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466results about How to "Economical price" patented technology

Double trim tab

The invention involves a double trim tab for watercraft in which connection the flow interceptor (1) is activated by an actuation cylinder (4) and the flow interceptor (1) activates the bottom tab (2). One of the tabs may have a course correction device (10) or a course correction fin (11). In addition, an electronic steering device (14) can likewise carry out a course correction in the event of a trim change in which connection the steering wheel (17) is kept neutral by means of an uncoupling device (18).
Owner:MULLER PETER

Method for cooperatively promoting agglomeration growth of PM (particulate matter) 2.5 and treating desulfuration wastewater in evaporation manner and device of method

The invention discloses a method for cooperatively promoting agglomeration growth of PM (particulate matter) 2.5 and treating desulfuration wastewater in an evaporation manner and a device of the method. The method particularly includes steps that agglomeration liquor prepared by desulfuration wastewater, high polymer adhesive and wetting agent is sprayed into an inlet flue of an electric precipitator and is evaporated by the aid of heat of flue gas, in an evaporation process, the wetting agent promotes dust to enter drops of the agglomeration liquor, the high polymer adhesive is connected with PM2.5 via a polymer chain with polar groups, the grain diameter of the PM2.5 is prompted to be enlarged, so that the PM2.5 can be gathered by the follow-up electric precipitator, the desulfuration wastewater is evaporated completely, suspended matters and dissolvable pollutants in the wastewater are converted into solid to be dissolved out, and the suspended matters and the dissolvable pollutants in the wastewater, together with dust in the flue gas, are gathered by the electric precipitator. The device consists of a boiler, an air preheater, the electric precipitator, a desulfurizing tower, a hydraulic cyclone, a desulfuration wastewater clarification tank and an agglomeration liquor preparation tank, and a double-fluid atomizing nozzle is arranged in the flue between the air preheater and the electric precipitator.
Owner:SOUTHEAST UNIV

Top pull type front derailleur

A top pull type front derailleur is designed to move or shift a chain between two or more sprockets for changing gears. The front derailleur basically has a bicycle frame clamping band, a linkage assembly and a chain guide. The linkage assembly includes a cable connection point and is arranged between the bicycle frame clamping band and the chain guide to move the chain guide laterally towards and away from the clamping band. The clamping band has a top pull cable guide surface that is configured and arranged relative to the clamping band to guide a cable from vertically above the clamping band to the cable connection point when the front bicycle derailleur is operatively mounted to a bicycle frame. Preferably, the top pull cable guide surface is formed on a peripheral surface of a roller that is rotatably mounted on the clamping band.
Owner:SHIMANO INC

Positive electrode active material for secondary battery, method of preparing the same and secondary battery including the same

The present invention provides a positive electrode active material for a secondary battery and a secondary battery including the same, which includes a core; a shell located to surround the core; and a buffer layer located between the core and the shell, and including a three-dimensional network structure connecting the core and the shell and a pore, in which the core, the shell, and the three-dimensional network structure in the buffer layer each independently include a lithium nickel-manganese-cobalt-based composite metal oxide, and the positive electrode active material has a BET specific surface area of 0.2 m2/g to 0.5 m2/g, a porosity of 30 vol % or less, and an average particle size (D50) of 8 μm to 15 μm. The decomposition of the active material may be minimized by a rolling process in the manufacture of an electrode by controlling the specific surface area, average particle diameter and porosity of the active material particles as well as the specific structure, the reactivity with an electrolyte solution may be maximized, and the output and lifespan characteristics of the secondary battery may be improved since the particles forming the shell have crystal structure with orientation which facilitates intercalation and deintercalation of lithium ions.
Owner:LG ENERGY SOLUTION LTD
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