40 results about "Free swimming" patented technology

A pelagic free swimming aquatic vehicle includes a rigid forebody having a predetermined volume; a watertight chamber in the forebody; and a flexible afterbody having a lesser volume than the forebody and including a maneuvering and propulsion propulsion structure and a drive system for driving the structure with a traveling sinusoidal wave motion.

The invention discloses a miniature cable-free swimming robot which comprises head part, a fuselage and a tail fin, wherein the head part is arranged at one end of the fuselage, and the other end of the fuselage is fixedly connected with one end of the tail fin. The miniature cable-free swimming robot is characterized in that the head part and the fuselage are in hollow structures inside, the fuselage is internally provided with a piezoelectric ceramic stack, a micrometric displacement amplifying structure and lateral fins made of giant magnetostrictive thin film hyperbolic plates, all of which are symmetrically distributed, wherein the head part is internally provided with a radio frequency transceiver, and the lower part of the fuselage is internally provided with a drive power. With the adoption of the technical scheme, the miniature cable-free swimming robot makes main movement realizes highest work by depending on the external magnetic field, and realizes steering motion by depending on the drive device with low power consumption, and is simple in structure and long in time of endurance, thus having a very good practical value.

A vent valve for a buoyancy control device suitable for free-swimming divers, where the valve may be opened both manually and by a powered means, such as from a hydraulic or pneumatic pressure line, the hydraulic or pneumatic pressure being equalised with the ambient pressure when not activated.

An automatic buoyancy control device suitable for free-swimming divers, providing the functions that may include a controlled ascent rate, controlled descent rates, the imposition of a maximum depth limit, the facility to hold a set depth and to follow a dive profile or decompression profile. The device, control process and subsystems provide a high safe failure fraction.

The method of incubating brine shrimp cyst to produce free swimming nauplius brine shrimp larva is to setting brine shrimp cyst and the additive in the weight ratio of 100 to 0.5-4 simultaneously into incubating culture medium. The additive is organic benzene containing one or several o-hydroxy radicals, such as pyrogallic acid, methyl pyrogallate, tannic acid, tanning extract, ea polyphenol, etc. The additive can damage the diapause mechanism of brine shrimp cyst to raise the brine shrimp cyst incubating within 24 hr to 90 %, and has flocculating effect to separate nauplius brine shrimp larva easily from un-incubated brine shrimp cyst. The present invention expands the application range of incubating culture medium and is especially suitable for incubating treatment of brine shrimp cyst the inland brine lake produces.

The invention relates to an inflation-free swimming ring. A ring body is made by means of soft foaming of PU (polyurethane) materials. A seal covering is disposed on the surface of the ring body. Air exhausts generated during soft foaming of PU are arranged at joints of the upper portion and the lower portion of the outer edge of the swimming ring. The inflation-free swimming ring has the advantages of safety, reliability, softness, comfortableness and long service life.

The invention discloses a drowning-free swimming learning rapid accomplishing device for simulating rivers. The device comprises a quadrangular swimming pool. A cubic shallow water platform is arranged on the right side of the swimming pool. The right side face of the shallow water platform is attached to the inner wall of a right side plate of the swimming pool. The upper edge of the left side face of the shallow water platform is hinged to the upper end face of a floating plate. The lower end face of the floating plate is connected with the bottom of the swimming pool. The top face of a front panel and the top face of a rear panel of the swimming pool are each provided with a walking rail, and a crane is arranged between the two walking rails; a water pump is arranged on the left outer side of the swimming pool, the water inflow end of the water pump is connected with a water inflow pipe, an inlet of the water inflow pipe is formed in the bottom in the swimming pool, the water outflow end of the water pump is connected with a water outflow pipe, and an outlet of the water outflow pipe is formed in the upper portion in the swimming pool. The water pump is arranged, a water flow mode for simulating the rivers is formed in the swimming pool, the pattern that a user jumps into the swimming pool by himself / herself or is supported by a suspender is provided for learning swimming, and a swimming learner can be helped to rapidly achieve the purpose of learning swimming.

The invention relates to the field of water treatment systems, in particular to a chlorine-free swimming pool disinfecting system and a method. The chlorine-free swimming pool disinfecting system comprises a hair filter (5), a circulating water booster pump (7), a first filter (11), an ozone destroyer (20), a photocatalytic device (22), an activated carbon device (23), a metal ion sterilization device (25), a second filter (26), a water heater (28), an electrical control system, a high-concentration ozone generator (18), an ozone sterilization mixing pump (16) and an ozone reaction tank (19). According to the disinfecting method, instant sterilization and continuous sterilization are combined, and a swimming pool can still be disinfected effectively even under the condition of absence of residual chlorine. Meanwhile, a shunt oxidation disinfection way is adopted for ozone oxidation disinfection, and cost can be saved on the premise of overall sterilization. The disinfecting system adopts a simple use process, is widely applied and has the advantages of low energy consumption and saved cost.

