119results about How to "Eliminate bending" patented technology

Novel apparatus and minimally invasive methods to treat atrioventricular valve regurgitation that is a result of tethering of chordae attaching atrioventricular valve leaflets to muscles of the heart, such as papillary muscles and muscles in the heart wall, thereby restricting the closure of the leaflets. Catheter embodiments for delivering and positioning chordal severing and elongating instruments are described.

Disclosed is a bumper structure adapted to be attached to a front end of a vehicle, which is capable of preventing a fine member from being bent downward by its own weight after integrally forming a bumper body and a grill portion together, and avoiding a problem about deterioration in appearance of the grill portion which would otherwise be caused by the fin support remaining within the grill portion, so as to provide drastically enhanced appearance of the grill portion. A fin support (5, 5, 6, 6) is formed to allow an distal end thereof to extend toward an open zone on the upper side of an opening (X), and folded about a thin-wall portion (5a, 6a) in such a manner as to be engaged with an engagement pin (3a, - - - , 3a) at an edge of the opening (X) to support the fin member (4). After resin is cooled, thin-wall portion (5a, 6a) is cut off to remove the fin support (5, 5, 6, 6) from the inside of the opening (X).

The invention discloses a pneumatic high pressure regulating valve. The pneumatic high pressure regulating valve comprises an executing mechanism and a valve part which is arranged under the executing mechanism, wherein the valve part comprises a valve body; an inlet runner and an outlet runner are arranged in the valve body; and an angle formed between the inlet runner and the outlet runner is 120 degrees. The pneumatic high pressure regulating valve disclosed by the invention has the advantages as follows: as the plurality of special structural designs are adopted, applicable pressure difference of the valve is very high and cavitation phenomenon is completely eliminated; sensitive action and high response speed are obtained and the pneumatic high pressure regulating valve can be freely closed and opened and can be tightly closed when meeting very high fluid pressure difference; a side flange and a valve cage of the specially designed valve body can be also used for guiding fluid, buffering fluid pressure and protecting a valve core against being damaged by fluid ablation, flash evaporation and cavitation; meanwhile, noises can be also reduced; simple and rapid maintenance and low cost are also obtained; the service life is obviously prolonged; and the pneumatic high pressure regulating valve is especially suitable for automatically controlling high temperature and high pressure mediums with high pressure differences and is safe and reliable in use. The pneumatic high pressure regulating valve disclosed by the invention is especially incomparable with other valves in advantages when being used for places with high pressure urea and other easily crystallized mediums.

The invention discloses an integral forging near net shaping process for a triple gear block. The process is characterized by comprising the following steps of: blanking and preparing blank; extruding a handle part in a forward direction; pre-upsetting; extruding to obtain a small gear; performing spheroidizing; performing saponification of phosphorus; and extruding to obtain a large gear. The adopted technological scheme has the advantages that: (1) the triple gear block is subjected to integral forging near net shaping; (2) a bevel gear is pre-set, and a material at a tooth space is extruded out, so that the disadvantage of folding caused by pressing a spoke wheel during rear-pass warm forging is avoided; (3) a large straight gear is obtained through cold extrusion, and positioning orientation is adopted, so that the coaxiality and the position of a bevel gear mold and a large straight mold are guaranteed; and by using a lower pressure block, a spoke plate is prevented from being deformed due to gear extrusion, the disadvantages of gear root bending, gear face galling, and damage to a gear mold are eliminated, and in the tooth profile, the undercutting caused by hobbing is avoided.

The related halogenless low-smoke fire retardation armoured cable comprises: between the dual-layer open lapping tape armoring and the halogenless low-smoke fire retarding polyolefin oversheath, arranging a buffer layer as lapping or extruding structure to eliminate stress concentration and prevent the oversheath cracking led by the armoring. This invention has well physical and chemical performances, and can improve cable reliability for long service time.

An ergonomic fluid dispenser. The ergonomic fluid dispenser includes a fluid container, a dispensing assembly, and a carrying case. The ergonomic fluid dispenser allows a user to remain standing during application of the fluid.

