250 results about "Effective height" patented technology

A dielectric resonator circuit is provided that is tunable over a broad frequency range and / or a broad bandwidth range. The center frequency is made tunable over a broad range by use of a dielectric tuning plug that is positioned in a through hole within the resonator. The bandwidth is made tunable over a broad range by tilting the resonators relative to the enclosure to increase the effective height of the cavity as seen by the resonator.

Rectangular PV modules (6) are mounted on a building roof (4) by mounting stands that are distributed in rows and columns. Each stand comprises a base plate (10) that rests on the building roof (4) and first and second brackets (12, 14) of different height attached to opposite ends of the base plate (10). Each bracket (12, 14) has dual members for supporting two different PV modules (6), and each PV module (6) has a mounting pin (84) adjacent to each of its four corners. Each module (6) is supported by attachment of two of its mounting pins (84) to different first brackets (12), whereby the modules (6) and their supporting stands are able to resist uplift forces resulting from high velocity winds without the base plates (10) being physically attached to the supporting roof structure (4). Preferably the second brackets (14) have a telescoping construction that permits their effective height to vary from less than to substantially the same as that of the first brackets (12).

When forming sophisticated semiconductor devices, three-dimensional transistors in combination with planar transistors may be formed on the basis of a replacement gate approach and self-aligned contact elements by forming the semiconductor fins in an early manufacturing stage, i.e., upon forming shallow trench isolations, wherein the final electrically effective height of the semiconductor fins may be adjusted after the provision of self-aligned contact elements and during the replacement gate approach.

The high velocity and high dilution exhaust system uses a centrifugal fan provided with a tapered nozzle. The nozzle compresses the airstream exiting the fan to increase back pressure and velocity. The air flow from the fan enters a stack having a venturi further increasing the velocity and decreasing the pressure. The decrease in pressure causes a suction, allowing the introduction of ambient air to mix with and dilute the output of the fan. The total discharge from the exhaust stack has a high velocity resulting in a plume height. and effective height of the exhaust before dispersion occurs.

A two-piece stemware container with an upper bowl-like vessel element having side walls forming an upwardly extending open goblet cavity for carrying food or drink. The cavity has an open top and a closed bottom base portion. A female threaded receptacle is concealed and carried within the base portion. A lower stem-like element having an upwardly extending column is integrally formed with a bottom base. The lower stem-like element has a male screw thread member located at the upper end of said column and adapted to mate with the female threaded receptacle for connecting the lower stem-like element with the upper bowl-like vessel element. The lower stem-like element has an effective height such that when the lower stem-like element is inverted and inserted into the top opening where it can be carried within the cavity.

The invention provides a feeding mechanism downward movement structure controlled by a presser foot lifting mechanism and a sewing machine. The feeding mechanism downward movement structure includes a presser foot lifting wrench, an eccentric shaft rotatably installed in a machine housing, a dental articulator having a second swinging supporting point, and a feeding tooth installed at one end of the dental articulator; a sliding groove is formed in the dental articulator, the eccentric shaft has a shaft body part and a shaft eccentric part eccentrically arranged on the shaft body part, the presser foot lifting wrench is connected with the shaft body part of the eccentric shaft through a first transmission mechanism, and the shaft eccentric part of the eccentric shaft can be rotatably installed in the sliding groove of the dental articulator and cooperated with the sliding groove in a sliding mode; when a presser foot is lifted, the presser foot lifting wrench swings around a first swinging supporting point and swings around the second swinging supporting point through a first transmission mechanism and an eccentric shaft driven dental articulator, so that the end, provided with the feeding tooth, of the dental articulator moves downward to the upper surface of a needle plate, the effective height between the presser foot and the needle plate after the presser foot is lifted is ensured, and therefore a to-be-sewed material is easily delivered between the presser foot and the needle plate before sewing is started.

An electrical connector includes a body with a tongue and the body supports a terminal module, the terminal module including a first row of terminals and a second row of terminals. Each terminal includes a contact portion and a soldering portion, the contact portions of the first and second row of terminals being disposed on an upper side and a lower side of the tongue, respectively, and the soldering portions of the first and second row of terminals each being arranged in a front column and a back column. A first and second positioning element can support the first and second rows of terminals, respectively. A shield that envelopes a periphery of the insulating body forms a contact chamber for accommodating the tongue. The front portion of the shield can be recessed into the circuit board to reduce the effective height of the connector and circuit board.

