stator; a temperature sensor for detecting a temperature of the stator; a base cooling section for cooling the base, the base cooling section having a second flow passage connected in series to the first flow passage; and a temperature controller for controlling circulation of coolant to the first flow passage and the second flow passage connected in series and energization of the heater to maintain the temperature of the stator at a predetermined temperature.

Abstract: A wall ring for a fan, with a fan wheel, includes at least one heating element for heating the wall ring. The heating element includes an electrically conductive heating layer which is disposed on the inner side of the wall ring facing the fan wheel. The electrically conductive heating layer of the heating element may be configured as an electrically conductive CNT coating having carbon nano-materials.

Abstract: A ventilation assembly having a main housing and a removable cartridge assembly that can be positioned within the main assembly. The main housing can be mounted within an aperture in a wall or ceiling and, in certain examples, can be connected to ductwork and electrical wiring within the wall or ceiling. The cartridge assembly can include a retention feature that can be releasably engaged to the main housing to retain the cartridge assembly within the main housing. The cartridge assembly can include ventilation components such as the motor, fan wheel, capacitor, controller and various combinations thereof. The cartridge assembly can be removed from the main housing by disengaging the retention feature and replaced with a new cartridge assembly or modified elsewhere before being reinserted into the main housing, thereby permitting repairing or upgrading of the ventilation assembly without removing the main housing from the wall or ceiling.

Abstract: A blower 10 includes: a housing 11 having an intake port 16 and a flow passage 22 that communicates with a discharge port 17; an impeller 13 disposed in the housing 11 so that the front surface thereof faces the intake port 16; and a partitioning member 15 that is disposed toward the rear surface of the impeller 13 to partition the inside of the housing 11 into a space 21 in which the impeller 13 is disposed and the flow passage 22. The partitioning member 15 forms a slit d, which has a width w of 1.0 mm or less and extends along the inner peripheral surface of the housing 11, between the partitioning member 15 and the inner peripheral surface of the housing 11.

Abstract: A fan frame body structure includes a fan frame. The fan frame has an air inlet and an air outlet. The fan frame body structure is characterized in that the fan frame is composed of multiple frame layers, which are stacked to form the fan frame. The respective frame layers are made of different materials of different compositions with totally different vibration frequencies. The multiple frame layers of different materials with different vibration frequencies are stacked to form the fan frame so as to greatly reduce the co-vibration of the fan frame and lower the noise.

Abstract: Turbochargers operate at extremely high speed, so balance of the rotating core is of the utmost importance to turbocharger life. A special balancing washer is added to the clamping region between the compressor nut and the nose of the compressor wheel to aid in keeping the wheel, nut, and stub-shaft on the turbocharger axis and to thereby prevent introduction of core unbalance.

Abstract: The invention is for an apparatus and method for pumping of electrically conductive liquids such as liquid metals and electrolytes. The apparatus of the present invention is a self-contained direct current (DC) magneto-hydrodynamic (MHD) pump assembly formed by an upper core assembly, lower core assembly, and a flow channel. The flow channel is formed when the upper core assembly and the lower core assembly are put together. Permanent magnets are used to produce magnetic field inside the flow channel. When the flow channel is filled with electrically conductive liquid, the liquid comes into contact with electrodes within the lower core assembly. The electrodes may be used to draw electric current through the liquid, thereby generating MHD force onto it. As a result, a pressure may be generated within the liquid and/or the liquid may be caused to flow.

Abstract: A construction machine includes: a swing structure (50); a hydraulic pump (1); a hydraulic motor (3) for driving the swing structure (50) using hydraulic fluid from the hydraulic pump (1); an electric motor (14) for driving the swing structure (50) with or without the aid of the hydraulic motor (3); and a hydraulic actuator (16) driven by the hydraulic fluid from the hydraulic pump 1, the hydraulic actuator can be operated together with the swing structure (50). When the swing structure (50) is operated together with the hydraulic actuator (16), only the electric motor (14) is used to swing the swing structure (50).

