531results about How to "Increase the outer diameter" patented technology

An impeller is directly driven by an output shaft of a core engine. The airflow produced by the impeller rotates an air turbine and a fan disposed integrally with the air turbine. The impeller and the air turbine form a fluid coupling which serves also as a speed reducing mechanism. The rotational speed of the fan can be reduced to be lower than that of the output shaft while retaining efficiency of the core engine. The outer diameter of the fan can be increased, raising a bypass ratio.

The present invention relates to a prokaryotic host cell comprising eukaryotic glycosyltransferase activity, where the eukaryotic glycosyltransferase activity is eukaryotic dolichyl-linked UDP-GlcNAc transferase activity and eukaryotic mannosyl-transferase activity. Also disclosed is a method of producing a glycosylated protein by providing a prokaryotic host cell comprising the eukaryotic glycosyltransferase activity and culturing the prokaryotic host cell under conditions effective to produce a glycosylated protein. Another aspect of the present invention pertains to a method for screening bacteria or bacteriophages by expressing one or more glycans on the surface of a bacteria, attaching a label on the one or more glycans on the surface of the bacteria or on the surface of a bacteriophage derived from the bacteria, and analyzing the label in a high-throughput format. A glycosylated antibody comprising an Fv portion which recognizes and binds to a native antigen and an Fc portion which is glycosylated at a conserved asparagine residue is also disclosed.

A medical connector capable of allowing, in which a stepped portion is not formed between upper surfaces of a valve and a housing, includes a disc shaped valve member which has a slit formed at a center portion thereof; a housing with a substantially cylindrical shape which sandwiches a circumferential edge portion of the valve member; and an annular ring member which is disposed on an upper circumferential edge of the valve member other than the center portion thereof, wherein the housing has a pedestal which is formed on an inner circumferential surface thereof so as to protrude inward, the valve member being placed on the pedestal, and wherein the valve member is fixed to the inside of the housing by allowing the ring member and the housing to be joined to each other by a swaging process after the valve member is placed on the pedestal in the housing.

A catheter tube for medical treatment having a high degree of freedom in having its rigidity and flexibility changed stepwise and enabling the setting of a bending rigidity changing position according to a variety of access routes and a method of manufacturing the catheter tube. The catheter tube comprises an inner layer tube, a reinforcement material layer, a marker, and an outer layer tube which are formed integrally with each other. The catheter tube is so formed that a line body forming the reinforcement material layer is densely wound at its tip part, the marker formed of an X-ray impermeable metal wire adjacent to the tip thereof is also densely wound, and comprises a leading-edge part where the reinforcement material layer and the marker are not present. Accordingly, the bending rigidity of the catheter tube from the base part to ward the tip part is stepwise or continuously decreased by the presence of the reinforcement material layer and the outer layer tube. The winding of the line body is terminated at the base part after its interval and tilt angle are changed at positions between the densely wound portion of the tip part and a portion near the base part, and the outer layer tube has a stepwise-changing hardness arrangement. As a result, the catheter tube can be set to a variety of bending rigidity changing positions.

A lead wire is led out to a fan outer frame portion side through a lead wire retaining portion that is provided to a motor support portion of a housing that fixes a fan motor so as to protrude to a fan outer frame portion side or is provided to the fan outer frame portion of the housing so as to protrude to the motor support portion side. The lead wire retaining portion is positioned between neighboring support beams for fixing the motor support portion to the fan outer frame portion.

The invention belongs to the technical field of electric cars and particularly relates to a power transmission technology. A wheel hub motor driving device comprises a shell (21), a motor, a two-stage planetary reducer, wheel rims (2) and tires (1); and the motor and the two-stage planetary reducer are coaxially arranged, the wheel rims (2) are connected with the output end (5) of the two-stage planetary reducer, and the tires (1) are installed on the wheel rims (2), so that power from the two-stage planetary reducer is transmitted to the tires (1). According to the wheel hub motor driving device, a planetary reducing mechanism is adopted, the manufacturability is good, transmission efficiency is high, the large transmission ratio can be obtained, the rotating speed of the motor can be increased, and thus the power density of the wheel hub motor driving device is improved; output of the reducer serves as a rotating shell and is directly connected with the wheel rims, and wheel detaching and installing are convenient; and brakes are arranged inside the wheels, the outer diameters are large, and thus heat dissipation and thermal capacity guaranteeing are facilitated.

The invention relates to a high-performance imaging optical system that achieves a magnification high enough to be capable of microscopic viewing under an endoscope, and is compatible with high-definition imaging devices. The objective optical system comprises, at least in order from the object side, a positive, first group G1, a second group G2 and a third group G3. In association with an object point change, at least the second group G2 is moved along an optical axis. The objective optical system satisfies a condition with respect to an optical magnification β upon focusing on the closest range.

A double-stator synchronous motor has a rotor, an inner stator and an outer stator. The rotor has segment-magnetic poles arranged in a ring shape. Magnetic poles formed in the inner stator and the outer stator face to each other in a same circumferential position. Each stator has q (q≧2) slots per pole and phase to disperse magnetomodive force. A radially minimum width Wr of each segment magnetic pole is within a range of 1.3q to 2.3q times of a minimum width Wt of outer teeth. A magnetic depth of a magnetic concave section formed in the segment magnetic pole is within a range of not less than an average width Ws of the inner slots. Because this suppresses demagnetization in the permanent magnets caused by stator magnetomotive force, ferrite magnets are used as buried magnets and magnetic-pole central magnets, and suppress the amount of neodymium magnet used in the rotor.

