14 results about "Gravity feed" patented technology

The invention discloses an unmanned aerial vehicle nest top cover dual-motor control method and device, and relates to the technical field of unmanned aerial vehicles, and the method comprises the steps: setting a system state variable and a control input vector based on nest top cover data, first motor drive data, second motor drive data, coaxial transmission data and top cover angle data; constructing a motor rotor kinetic equation based on corresponding data in combination with a shaft torsion effect; constructing an angle kinetic equation and an electrical kinetic equation of the nest roof based on the corresponding data; constructing a state space model based on a system state variable, a control input vector and the kinetic equation to generate LQR optimal control, integral control and coupling suppression control in combination with a current difference; and determining a comprehensive control model based on gravity feed-forward compensation in combination with LQR optimal control, integral control and coupling suppression control so as to control the double motors. According to the invention, global optimality and control stability are guaranteed, multi-target control is realized, and the control precision of double motors is significantly improved.

A gravity fed smoker includes a smoking enclosure and an external stack. The stack is double walled with an inner wall, and an outer wall. A vented cooling space exists between the inner wall and the outer wall. An inner chamber of the external stack includes a fire box with a fire grate and a feed hopper positioned above the fire box. A smoke tunnel with a series of openings for releasing smoke into the smoking enclosure extends along the bottom of the food smoking enclosure and is connected to the external fire box at one end. Fuel, including charcoal, lump coal, or wood pellets, is loaded into the feed hopper. As the fuel burns on the fire grate and turns to ashes, the fuel is fed from the hopper onto the fire grate by gravity. A fan and dampers controls air flow through the fire grate and into the smoke tunnel.

Described herein relates to an apparatus and method for optimized dispensing of conduit cleaning agent(s). The apparatus may be configured to dispense cleaning agent(s) (e.g., vinegar and / or acetic acid) into a conduit line (e.g., a condensate drain) at predetermined timed intervals. The apparatus may be adapted for multi-unit dwellings where conduit pathways are shared between different units and air conditioning systems. The apparatus may include a plurality of timer-controlled valves (e.g., motorized valves), which may be synchronized to simultaneously release the cleaning agent(s). Additionally, the apparatus may comprise a reservoir that may gravity feed the cleaning agent(s) into these integrated timer / release valves. As such, activation by the timer may cause the release of the cleaning agent(s) into the conduit line via tubing. Accordingly, the system may be configured to prevent substance accumulation / occlusion in the conduit line of a HVAC, refrigeration, and / or septic systems, and / or minimize the need for regular maintenance.

The invention discloses a novel methanol filling and lightering system for a large liquid cargo ship, which comprises a left-side filling station, a right-side filling station, a left-side methanol storage cabin and a right-side methanol storage cabin which are arranged in an upper deck cargo oil area, and further comprises a methanol lightering pump and a methanol supply unit which are arranged in a methanol preparation room, a first filling pipeline is arranged between the left-side filling station and the right-side filling station and the left-side methanol storage cabin, and a second filling pipeline is arranged between the right-side filling station and the right-side methanol storage cabin; a second filling pipeline is arranged between the left and right board filling stations and the right board methanol storage cabin, a first mutual connection pipeline and a second mutual connection pipeline are arranged between the left board methanol storage cabin and the right board methanol storage cabin, and a first gravity supply pipeline is arranged between the left board methanol storage cabin and the methanol supply unit; a second gravity supply pipeline is arranged between the starboard methanol storage cabin and the methanol supply unit, a first lightering pipeline is arranged between the starboard methanol storage cabin and the methanol supply unit, and a second lightering pipeline is arranged between the starboard methanol storage cabin and the methanol supply unit. The system optimizes the pipeline layout and reduces the maintenance cost on the premise of ensuring the safety of fuel supply.

The utility model discloses an activated carbon regenerated material and gravity type delivery device, and particularly relates to the technical field of activated carbon regeneration, which comprises a storage hopper, a fixed frame fixedly connected to the outer side of the storage hopper, a blanking hopper fixedly connected to the bottom of the storage hopper, a blanking pipe hinged to the outer side of the blanking hopper, and a loosening mechanism arranged inside the storage hopper; the loosening mechanism comprises a baffle, the outer side of the baffle is rotationally connected with the inner side of the storage hopper, and a plurality of clamping grooves are formed in the inner side of the baffle. The baffle, the driving disc, the fixing pin, the transmission rod and the driven disc are driven by the gravity of an activated carbon regenerated material to convert vertical falling potential energy into reciprocating rotation power of the rotating shaft, the cohesive force of the material can be broken through stirring of the rotating shaft without additional energy consumption, and the loose state of activated carbon is kept; the pipeline is deflected through the air cylinder and the support, materials are guided to the center area of discharging equipment, impact force is dispersed to reduce local abrasion, the service life of the equipment is prolonged, and production continuity is guaranteed.

The present invention relates to a gravity fed water skimmer having a variable flow control device or valve that is manually adjustable to vary the flow of water from a body of water through a drain head that forms a part of the water skimmer to a discharge point.

