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4039 results about "Leaf blade" patented technology
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Methods and apparatus for rotor blade ice detection
ActiveUS20050276696A1Reduced lifting capabilityDiminished aerodynamic rotor blade performancePropellersWind motor controlIcing conditionsEngineering
A method for detecting ice on a wind turbine having a rotor and one or more rotor blades each having blade roots includes monitoring meteorological conditions relating to icing conditions and monitoring one or more physical characteristics of the wind turbine in operation that vary in accordance with at least one of the mass of the one or more rotor blades or a mass imbalance between the rotor blades. The method also includes using the one or more monitored physical characteristics to determine whether a blade mass anomaly exists, determining whether the monitored meteorological conditions are consistent with blade icing; and signaling an icing-related blade mass anomaly when a blade mass anomaly is determined to exist and the monitored meteorological conditions are determined to be consistent with icing.
Owner:GENERAL ELECTRIC CO
Shaft seal and turbine using the same
InactiveUS6343792B1High sealing capabilityReduce leakageEngine sealsPiston ringsGas turbinesEngineering
A shaft seal having a high abrasion resistance is disclosed, by which the leakage of the gas from the high-pressure side to the low-pressure side can be reduced. In the shaft seal, flexible leaves are multi-layered to form a ring shape. The shaft seal is mainly arranged around the rotation shaft of a gas turbine or the like. The relevant turbine comprises a casing, a compressor, a rotation shaft, moving blades attached to the rotation shaft, and stationary blades attached to the casing in a manner such that the stationary blades face the moving blades, wherein the shaft seals are provided between a plurality of stationary blades and the rotation shaft wherein the leaves of each shaft seal contact the rotation shaft. Under the rated operating conditions, the top ends of the leaves slightly separate from the surface of the rotation shaft due to the dynamic pressure generated by the rotation of the rotation shaft. When the turbine is not operated, the top ends of the leaves contact the rotation shaft again due to the elastic restoring force of the leaves.
Owner:MITSUBISHI HEAVY IND LTD
Color wheel with fan blade
A color wheel unit of a projector includes a motor and a color wheel. The color wheel is synchronized with the rotating motion of the motor. The color wheel has a light-irradiated area and a non-irradiated area. The light-irradiated area is positioned in an outer margin of the color wheel and at least a phosphor layer is located on the light-irradiated area. The non-irradiated area is positioned at the inner portion of the color chip. A number of fan blades are located in the non-irradiated area. The fan blades are synchronized with the rotating motion of the color wheel that generates air flow to enhance heat dissipation efficiency of the color wheel.
Owner:HON HAI PRECISION IND CO LTD
Methods of handling wind turbine blades and mounting said blades on a wind turbine, system and gripping unit for handling a wind turbine blade
The invention relates to methods of handling wind turbine blades and mounting said blades on a wind turbine, said method comprising the steps of lifting a wind turbine hub to the nacelle of wind turbine with a lifting system and mounting the hub on the nacelle. Further, the method comprises the steps of gripping at least one wind turbine blade with a lifting system including at least one gripping unit for handling wind turbine blades, lifting said at least one wind turbine blade into close proximity to said hub, and mounting said at least one wind turbine blade on said hub. The invention also relates to a gripping unit for handling a wind turbine blade during transport.
Owner:VESTAS WIND SYST AS
Strip-till primary tillage system
InactiveUS6871709B2Improved seedbed preparation feature and characteristicWarm up fasterSpadesSoil-working equipmentsAgricultural engineeringTillage
An agricultural tillage implement that employs multiple apparatus to carry out a strip-till farming operation is disclosed. A tillage shank runs a point through the compaction layer to fracture and loosen the soil, forcing it upwardly and outwardly where a pair of angled soil-gathering blades, located adjacent the shank, redirect the soil into a newly created berm. A trailing conditioning rotary reel having a particular cross-sectional profile forms the soil into a uniform raised berm ideally suited for planting.
