Abstract: The fan (20) includes: a drive motor (26), a shaft (28) coupled to the drive motor (26), a wheel (30) supported by the shaft (28), a support structure (24), including: an outer body (38), a duct (40) including a sidewall (48), the duct (40) defining, with the outer body (38), an inner space (50), and a housing (46) situated in the inner space (50) and in contact with the sidewall (48), the housing (46) defining an inner volume, a ball bearing (32, 34) inserted between the shaft (28) and the support structure (24), and a sensor (36) for measuring a mechanical parameter representative of the dynamic behavior of the bearing (32, 34), the sensor (36) being positioned in the inner volume defined by the housing (46).

Abstract: A circulation pump assembly (2) includes an electric drive motor (6) and a control device (10) integrated into the circulation pump assembly (2). At least one internal temperature sensor (16) is arranged in the circulation pump assembly (2) and detects the temperature of the medium delivered by the circulation pump assembly (6) and issues a corresponding temperature signal (42) to the control device (10). The control device (10) is configured, on the basis of the temperature signal (42) of the internal temperature sensor (16), to approximately determine the temperature of the liquid in a liquid storage means (26) which is connected to the circulation pump assembly (2) via a heating circuit (28).

Abstract: A turbopump includes a turbine fed with hot gas, a pump driven by the turbine and fed with liquid fluid, and a hot gas exhaust pipe situated downstream from the turbine. The turbopump includes a bleed-and-injection circuit including a bleeder for bleeding the liquid fluid at the outlet from the pump, a heater for heating the liquid fluid as bled off in this way so as to transform it into gaseous fluid, and an injector for injecting the gaseous fluid into an interface region of the turbopump situated between the pump and the turbine, so as to optimize the flow and temperature conditions of the fluid entering into the turbine cavity in order to eliminate the vibratory phenomena that result from interaction between the fluid and the turbine disk.

Abstract: A compressor includes a rotor rotating about an axis thereof; a rotor casing surrounding the rotor from an outer circumferential side of the rotor and forming a main flow passage of a fluid between the rotor; an extraction-chamber casing provided at an outer circumferential side of the rotor casing, and forming an extraction chamber that communicates with the main flow passage between the rotor casing; and an extraction nozzle connected to the extraction-chamber casing from an outer circumferential side of the extraction-chamber casing and guiding the fluid inside the extraction chamber to an outside of the compressor. A gap in a radial direction between the extraction-chamber casing and the rotor casing is larger at a side of the extraction nozzle in a rearward rotation direction of the rotor than at a side of the extraction nozzle in the forward rotation direction of the rotor.

Abstract: A dynamic pressure bearing apparatus includes a bearing portion, a shaft, a radial dynamic pressure bearing portion, and a seal gap. An annular member arranged in an annular shape, fixed to the shaft axially between the seal portion and the attachment surface, and arranged to extend radially outward beyond an opening of the seal gap. A minute horizontal gap extending radially is defined between an upper surface of the bearing portion and a lower surface of the annular member. The seal gap is arranged to be in communication with an exterior space through the horizontal gap.

Abstract: An apparatus comprises a gas turbine engine having a compressor. The compressor airfoil member is disposed in the compressor and has a camber angle variation along a chord and a concave pressure side surface at a tip portion of the compressor airfoil member from a leading edge to an intermediate-chord location. This first camber shape results in a normalized camber angle that reaches at least 0.4 in the first 10% of normalized chord, and the normalized camber angle is defined as ? ? = ? i - ? ? i - ? e where ?i is inlet metal angle, ?e is exit metal angle, and ? is a camber angle at a given chord location.

Abstract: A ceiling fan blade includes a foamed layer, two paper layers, and two cover layers. The foamed layer is formed by foaming a polyvinyl chloride material. The paper layers are positioned on two opposite faces of the foamed layer respectively The cover layers are positioned on the paper layers respectively so that each paper layer is sandwiched between the foamed layer and one of the cover layers. Thereby, the ceiling fan blade is light-weight, low-cost, and easy to manufacture. In addition, energy to rotate the ceiling fan is reduced.