A shoe with a removable and interchangeable heel includes a first fixed heel disposed on a heel bottom portion of the shoe. The fixed heel includes a first fastener disposed therein. A second removable and interchangeable heel has a cooperating second fastener disposed therein that is engageable with the first fastener to secure the removable heel to the fixed heel, thereby increasing the effective height of the heel of the shoe.

A system for determining wind turbine tower base torque loads including a controller configured to determine a torque load of a base of a tower of a wind turbine according to a computation of an effective height of the wind turbine multiplied by a wind force upon a rotor of the wind turbine, and generate a control signal representing the torque load. A method for determining wind turbine tower base torque loads including determining a torque load of a base of a tower of a wind turbine according to the foregoing computation, and generating a control signal representing the torque load.

An improved multiple chambered maternity mattress (10) is specially configured to include a bellows (24) for providing fine-grained adjustability of size and firmness of its centrally disposed womb well region (AWW). The bellows (24) consisting of a plurality of accordion-like sections which are interconnected to form a single expandable air chamber that is inflatable under the control of the user while actually in use via a remote control unit (16). The womb well is formed as a cylindrical cavity or opening (26) which extends for the full height of the mattress (10) such that the bellows (24) may change its effective height thereby establishing the physical size of the womb well for optimum user comfort and benefit. Low friction materials and / or coatings on the cylindrical cavity walls (28) assure minimal friction of the contacting surfaces and bellows tips assuring an infinitely fine height / size / firmness adjustment.

The invention provides an electrically enhanced anaerobic ammonia oxidation reaction method belonging to the technical field of water treatment. The device comprises a cylindrical anaerobic ammonia oxidation reactor, two electrodes are arranged in the anaerobic ammonia oxidation reactor, a tubular iron electrode is used as an anode, a cylindrical graphite electrode is used as a cathode, and the electrodes are connected with an external DC stabilizing power supply through wires. The lengths of the electrodes are 30-40% of the effective height of the reactor, and the lowest inserting positions of the electrodes are 1 / 2 parts of the effective height of the reactor. Under the action of externally applied voltage (optimally, 0.6V voltage and less than 5mA current), the dissolution of iron in the anode is effectively controlled, and the growth of anaerobic ammonia oxidation bacteria is promoted. The results of experiment tests show that the nitrogen removal efficiency of the anaerobic ammonia oxidation bacteria is increased by electrochemical action and coupling in a biologic treatment process, the removal of nitrate nitrogen byproducts in the ANAMMOX process is enhanced, and the device has higher total nitrogen removal efficiency than reference reactors. The starting time of the ANAMMOX technology is shortened, and the total nitrogen removal capability of the ANAMMOX process is effectively improved.

A device for the preparation of, preferably thermoplastic, plastics material for recycling purposes has a container (1) in which at least one rotating mixing and / or comminuting tool (14) is arranged. The material thus treated is fed through an outlet opening (17) which is arranged at the bottom of the container (1) and to which the feed opening (18) of a housing (19) is fluidly connected. In this housing are arranged at least two screws (21, 22) which are jointly charged with material. The diameter (D) of the container (1) and the diameter (d) of each of the screws (21, 22) are in the relationshipD=103{square root over (d2K)},whereD is the inner diameter of the circular cylindrical container (1) or the inner diameter of a hypothetical circular cylindrical container converted to the same capacity and having the same effective height,d is the screw diameter, andK is a constant greater than or equal to 50.

The invention relates to the technical field of containers, and discloses a container spreader which comprises an arc rail assembly, a hoisting connecting device and an elastic oil cylinder; the upper end of the hoisting connecting device is connected with a hoisting end of the hoisting device, and the lower end of the hoisting connecting device is connected with an arc rail through a rolling pair; and one end of an oblique oil cylinder is articulated with the hoisting connecting device, and the other end of the oblique oil cylinder is articulated with the arc rail assembly. A container rotates along the arc rail, the overall height of the container spreader can be reduced, and the effective height of the hositing of the container spreader can be improved greatly, thus the container spreader not only can realize bulk cargo stacking operation, but also can perform the container integral operation; meanwhile, since the container spreader has an automatic gravity center regulating function, the torsional stress of a connected host arm frame can be relieved greatly. The invention also discloses a hoisting device with the container spreader.

