30results about How to "Dissipative effective" patented technology

The invention discloses a casing buckling induction brace with a mixed sunken type induction unit. The casing buckling induction brace comprises end restrained sections, a buckling induction section, an inner casing and an outer casing. The buckling induction section is clamped between the inner casing and the outer casing. The inner casing and the outer casing are each connected with one end restrained section. The buckling induction section comprises at least one mixed sunken type induction unit in the axial direction of the brace. According to each single mixed sunken type induction unit, m same mixed sunken type subunits are arranged sequentially in the circumferential direction to form a space body with the section of an m-edge shape. Each mixed sunken type subunit is a space body formed by folding two trapezoidal plates and eight triangular plates which are located in the same plane. The casing buckling induction brace maintains elasticity under the action of a small earthquake, the buckling induction section enters a yield stage under the action of a medium earthquake or a large earthquake, and the good hysteretic energy consumption performance of the casing buckling induction brace can also achieves an effect of a damper.

Embodiments for a fuel filter are provided. In one example, a diesel fuel filter comprises a header having an inlet port, an outlet port, a recirculation inlet port, and a recirculation outlet port; and a filter body made having different material than the header, the filter body coupled with the header and housing a filter membrane. In this way, electrostatic discharge may be reduced.

The invention discloses a phase-change-particle modified polyamide wear-resistant material and a preparing method thereof. The phase-change-particle modified polyamide wear-resistant material is formed in the mode that reaction materials, a catalyst and an assist catalyst are catalyzed and polymerized, wherein the adding proportion of the reaction materials to the catalyst to the assist catalyst is 100 g:(0.2-0.35) g:(1.5-3.5) ml, the reaction materials comprise, by mass, 5%-10% of phase-change particle materials and 90%-95% of caprolactam, and phase-change-particle materials are porous graphene / hard paraffin phase-change materials. According to the phase-change-particle modified polyamide wear-resistant material and the preparing method thereof, the high-thermal conductivity and the high heat enthalpy of phase-change particles are used for dissipating friction heat, the tribology performance of the polyamide material is improved accordingly, particularly, the anti-wear performance of the polyamide material is greatly improved, the abrasion resistance under the low-speed and heavy-load condition is 1.3-2.7 times that of the prior art, and the abrasion resistance under the high-speed and light-load condition is 2.6-5.8 times that of the prior art; therefore prepared pieces with the wider application range are prepared with the polyamide composite material.

The invention discloses a casing buckling induction support with an oblique spiral type induction unit. The buckling induction section is composed of an end restraint section, a buckling induction section, an inner casing and an outer casing, and is sandwiched between the inner casing and the outer casing. , the inner casing and the outer casing are respectively connected with an end restraint section, the buckling induction section is composed of at least one oblique helical induction unit along the axis of the support, and the oblique helical induction unit is composed of m oblique helical induction units The subunits are arranged in sequence along the oblique direction to form a space body with a helical section; the oblique spiral subunit is a space body formed by collinear folding of two triangular plates located in the same plane. The bushing buckling induction support of the present invention maintains elasticity under the action of a small earthquake, and the buckling induction section enters the yielding stage under the action of a moderate earthquake or a large earthquake, and its good hysteretic energy dissipation performance can also play a role in damping device effect.

The invention discloses a bush constraint buckling-preventing support with a diamond-shaped energy dissipation unit. The bush constraint buckling-preventing support is characterized in that the bush constraint buckling-preventing support comprises an end constraint segment, an energy dissipation segment and a bush; and the two ends are connected with beams or column components or nodes to form a whole through bolts so as to achieve the purpose of improving of the resistant-lateral rigidity of components. The bush constraint buckling-preventing support with the diamond-shaped energy dissipation unit is adopted, and thus under the action of a small earthquake, the bush constraint buckling-preventing support keeps elasticity; and under the action of a medium earthquake or a severe earthquake, the energy dissipation segment enters a yield stage, and the effect of a damper can further be achieved through the good hysteretic energy dissipation performance of the energy dissipation segment. The bush constraint buckling-preventing support with the diamond-shaped energy dissipation unit can be prefabricated and formed in a factory, the quality of the components is ensured, the workload of site operation is reduced, and energy conservation and environment protection are achieved.

The invention discloses a muting and shockproof composite floor. The muting and shockproof composite floor comprises: a composite material, wherein the composite material is prepared from, by weight, 40-65 parts of epoxy resin, 10-20 parts of aerosol, 30-60 parts of wood shavings, 20-60 parts of rubber particles, 10-20 parts of hydroxypropyl methyl cellulose, 3-10 parts of aliphatic glycidol ether, 0.2-1 part of fatty acid amide, 0.2-1 part of acrylate, 0.2-1 part of hydrogenated ester castor oil, 0.2-1 part of polyamide and 20-40 parts of cyclohexanone; and an outer frame (1) made of solid strips, wherein the composite material is wrapped in the outer frame (1). The composite floor produced from woodwork processing residues and waste tire pellets has good waterproofing, anti-moth, anti-static electricity, sound insulation, damping and heat insulation functions, and comprehensively has the high-efficiency utilization values of wood and the no-pollution recycling values of waste tires.

