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185 results about "Shunt flow" patented technology

Liquid flow frame for liquid flow battery

The invention provides a liquid flow frame for a liquid flow battery. The liquid flow frame includes a first shunt flow channel, a first transition flow channel, a second shunt flow channel and a second transition flow channel; the first shunt flow channel is arranged at one end of a reaction zone and communicates with the reaction zone, and a longitudinal cross-sectional area of the first shunt flow channel decreases gradually in a first direction; one end of the first transition flow channel communicates with one end, having larger longitudinal cross-sectional area, of the first shunt flow channel, and the other end of the first transition flow channel is provided with a first liquid port; the second shunt flow channel is arranged at the other end of the reaction zone and communicates with the reaction zone, and the longitudinal cross-sectional area of the second shunt flow channel decreases gradually in a second direction; one end of the second transition flow channel communicates with one end, having larger longitudinal cross-sectional area, of the second shunt flow channel, and the other end of the second transition flow channel is provided with a second liquid port, wherein the first direction and the second direction are opposite. According to the liquid flow frame provided by the invention, and with the shunt flow channels having the flow channel width decreasing gradually, the flow quantity and speed of an electrolyte solution flowing into the reaction zone are more homogenized, and the service life of electric piles is prolonged.
Owner:TSINGHUA UNIV

Movable shunting blocking system for debris flow prevention and control

The invention relates to a movable shunting blocking system for debris flow prevention and control. The blocking system comprises a desilting shunting dam, two movable flow guiding mechanisms, an energy dissipation blocking dam and an intercepting dam; and the debris flow is divided into two strands by the desilting shunting dam and then is subjected to secondary shunting and desilting under the guidance of the movable flow guiding mechanisms, the energy dissipation blocking dam is used for dividing the debris flow into two strands, guiding the two strands of debris flow to form convection currents which flow to the intersecting direction, and then turbulent flow is formed through hedging during intersection so as to dissipate the energy of the debris flow. According to movable shunting blocking system for debris flow prevention and control in the invention, a multi-level and multi-functional elastic prevention and control mechanism composed of the movable shunting dam, the energy dissipation blocking dam and the intercepting dam is established in a flow channel where the debris flow happens frequently to carry out elastic interception, partial interception, region retention and deceleration energy dissipation on the debris flow, so that the impact force and the damage property of the debris flow are greatly reduced; and the blocking system is high in anti-geological disaster capability, and even if part of damage occurs, the prevention and treatment effect is not seriously affected.
Owner:段刚强

Injected metal bead channel seal achieved through stamped plate features on fuel cell bipolar plates

A fuel cell system with reduced leakage and a method of assembling a fuel cell system. Bipolar plates within the system include reactant channels and coolant channels that are fluidly coupled to inlet and outlet flowpaths, all of which are formed within a coolant-engaging or reactant-engaging surface of the plate. One or more seals are also formed on the fluid-engaging surface to help reduce leakage by maintaining fluid isolation of the reactants and coolant as they flow through their respective channels and flowpaths that are defined between adjacently-placed plates. The seal—with its combination of in-plane and out-of-plane dimensions—forms a substantially hollow volume, into which a plug is placed to reduce the tendency of the seal to form a shunted flow of the coolant or reactant around the intended active area of the plate. A fluid port intersection is integrally formed with the seal and is formed to be fluidly cooperative with the volume, and is capable of accepting the introduction of a fluent precursor of the plug material such that upon curing, the precursor material forms a substantially rigid insert that continuously fills both the volume and intersection, thereby increasing the resistance of the plug to movement and the seal to shunted flow. In one form, the geometry of the fluent material injection site is such that it promotes plug anchoring within its intended location, while also providing a manufacturing aid to visually inspect for plug installation, as well as to serve as a bipolar plate stacking alignment locator and verification.
Owner:GM GLOBAL TECH OPERATIONS LLC

Novel standard metal measuring vessel with double-layer structure and internally-clamped heat insulation layer for testing oiling machine