Abstract: A pre-diffuser and exit guide vane (EGV) system for a gas turbine engine includes an annular EGV assembly containing a number of guide vanes and having an annular opening bounded by a radially inner annular sealing surface at a first radius and a radially outer annular sealing surface at a second radius. First and second seals substantially matching the first and second radii respectively join the EGV assembly to an annular pre-diffuser having an annular opening bounded by radially inner and outer annular sealing surfaces at substantially the first and second radii. The seals seal the inner sealing surface of the EGV assembly to the inner sealing surface of the pre-diffuser and the second seal seals the outer sealing surface of the EGV assembly to the outer sealing surface of the pre-diffuser, such that the EGV assembly annular opening is in fluid communication with the annular opening of the pre-diffuser.

Abstract: The present disclosure relates generally to the field of variable geometry guide vanes for gas turbine engines. More specifically, the present disclosure relates to a plastic variable inlet guide vane for a gas turbine engine.

Abstract: A method for the positioning of a cover disk with respect to an open impeller of a pump arranged in a pump housing. An adjustment bolt is first screwed so far into a threaded bore of the cover disk until it comes into contact with the pump housing. An identifier is subsequently applied which indicates a position of a first marking of the adjustment bolt. The adjustment bolt is then screwed in further until a second marking reaches the identifier. The described steps are repeated for at least one further adjustment bolt.

Abstract: A pump and a cleaning apparatus are provided. The pump includes a pump housing having a pump chamber, an inlet and an outlet in communication with the pump chamber, an impeller rotatably disposed in the pump chamber, and a motor for driving the impeller. The motor includes a stator, a rotor rotatable relative to the stator, and a motor cover body fixed to the pump housing. The motor cover body includes a sidewall connected to the pump housing, the pump housing includes at least one pair of positioning protrusions, and the sidewall is inserted between the pair of positioning protrusions.

Abstract: A blower apparatus of the type which comprises a body housing with air inlet and outlet ends, a cylindrical motor casing assembled within the body housing in such a manner as to permit therethrough airflow introduced into the air inlet end of the body housing and exhausted outwardly from the air outlet end of the body housing, an electric motor mounted within the motor housing, an axial-flow fan having a plurality of fan blades attached on a rotary drive shaft driven by the electric motor, wherein the number Z of fan blades of the axial-flow fan and the rated rotation speed n (r/s) of the rotary drive shaft under maximum power in normal operation of the blower apparatus are determined to satisfy the following correlation Z·n?2000 (provided, n>160).

Abstract: The purpose of the present invention is to provide a pump device that has a function to separate foreign matter from a working fluid in which foreign matter is mixed and that is capable of supporting a large working fluid flow rate. The present invention includes a first pump that is provided above a working fluid reservoir, and a second pump that has a rotary shaft that is concentric with a rotary shaft of the first pump and that is provided further down than an inlet of the first pump. A centrifuge filtration device having functionality to separate foreign matter from the working fluid is provided in an area below the inlet of the first pump and above the second pump, and the centrifuge filtration device is disposed so that the inner diameter on the second pump side is large and the inner diameter on the first pump side is small.

Abstract: A device according to the present invention comprises: a tubular body (2) and a first attachment means (6), a piston (30) provided with a rod (12) connected to a second attachment means (10), the piston (30) sliding inside the tubular body (2) and defining inside said body a working chamber filled with hydraulic fluid, an accumulator comprising a rigid shell (20) inside of which a separation means (40) is located, defining a compensation chamber (42) that is filled with hydraulic fluid and is in communication with the working chamber, and a chamber (47) filled with pressurized gas, the rigid shell (20) being a metal shell produced by means of welded assembly and the accumulator being made such as to obtain an entirely welded enclosure (47) containing the gas.

Abstract: The invention relates to an system for supplying a hydraulic circuit with hydraulic fluid. The system includes a working reservoir and an auxiliary reservoir connected to the working reservoir by a hydraulic line. An air pump has an inlet connected to a suction line that opens into a liquid-free portion of the auxiliary reservoir so that a negative pressure can be built up in the auxiliary reservoir relative to the atmospheric ambient pressure. The air pump inlet is also connected to a control line, which comprises a control opening which is covered by the hydraulic fluid in the working reservoir, at least before the air pump is started up.

Abstract: A variable pressure control system for varying pressures in the fluid circuits of a dual acting actuator over a range of pressures. The variable pressure control system includes a controller that cooperates with pressure regulators for regulating the desired pressure in the fluid circuits.