A process for preparing the magnetic ferrite powder used for rubber or plastic includes such steps as providing SrBa ferrite (SrO1-xBaOx) *nFe2O3 or Sr ferrite SrO*nFe2O3, proportionally mixing raw materials, grinding, adding assistant, pulverizing, granulating, sintering, pulverizing, tempering, water washing, baking, pulverizing and sieving.

Described herein is a portable animal waste remover with an elongated handle, or two handle components attached to a tapered scoop. The tapered scoop easily fits between an animal's hind legs prior to that animal's defecation. The scoop can contain a notch into which the edges or handles of a disposable bag insert. The bag thereby acts as a liner for the scoop and traps the waste from the animal. The user removes the uppermost edges of the bag from the slot and removes the bag from the curved scoop while retaining the waste within the bag. In other embodiments the elongated handle has an adjustable handle length extension, comprises a wheel, or fits within the user's pocket.

The invention discloses a self-correcting fully-distributed optical fiber Raman scattering sensor. In the invention, a duplex fiber cable is utilized as a sensing optical fiber, pump light is divided into a forward beam and a backward beam during the transmission process by welding the tail ends of the duplex fiber cable together so as to obtain two anti-Stokes Raman scattering light beams, and the intensity of the anti-Stokes Raman scattering light beams is measured so as to realize temperature measurement; and the intensity values of the two anti-Stokes Raman scattering light beams can be multiplied so as to achieve the purpose of self-correction of curvature, loss, strain and the like. The sensor disclosed by the invention comprises an optical fiber pulse laser, an optical fiber wavelength division multiplexer (WDM), the duplex fiber cable, a photoelectric receiving module, a digital signal processor (DSP) and a computer. The invention has the advantages that self-correction and temperature measurement can be carried out at the same time only by measuring the intensity of the anti-Stokes Raman scattering spectrums; and the system has a simple structure, and avoids the defects that the traditional measuring system has transmission loss and errors caused by different center wavelength and needs a plurality of photoelectric receivers.

The invention provides an electronic apparatus control method and an electronic apparatus, wherein the method is applies in the electronic apparatus and the electronic apparatus is equipped with a bendable screen. The method comprises: detecting and obtaining a bending operation of the electronic apparatus applied by an operator, wherein the bendable operation is applied to the electronic apparatus for deforming the electronic apparatus; determining whether the bendable operation satisfies a preset condition or not; and when the bendable operation satisfies the preset condition, controlling the electronic apparatus to change from a first bending state to a second bending state, and when the bending operation is no longer applied on the electronic apparatus, controlling the electronic apparatus to deform from the second bending state to a third bending state. The electronic apparatus control method provided by the invention is used for solving the technical problem in the prior art that the flexible screen electronic apparatus only can be bended when an external force is applied and the bending angle of the flexible screen cannot be accurately controlled.

The invention discloses an UV-LED with a quantum dot EBL, comprising a sapphire substrate, an A1N nucleating layer, a non-doped u type A1GaN buffer layer, an n type A1GaN layer, an A1xGa1-xN/A1yGa1-yN quantum well active region, a p type A1N/A1GaN quantum dot EBL, a p type A1GaN layer and an ITO conductive layer. An n type ohmic electrode is lead out on the n type A1GaN layer, and a p type ohmic electrode is lead out on the ITO conductive layer. The UV-LED with a quantum dot EBL employs the p type doping layer of self-assembly A1N/ A1GaN quantum dots as the EBL and a hole injection layer, which can effectively inhibit electrons from overflowing out of an active region, enhance the efficiency of hole injection to the active region, and thereby increase the carrier composite efficiency in the active region; in addition, A1N is used as the EBL to replace the A1GaN commonly used in blue LED, which can more effectively reduce UV absorption by the EBL, and increase UV-LED luminous efficiency.

The present invention relates to a roller reducer comprising a transmission gear having an externally threaded shaft having at least one left-handed thread portion, at least one right-handed thread portion, and at least one shaft flange ring, and a plurality of rollers, each roller having a plurality of thread portions, comprising at least one left-handed thread portion and at least one right-handed thread portion, each thread portion arranged to engage with the respective thread portions of the shaft, and at least one roller flange ring arranged adjacent to the roller thread portions to rotationally slide against the corresponding at least one flange ring of the shaft.