Owner:BLUE LEAF I P INC +1
Corn head row unit
This row unit utilizes an improved multi-zone, multi-functional stalk roll, which contains a novel revolving entry window to improve entry and increase engagement of the fluted portion of the stalk roll flutes with the corn stalk. The stalk rolls described are multi-sectional and contain multi-length variable flutes. The number of flutes described for each zone may vary as well as whether the flutes are meshing or non-meshing and angled or non-angled. The stalk rolls described allow a constant speed drive shaft to create lower and / or higher effective circumferential contact speeds within each zone of the stalk roll. The invention provides that the rotating transport vanes located on the helical nose cone at the entry area to the stalk roll flutes lock the corn stalk into a revolving entry window. This novel row unit contains a multi-zone, multi-functional stripper plate that ensures minimal ear wedging and maximum discharge of material other than ears. This row unit utilizes a novel gathering / conveying chain(s), which reduces the number of and increases the angle and size of the paddles. This row unit design optimizes operation between the components imparting force to the corn plant and ears. The invention has a smooth uninterrupted improved flow of corn stalk material through the ear separation chamber and is the first row unit designed to be environmentally friendly by ensuring that the majority of the corn plant remains connected to its original root system which prevents it from rapidly decomposing, blowing or washing away. The row unit cover is spatially designed for improved flow in down, damp and tough harvesting conditions.
Owner:CALMER MARION
Rotor blade tip section
A main rotor blade includes a tip section having a splice cap, a structural tip spar, a core and an upper and lower tip skin. The tip section is mounted to a central blade section by mounting the tip spar to a main blade spar. The tip spar includes a first surface substantially parallel to a second surface. The first and second surfaces each extend from a shear web therebetween to define the generally C-shape in cross section. The shear web generally carries rotor blade torsional loads and eliminates the heretofore required structural core. A section of the tip spar overlaps a section of the main blade spar. The tip section thereby transfers the loads carried thereby through interaction between the overlapped spar sections. The tip section core and skins need not be structural members as the tip spar carries rotor blade tip section torsional loads.
Owner:SIKORSKY AIRCRAFT CORP
Rotor blade for a wind power plant
Owner:WOBBEN ALOYS
Blender
InactiveUS20070209528A1Efficient productionSufficient supplyJuice extractionCentrifugesBLENDER/MIXEREngineering
The present invention is related to a blender, particularly to a blender having a blade disk formed with dreg-expel holes in front of leading edges of blades of inner circle, and a ring-typed cover added below a feed chute as well as being hung over the blade disk to keep gaps in between, thereby it can get pulp contained with juice; which introduces less air thereinto, further enzymes found in raw vegetables and fruits may not be destroyed.
Owner:CHANG MING SHIH
Portable leaf grinding device
A portable leaf grinding device (PLGD 10) that is used to grind a substance such as a plurality of compacted leaves into a multiplicity of leaf particles. The PLGD (10) consists of a circular cap (12), a cone-shaped hollow structure (84) that is releaseably attached to the cap (12), and a container (102) that is also attached to the cap (12). The circular cap (12) has attached an upper grinding disk (42) having a plurality of downward-extending leaf grinding blades (58). The upper grinding disk (42) interacts with a lower grinding disk (62) which is attached to the structure (84) and which also includes a plurality of upward-extending grinding blades (72) and a plurality of bores (74). When the circular cap (12) is rotated, the blades on the two grinding disks (46,62) interact with each other to produce the multiplicity leaf particles. The leaf particles can be either stored in the container (102) for later use or used immediately as they exit from the structure (84).
Owner:NAMAKIAN NOJAN +1
Device for fast detection of chlorophyll content in leaf blades, modeling method and detection method
InactiveCN101718683AResolution timeSolve the accuracy problemImage analysisColor/spectral properties measurementsMotion controllerCcd camera
The invention discloses a device for fast detection of chlorophyll content in leaf blades, a modeling method and a detection method. The device comprises a CCD camera, a hyperspectral scanner, an object stage, an electric control translation stage, a motion controller, a computer and a light source supply system with a feedback controller, wherein the CCD camera is connected with the hyperspectral scanner and used for collecting a spectral image of a crop loaded on the object stage scanned by the hyperspectral scanner; the computer is connected with the CCD camera and used for processing the spectral image and obtaining a prediction model for detecting the chlorophyll content; the motion controller is connected with the electric control translation stage, and the object stage is positioned on the electric control translation stage; the motion controller is used for adjusting the position, the translation speed and the translation distance of the electric control translation stage; and the light source supply system is used for providing a light source for the crop loaded on the object stage. The technical scheme of the invention can achieve the purposes of fast and pollution-free detection and has the advantages of high detection accuracy, low cost, simple structure of the detection device and good economic benefits.