Abstract: A spindle of an oil hydraulic cylinder includes a main body and a circular ring shaped copper coat. The main body defines a central axis and has a large diameter segment and a small diameter segment integrally extended from the large diameter segment. The copper coat is brazed on an outer surface of the large diameter segment. The center of the copper coat is arranged at the central axis, and the radius of the spindle is greatest at a portion of the spindle coated by the copper coat. The abrasion resistance of the copper coat is greater than the abrasion resistance of the main body. Thus, the spindle of the instant disclosure is a composite structure and is provided for reducing abrasion. Additionally, the instant disclosure also provides an oil hydraulic cylinder.

Abstract: In one aspect, a circlip includes a circlip body defining (i) a first end surface, (ii) a second end surface spaced circumferentially from the first end surface so as to define a gap between the first and second end surfaces, and (iii) an outer curved surface defining an outer perimeter of the circlip body. The outer curved surface extends from the first end surface to the second end surface. Further, the circlip includes at least one row of teeth defined at the outer curved surface, and extending from at least one of the first and second end surfaces circumferentially along a direction away from the gap. When installed in a circlip groove, the teeth engage the circlip groove to limit rotation of the circlip within the groove.

Abstract: An exemplary method of adjustably mounting a first component to a second component includes, among other things, securing the first component to the second component with a linking member, and selectively adjusting the temperature of a variable portion of the linking member to change a size of the linking member.

Abstract: An assembly for, for example, a photo collage featuring first (1) and second elements (3), with the first elements (1) containing a flat panel and the second elements forming coupling members (3) to interconnect the first elements. The first elements (1) feature as openings (2) near a corner of the flat panel at least two notches (9) in the edges and the coupling member features at least two complementary protrusions (5) that work together with the notches (9).

Abstract: A mechanism and method for assembling a base to a piece of furniture is provided with at least two cams having complimentary interlock mechanisms constructed and arranged to interlock one to another.

Abstract: Generally discussed herein are systems, apparatuses, and methods that relate to an attachment device. According to an example, a device may include an elongated shaft including a top portion, a central portion, and a bottom portion, the central portion between the top portion and the bottom portion, a first fastener in the bottom portion of the shaft, a second fastener in the top portion of the shaft, the second fastener having an adjustable fastening location along the top portion of the shaft, and a spring situated between the first fastener and the second fastener such that a spring force of the spring varies depending on a selected fastening location on the second fastener.

Abstract: A fastener includes a body having deformable first end, a second end, and a passage extending through the body between the first and second ends. The fastener further includes a corebolt having first and second ends and a region of reduced diameter disposed between the first and second ends and a sleeve having first and second ends, the second end having a bulbing portion. The corebolt is disposed within the sleeve and the body with the first end of the corebolt in engagement with the first end of the sleeve and the first end of the body disposed adjacent the second end of the sleeve. The bulbing portion is adapted to form an enlarged blind head when the corebolt is rotated in relation to the sleeve. The first end of the body is adapted to deform radially inwardly into the region of reduced diameter.

Abstract: Aspects of the disclosure are directed to a bolt assembly comprising: a ceramic fastener, and metal threads coupled to the ceramic fastener. Aspects of the disclosure are directed to a system comprising: a panel configured to provide thermal insulation, and a bolt assembly coupled to the panel, the bolt assembly comprising: a ceramic fastener, and metal threads coupled to the ceramic fastener.

Abstract: The invention concerns a metal attachment for providing an electrically conductive surface through the entire thickness of structural elements to be assembled. The attachment thereby comprises a head (12)and a smooth shank (14) extending along an axis of revolution, characterized in that the shank comprising at least one conductive portion (24) and one lubricating portion (22) disposed along the axis of revolution of the attachment along at least one length of the shank. The attachment according to the invention provides a conductive surface through the entire thickness of the structure in which it is installed. The attachment according to the invention is intended, in particular, for aeronautical applications.