The invention discloses a sleeve buckling induction brace with a circular spiral type induction unit. The brace is composed of an end constraint section, a buckling induction section, an inner sleeve and an outer sleeve. The buckling induction section is composed of at least one circular spiral type induction unit in the axial direction of the brace. The circular spiral type induction unit is a space body formed by sequentially arranging m circular spiral type subunits annularly, and the section of the space body is in a regular m polygon shape. Each circular spiral type subunit is a space body formed by folding two triangular plates collinearly. By the adoption of the sleeve buckling induction brace with the circular spiral type induction unit, the sleeve buckling induction brace keeps elasticity under the action of small seism and enters a yield stage under the action of middle seism or major seism, and the brace can also achieve the effect of a damper due to the good hysteretic energy performance. The sleeve buckling induction brace can be prefabricated in a factory, component quality is guaranteed, workloads of on-site construction are reduced, and energy conservation and environment protection are achieved.

The invention discloses a sleeve buckling induction support with lengthened-pineapple-shaped induction units. The sleeve buckling induction support is composed of end constraint sections, a buckling induction section, an inner sleeve and an outer sleeve. The buckling induction section is clamped between the inner sleeve and the outer sleeve which are each connected with one end constraint section. The buckling induction section is composed of at least one lengthened-pineapple-shaped induction unit in the axial direction of the support. Each lengthened-pineapple-shaped induction unit is a space body formed by sequentially arranging m identical lengthened-pineapple-shaped sub units in the circumferential direction, and the section of the space body is a 2m-polygon. Each lengthened-pineapple-shaped sub unit is a space body formed by folding four triangular plates and two trapezoidal plates located in the same plane. The sleeve buckling induction support keeps elasticity under the effect of a small earthquake, the buckling induction section enters a yielding stage under the effect of a medium earthquake or a large earthquake, and the effect of a damper can be achieved by means of the good hysteretic energy consumption performance of the support.

The present invention relates to a driver-integrated BLDC fuel pump module used in a motor vehicle, and more particularly to a driver-integrated BLDC fuel pump module, wherein a driver for controlling the BLDC fuel pump is mounted on the BLDC fuel pump module on the flange of the driver, thereby avoiding the space limitation of installing the driver, and reducing the length of the wires used for the electrical connection between the driver and the BLDC fuel pump, thus greatly reducing the voltage drop and operating efficiency reduction caused by the wires The resulting BLDC fuel pump performance degradation.

The invention discloses an energy-dissipating and self-resetting bridge anti-seismic block structure, which comprises a cover beam and a beam body. A shock-absorbing and isolating support is arranged on the top surface of the cover beam. On the support, stoppers are respectively provided at both ends of the cover beam, and the flat end of a concave steel plate with a through hole in the width direction of the protruding part is embedded in the stopper, and the concave steel plate Hinge shaft pins are put through the hole of a flipped steel plate with a through hole in the width direction of the protruding part and a slope surface at the flat end, and the two are connected together to form a living hinge, and a piece is welded on the embedded part of the beam body The end of the cantilever is a steel plate with the same slope angle as the turning steel plate, and several springs are arranged at the end of the turning steel plate, and the springs connect the turning steel plate and the cover beam together. Under the action of an earthquake, the invention can dissipate the seismic energy and realize the self-resetting of the beam body through the movable hinge and several springs, reduce the occurrence of beam falling accidents, and improve the seismic performance of the bridge structure.

The invention discloses a casing pipe constraint buckling prevention support with symmetrical initial defects. The casing pipe constraint buckling prevention support with the symmetrical initial defects is characterized by being composed of end portion constraint sections, buckling sections and a casing pipe; and the two ends are connected with beam and column members or nodes to form a whole through bolts, so that the purpose of increasing the lateral rigidity resistance of the members is achieved. The casing pipe constraint buckling prevention support with the symmetrical initial defects keeps elasticity under the small earthquake effect, the buckling sections enter the buckling stage under the medium earthquake or major earthquake effect, and the good hysteretic dissipative energy can also achieve the effect of a damper. The casing pipe constraint buckling prevention support with the symmetrical initial defects can be prefabricated in a factory, the quality of the members is ensured, the workload of on-site construction work is reduced, and energy conservation and environmental protection are achieved.

The invention discloses a sleeve restraint anti-buckling support provided with staggered pyramid-shaped energy dissipation units. The sleeve restraint anti-buckling support provided with the staggered pyramid-shaped energy dissipation units is characterized in that the sleeve restraint anti-buckling support is composed of end restraint sections, energy dissipation sections and a sleeve, and the two ends are connected with beam or column components or joints in a whole through bolts, so that the purpose of increasing the resistant-lateral rigidity of a component is achieved. By the adoption of the sleeve restraint anti-buckling support provided with the staggered pyramid-shaped energy dissipation units, under the small shock action, the sleeve restraint anti-buckling support can be kept elastic; and under the medium or great shock action, the energy dissipation sections are switched to the buckling stage, and a damper effect can be achieved through the good hysteretic energy dissipation performance of the energy dissipation sections. The sleeve restraint anti-buckling support provided with the staggered pyramid-shaped energy dissipation units can be prefabricated in a factory, the quality of the component is guaranteed, the field construction workload is reduced, energy is saved, and environmental friendliness is achieved.