Abstract: Disclosed herein is a hydraulic control device using a hydraulic actuator. The apparatus includes a hydraulic actuator (110) having a clearance pocket (112), an oil supply line (SL) and an oil discharge line (DL) connected to the hydraulic actuator, a pilot valves (130) provided on each of the oil supply line and the oil discharge line, and a accumulator (140) supplying additional oil to the hydraulic actuator. The hydraulic control device facilitates hydraulic control and makes it possible to control the hydraulic pressure more efficiently and appropriately.

Abstract: A magnet-type rodless cylinder (1) is provided with a guide mechanism having an outer rolling groove (26), an inner rolling groove (29), a cylinder body (32), a pair of connection paths (34) for connecting an area between the outer rolling groove and the inner rolling groove with the cylinder body, and a plurality of steel bails (36) that can roll within an endless circuit (35) formed of the cylinder body, the connection paths and the area between the outer rolling groove and the inner rolling groove, wherein the connection paths (34) are formed at a pair of inner members, i.e. return caps (33), disposed on the inner sides of metal end plates (12) that are attached to the front and rear ends in the sliding direction of a sliding body (4).

Abstract: There is provided a multi-function hydraulic hybrid swing circuit including a fluid source, swing circuit and swing supply circuit. The swing supply circuit includes at least one accumulator and a pump/motor operatively connected to a power source. The pump/motor is fluidly connected to the swing circuit, the accumulator, and the fluid source. The pump/motor is configured to provide both closed loop and open loop operation with the swing circuit.

Abstract: A hydraulic system for a construction machine is provided, which enables a user to set or release a preferential function when an excavation work or leveling work using an excavator is performed.

Abstract: An optical mount for holding an optical element includes a mounting block having an aperture and an optical element adapted to fit within the aperture. A retaining clip is secured to the mounting block and extends across the optical element. The clip is a thin sheet of flexible material comprising contact straps that overlie edge portions of the optical element. The clip is connected to the mounting block by fasteners.

Abstract: A hinge pin joint for facilitating precise separation of the jaws of a spring clip, comprising: a base cylinder with a threaded bore; supports extending laterally out from said base cylinder; pin supports having means for pivoting; and stabilizing wings extending from the pin supports. In one embodiment, the means for pivoting includes pins that are integral with the pin supports and which extend out laterally from the pin support. An alternate embodiment comprises aligned openings in the pin supports into which pins may be inserted. At least one stopper may be disposed on at least one of the pin supports for supporting the upper shell. The stabilizing wings are configured as plates that are semi-rigidly secured in guide structures within the lower shell.

Abstract: A clip for selectively gripping objects includes a first body member having a forward portion, a rearward portion and a middle portion disposed between the forward and rearward portions. The first body member includes an exteriorly facing surface and an interiorly facing surface, with the forward portion including an interiorly facing gripping jaw, and the middle portion including a strengthening member. A second body member includes a forward portion, a rearward portion, and a middle portion disposed between the forward and rearward portion. Second body member also includes an exteriorly facing surface and an interiorly facing surface, a forward portion that includes an interiorly facing gripping jaw, and a middle portion that includes a strengthening member. A biasing member urges the gripping jaws of the first and second body members into engagement.

Abstract: The device utilizes a thruster cylinder driven by a enlarged knob and terminating in a thruster plate to clamp to a support. Provision is made to attach a device to the clamp through a rotating index wheel which can lock the device by receiving a tang from a trigger lever at a selected increment of rotation. A second embodiment has two index wheels so that the attached device can be displaced in one of four directions to avoid conflict with other devices on the same support. The second axis is normally used to return a displaced device to an upright orientation.

Abstract: A retaining clip for at least one elongate element for encompassing the at least one elongate element is disclosed. The retaining clip includes an outer component and an inner component. The inner component is arranged on an inner side of the outer component and connected thereto in a firmly bonded fashion. The outer component features a retraction space for the inner component on its inner side.