The invention relates to a multi-grade high-efficiency low-nitrogen combustion method and a multi-grade high-efficiency low-nitrogen combustion system for a circulating fluidized bed boiler. According to the method, combustion air enters a furnace hearth through corresponding inlets respectively to divide the furnace hearth into a less oxygen combustion area, a reduction area, an oxidative combustion area and a burning-out area; the excess air coefficients of each area are respectively controlled to be 0.55-0.95, 0.75-1.15, 1.05-1.25 and greater than or equal to 1.20, so that a fuel is dispersed and uniformly combusted in the furnace hearth. The burning-out area is positioned above the upper boundary of the oxidative combustion area and has the effective height which is not less than 2.5 times of a flue gas average velocity value in the area, the upper boundaries of the remaining areas are respectively 2.0-5.5 meters, 4.5-9.0 meters and 8.0-12.0 meters away from the surface of an air distribution plate. The system which is applicable to the method comprises the furnace hearth, the air distribution plate, a primary air inlet and a secondary air inlet; at least one layer of reducing air inlet, at least one layer of oxidative air inlet and at least one layer of burning-out air inlet are respectively formed in at least one wall of the corresponding area of the furnace hearth. By virtue of the method and the system, the generation capacity of nitrogen oxides can be reduced, and high-efficiency combustion of the fuel can also be realized.

This invention discloses a simulation measuring method for path loss of radio waves including: inputting a digital map, determining a map matrix and a loss matrix to get a spread model and parameter of an emission antenna, generating a series of lamination radials with the emission antenna as the starting point, taking a series of sampling points on each radial and determining the effective sampling points according to the map grids corresponding to the sample point positions in the map matrix, then computing the effective height of the antenna and diffraction loss according to the corresponding geographical information of the effective sampling points and computing the path loss of the effective sampling point to be taken as the path loss of the map grids corresponding to the effective sampling points to be stored in the path loss matrix.

A method of determining an effective height of albumen of an egg, for calculating Haugh units of the egg, the method comprising: a) breaking the egg and placing its contents on a surface; b) choosing at least one location at which to measure the height of the albumen; and c) measuring the height of the albumen of the egg above the surface at the at least one location, using a non-contact measurement method.

An attic fire protection system is provided. The system comprises a fluid supply manifold for supplying a fluid, positioned at an effective height below and parallel to the underside of a roof having a non-zero pitch angle. The system contains a plurality of fittings each having at least one exit port for directing the flow of the fluid, the fittings being spaced within at most a maximum effective distance apart from each other and being connected to receive fluid from the supply manifold, wherein the exit ports are structured to supply the fluid in a direction parallel to the underside of the roof. Most broadly, however, the fittings are structured or arranged to supply the fluid in a direction forming an oblique angle with the horizontal and the vertical, which may or may be exactly the same as the pitch angle of the roof. The system also includes a plurality of horizontal sidewall sprinklers each connected to a respective exit port of one or another of the fittings.

A system and method to create or elevate a berm of a liquid retention facility by placement of lightweight fill material anchored by an impervious liner material(s). The impervious liner material is integral to a water retention system such as a containment system of a retention pond. The system and method can also be used to elevate the liquid retention height of a levee in combination with impervious liner retention material. By constructing the berm system on an existing levee, the effective height of the levee can be increased. The lightweight fill material provides the shape of the berm or levee extension. The liquid impervious liner material provides a watertight surface, the media for joining of the lightweight fill material, and the anchoring of the lightweight fill material to the existing berm or levee structure.

The invention discloses a basement bottom plate dewatering well mouth plugging casing and a construction method. The basement bottom plate dewatering well mouth plugging casing comprises a vertically-arranged steel pipe, wherein a stabilizing ring is welded on the outer circumference of the bottom of the steel pipe, a water retaining ring is welded on the outer circumference of the upper portion of the steel pipe, a flange plate is welded on the outer circumference of an upper opening of the steel pipe, a cover plate is arranged on the flange plate, and a rubber washer is arranged between the flange plate and the cover plate. In addition, the construction method adopts the plugging casing to perform basement bottom plate dewatering well mouth plugging. A double-insurance measure is adopted for the casing. By adopting the construction method, the tubular well plugging can be performed before basement construction completion, backfill completion and post-cast strip completion, underground water is continuously extracted from the basement, and the effective height of a plugging rear bottom plate is ensured.

