30results about How to "Minor design changes" patented technology

Disclosed is a resettable roll-in type swinging seismic-isolation pier stud with flanges. The resettable roll-in swinging seismic-isolation pier stud is of a resettable seismic-isolation structure. The seismic-isolation pier stud comprises a main beam, piers, bearing platforms, semi-protruding spherical pier bottoms, pier flanges, rubber spacers, hollowed semispherical bearing platform tops, shape memory alloy shear bolts and oblique-section stoppers. The fixed connection of the piers and the bearing platforms is changed into swingable hinge connection. The spherical pier bottoms of the piers are embedded in the hollowed hemispheres of the bearing platform tops. The pier flanges are arranged on two sides of the upper portions of the spherical pier bottoms and are in anchorage connection with the bearing platforms via the shape memory alloy shear bolts. The rubber spacers are arranged between the semi-protruding spherical pier bottoms and the hollowed semispherical tops and between the bearing platforms and the pier flanges as well as between the sides of the pier flanges and the bearing platform stoppers. The pier stud is separated from the foundation, and seismic energy can be filtered by swinging, so that the piers and the foundation are protected. The resettable roll-in type swinging seismic-isolation pier stud has excellent social and economic benefits and worthy of popularization and application.

The invention discloses a base oscillating shock-isolation device for a pile foundation bridge pier. The base oscillating shock-isolation device is characterized by consisting of an overturn-preventing steel strand or reinforcing bar, a pier body, a spread foundation, rubber, a separation face and a foundation. The pier body is connected with the spread foundation and is perpendicular to the same and embedded into the same; the four sides of the spread foundation are filled with the rubber; the overturn-preventing steel strand or reinforcing bar, with one end anchored to a pier top and the other end anchored to the foundation, is inserted into the pier body. According related design specifications, the pier body is separated from the foundation, earthquake energy to the bridge pier is filtered by means of oscillating during design earthquake or rare earthquake, so that application function requirements of the bridge pier under normal service load and frequent earthquake are guaranteed. As the pier body and the foundation are separated in the design earthquake or rare earthquake, both the bridge pier and the foundation can be protected against earthquake.

An electromechanical transmission is provided having an input member for receiving power from an engine and output member. A plurality of gear members is operable for changing speed ratio between the input member and the output member. The input is connected with one of the gear members and the output member is connected with another of the gear members. A motor/generator is continuously operatively connected with the output member (via a planetary gear set) in parallel with the gear member that is continuously connected with the output member. The motor/generator is packaged axially between the input member and the plurality of gear members. The motor/generator is packaged in a packaging space typically utilized for a torque converter in a nonelectro-mechanical transmission. Thus, redesign of the nonelectro-mechanical transmission to achieve the electromechanical transmission involves a minimal number of steps.

The invention discloses a manual reversing valve. A valve core is driven to move by rotation of a handle, so that connection and disconnection of oil ports are determined, and the required functions are obtained; and the oil sealing reliability of the valve core in the moving process is ensured by an effective sealing form. Leakage of oil and intrusion of dust and moisture are effectively prevented by a sealing ring at each position. A valve body, a front cover and a rear cover of the valve are obtained by casting, so that the machining time is greatly reduced. Parts such as a copper bush, a hinge shaft, a pin, a push rod, a locking screw and the like for forming a manual mechanism are placed in the front cover. The valve core, a retainer ring, a spring, a gasket, a sealing element, an end face screw cover and the like are arranged in the valve body. The rear cover plays a role in water proofing and dust resistance.