Abstract: A joint including: a first component and a second component; the first component includes a bond region and an array of projections extending from the bond region, wherein the projections are embedded in the second component.

Abstract: Provided is a screw fastening structure for fastening a shoulder screw to a thin metal plate member (114). Half-punched portions (141 to 144) are formed radially from a center of a through hole (115) in the thin plate member (114) by half punching so as to be alternately recessed and protruded in a circumferential direction. Further, a threaded portion (133) is formed by tapping in the through hole (115) provided at substantially the center position of the half-punched portions. Then, a member to be fastened (102) is fastened to the thin plate member (114) with a screw.

Abstract: An adapter for mounting an implement to a working arm of a working machine includes an acentric hole for an axis of an implement attachment. The adapter comprises a base element having one or more movement restricting formations, a shaft having a threading, and a nut for tightening the adapter to the implement attachment.

Abstract: A push fastener, comprising: a shaft having a top end and bottom end, the top end integrally connected to a cap; a plurality of barbs spaced along a longitudinal distance of the shaft; and a wedge structure positioned on the shaft between the cap and first barb of the plurality. There is a method of fastening using a push fastener having a shaft including a top end and bottom end, the top end integrally connected to a cap; a plurality of barbs spaced along a longitudinal distance of the shaft; and a wedge structure positioned on the shaft between the cap and first barb of the plurality, the method comprising: inserting the bottom end of the shaft of the push fastener inside a substrate, and applying pressure to the top end of the push fastener.

Abstract: A fastening device and method thereof is described. According to an embodiment of the present invention there is a fastening device comprising an insertion component and a receptacle component. The insertion component and the receptacle component, each includes a barbed outer surface. The insertion component comprises two sections of its barbed outer surface, separated by a flange, such that one section of the insertion components is configured to be inserted inside the receptacle component. A method of fastening a first substrate to a second substrate using a fastening device according to an embodiment is provided comprising pushing the insertion component into a hole in the first substrate, pushing the receptacle component into a hole in the second substrate, and pushing the insertion component into the receptacle component.

Abstract: A fastening element for fastening lining parts has a fastening section for attachment of a lining part thereto, and a locking section adapted to lock with a carrier for the fastening element. The locking section includes at least one locking tab. The locking tab has a release tab provided thereon for engagement by a tool for shifting the locking lab to a release position.

Abstract: A thread connection, in particular for connecting components of an injection device for internal combustion engines which conduct a high pressure medium, includes a first component and a second component. The first component has an inside thread, and the second component has an outside thread configured to be screwed into the inside thread. The second component is configured such that a face of the second component is tensioned against a contact surface of the first component upon tightening the thread connection. The first component has an axial region between the contact surface and a first convolution of the inside thread wherefrom material has been removed up to a diameter that exceeds an outside diameter of the inside thread.

Abstract: A method produces an assembly unit containing an assembly part having a bore and a sleeve which has a sleeve shaft. The sleeve has a terminal flange that overhangs the sleeve shaft toward the outside, and the sleeve shaft is plugged into the bore. The flange bears against the outer side of the assembly part. A gap between the sleeve and the assembly part is filled with an insulating compound. To produce the assembly unit, the sleeve shaft of a sleeve blank, the flange of which has a preassembly form such that an outer rim of the flange extends in a plane that extends at right angles to the longitudinal center axis of the sleeve shaft such that the flange underside is concave, is plugged into the bore. The sleeve blank deforms such that the insulating compound located between the flange and the assembly part is displaced into the gap.

Abstract: A fixture for mounting on a support structure having an outer surface and an inner surface defining a thickness, with a bore therethrough, comprising: a tubular body, having a top section and a bottom externally threaded section; a retaining sleeve with flange, having a lower portion, the bottom surface thereof larger than the bore; a drop down ring; a keeper body, having an internally threaded circular passageway, including a ring shaped upper part having an outside surface and an outside diameter slightly smaller than the diameter of the bore, and a lower part having a smaller diameter than said upper part, the retaining sleeve with flange, drop down ring, and keeper body sized for placing onto the tubular body; and pivotable, rotatable ears having an upper edge and a lower end providing a stop, mounted to the upper part of the keeper body.