The application discloses a shrinkage-preventing valve body casting mold and relates to the technical field of valve body casting molds. The mold comprises an upper mold and a lower mold, and further comprises a shrinkage-preventing mechanism. An upper mold cavity is formed in the upper mold, a lower mold cavity is formed in the lower mold, an upper cooling runner is formed in the upper mold, and a lower cooling runner is formed in the lower mold. The shrinkage-preventing mechanism comprises a gentle curved surface formed in the inner wall of the lower cooling runner. In the application, directional cooling from bottom to top and local temperature control of hot spot positions are adopted to guide the sequential solidification of the casting from the positions far from the riser to the riser direction, ensure the smoothness of the feeding channel, and combine the double pressure feeding mechanism of spring pressurization and cooling liquid storage pressure to upgrade the traditional passive gravity feeding to active pressure feeding, greatly improve the feeding efficiency and feeding pressure, and force the metal liquid to penetrate into the interdendritic shrinkage area, so that the valve body casting with extremely compact internal structure is obtained.

The present invention relates to a vertical gravity feed device for granular material, comprising an inlet, an outlet arranged vertically below the inlet, in particular a first passage cross section of the inlet being larger than a second passage cross section of the outlet, a process chamber arranged between the inlet and the outlet, the process chamber being configured to receive the granular material and to carry out a process on the granular material in the process chamber, and at least one disruptive element arranged in the process chamber, the disruptive element being configured to set a flow speed of the granular material in the process chamber.

A cooking grill has a cooking chamber containing a cooking grate, a solid fuel fire pit beneath the cooking chamber, an ignitor in the fire pit, a fire chimney interposing the fire pit and the cooking chamber, a fuel hopper attached to a fuel chute directing solid fuel from the hopper into the fire pit by gravity, and a fan directing combustion air into the fire pit.

The application discloses a condensing compression integrated unit realizing gravity liquid supply, and relates to the technical field of industrial refrigeration. The unit comprises a support structure, an evaporative condenser, a compressor, an economizer, a gravity liquid supply barrel and an evaporator. The support structure is designed in layers, the evaporative condenser is arranged in an upper layer cavity, and the compressor is arranged in a lower layer cavity. The economizer is connected with the evaporative condenser and the gravity liquid supply barrel, and the gravity liquid supply barrel is connected with the evaporator. The condensing compression integrated unit realizing gravity liquid supply disclosed by the application can effectively improve the energy efficiency of a refrigeration system by supercooling treatment of refrigerant through the economizer and a full-liquid supply mechanism of the gravity liquid supply barrel, thereby being applicable to the demand of medium and large-sized refrigeration projects. In addition, the evaporative condenser and the compressor are arranged in an up-down mode, and the economizer, the gravity liquid supply barrel and the like are arranged on the base, so that the overall structure of the condensing compression integrated unit is more compact, and transportation and installation are facilitated.

The utility model relates to the technical field of medical instruments, in particular to a gravity feeding device. The gravity feeding device comprises a liquid graduated bottle, an extension tube, a connector and an exhaust structure, the top of the extension tube is communicated with the liquid graduated bottle, the exhaust structure is arranged at the bottom of the extension tube, the connector is connected between the exhaust structure and the extension tube, and the connector is used for being connected with a stomach tube; the extension tube is provided with a speed adjusting structure used for adjusting the liquid dripping speed. The gravity feeding device provided by the utility model is provided with a speed regulating structure, so that the individual requirement of a child patient can be met, and the liquid dripping speed is uniform and appropriate; and the exhaust structure can realize automatic exhaust, so that the waste of liquid is reduced.

The utility model discloses a gravity feeding injection molding device for edible oil bottle caps, and relates to the technical field of oil bottle processing. The edible oil bottle cap gravity material supplementing injection molding device comprises a material supplementing hopper, an electric heating pipe and a circular plate, a mixing space is formed in the material supplementing hopper, the electric heating pipe is arranged on the material supplementing hopper and located outside the material supplementing hopper, and a rotating rod and a driving motor are arranged on the circular plate. According to the gravity supplementing injection molding device for the edible oil bottle caps, through the arrangement of the rotating rod, materials in the supplementing hopper can be stirred and mixed, so that the materials can be conveniently added to a hopper of an injection molding machine subsequently, the mixing effect of the materials is ensured, and the materials can be heated through an electric heating pipe; and through arrangement of a scraping plate, the materials adhered to the inner wall of the material supplementing hopper can be scraped during rotation, and the situation that the materials are adhered to the inner wall of the material supplementing hopper and are difficult to discharge through the material supplementing hopper is avoided.

A gravity-feed dispenser is connected to a hopper configured to hold a bulk material for dispense. The gravity-feed dispenser includes a spout and a valve separating the hopper from the spout. An actuator assembly is connected to the valve and includes a detectable element. The actuator assembly is operable to move the valve between open and closed conditions to selectively permit bulk material to pass from the hopper out of the spout. A fixture is configured to engage and support the gravity feed dispenser. A sensor is connected to the fixture and is positioned relative to the actuator assembly. The sensor operates to detect the detectable element of the actuator assembly and produce a signal indicative of the open condition or the closed condition.

The utility model discloses a premature infant gravity feeding lifting device, including a sucking disc, a locating rod, a support rod, a lock fastener assembly, an extension pipe, a snake pipe and a clamping piece, the lower end of locating rod is connected to the sucking disc, and the locating rod has sliding cavity and the lock fixed hole that communicates in sliding cavity, the support rod can telescopic type go into the locating rod, the lock fastener assembly includes locking piece and driving piece, locking piece can be movably arranged in sliding cavity, driving piece is connected to locking piece, and driving piece can drive locking piece to move to switch locking piece between locking state and unlocking state, so, through the arbitrary bending universal snake pipe is connected to the upper end of extension pipe, makes it can arbitrary angle bending, to satisfy the demand of different angle and different height of feeding container.