Abstract: A threaded fastener is provided in which a head bearing surface can be in full intimate contact with a counterpart. The threaded fastener is provided with a head (10), and a screw shank (20) extending from the head (10). The screw shank (20) is provided with a parallel thread portion (22) having a complete screw thread formed therein, a neck portion (24) having no screw thread, a transition thread portion (26) having an incomplete screw thread formed to extend from the parallel thread portion (22) toward the neck portion (24) with its root diameter being the same as that of the complete screw thread and with its thread height gradually becoming lower to reach the neck portion, and an underneck rounded portion (28) formed in a corner angle portion between the neck portion (24) and a head bearing surface (11), wherein the neck portion (24) is work hardened with its diameter being narrowed from a root diameter of the parallel thread portion (22).

Abstract: In accordance with a first aspect of the present disclosure, a method of assembling a first automobile component relative to a second automobile component is provided. The method includes providing a cage fastener assembly that includes a cage and a first fastener. The cage includes a cavity, and the first fastener includes a head portion and a threaded shank portion. The head portion is at least partially disposed within the cavity. The threaded shank portion extends from the cavity along a longitudinal axis. The method also includes fixedly coupling the cage to the first automobile component such that the longitudinal axis extends in a substantially horizontal direction during first and second automobile component assembly. The method further includes positioning the threaded shank portion through an aperture of the second automobile component such that a full weight of the second automobile component is supported by the shank.

Abstract: A retainer device, for positioning a threaded nut relative to a bore in a component for attachment of a threaded bolt, having a housing member for receiving a threaded nut and a support member that is attachable to the housing member so as to attach the housing member to the component by clamping the component between opposed surfaces of the housing member and the support member, wherein the support member is attachable to the housing member in a plurality of positions in which the distance between the opposed surfaces of the support member and the housing member is varied.

Abstract: A spark containment cap is disclosed for enclosing an end of a fastener protruding from a structure. The cap includes a cap body having an annular base terminating at a rim which surrounds an opening into an air cavity arranged to enclose the fastener end and having an aperture in fluid communication with the cavity. An annular bead of uncured sealing material is provided around the opening into the cavity, the bead of sealing material being curable to provide a seal between the cap body and the structure to seal a volume of gas within the cavity. A closure member has a closed configuration in which it seals the aperture, and an open configuration in which it does not seal the aperture.

Abstract: A threaded hook or eye loop has a tool receptacle at the end of the threaded shank with the hook or loop configured for rotary insertion with a power tool or hand tool that directly rotates the threaded shaft.

Abstract: The present invention relates to a vacuum triple-structure suction plate, and more particularly, to a vacuum triple-structure suction plate that is detachably attached to the walls in a bathroom or a kitchen by vacuum pressure and has a suction plate 110 recessed downward so that when the suction plate 110 is pulled up to be sucked by vacuum, the bottom is brought in close contact with a surface from the middle portion into a vacuum state and is then completely brought in close contact with the surface by stress in the body 300.

Abstract: A pad structure includes a main body made of soft material. The main body has an axial surface, a suction surface, and a peripheral surface. The axial surface is provided for being pressed by a pressing member of the sucking disc. The suction surface is provided for sucking on a target object. The axial surface includes a lifting portion and a pressure bearing block. The pressure bearing block is hard and circular shaped. The portion of the main body between the lifting portion and the pressure bearing block is defined as a deformable portion. The portion of the main body below the pressure bearing block is defined as an undeformable portion. The undeformable portion is located at the outer periphery of the main body. The deformable portion is located between the lifting portion and the undeformable portion.

Abstract: A connecting rod (1) has a small end (2) that is connectable rotatably to a piston, a connecting rod big end (3) that is connectable rotatably to a crankshaft, and a shank (4) between the ends (2, 3). The connecting rod big end (3) has a big end (5) and a connecting rod bearing cover (6) that can be screwed to the big end (5). Through bores (7) penetrate the cover (6) and threaded bores (8) penetrate the big end (5) in alignment with the through bores (7). Screws (9) penetrate the through bores (7) and screw into the threaded bores (8). A recess (10) is in the region of the respective threaded bore (8) on its side that faces away from the connecting rod bearing cover (6) and is directed toward the connecting rod big end (3) and is eccentric with respect to the thread axis (11).