The invention discloses a dynamic polymer elastomer with a hybrid cross-linked network. The elastomer comprises the hybrid crosslinked network, and the hybrid crosslinked network contains covalent crosslinking and supermolecular hydrogen bond crosslinking, wherein the covalent crosslinking achieves a percolation threshold or more of a covalent cross-linked gel, and the hydrogen bond crosslinking is realized through hydrogen bond groups brought by polymer chain side groups and / or side chains. According to the invention, hydrogen bonds are dynamically reversible, thus the dynamic polymer elastomer has good performance such as toughness, energy dissipation performance, and self repairability. The dynamic polymer elastomer with the hybrid cross-linked network is widely applied to aspects suchas body protection in sports and daily life and work, military police body protection, explosion protection, airborne and air-drop protection, automotive collision avoidance, and electronic material impact resistant protection.

The invention discloses a sleeve buckling inducing support with circular Y-type induction units. The sleeve buckling inducing support is composed of an end restraint section, a buckling inducing section, an inner sleeve and an outer sleeve. The buckling inducing section is composed of at least one circular Y-type inducing unit in the axial direction of the support. The single circular Y-type inducing unit circularly sequentially forms a space body with a section being an m-edge polygon by m identical circular Y-type subunits, and the circular Y-type subunits each are a space body formed by folding two triangular plates and two trapezoidal plates which are located on the same plane. The sleeve buckling inducing support retains elasticity under a small vibration effect; when a medium vibration or large vibration effect occurs, the buckling inducing section enters a yielding stage, and a good hysteresis energy dissipation performance can achieve an effect of a damper. The sleeve buckling inducing support with the circular Y-type induction units can be prefabricated in a factory, component quality is ensured, a site operation workload is reduced, and the sleeve buckling inducing support saves energy and is environmentally friendly.

The invention discloses a sleeve restraint anti-buckling support provided with bidirectional pyramid-shaped energy dissipation units. The sleeve restraint anti-buckling support provided with the bidirectional pyramid-shaped energy dissipation units is characterized in that the sleeve restraint anti-buckling support is composed of end restraint sections, energy dissipation sections and a sleeve, and the two ends are connected into with beam or column components or joints into a whole through bolts, so that the purpose of increasing the resistant-lateral rigidity of a component is achieved. By the adoption of the sleeve restraint anti-buckling support provided with the bidirectional pyramid-shaped energy dissipation units, under the small shock action, the sleeve restraint anti-buckling support can be kept elastic; and under the medium or great shock action, the energy dissipation sections are switched to the buckling stage, and a damper effect can be achieved through the good hysteretic energy dissipation performance of the energy dissipation sections. The sleeve restraint anti-buckling support provided with the bidirectional pyramid-shaped energy dissipation units can be prefabricated in a factory, the quality of the component is guaranteed, the field construction workload is reduced, energy is saved, and environmental friendliness is achieved.

The invention discloses an ultrathin acoustic shielding screen for absorbing sound by using a coplanar hollow tube. The ultrathin acoustic shielding screen is composed of a screen plate, an opening plate with a through hole, and a resonant tube with one open end and one sealed end. The resonant tube is embedded into the screen plate in a coiled manner. The opening end of the resonant tube is in sealed connection with the through hole of the opening plate. The ultrathin acoustic shielding screen differs from a conventional linear hollow tube structure. The central axis of the coplanar hollow tube is in a curved shape and the coplanar hollow tube is embedded in the acoustic shielding screen in a two-dimensional coiled manner. The total thickness of the acoustic shielding screen is far less than the wavelength of an acoustic wave absorbed by the acoustic shielding screen and is just one percent of the wavelength of the absorbed acoustic wave.

The invention discloses a sleeve buckling inducing support with variable-angle four-crease-type inducing units. The support comprises end constraint segments, a buckling inducing segment, an inner sleeve and an outer sleeve. The end constraint segments are located at the two ends of the buckling inducing segment, the buckling inducing segment is sandwiched between inner sleeve and the outer sleeve, and the inner sleeve and the outer sleeve are connected with the end constraint segments respectively. The buckling inducing segment is formed by at least one variable-angle four-crease-type inducing units in the axial direction of the support, and each variable-angle four-crease-type inducing unit is a space body formed by sequentially arranging m identical variable-angle four-crease-type subunits in the circumferential direction, wherein the section of the space body is a regular polygon. Each variable-angle four-crease-type subunit is a space body formed by folding four trapezoidal plates in the same plane. The buckling inducing support has good hysteretic energy dissipation performance and can achieve the effect of a damper; the support can be prefabricated in a factory, the component quality is guaranteed, the workload of on-site construction is reduced, and energy conservation and environment protection are achieved.