Owner:CHINA AGRI UNIV
System for analyzing plant leaf features based on image scanning
ActiveCN103077529AIncrease the level of automationHigh degree of automationImage analysisPattern recognitionEngineering
The invention discloses a system for analyzing plant leaf features based on image scanning. The system comprises the following steps of: (1), preprocessing an image; (2), analyzing and calculating the features of a leaf image; (3), matching with a leaf template; (4), clustering by color; and (5), analyzing specks. The system disclosed by the invention has the advantages that the automation level is high, manual operation in an analytic process is reduced, the automation degree is improved, and meanwhile, manual operation errors are avoided; the execution efficiency is relatively higher than that of a traditional canny operator and a traditional compass operator; the accuracy is higher; and mending operation can be automatically carried out on an incomplete leaf, and the mended area of the incomplete leaf can be automatically calculated.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Wind turbine rotor blade with combined lighting receptor and drain passage and lighting receptor with drain passage
The invention relates to a wind turbine rotor blade which in its tip (1) is provided with a lightning receptor (2) and a drain passage (6; 16; 26; 36; 46; 56) connecting the blade interior (11, 12) with the blade exterior, the drain passage (6; 16; 26; 36; 46; 56) and the lightning receptor (2) having a common interface. The invention further relates to a lightning receptor provided with a drain passage (6; 36; 46; 56).
Owner:LM GLASSFIBER
Treatment fluid application apparatus for foodstuffs and methods related thereto
InactiveUS20050058013A1Good lookingImprove EdibilityRotary stirring mixersMeat/fish preservation using liquidsSpiral bladeDisinfectant
Apparatus and methods for applying treatment fluids, such as disinfectants, flavoring agents, and tenderizing agents, to foodstuff surfaces to, for example, reduce populations of microorganisms or fungi, alter taste, or alter texture. In representative embodiments, the apparatus includes a housing, a fluid delivery system, and a shaft with a protruding surface, the latter adapted to rotatably convey, while agitating and tumbling, the foodstuffs from an inlet to an outlet of the housing, as the fluid delivery system applies a treatment fluid to the foodstuffs. In more specific embodiments, the protruding surface may be paddles, or paddles interconnected by a solid web and having angled distal surfaces, or a spiral blade with radial protrusions, or such a spiral blade along a first longitudinal portion of the shaft and paddles along a second longitudinal portion of the shaft.
Owner:ALCIDE CORP
Shaving implement having a moving blade
InactiveUS20060218804A1Reduce cutting forceBottle/container closurePower operated devicesEngineeringCutting force
The present invention is related to a shaving implement that includes at least a razor cartridge and a mechanism. The razor cartridge includes at least one blade that has a sharpened cutting edge and defines a blade plane. The mechanism is disposed in the shaving plane and moves the blade in the blade plane during shaving. The mechanism may be either a vibration mechanism (i.e., a motorized spinning eccentric weight), or a dithering mechanism (i.e., a piezoelectric element). The cut force required to shave, when the blades are moving in the blade plane, is significantly reduced.
Owner:EVEREADY BATTERY CO INC
High-performance catalyst support
ActiveUS20060019827A1Improve flowReduce eliminateCombination devicesHydrogenEngineeringCatalyst support
A catalyst support is formed of a monolith having corrugated metal leaves. The corrugations of each leaf are oblique relative to the edges of the leaf. Each leaf extends from an interior region to an exterior region, and has corrugations that are non-parallel to the corrugations in an adjacent leaf. Each leaf also includes slits, and is coated with a suitable catalyst. A set of monoliths, made as described above, are stacked within a cylindrical pipe. The corrugations define gas flow channels, which enable heat applied to the exterior of the pipe to travel to the center of the monolith, and back to the outside. The support of the present invention thus facilitates heat transfer to essentially all regions of the monolith. The invention also inherently overcomes the problem associated with thermal mismatch between the metal pipe and a ceramic catalyst material.
