43results about How to "Reduce radial stress" patented technology

A blade fixing and blade mounting slot arrangement for a gas turbine engine has a mismatch fit along a portion of the length of the blade fixing and slot where contact stress would otherwise be maximal.

A turbomachine stator vane having a leading edge, a trailing edge, and pressure side and suction side faces, a first and a second series of a plurality of holes, calibrated emission holes, and a perforated open liner defining an annular cavity between an outside wall of the liner and an inside wall of the vane, an air opening for feeding cooling air to the inside of the liner, and an air exhaust opening for exhausting cooling air from the vane, the liner being secured to the vane at one end and being free at another end to slide along an inside edge of the vane under the effects of relative thermal expansion between the liner and the inside wall of the vane. The holes through the liner in the second series of holes are disposed to avoid any impact of the cooling air against the bridges of the vane.

A catheter may include a multiple lumen catheter tube, a hub attached to the catheter tube, and a first extension leg and a second extension leg attached to the hub. The multiple lumen catheter tube may include a longitudinal axis, an end, a first lumen, and a second lumen. The first lumen and the second lumen extend through the catheter tube along the longitudinal axis and each having an opening. The end of the catheter tube and the openings of the lumen may be disposed within the hub so that the opening of the first lumen is axially spaced with the end of the catheter tube. The first extension leg may be coupled to the first lumen and the second extension leg may be coupled to the second lumen for the separate delivery of fluids to the lumens.

A geared motor includes a motor and a reduction drive. The reduction drive includes a gear housing, a speed reduction-output member, and a restriction portion. The gear housing includes a support shaft. The speed reduction-output member includes a reduction gear, an output gear meshed with an input member, and an accommodation recess. The speed reduction-output member is rotationally supported by the support shaft. The restriction portion is configured to restrict movement of the speed reduction-output member relative to the support shaft. The restriction portion is located between an outer circumferential surface of the support shaft and an inner circumferential surface of the accommodation recess. The restriction portion is located in an axial direction of the support shaft at a position that differs from a portion where the speed reduction-output member abuts in a radial direction against the input member.

The invention discloses a combined anchorage device for a fiber reinforced composite inhaul cable. The combined anchorage device comprises a steel sleeve, a sleeve cavity of the steel sleeve is divided into a flat section and an oblique section, an anchor plate is arranged at the tail end of the steel sleeve, limiting plug pins for fixing are arranged on the sleeve wall of the steel sleeve, a plurality of conical holes are formed in the anchor plate and internally provided with integrated wedge-shaped clamping pieces, a split plate is arranged at the front end of the steel sleeve, one ends offiber reinforced composite bars penetrate into the steel sleeve from the split plate and penetrate out from the integrated wedge-shaped clamping pieces, the part, between the anchor plate and the split plate, in the sleeve cavity is filled with glue, and a grouting hole is formed in the sleeve wall of the steel sleeve. During preparation of the anchorage device, pre-tensioning is conducted firstly, gaps between the integrated wedge-shaped clamping pieces and the anchor plate as well as between the integrated wedge-shaped clamping pieces and the fiber reinforced composite bars are eliminated, then pre-tensioning force is withdrawn, the glue is injected into the sleeve cavity, the limiting plug pins are taken out before tensioning construction, and thus anchorage device preparation is completed. The combined anchorage device is good in anchorage effect, the 'notch effect' is lowered, and the risk of creep relaxation is reduced.

The invention provides a reinforced hoop for a vaporization cooling flue. The reinforced hoop comprises a shroud ring (2) and a hoop plate (7) which are vertically arranged on the outer surface of a flue (1) in a sleeving manner; each of the shroud ring (2) and the hoop plate (7) is formed by splicing four sector arc segments; the four arc segments of each of the shroud ring (2) and the hoop plate (7) are vertically and correspondingly distributed; every two adjacent arc segments are connected by an elastic assembly; outward-protruded hoop ears A (4) are vertically arranged on two sides of each segment of the shroud ring (2); outward-protruded hoop ears B (8) are vertically arranged on two sides of the bottom of each segment of the hoop plate (7); a round hole A (5) and a round hole B (9) are separately formed in the center of each hoop ear A (4) and the corresponding hoop ear B (8); a plurality of guide rings (3) are symmetrically distributed in the circumferential direction of the shroud ring (2); guiding shafts (6) matched with the guide rings (3) are symmetrically distributed in the circumferential direction of the hoop plate (7). The reinforced hoop provided by the invention can release radial deformation stress and axial deformation stress of the flue while the rigidity of the flue is enhanced; the reinforced hoop is simple to assemble and disassemble, and high in practicality.