The invention discloses an anti-virus type automobile air conditioner filter, the anti-virus type automobile air conditioner filter comprises a pre-filtering supporting layer, a rough filtering layer,an active electrostatic adsorption positive electrode layer, a fine filtering layer, a passive electrostatic adsorption layer, an active electrostatic adsorption negative electrode layer and a micropore trapping layer, which are fixed in a layered mode from top to bottom and form a filter body. The filter body is fixed in a sealed supporting frame, a plurality of ultraviolet sterilizing lamps arefixed on the inner wall of the sealed supporting frame, and the ultraviolet sterilizing lamps are arranged on the upper side and the lower side of the filter body; wherein a wire harness, a sensor, the ultraviolet disinfection lamp, the active electrostatic adsorption positive electrode layer, the passive electrostatic adsorption layer and the active electrostatic adsorption negative electrode layer are correspondingly connected with a controller, and the wire harness is in two-way communication with a whole vehicle CAN network. The anti-virus type automobile air conditioner filter is used for filtering, collecting, killing and removing viruses and removing part of organic matter, smell, bacteria, particles and the like, and therefore the air quality is improved in an auxiliary mode.

A building structure suitable as a pair of floors each contains at least one pair of stacked units, which may be incorporated into a variety of multi-storey commercial or residential buildings. The structure includes two or more vertically stacked units which each define a respective self-contained space. As a floor module, the building structure extends downward from a planar ceiling surface, which forms the ceiling of an uppermost unit to a planar lower floor surface of the second lower other unit. Together, the pair of stacked units has an overall height equal to two and one-half to three full storeys, and a height selected between twenty-three and thirty-six feet, depending upon the respective building structure (7.5-12 feet). An interior dividing bearing wall is positioned within each of the units between the load-bearing sidewalls, and which divide each unit into primary and secondary living areas or spaces.

The invention discloses a connecting mode and structure of reinforced concrete hollow pipe pier joints based on steel plate connection. The connecting structure is mainly composed of a prefabricated pier segment, a steel plate, dampers, SMA rebars and SMA bolts; the prefabricated pier segment is a high-strength concrete pipe pier, and the vertical and horizontal bearing capacity of a connecting steel plate section is not lower than the corresponding bearing capacity of a pier segment section; a plurality of dampers are annularly arranged between the top surface of a bearing platform and the bottom surface of the steel plate; under the action of earthquake, a plastic hinge area is formed at the bottom of the pier, an upper connecting steep plate and a lower connecting steel plate can be opened and closed, a local swinging mechanism is formed by utilizing self-reset of the SMA bolts, and the energy consumption capacity is achieved; the dampers are stimulated to play a role, part of the earthquake energy is absorbed, the SMA bolts and the dampers are convenient for maintenance and replacement after the earthquake, under the action of the SMA rebars, the pier structure system has the function of self reset, and the damage of the plastic hinge area of the pier after the earthquake is reduced.

The invention provides a driving system of a drum washing machine and the drum washing machine. The driving system comprises a drum shaft sleeve, an impeller shaft, a driving source, a clutch mechanism and a speed reduction mechanism, wherein the impeller shaft is rotatably arranged in the drum shaft sleeve, the driving source comprises a stator and a rotor, and an opening of the rotor is backwards fixedly connected to the rear end of the drum shaft sleeve; the clutch mechanism is controlled to be in selective transmission connection with one of the stator and the rotor; the speed reduction mechanism comprises a planet carrier assembly which is normally connected to the clutch mechanism and a planetary gear train which is in transmission connection between the impeller shaft and the rotor;when the clutch mechanism is in transmission connection with the stator, the planet carrier assembly is fixedly connected with the stator, and the rotor drives the impeller shaft to rotate together with the drum shaft sleeve at differential speeds through the planetary gear train; when the clutch mechanism is in transmission connection with the rotor, the planet carrier assembly is fixedly connected with the rotor, and the rotor drives the impeller shaft to rotate together with the drum shaft sleeve at the same speed through the planetary gear train; the rotor is directly connected with the drum shaft sleeve, the installing span of the rotor is shortened, and the integral rigidity is improved.