Owner:JOHNSON MATTHEY PLC
Wiper blade structure
InactiveUS20080235896A1Improve close contactReduce manufacturing costWindow cleanersVehicle cleaningSubject matterEngineering
A wiper blade structure comprises a pivot assembly, a plurality of deflectors, a plurality of end ferrule caps, a resilient strip, and a blade element. The pivot assembly may comprise a connecting adapter for engaging various wiper arms and the connecting adapter is further coupled with a pivot socket settled on the resilient strip, so that the connecting adapter can be easily connected with various wiper arms. Besides, by the combining structure among the pivot socket, end ferrule caps and the resilient strip, as well as the combination among the deflectors, resilient strip and the blade element, the wiper blade can firmly and closely contact the windshield glass, so that the defects of the conventional wiper blade structures can be remedied. Thus, the disclosed subject matter can perform improved efficiency of use and therefore is an invention having utilitarian value.
Owner:CHENG MING HUI
Manual quick change tool changer
InactiveUS6073512AEconomical to build and maintainMinimize frictionControlling membersMechanical apparatusSprocketEngineering
A manual quick change tool changer, said tool changer including a master plate. The master plate connected to a rotatable sprocket with the sprocket having a plurality of teeth. A thrust bearing engaging the sprocket. A handle connected to the sprocket such that the handle moves a predetermined distance. The tool changer further including a secondary plate that mates with the master plate. The secondary plate further including a plurality of leaves such that the plurality of teeth from the master plate locks underneath the leaves of the secondary plate to secure the master plate to the secondary plate.
Owner:DELAWARE CAPITAL FORMATION
Apparatus for coring into and cutting food items
Owner:BROWNE & CO LTD
Method for obtaining leaf area index and average leaf inclination of rice canopy by using hemisphere photographic process
The invention discloses a method for obtaining the leaf area index and the average leaf inclination of rice canopy by using a hemisphere photographic process. The method comprises the following steps of: collecting a hemisphere image of rice canopy from bottom to top inside the rice canopy by using a digital hemisphere shooting system based on a fisheye lens; after performing gray conversion and binaryzation on the hemisphere image, obtaining the canopy porosity under the zenith angle at a viewing angle of 57 degrees, and calculating the rice canopies LAI and ALIA under the condition of the single zenith angle at the viewing angle of 57 degrees based on the Beer-Lambert law and a poisson model as well as the two characteristics of the blade projection function of the rice canopy; simulating the leaf inclination distribution of the rice canopy by an elliptic function and optimizing the rice canopies LAI and ALIA calculated by using the single-angle method so as to rapidly acquire the rice canopies LAI and ALIA. The rice canopies LAI and ALIA can be obtained in real time without picking up rice blade outdoors for destructive artificial measurement, and basic parameters for monitoring the rice growth in real time and remotely estimating the yield of rice are provided.
Owner:ZHEJIANG UNIV
Inspection tool for measuring bucket Z notch position
An inspection tool for a turbine bucket shroud includes: a clamp device for clamping a dovetail portion of a turbine bucket; a template plate provided with an aperture defined by a edge shaped to conform to a specified shape of the turbine bucket shroud, wherein the template is moveable to a location over the turbine bucket shroud in a direction toward the clamp device, and wherein, at the location, the aperture represents a design specification location for the turbine bucket shroud relative to the dovetail portion of the bucket. A measurement gauge is provided for measuring gaps between edges of the shroud and edges of the template aperture.