Diameters of the flange rings of the rollers and the flange rings of the shaft are each equal to the respective effective thread diameters of the engaged thread portions of the rollers and the shaft, respectively.

A goalie skate assembly has i) a plastic blade mounting member adapted to releasably receive a metal skate blade therein, and ii) a monocoque carbon fiber and resin composite skate boot body for receiving a foot of the user therein. The unitary structure of the skate boot body includes i) a sole portion, ii) a heel portion extending upwardly from the sole portion for receiving a heel of the user therein, iii) a pair of side portions extending upwardly from opposing sides of the sole portion, and iv) a lower portion extending downwardly from a bottom side of the sole portion so as to surround at least a portion of the blade mounting member. A toe cap mounted on the skate boot body includes a molded plastic outer shell and a liner formed of a fiber and resin composite material bonded to an inner surface of the outer shell.

The invention discloses an inlet and outlet damping expansion joint of an anti-fatigue type pump. The expansion joint comprises flanges, a limiting protecting sleeve and a corrugated pipe, wherein the flanges are respectively welded at the two ends of the corrugated pipe, the flanges at the two ends are respectively provided with a lug plate, a pull rod penetrates through the lug plates, the two ends of the pull rod are used for connecting the lug plates together through nuts, the inner side end of each lug plate is provided with an adjusting nut, the limiting protecting sleeve is sheathed on the corrugated pipe, the inner wall of the limiting protecting sleeve is in contact with peaks of the corrugated pipe, and one end of the limiting protecting sleeve is fixedly connected with the inner end surface of each flange. The expansion joint has the further improvement that the two limiting protecting sleeves are respectively and fixedly connected with the inner end surfaces of the flanges, the two corrugated pipes are coated by the limiting protecting sleeves, the inner wall of each corrugated pipe is provided with a corrosion-resistant layer, and a spherical spacer and a conical spacer assembly are arranged between each nut and each lug plate. The expansion joint has the advantages that the fatigue failure of the parts at the two ends of the corrugated pipe is effectively prevented, the service life is obviously prolonged, and the corrosion-resistant property is higher.

A printed wiring board comprises a wiring substrate provided with at least one conductor circuit, a solder resist layer provided on the surface of the wiring substrate, at least one conductor pad formed from a part of the conductor circuit exposed from an opening provided in the solder resist layer, and at least one solder bump for mounting electronic parts on the conductor pad. In the printed wiring board, since the at least one conductor pad is aligned at a pitch of 200 µm or less, and a ratio (W/D) of a diameter W of the solder bump to an opening diameter D of the opening formed in the solder resist layer is within a range of 1.05 to 1.7, connection reliability and insulation reliability can be easily improved.

The invention discloses a rod-typed oil pump which can eliminate the partial abrasion and has positive well cleanout function, comprising a disconnecting/connecting mechanism, a pulling rod, a long piston, a short pump cylinder, a fixed valve, a fixed valve base expanded pipe, a long pump cylinder, a short piston, a floating valve, a pump cylinder lower expanded pipe, and a short piston supporter with a flow passage. The fixed valve is arranged above the long pump cylinder; the short piston is arranged inside the long pump cylinder and below the fixed valve; the floating valve is arranged on the short piston; the diameter of the pulling rod is less than that of the long piston; the pump cylinder lower expanded pipe is longer than the diameter of the long pump cylinder. The invention can eliminate the partial abrasion of the oil rod and can achieve the positive well cleanout without moving a pipe string.

The invention relates to a gerotor fuel pump (2) comprising ribs (18, 19), which are located in channels (16, 17) that are configured as inlets and outlets and that are situated in housing parts (8, 9). The ribs (18, 19) are positioned transversely to the maximal extension of the cross-sections of the channels (16, 17), producing a high degree of stability in the channels (16, 17). The housing parts (8, 9) are composed of plastic.