39results about How to "Strength without damage" patented technology

Disclosed is a polyamide resin composition for portable electronic devices, which is excellent in mechanical strength, thin shape formability, crystallinity and warping property. Specifically disclosed is a polyamide resin composition containing 30-80% by weight of a polyamide MP (A) and 20-70% by weight of a polyamide resin (B) having a melting point not less than 245 DEG C (with the total amount of them being 100% by weight). The polyamide resin composition further contains, as a filler (C), a fibrous filler (C1) as an optional component and a plate-like filler (C2) as an essential component, and the content ratio (C1):(C2) is from 0:10 to 9:1. The total amount of the filler (C) is 30-250 parts by weight relative to 100 parts by weight of the total of the polyamide MP (A) and the polyamide resin (B). The polyamide MP (A) is a polyamide resin obtained by a polycondensation reaction between a mixed diamine, which contains 90-50% by mole of meta-xylylenediamine and 10-50% by mole of para-xylylenediamine, and an alpha, omega-linear aliphatic dibasic acid and / or an aromatic dibasic acid.

A cooking vessel grip has an elongated, one-piece body made of plastic material and having, at a first end, a connecting portion for connection to a cooking vessel; and the body has, internally, a longitudinal cavity extending at least along a portion gripped in use.

The invention provides a resin compound, the finished product of the resin compound, and the joint structure of the finished product of the resin compound. The resin compound has a good thermal stability and a good binding performance between silicone sealing materials without damaging the strength of the finished product. The resin compound comprises polyamide resin and oxidized graphene. The resin compound is provided with the thermal stability brought by the oxidized graphene and the good adhesive performance between the silicone sealing material. The strength of the finished product after the finishing is not damaged. The invention provides the finished product of the resin compound, the finished product of the resin compound, and the joint part connected with the finished product, and the joint structure of the finished product of the resin compound connected by the joint part by the hardening object of the liquid-state hard silicon rubber compound.

Alternately arrange 2m stator rings in the axial direction, where m is a natural number greater than or equal to 2 (m=2 in the embodiment), each stator ring is formed with a plurality of teeth (31b-34b) and connects the teeth to each other 2m-1 slots (41, 42, 43) are formed between 2m stator rings, and the windings (36, 37, 38) in each slot (41, 42, 43) will be accommodated in the return path The windings (36, 37, 38) in the slots (41, 42, 43) at a distance of m are connected in series so that the excitation directions are opposite, so that the phases of the magnetic flux passing through the teeth (31b-34b) of each stator ring are respectively staggered by 360 ° / 2m, it is possible to abolish the winding portion (transition portion) that does not contribute to the torque, and since the magnetic circuit of each phase is shared through the return path (31a to 34a), a thin and high-output salient pole motor can be obtained, and Since the magnetic circuit of the wave winding motor is formed, the output torque can be increased compared with the salient pole concentrated winding motor.

A structural member having a plurality of conductive regions electrically insulated from each other, in which the plurality of conductive regions are electrically insulated from each other by continuous oxidized regions, and the oxidized regions are each formed of an oxide made of a material having a plurality of through holes or trenches formed therein.

The invention relates to an impeller for an exhaust gas turbocharger, wherein the impeller (1) is mounted rotatably about an axis of rotation in the housing of the exhaust gas turbocharger (3), and wherein the impeller (1) has a hub ( 5), the hub has a wheel ridge (6) and a wheel end away from the wheel ridge (6), and wherein a plurality of impeller blades (4) are formed on the wheel hub (5), and the impeller blades are formed on the wheel ridge (6) ) and the wheel end, and wherein the first blade (7) of the plurality of impeller blades (4) and the second blade ( 8) A balance mark (11) is provided in the vane channel (9) formed between them. According to the invention, the balancing mark (11) is designed like a triangle. Furthermore, the invention relates to an exhaust gas turbocharger with such an impeller and to a method for balancing a rotor arrangement for such an exhaust gas turbocharger.

The invention relates to an axial-force-controllable surgical bone drill using a brazed PCBN (Polycrystalline Cubic Boron Nitride) superhard material drill bit. The axial-force-controllable surgical bone drill has the advantages that the control accuracy is high and damages to brain tissues can be effectively avoided. A direct-current motor is arranged in the case of a drill body. The direct-current motor is connected with an intelligent integrated control system and a direct-current power supply. The output shaft of the direct-current motor is connected with a gear transmission device. The gear transmission device is connected with a drill bit chuck through a transmission shaft. A drill bit is installed on the drill bit chuck. A thrust bearing is arranged at the junction of the drill bit chuck and the transmission shaft. The thrust bearing is in close contact with a deformable element. The deformable element is in close contact with the case. The deformable element is positioned by using an elastic element. A resistance strain gage is bonded on the internal surface of the deformable element. The resistance strain gage is additionally connected with the intelligent integrated control system. A sealing device is arranged between the drill bit chuck and the case. The drill bit comprises a cylindrical basal body. A twist drill tip is arranged on the cylindrical basal body. A spiral groove is additionally arranged on the cylindrical basal body. PCBN superhard materials are arranged in the spiral groove and on the surface of the main rear blade of the drill bit.

The embodiment of the present invention discloses an electronic device, the electronic device comprises: a first panel and a housing oppositely arranged; a frame and a plurality of electronic components arranged between the panel and the housing; the frame is fixed On the inner surface of the casing, it is used to increase the mechanical strength of the casing. In the electronic device provided by the present invention, a frame for increasing the mechanical strength of the case is added on the inner surface of the case, so a thinner case can be used without compromising the strength and hardness of the electronic device. At the same time, by designing the geometric structure of the frame, the frame can also be used to install and fix the plurality of electronic components, reducing the use of fixing components such as fixing screws, and realizing the modularization of electronic equipment assembly, which is convenient for electronic equipment. assembly and reduce production costs.

In the scroll compressor of the present invention, the amount of oil supplied to the outer line side compression chamber and the inner line side compression chamber of the orbiting scroll wrap can be rationalized without impairing the strength of the wrap. The scroll compressor forms a suction chamber and a compression chamber between the fixed scroll and the orbiting scroll, and has a back pressure chamber on the back of the orbiting scroll platen, and is formed in an asymmetric tooth shape. A fluid outflow path for the outer line side compression chamber of the orbiting scroll wrap and a fluid outflow path for the inner line side compression chamber are formed on the orbiting scroll platen, and the outlet side openings of each fluid outflow path open to the tooth bottom of the orbiting wrap. The inlet side openings of each fluid outflow path are opened to the orbiting scroll table surface that slides with the fixed scroll, and a groove is formed on the fixed scroll table surface so that the inlet side openings of each fluid outflow path and the back pressure chamber follow the orbiting motion. Intermittently communicated communication section control tank. The communication section control groove is formed so that the pressures in the respective compression chambers at the start and end of the communication between the two compression chambers on the outer line side and the inner line side and the back pressure chamber are the same.

The invention provides a kind of TWIP steel, on the basis of Fe-Mn-C series TWIP steel, add W and optionally add one or more of Cr, Mo, Ni, Ti, V alloy elements, wherein W / C weight ratio is 1.25-10, preferably 2-5. At the same time, the invention provides a preparation method of TWIP steel. Combined with a suitable heat treatment process, the unexpected effect of increasing the strength without affecting the plasticity can be achieved, and the good plasticity of the TWIP steel can be maintained while improving the strength of the TWIP steel.