Owner:GENERAL ELECTRIC CO
Method and device for quickly detecting area of leaf blade based on mobile phone
ActiveCN102506772AShorten detection timeSimplify the measurement stepsUsing optical meansTelephone set constructionsEngineeringDigital pictures
The invention discloses a method and device for quickly detecting the area of a leaf blade based on a mobile phone. The method comprises the following steps of: selecting a pure-color opaque flat plate of which the color of a front face is different from that of the leaf blade under test as a background plate, wherein the area of the background plate is greater than that of the leaf blade; fixing a reference object with an area of SR on the front face of the background plate, wherein the color of the reference object is different from those of the background plate and the leaf blade under test; placing the leaf blade under test on the front face of the background plate and acquiring a digital picture through image pickup of the mobile phone; performing graying, filtration, geometrical correction, binarization and region connected label processing on the picture to divide the picture into three regions, namely a background region, a reference object region and a region of the leaf blade under test; traversing picture data to obtain total number of pixels of the background plate, the reference object and the leaf blade under test; and finally, automatically calculating the area of the leaf blade under test by the mobile phone according to a formula through the total number of the pixels of the reference object and the leaf blade under test and the area of the reference object given by a user. Through the method and the device, the measuring steps are simplified, the detection time is shortened, and the measurement accuracy is improved.
Owner:NORTHWEST A & F UNIV
Hand held slicer
A hand-held slicing device having a handle connected to a slicing tray. The slicing tray includes a ramp leading to a fixed blade. The ramp is readily adjustable such that the height of the edge of the ramp most closely adjacent the blade can be raised or lowered. In one version, the ramp can be raised or lowered by sliding a support structure connected to a knob that can be slideably adjusted by the user's thumb. The device may include a series of julienne blades that are selectively extendable above the slicing ramp or retractable below the ramp.
Owner:PROGRESSIVE INT
Extension tip sleeve for wind turbine blade
Owner:GENERAL ELECTRIC CO
Film riding pressure actuated leaf seal assembly
In accordance with embodiments of this invention, a pressure actuated leaf seal assembly is provided that includes film riding, hydrodynamic / hydrostatic runners under seal member leaf ends. Leaf seal assemblies according to embodiments of this invention maintain the runner away from a rotating body until adequate rotating speed is present to generate lift required to allow the runner to float on a thin film of operating fluid on the rotating body, so that the runner does not rub the rotating body. In addition, runners are attached, or added, to leaf seal members such that the runners move in a radial direction, while remaining parallel to the rotating body. In one embodiment, a runner can comprise a separate structure coupled to a leaf seal member, and in another embodiment, a runner can comprise a wear-resistant pad on a distal end of a leaf seal member.
Owner:CMG TECH
Leaf seal and method of producing a leaf seal
InactiveUS20070085277A1Reduce distractionsAvoid disadvantagesEngine sealsLeakage preventionContact lineGas turbines
A leaf seal for sealing a shaft rotating about an axis, in particular in a gas turbine, includes a multiplicity of spaced-apart leaves (26) which are arranged in a concentric circle around the axis and are fixed in their position by welded connections produced by electron beam welding, the leaves (26), with their surfaces, being oriented essentially parallel to the axis. The welded connections of the leaves are improved by the leaves (26) being designed in such a way and being arranged in the leaf seal in such a way that they abut against one another at the side edges directly or via intermediate spacers (27) along at least one contact line (36) extending over a plurality of leaves (26), and by the welded connections being designed as welds directed along the at least one contact line (36) and oriented in axial direction.
Owner:ANSALDO ENERGIA IP UK LTD
Process technique for burley tobacco in blend type cigarette
The invention discloses a burley tobacco processing and treating technic in a blended type cigarette. The technic performs a burley tobacco leaf blade making workshop section, a burley tobacco making leaf shred workshop section, and a leaf shred mixing workshop section. The burley tobacco processing and treating technic is used for processing and treating a burley tobacco which is used as an individual formula module in the blended type cigarette, and is impenetrated in the whole process from leaf blade making to leaf shred marking; aiming at the treatment of the material of the burley tobacco, for example, the feed liquid of the burley tobacco is applied by steps and proportion; the baking and the drying of the burley tobacco are performed after cutting shred; the existing burley tobacco baking mode is substituted, a burley tobacco leaf shred baking and drying process mode is adopted, the water ratio and the temperature of the exported leaf shred is fed back and controlled; the processing route of the existing burley tobacco processing technic is changed, a processing technic for shred mixing is adopted. The burley tobacco processing and treating technic can adopt different processing parameters and routes according to the needs of products and different qualities and characters of different burley tobacco raw materials, thus the aesthetic quality of the blended type cigarette is improved, the process flow is simpler, and the processing method is more flexible.