Abstract: Aspects of the present invention provide a theft-resistant cable clamp that increases the time and effort required to remove the cable from the irrigation equipment, thereby deterring thieves As the extensions that protrude from the cable-reception loop are forced together, the walls of the cable-reception loop compress against the cable. Openings in the extensions on the cable clamp allow the cable clamp to fit over a component of the irrigation equipment. A plurality of teeth can protrude from the perimeter of an opening to grip the exterior of the component. A coupler or other component may have a groove into which the teeth engage when the cable clamp is in a final location on the component.

Abstract: A metallic locking washer is configured to be mounted in a screw/nut system to engage between a nut and a bearing element. The metallic locking washer has a contact face suitable for coming into contact with one or the other of the nut and the bearing element. The contact face has a surface that is suitable for being brought along in friction against one or the other of the nut and the bearing element when the nut loosens. The contact face is coated, by thermal projection of an additive material, with a rough coating forming a rough surface, which increases the friction forces between the contact face of the metallic washer and one or the other of the nut and the bearing element.

Abstract: The present invention provides a fastening device that allows an attachment operation to be simply and easily performed even by a single person, is capable of fastening and fixing with certainty, and is capable of reducing cost. A fastening device is configured by: a bolt in which a right screw is formed on one end portion and a left screw is formed on another end portion; a jig engaging section that is formed on one end portion or both end portions of the bolt such as to be capable of being rotated using a jig that rotates the bolt; and a right screw nut and a left screw nut that respectively screw onto the right screw in the one end portion of the bolt and the left screw in the other end portion.

Abstract: A bolt and cap assembly for mounting a plumbing fixture includes a flanged nut, a bolt, a washer, and a cap. The flanged nut includes a flange and a sleeve extending therefrom. The bolt includes a substantially planar head and a shaft extending therefrom. The shaft is configured to threadably engage the flanged nut to couple the plumbing fixture to a mounting flange. The washer is configured to be positioned between the bolt and the flanged nut. The cap is configured to be removably coupled to the washer and to encase the substantially planar head of the bolt between the washer and the cap so as to conceal the substantially planar head from view and to prevent fluid from entering an area between the cap and the washer.

Abstract: A wheel suspension bearing is disclosed as being arranged on a member of a motor vehicle, with a bearing bushing and a bearing bushing carrier. The bearing bushing carrier incorporates the bearing bushing and is designed to be situated in the member of the motor vehicle. A wheel suspension bearing assembly, as well as a correspondingly equipped motor vehicle is also disclosed.

Abstract: A thrust bearing includes: a top foil formed of top foil pieces which face a thrust collar; a back foil formed of back foil pieces which support the top foil pieces; and a base plate including support areas which support the back foil pieces. A support area includes an inclined surface defined by a first boundary line and by a second boundary line disposed on a trailing side of the first boundary line in the rotational direction of the thrust collar. The height of the inclined surface gradually increases from the first boundary line to the second boundary line. In addition, a back foil piece is disposed within the inclined surface which is formed continuously from the first boundary line to the second boundary line.

Abstract: A bearing system, which may be used particularly for hot-air valves, comprising a fixed roller bearing and a floating roller bearing is provided wherein a spherical shape of the inner raceways of each bearing, a spherical shape of the rollers of each bearing, a spherical shape of the fixed bearing's outer raceway and a cylindrical shape of the floating bearing's outer raceway may enable the bearing system to compensate for all mechanically and thermally induced deflections and linear expansion of a valve's shaft relative to the valve's housing, thus reducing a risk of shortening the useful lifetime of either the fixed roller bearing or the floating roller bearing.