30 results about "Gravity feed" patented technology

The invention provides a liquid pumping apparatus, system and method for increasing the flow of fluid in a gravity feed network. The invention provides an in-line main pipe with upstream and downstream portions flanking a manifold that houses a check valve. One or more branch pipes may form a fluid bypass around the manifold. Each branch pipe includes a pump configured to accelerate the fluid in at least partially the same direction as the downstream flow. A sensor may be adapted to measure a parameter related to the liquid level in the main pipe. A rotary encoder may be adapted to measure the flow rate in the main pipe as a proportional function of the check valve angle, under gravity flow conditions. A control system may energize the pumps when the liquid level in the main pipe is above a predetermined threshold according to the parameter.

A magazine for loading projectiles into a launch assembly by gravity feed. The magazine has a plurality blades radially extending from a central axis and defining a like plurality of compartments in an axially rotatable ring. The ring rests upon a stationary deck plate having a hole for gravity feed of the projectile into the launch assembly below. Projectiles having different fight characteristics are deposited into the compartments at a safe location, supported by the deck plate and the launch assembly with an associated device are transported to a hostile environment. A first projectile is launched by the launch assembly in a longitudinal direction. The launch assembly is retracted, automatically indexing the rotatable ring and dropping the next projectile through the hole and into the launch assembly for subsequent launch.

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 cooking grill has a cooking chamber containing a cooking grate, a solid fuel fire pit beneath the cooking chamber, 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 firepit by gravity, and a fan directing combustion air into the fire pit.

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.

A gravity-feed dispensing system includes a dispenser having a hopper and a valve. The hopper is configured to hold a bulk material. The valve is configured to selectively connect to the hopper. The valve includes an actuator assembly operable between open and closed conditions to selectively permit bulk material to pass from the hopper through the valve. A fixture includes a shelf configured to support the dispenser. A rail is at the front of the shelf. The dispenser is configured for pivotable engagement with the rail. A latch is configured to releasably retain the dispenser in an operative position on the shelf.

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.

A system having a hopper that receives fuel pellets and direct the pellets under gravity feed to an auger that moves the pellets into a firepot inside a cooking chamber of a grill. The system includes a door below the auger that has a closed position that retains fuel pellets in the auger such that the fuel pellets feed to the auger, and has an opened position to allows the pellets to empty from the hopper and away from the auger. A closing mechanism allows a user to selectively open or close the door.

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.

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.

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.

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 refrigeration system includes a compressor, condenser, separator, and evaporator. A condenser inlet is connected to an outlet of the compressor. A separator inlet is connected to an outlet of the condenser. An evaporator inlet is connected to a first outlet of the separator. An evaporator outlet is connected to the separator inlet. The refrigeration system includes a control unit having instructions stored thereon for executing a method comprising the steps of repetitively calculating a refrigeration load on the evaporator. and controlling a level target of refrigerant in the separator based on the calculation of the refrigeration load. In one configuration, the separator is positioned substantially laterally of the evaporator so that the refrigerant is gravity fed from the separator to the evaporator.

A furnace comprising: a gravity feed reactor having: an inner tube defining an interior; a heating assembly circumferentially surrounding at least a portion of the inner tube, where the heating assembly has at least one heating element configured to apply heat to the inner tube; a housing defining at least a lower portion of a gas passage circumferentially surrounding the heating assembly; and a feed structure configured to receive a feedstock, the feed structure defining a feedstock receiving space in communication with the interior of the inner tube of the reactor, where the interior of the inner tube of the reactor is fluidly isolated from the heating assembly and the gas channel.

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.

A gravity-feed dispensing system includes a dispenser (100) having a hopper (102) and a valve (104). The hopper is configured to hold a bulk material. The valve is configured to selectively connect to the hopper. The valve is operable between open and closed conditions to selectively permit bulk material to pass from the hopper through the valve. A fixture (300) includes a shelf (79) configured to support the dispenser (100). A rail (308) is at the front of the shelf. The dispenser is configured for pivotable engagement with the rail. A latch (310) is configured to releasably retain the dispenser in an operative position on the shelf.

A secondary silo on a second portable frame is independently portable relative to a primary silo and a vertical conveyor on a first portable frame. The vertical conveyor conveys flowable proppant material from an intake hopper below the primary silo into either one of the silos. The silos have gravity discharge chutes that are gravity fed directly into a proppant blender unit. An unloader on wheels is self-propelled and steerable relative to the silos. The unloader can be lowered relative to the wheels to sit on the ground to allow vehicles to drive over the unloader for discharge. Intake hoppers of the unloader can be raised up against the vehicle to form a closed duct discharging from the vehicles into the unloader. A discharge of the unloader forms a closed passage with the intake hopper of the vertical conveyor.

A spray gun assembly (100) for applying a coating with plural components includes a nozzle (102), a main pneumatic inlet (104), an atomizing air flow path (110), a fan air flow path (112), a colloidal feed inlet (114), an internal atomizing outlet (120), a pressurized feed inlet (122), and a catalyst outlet (128). The nozzle includes a main atomizing outlet and a fan air outlet. The main pneumatic inlet receives compressed air from a compressed air source (108). The colloidal feed inlet receives a colloidal suspension component of the coating via gravity feed from a gravity feed container (116). The pressurized feed inlet receives a catalyst component of the coating from a pressurized feed container (124). The catalyst outlet expels the catalyst component in the fan air flow path proximate the nozzle. A method for applying a coating with plural components is also provided. A system includes the gravity feed container, the pressurized feed container and the spray gun assembly.

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 invention discloses a gravity feeding sawing machine with a feeding frame in the technical field of sawing machines, which comprises a support frame, a workbench is hinged to the top of the support frame, a hydraulic rod is hinged to the top of the support frame, one end of the hydraulic rod is hinged to the bottom of the workbench, and a second electric telescopic rod is arranged on the rear side wall of a support plate. One end of the second electric telescopic rod is connected with the front side wall of the moving seat, a rotating motor is arranged at the top of the moving seat, the output end of the rotating motor is connected with a saw disc, a feeding frame is arranged at the top of the workbench, a positioning mechanism is arranged on the outer side wall of the feeding frame, and a mounting frame and an adjusting mechanism are slidably connected to the top of the workbench; a baffle is hinged to the right side wall of the mounting frame, opening mechanisms are arranged on the front side wall and the rear side wall of the mounting frame correspondingly, and a fixing mechanism is arranged in the mounting frame. By arranging the positioning mechanism, wood is kept stable when sliding downwards by means of gravity, and it is guaranteed that the wood cannot deflect or roll over easily.

A cooking grill has a cooking chamber containing a cooking grate, a solid fuel fire pit beneath the cooking chamber, 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 firepit by gravity, and a fan directing combustion air into the fire pit.

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.

A portable fuel and lubricant delivery system for chainsaws is disclosed, comprising a wearable harness and a dual-container assembly. The system is designed to improve the operational efficiency and autonomy of chainsaw use by providing a continuous, automatic supply of fuel and lubricant directly to the chainsaw. One container within the assembly is dedicated to fuel, while the other holds lubricant. The containers are detachable and reconfigurable, accommodating various types and volumes of fuel and lubricants. An integral set of hoses, featuring a gravity feed mechanism, connects the containers to the chainsaw, ensuring a steady flow of fluids. The system further comprises a set of control valves or nozzles for connecting to the chainsaw's intake points, and the hoses are protected by a durable sheath. The invention is adaptable to various chainsaw models and other gas-powered tools, providing a versatile solution for fuel and lubricant delivery in demanding applications.

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.