Abstract: The invention provides a bearing device, including a crankshaft, a pair of half bearings each having crush reliefs formed adjacent to both circumferential ends thereof, a bearing housing in which a retaining hole is formed for retaining the pair of half bearings, and one half thrust bearing having a semi-annular shape arranged adjacent to the retaining hole. The half thrust bearing includes thrust reliefs formed adjacent to both circumferential end portions of a sliding surface receiving an axial force of the crankshaft so that its wall thickness is made thinner toward the circumferential end surface, and a thrust relief length at an inner end portion of the thrust relief positioned on a rear side in the crankshaft rotational direction is formed to be larger than a thrust relief length at an inner end portion of the thrust relief positioned on a front side in the crankshaft rotational direction.

Abstract: This assembly includes a ball joint assembled in a casing, and receiving an axle capable of sliding and/or rotating therein. The ball joint is formed from the winding of a fabric of small thickness ranging between 20 ?m and 150 ?m and mixed with a resin comprising fillers. The fabric has the form of strips having a width ranging between 5 mm and 200 mm; the strips being crossed in several layers.

Abstract: An end fitting connector assembly includes an end fitting having a first end, a second end and a through opening that extends in a direction that is transverse to an end fitting axis extending through the first and second ends and in which the through opening is defined by a peripheral wall. An elastically deformable race fitted into the through opening of the end fitting includes an exterior surface that engages the peripheral wall and an interior surface configured to provide snap fitting engagement with a spherical ball mount. At least one feature retaining the race within the end fitting creates an increased disassembly force, which may prevent disassembly without employing a release tool or release feature. The interior and exterior surfaces of the race can include spherical surfaces for conforming to the spherical ball and the peripheral wall of the end fitting.

Abstract: Provided is a tilting pad type journal bearing capable of reducing the amount of oil that has to be supplied to the bearing. A bearing comprises nozzles 5 which are each arranged between pads 2 to supply lubricating oil to sliding surfaces 14 of the pads 2. The sliding surface 14 of each of the pad 2 is formed so that the width of the sliding surface 14 increases as it goes from a front edge part towards a rear edge part thereof. A tip end part of each of the nozzles 5 has a groove part 18 which induces a flow heading from lateral parts towards the center in the width direction, in an oil flow from the rear edge part of the sliding surface 14 of an upstream pad 2 to the front edge part of the sliding surface 14 of a downstream pad 2.

Abstract: Provided is a tilting pad bearing capable of suppressing the temperature rise of sliding surfaces of pads and reducing the amount of oil that has to be supplied to the bearing. The tilting pad bearing comprises: a bearing housing 4; a plurality of pads 2 which are arranged to be pivotable with respect to the bearing housing 4; a channel 31 which is formed in each of the pads 2; a first nozzle 9 which is formed in each of the pads 2, connects with the channel 31, and is open on a rear end surface 8 of the pad 2; and a second nozzle 10 which is formed in each of the pads 2, connects with the channel 31, and is open on a rear edge part of a sliding surface 5 of the pad 2.

Abstract: A tilting-pad bearing for rotatably supporting a rotor includes: a casing; and a plurality of bearing pads each mounted to the casing pivotably about a pivot. Each of the plurality of bearing pads has a bearing pad surface facing the rotor, the bearing pad surface including a first region disposed on an upstream side in a rotational direction of the rotor and having a first curvature radius, and a second region disposed on a downstream side of the first region in the rotational direction and having a second curvature radius smaller than the first curvature radius.

Abstract: The invention provides a thrust bearing for receiving an axial force of a crankshaft of an internal combustion engine. The thrust bearing includes a pair of half thrust bearings having a semi-annular shape that form an annular shape by abutting their circumferential end surfaces. Each half thrust bearing include thrust reliefs formed adjacent to both circumferential end portions of a sliding surface receiving the axial force so that a wall thickness is thinner toward the circumferential end surface. A thrust relief length L2 at an inner end portion of the thrust relief positioned on a rear side of one of the half thrust bearings in a rotational direction is larger than a thrust relief length L1 at an inner end portion of the thrust relief positioned on a front side of the other of the half thrust bearing in the rotational direction.

Abstract: A sensor device for monitoring a component of interest, including at least one sensor for measuring at least one parameter indicative of condition of the component of interest, signal processing device for processing the signals of the sensor, a housing for at least the signal processing device and a mounting feature for mounting the sensor device close to the component of interest. The mounting feature can include a bolt and bracket having a first portion including an opening for inserting the bolt in an insertion direction and a second portion with a surface parallel to the insertion direction configured to mount the housing.