The invention disclsoes a novel standard metal measuring vessel with a double-layer structure and an internally-clamped heat insulation layer for testing an oiling machine, belongs to the technical field of a standard measuring vessel and aims at solving the problems that the conventional standard metal measuring vessel for testing the oiling machine is unreasonable in structural design, adopts a single-layer metal measuring vessel main body and is relatively poor in comprehensive function. According to the novel standard metal measuring vessel, an adopted standard metal measuring vessel main body has a double-layer metal plate structure and is internally provided with the heat insulation layer in a clamping way, a liquid level pipe is provided and connected with two vernier calipers form an angle being 90 degrees, an oiling gun support is movable, a pressure relief shunting flow bent pipe is installed and connected on a drainage pipe connected with the movable oiling gun support, a vent hole is formed in the drainage pipe connected with the movable oiling gun support, a liquid outlet of the pressure relief shunting flow bent pipe is connected in an overflow cover in an inserting manner, a liquid splashing prevention conical cover disc is sheathed on a drainage pipe body positioned in an inner cavity of the overflow cover, and dual-channel microcomputer thermodetectors are installed and connected in a gun outlet temperature measuring hole sleeve and an oil temperature measuring hole sleeve of the metal measuring vessel main body. The novel standard metal measuring vessel has a simple and practical structure and is suitable for testing various types of oiling machines.
Owner:车建军

Air conditioner gas bypass noise reduction method and structure

ActiveCN103032945ASlow down flow impact speedReduce noiseNoise suppressionEngineeringNoise reduction
The invention discloses an air conditioner gas bypass noise reduction method and a structure, and relates to the field of air conditioner noise reduction, in particular to a noise reduction method and a noise reduction structure of an air conditioner gas bypass pipe. The air conditioner gas bypass noise reduction method comprises the following steps: A. arranging a gas bypass noise reduction structure between a high-pressure exhaust pipe and a low-pressure gas suction pipe of the air conditioner, wherein the gas bypass noise reduction structure is a shunt noise reduction component at one end of the low-pressure gas suction pipe; and B. calculating the amount of shunt flow by adopting high-pressure and low-pressure bypass coolants, and identifying the number of shunt pipes of the shunt noise reduction components, the size of the diameter of each pipe, and the gas flow velocity in each pipe. With the adoption of the air conditioner gas bypass noise reduction method and the structure, the flow impact speed of the coolants entering a gas suction side is slowed down through the condition that a bypass fluid is shunted in proportion, so that the gas bypass noise is reduced, the low-frequency vibration amplitude of a copper pipe is reduced, and the service life of the gas bypass pipe is prolonged.
Owner:SHENZHEN MCQUAY AIR CONDITIONING

Blow-moulding device for composite plastic bottle and method for manufacturing composite plastic bottle

The invention discloses a composite plastic bottle blowing molding device, which comprises a material shunting mechanism and at least two die heads. The material shunting mechanism is installed on the upper ends of both die heads; each die head comprises a die casing, a die core and a die ring which is sheathed at the outer side of the die core and is fixed at the lower end of the die casing, and an air inlet is arranged on the die core; the material shunting mechanism comprises at least two shunting blocks which are piled up in sequence, a shunting pipeline is arranged inside in each shunting block, the shunting pipelines comprise inlets which can be connected with a material supplying device and shunting outlets with the amount being identical with that of the die heads, and each shunting outlet is connected with the shunting flow channel inlet of a die head. A composite plastic bottle manufacturing method comprises the following steps: at least two materials are evenly and respectively fed to each die head; the materials are respectively conveyed downward to the outlet opening of the die head through the shunting flow channel to be converged, are extruded from the lower end of the die head; and therefore the high-barrier composite plastic bottle is produced. The composite plastic bottle blowing molding device has the advantages of high production efficiency, simple structure, lower cost, and good operation effect.
Owner:肖曼华
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