The invention relates to nuclear power plant design technology, and particularly relates to a method for preventing by-pass type LOCA (Loss of Coolant Accident) of a nuclear power plant. The invention relates to nuclear power plant design technology, and particularly relates to a method for preventing by-pass type LOCA of a nuclear power plant. According to the method, a redundant isolation device is arranged on a primary coolant circuit pipeline, and / or an other non-primary coolant circuit system pipeline communicating with primary coolant circuit fluid, and / or a system pipeline, which the primary coolant circuit fluid may leak into. When the non-primary coolant circuit pipeline ruptures, the redundancy isolation device ensures the isolation of the non-primary coolant circuit pipeline, so as to prevent leakage of the primary coolant circuit fluid through the non-primary coolant circuit pipeline. The method provided by the invention has little change on the original design of the nuclear power plant system but obvious actual effect, is convenient for implement, and improves safety of the nuclear power plant.

According to the method and device for adjusting the position of the gravity center of a blade of a wind driven generator. A counterweight point is determined on the blade of the wind driven generatorto be hoisted, a liquid balancing device is arranged on the counterweight point, a built-in counterweight device arranged in the blade of the wind driven generator or an external counterweight devicearranged outside the blade of the wind driven generator, and the gravity center position of the blade of the wind driven generator to be hoisted is adjusted to the position of the gravity center of the blade required by a single-blade lifting appliance by adjusting the mass of the counterweight liquid in the liquid balancing device. According to the method and device, universality of the single-blade lifting appliance is greatly improved, the using efficiency of the single-blade lifting appliance is improved, the unit development progress is accelerated, and the hoisting and spreading cost ofblade is reduced.

The invention discloses a combustion chamber of a diesel engine. The combustion chamber comprises a central platform, a pit area, a lip, a step area and a piston top; one end of a boundary curve of the pit area is connected with a platform side generatrix extending from the central platform side to the bottom of the combustion chamber, and the other end of the boundary curve of the pit area is connected with the lip through a diversion line extending to the top of the combustion chamber; the lip is connected with the top surface of a piston through a step-shaped curved surface, and the step area is formed above the step-shaped curved surface; an included angle formed between the diversion line and the radial outside horizontal direction of the combustion chamber is an acute angle; and whenthe piston is located at the top dead center, the ratio of the length of the connecting line of the contact point of an oil beam line and the diversion line and the starting point of the bottom end of the diversion line to the total length of the diversion line is within a preset proportion range. According to the technical scheme, the area of an oxygen-enriched area surrounded by high temperature is reduced to inhibit generation of nitric oxide, meanwhile, the mixed gas is guided to move towards the center of an air cylinder to accelerate later oxidation of soot, and the effect of effectively reducing emission of nitric oxide and the soot is achieved while the thermal efficiency of the diesel engine is not reduced.

The invention provides a guide device and an automobile and relates to the technical field of automobile part equipment. The guide device comprises a guide device body. The guide device body comprisesan installation seat and a guide block and is located in the position of a backrest switch of a rear-row seat of a vehicle. A seat backrest structure is prevented from greatly changed, and influencecaused by newly-added design on original design is avoided. The guide device body serves as a turning device at the upper end of a safety belt, after being output by a retractor, the safety belt can be turned to a passenger after being guided by the guide device body, the contact position of the safety belt and the corresponding shoulder of the passenger is away from the neck, the technical problems that the neck of the passenger is stuck by the safety belt of the rear-row seat, thus the riding experience of the passenger is poor, the passenger is unwilling to wear the safety belt, and potential safety hazards exist in the prior art are solved, the comfort level of the passenger is improved, the guide device is simple in structure, the safety belt is guided, and the guide device is more practical.

The invention provides a method of realizing IWF function of an AP interface, which is applied in communication field. The invention has the technical proposal that: a mobile terminal launches the circuit data business under an Ap port, MSCe, i.e. mobile switching simulation is coordinated with MGW, i.e. media gateway and inserts TC, i.e. vocoder resource in calling connection. TC completes the conversion between TDM, i.e. time division multiplexing and an IP port, in order to realize the network intercommunication under the Ap port. The invention can multiplex the resource under the prior Ap port and reduce changes to design.