An electrical connector includes a body with a tongue and the body supports a terminal module, the terminal module including a first row of terminals and a second row of terminals. Each terminal includes a contact portion and a soldering portion, the contact portions of the first and second row of terminals being disposed on an upper side and a lower side of the tongue, respectively, and the soldering portions of the first and second row of terminals each being arranged in a front column and a back column. A first and second positioning element can support the first and second rows of terminals, respectively. A shield that envelopes a periphery of the insulating body forms a contact chamber for accommodating the tongue. The front portion of the shield can be recessed into the circuit board to reduce the effective height of the connector and circuit board.

The invention relates to a last-stage moving blade for an air-cooled steam turbine. The last-stage moving blade is characterized in that the effective height of the blade is 661 millimeters; the relative value of the height Ld of the blade is monotonically increased from 0.0 to 1.0; the mounting angle c1 is monotonically decreased from 85.13 to 20.03 degrees; the area AI from the root section to the top section has the following change rule that the AI is more than or equal to 1.0 and less than or equal to 3.82; the axial width Xa from the root section to the top section has the following change law that the Xa is more than or equal to 1.0 and less than 1.0 or equal to 4.749; the chord length b1 from the root section to the top section has the following change law that the b1 is more than or equal to 1.0 and less than or equal to 1.627; and the largest depth W1 from the root section to the top section has the following change law that the W1 is more than or equal to 1.0 and less than or equal to 1.748. The last-stage moving blade is suitable for an undercritical and supercritical air-cooled steam turbine with the power of between 300 and 600 MW and the rotational speed of 3, 000 rpm.

The invention discloses a UV light emitting diode with double doped multi-quantum well structure, which comprises the following elements arranged from the bottom to the top in a successive manner: an AlN intermediate layer, an un-doped AlGaN buffer layer, an n-type AlGaN layer and a double doped AlxGa1-xN / AlyGa1-yN multi-quantum well passive area, an AlzGa1-zN electron blocking layer with z greater than y and y greater than x, a p-type AIGaN layer and a transparent conductive layer. On the n-type AlGaN layer and the transparent conductive layer are provided with an n-type Ohmic electrode and a p-type Ohmic electrode respectively. The beneficial effects of the present invention are as follows: a compensation electric field in opposite polarized electric field direction can be formed, which, on one hand, reduces or even eliminates the energy band inclination of the quantum well, increases the effective height of the quantum well barrier layer, increases the uniform distribution of carriers especially in the multi-quantum well structure and, on the other hand, increases the overlapping of the electrons in the quantum well with the wave function in space and increases the radiation composite efficiency of the electrons and the electron holes, therefore raising the UV-LED luminance efficiency substantially.

The invention provides a device for treating waste water containing salt through coupling of electrodes and anaerobic organisms, which comprises a cylindrical anaerobic reactor, the lower part of the anaerobic reactor is provided with a water distributor, the middle is provided with an anode and a cathode and connected with an external power supply through a wire, the upper part is provided with a three-phase separator, and the external is provided with a thermal insulating layer. The anode and the cathode are coaxially inserted into the 1 / 4 part of the effective height of the reactor, the lengths of the anode and the cathode are 50% of the effective height of the whole reactor, and externally applied voltage is optimally 1.2V. In the technology, iron-carbon electrodes are arranged in the anaerobic reactor for treating waste water containing salt with a high electricity conducting rate, the activity of anaerobic microorganisms is enhanced under the coupling action of an electric field and ferrous ion release, and the dwelling time of sludge in the reactor is prolonged, so that the metabolism speed of the microorganisms is raised, and the biomass is increased. The device is favorable to sieving efficient halophilic microorganisms, is used for treating high concentration of organic waste water containing salt, and has remarkable innovation, good effect for treating the waste water and good application prospect.

A system for coating to tablets or other articles includes an elongate pan for retaining a bed of articles, a coating discharge system comprising a plurality of individually-controlled spray zones located linearly along said pan, and a means for distributing said articles along the pan wherein the full surface of all of said articles is exposed to said spray. A controller is programmed to operate the system to initiate a batch mode start-up sequence to coat an initial load of articles, a continuous, or a shut-down sequence, by controlling the dispensing of coating fluid on a zonal basis, and optionally controlling the distribution of articles in the pan and their discharge by controlling the effective height of a weir and the degree of tilt of the system.