Abstract: When an attachment circular-cylinder section coupled to one axial line direction end portion of a mainbody circular-cylinder section of a grommet is inserted into an opening portion in an upper frame, engagement claws formed at an outer periphery of the attachment circular-cylinder section engage with a peripheral edge portion of the opening portion by elastically deforming, enabling the grommet to be attached to the upper frame. When a seatback spring is passed through the grommet, a retaining section formed at an inner peripheral portion of a boundary between the mainbody circular-cylinder section and the attachment circular-cylinder section retains the seatback spring.

Abstract: One embodiment describes a rotary machine system, which includes a stator with a first tooth, a second tooth, a third tooth, and a fourth tooth; a first electromagnet that includes a first electromagnet wire wrapped around the second tooth and the third tooth and that generates a first magnetic field to attract a drive shaft; a first integrated position sensor, which includes a first sensor wire that carries a first current wrapped around the first tooth and the second tooth; a second integrated sensor, which includes a second sensor wire that carries a second current wrapped around the third tooth and the fourth tooth; and a controller that determines current position of the drive shaft based at least on change of inductance of the first sensor wire and the second sensor wire, and that instructs the first electromagnet to adjust magnitude of the first magnetic field based at least in part on the current position.

Abstract: Embodiments of a bearing having integrally formed parts are provided herein. In some embodiments, a damper assembly of a gas bearing may include a housing having a fluid filled cavity formed therein; a compliant seal disposed within an opening of the cavity to seal the cavity; a damper plunger disposed within the cavity, wherein the damper plunger is movable within the cavity; and a bearing pad disposed outside of the cavity and coupled to the damper plunger, wherein the damper plunger and bearing pad are integrally formed with one another.

Abstract: A roller bearing according to an embodiment comprises a first roller bearing ring comprising at least one raceway, a second roller bearing ring comprising at least one raceway, a plurality of rolling elements arranged between the raceways of the first roller bearing ring and the second roller bearing ring and at least one retaining flange detachably mounted onto the first roller bearing ring. Employing an embodiment may simplify at least one of manufacturing and assembling the roller bearing.

Abstract: The invention relates to an outer ring (16) for a roller bearing including a raceway produced from a bearing steel. According to the invention, the outer ring (16) is made of a metal strip (1, 5) wound to form a raceway tube (4, 12, 14) 5) and a cladding tube (9, 13, 15, 17) which is connected thereto and which surrounds the raceway tube (4, 12, 14) on the outer side.

Abstract: A seal for a spherical bearing has an annular body portion having an arcuate cross section extending between a first axial end and a second axial end. The second axial end is positioned radially outward from the first axial end. The seal includes retaining ring positioned proximate the second end. The seal includes a scraper seal extending radially inward from the second end.

Abstract: A tapered roller bearing including: an inner ring; an outer ring; a plurality of tapered rollers; and a retainer. A small diameter side annular portion is formed in an end portion of the retainer located on a small diameter side of an inner ring raceway surface. A seal member having hardness lower than that of the retainer is provided on the small diameter side annular portion. The seal member includes a lip portion which slide-contacts or is positioned close to at least one circumferential surface of an outer circumferential surface of the inner ring and an inner circumferential surface of the outer ring.

Abstract: A rolling bearing comprising an outer ring, an inner ring, at least one row of rolling elements disposed radially between the rings, at least one sealing flange mounted in a manner to bear axially against a front surface of one of the rings, and a feature for fixing the sealing flange to the ring. The fixing feature at least locally covers a region of the front surface of the ring that is left free by the sealing flange and a part of the flange that is adjacent to the region. The fixing feature is annular.

Abstract: A rolling bearing comprising an outer ring, an inner ring, at least one row of rolling elements that are disposed radially between the rings, at least one seal forming a first sealing component that is fixed to one of the rings and engages with the other ring, and at least one flange forming a second sealing component that is fixed to the other ring and is offset axially with respect to the seal on the outer side of the bearing. At least one of the first and second sealing components comprises at least two annular ribs, the other sealing component being mounted axially in contact therewith. At least one closed annular space is delimited by the ribs and by the other sealing component. At least one lubricant is disposed inside the space.