Method and apparatus for beverage extraction needle side holes or apertures. The leading and trailing edges of the apertures may be shaped or otherwise configured to help reduce the possibility of coring or shearing of material as the needle is inserted into and/or withdrawn from material, such as a cork. Convex leading and/or trailing edges may help deflect material away from the aperture, reducing shearing. Concave leading and/or trailing edges may help prevent entry of material into the aperture, again reducing shearing.

There is disclosed a method for manufacturing a plugged honeycomb structure capable of manufacturing a plugged honeycomb structure in which the plugging depth is uniform. A method for manufacturing a plugged honeycomb structure, according to the invention, includes disposing a plug filling jig 6 so that it covers the side of the periphery of one end 7a of the honeycomb structure 3 at the side where plugged cells 4a are open and its tip locates being protruded from the end surface of the one end 7a, the end surface of the side of the one end 7a is separated from the surrounding space and the one end 7a of the honeycomb structure 3 where the plug filling jig 6 is disposed is pressed onto a ceramic slurry to thus introduce the ceramic slurry into the plugged cells 4a to form plugged portions.

A catheter body includes a coil body (10) which is formed by winding or stranding metal wires (12) and having a distal portion (16) and a proximal portion. The distance between coils (12) adjacent to each other in the distal portion (16) is greater than the distance between coils (12) adjacent to each other in the proximal portion (18 or 14). The pitch in the distal portion (16) of the coil body (10) is substantially or nearly the same as the pitch in the proximal portion (18 or 14).

A guide bush includes a plurality of bush elements combined to form a cylindrical shape as a whole. The plurality of bush elements includes a cylindrical fitting portion. The cylindrical fitting portion is fitted in a fit-and-hold portion of a housing, and has an inner peripheral surface configured to guide an outer peripheral surface of a displacement shaft that has been inserted in the cylindrical fitting portion in an axially displaceable manner. The diameter of the circumscribed circle of the plurality of bush elements in a state in which the end faces of the plurality of bush elements with respect to a circumferential direction abut each other is not greater than the inside diameter of the fit-and-hold portion.

A tenon rod for joining two members has a rod body, a helical groove formed on an end portion of the rod body for a drift pin to be fitted therein, and a hexagonal head provided at the other end of the rod body to enable the tenon rod to be turned about its axis.

An electrophysiology catheter includes an elongate catheter body having a distal end and a proximal end, a catheter tip including at least one metallic catheter component, such as an electrode, thereon, and at least one internal catheter component joined to the at least one metallic catheter component. The at least one internal catheter component includes a shape memory alloy and a metal compound that is capable of both bonding with the shape memory alloy and being metallurgically joined to the at least one metallic catheter component as by brazing. The metal compound may be a coating on or a core within the shape memory alloy. Suitable metal compounds include, without limitation, nickel, copper, brass, and combinations thereof.

A connection is described for connecting two tubular fuselage portions of a missile. The inner diameter of the rim of a first tubular fuselage portion to be connected with a second tubular fuselage portion corresponds to the outer diameter of the rim of the second tubular fuselage portion to be connected to the first tubular fuselage portion, deducting a jointing tolerance, The rims of the tubular fuselage portion to be connected are provided with radial bores to accommodate connection screws, Clamp segments are mounted in the second tubular fuselage portion along the inner circumference thereof. The clamp segments define threaded bores, connection screws being screwed into these threaded bores.

The invention relates to a preparation method for a large-sized bended insensitive multimode optical fiber preform. The preparation method comprises: firstly carrying out doping and deposition through an in-tube method to form a multimode optical fiber core layer, melting a deposition tube through a heating furnace to form a solid mandril after deposition, and carrying out doping and deposition through an out-tube process to deposit a sunken coating and an outer coating separately by taking the mandril as a target rod; or carrying out negative doping by using a pure quartz glass outer lining tube through an in-tube method process to form the sunken coating and the outer coating of the preform; and then combining the prepared mandril with a deposited outer sleeve to form the optical fiber preform for an RIT (rod in tube) process or combining the prepared mandril with fluorine-doped or boron-doped quartz glass sleeve in a packaging manner and melting the two to a solid rod for a SCR (solid core rod) process, and then combining the solid rod with a large-diameter outer sleeve to form the optical fiber preform for the RIT process. The prepared optical fiber preform not only is large in outer diameter and high in core precision, but also is low in manufacturing cost, simple and agile in method and suitable for large-scaled production.

This invention is a motorized valve that is used to adjust refrigerant quantity of refrigerating system. Guiding element and nut are arranged at upper and lower sides of magnet inside of the holding cavity. The said guiding element has guiding hole. The said nut includes internal screw thread section and lower guiding section. The said lead screw includes intermediate external thread section, upper and lower guiding sections that protrude from upper and lower end faces of magnet. The said external and internal thread sections are cooperated. The said upper guiding section is located in the said guiding hole of guiding element. The said lower guiding section is located in the lower guiding section of the said nut. This invention extends the guiding length of lead screw. It can reduce the swing range of lead screw. This invention decreases magnet vibration and increases the abrasion resistant capability of thread section.