Owner:XIAMEN TOBACCO IND
Processing equipment for pulverizing kitchen solid rubbish
InactiveCN101274330AReduce water contentAvoid the effects of processingSolid waste disposalFiltration separationConvex structureEngineering
The invention relates to a smashing device for processing solid kitchen wastes, which comprises a wet crusher and a pressure filter, wherein, an upper knife and a lower knife are arranged inside a shell of the wet crusher and fixedly arranged on the same rotating shaft, a fixed pore plate and a movable pressure plate are arranged inside the shell of the pressure filter, the pressure plate is positioned above the pore plate and provided with a pressure filtering drive mechanism that drives the pressure plate to move upward and downward, and a material outlet of the wet crusher is connected with a material inlet of the wet crusher through a connecting tube. The upper knife and the lower knife both take a shape of a leaf blade and keep a certain distance between each other, a ring-shaped inward convex structure is arranged on a channel inside the shell that is between the upper knife and the lower knife, the pore plate is arranged on an accessory with a fourth height at the lower part of the crusher shell, and a screw rod is connected with the pressure plate. The smashing device with the system has simple structure and strong applicability, and can smash the solid kitchen wastes, press and filter the solid kitchen wastes into filter mass, thus being favorable for subsequent processing and using.
Owner:BEIJING HENGYECUN S&T
Tissue culture and rapid propagation method for pinellia tuber plant
InactiveCN102150624AReduce the numberIncrease the level of automationPlant tissue cultureHorticulture methodsMedicinal herbsPlant cell
The invention relates to a tissue culture and rapid propagation method for a pinellia tuber plant and belongs to the technical field of plant cell engineering. Organs such as sterile blades, leaf stalks, cluster buds and the like of pinellia tuber are used as inoculating materials. The method comprises the following steps of: transplanting the inoculating materials into an intermittent submerged culture reactor, and performing two stages of proliferating and inducing, and rooting and generating and culturing tubers; and after the proliferating culture is finished, replacing a proliferation culture medium with a rooting and tuber generating culture medium under the aseptic condition so as to promote the forming of the tubers of the pinellia tuber. By the method, the automation degree in the production process of pinellia tuber seedlings is greatly improved, the human input is reduced during the culture, and the proliferation rate is greatly improved. The pinellia tuber seedlings which are produced by the reactor have the advantages of no pathogenic bacteria, uniform and stable heredity and the like. The survival rate is obviously improved, the labor cost is obviously lowered, and the guarantee for producing a great number of high-quality seedlings and isolated tubers at low cost is provided. By the method, the seedling quality during the plantation of pinellia tuber medicinal materials is improved, the seedling cost is lowered, and economic benefits are obviously improved and the same time.
Owner:NANJING UNIV OF TECH
Blade driving apparatus for cameras
A blade driving apparatus for cameras includes a base plate having an aperture section for a photographing optical path; a partition plate having an aperture section for the photographing optical path so that a blade chamber is interposed between the base plate and the partition plate; a cover frame having an actuator chamber between the partition plate and the cover frame; a permanent magnet rotor rotatably mounted on the cover frame so that an output pin is introduced into the blade chamber; a yoke in which tops of two legs constructed as magnetic pole sections are opposite to the peripheral surface of the rotor in the actuator chamber and one of the two legs is fitted into a bobbin around which a coil is wound; and at least one blade rotatably mounted to a shank for at least one blade which is set upright on the cover frame and is introduced into the blade chamber, and introduced into, and removed from, the exposure aperture by the output pin.
Owner:COPAL CO LTD
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