The invention relates to the technical field of swimming apparatuses, and in particular to a wearable suit for free swimming. The wearable suit comprises a foot assembly, a body part assembly, an arm part assembly and a head assembly, wherein the foot assembly comprises boot-shaped parts which are worn in feet, a plate-shaped part in charge of implementing pushing in water, flexible connecting parts for connecting the boot-shaped parts and the plate-shaped part and fasteners which are arranged on the upper surfaces of the boot-shaped parts and are used for fixing and adjusting the flexible connecting parts. Since the foot assembly of the swimming suit provided by the invention comprises the boot-shaped parts and the plate-shaped part, a human body, under high counter-acting force formed by high resistance of the plate-shaped part and water, can slide towards a head side when two feet implement a flexion-extension action; the pushing plate (the plate-shaped part) is parallel to a driving direction and the pushing plate is horizontal when the two feet are retracted, and at the same time, the resistance is quite low, so that the human body can slide towards the head side easily and rapidly; and two hands are free, so that a user can regulate directions and can slowly stroke and play in the water with the two hands, with the two feet staying still.

The invention relates to the technical field of swimming apparatuses, and in particular to a wearable suit for free swimming. The wearable suit comprises a foot assembly, a body part assembly, an arm part assembly and a head assembly, wherein the foot assembly comprises boot-shaped parts which are worn in feet, a plate-shaped part in charge of implementing pushing in water, flexible connecting parts for connecting the boot-shaped parts and the plate-shaped part and fasteners which are arranged on the upper surfaces of the boot-shaped parts and are used for fixing and adjusting the flexible connecting parts. Since the foot assembly of the swimming suit provided by the invention comprises the boot-shaped parts and the plate-shaped part, a human body, under high counter-acting force formed by high resistance of the plate-shaped part and water, can slide towards a head side when two feet implement a flexion-extension action; the pushing plate (the plate-shaped part) is parallel to a driving direction and the pushing plate is horizontal when the two feet are retracted, and at the same time, the resistance is quite low, so that the human body can slide towards the head side easily and rapidly; and two hands are free, so that a user can regulate directions and can slowly stroke and play in the water with the two hands, with the two feet staying still.

The invention discloses a movable drown-free swimming pool. The movable drown-free swimming pool comprises a movable inclined bottom water pool, a lifting grate bottom step, a water purifying system and a movable diving platform. The lifting grate bottom step is located on the water surface of the surface layer of the movable inclined bottom water pool, the water purifying system is located on thesurface of the movable inclined bottom water pool, and the movable diving platform spans parallel tracks at the top of the movable inclined bottom water pool. The equipment can be drawn to be easilymoved to a community needing the movable drown-free swimming pool by installing moving wheels, door-to-door service can be achieved, parents do not need to pick up children, and time and trouble are saved; a water pump is arranged at the bottom of the inclined end of a bottom plate of the water pool, and noise can be reduced; the position of the lifting grate bottom step can be easily adjusted through a winch, use for students of different heights is facilitated, operation can be easily carried out even by a manager with small strength, and employment is promoted; and transparent face plates are arranged on the tops of trapezoid edge plates, the top of a deep water end frame plate and a shallow water end frame plate, and thus parents can conveniently shoot the swimming learning and playingprocess of the children to record the good time of the children.

A panel of fabric, 40 sq. ft. or more in size, held in shape by a floating collapsible frame that is easily and quickly assembled and disassembled, for the purpose of aggregating free-swimming gamefish into the immediate area of the invention. The invention collapses into a very small package, so that one or more can be easily stored and transported on a boat. The device also incorporates a chum bag underneath to enhance the fish attracting properties by first attracting bait. It is designed to be free-floating or attached to a drifting or anchored boat, thereby bringing gamefish within casting distance. No existing FAD is portable and compact, as they are pre-assembled or made for permanent deployment.

A method to hatch Artemia nauplii starting from an amount of Artemia cysts, including diapauzing cysts, by incubating the cysts in a hatching medium under conditions allowing at least a portion of the cysts to hatch and to release free swimming nauplii within a predetermined incubation period, in which method the cysts are brought in contact with a compound comprising at least one -(OH)C=C(OH)- structure, to break diapause in at least a number of said diapauzing cysts in order to enable them to produce free swimming nauplii within said predetermined incubation period thereby increasing the hatching percentage of the incubated cysts from X % of the total number of full cysts when the cysts are not brought in contact with said compound, to a hatching percentage higher than X % when they are brought in contact with said compound.

The invention relates to the technical field of swimming equipment, and discloses a boundary-free swimming pool. The swimming pool comprises a pool body, a laminar flow propeller and two backflow pipelines, the laminar flow propeller is arranged at the front end of the pool body, first water inlets are formed in the left side and the right side of the laminar flow propeller, the first water inletsin the left side and the right side are connected with one ends of the backflow pipelines correspondingly, second water inlets are formed in the other ends of the backflow pipelines, the second waterinlets extend to the rear end of the pool body, the second water inlets of the two backflow pipelines face each other, a first water outlet is formed in the laminar flow propeller, and the first water outlet faces the rear end of the pool body. The swimming pool has the advantages that the water flow internal circulation can be formed, indoor swimming can be achieved, and the convenience and rapidness are achieved.

The invention relates to an inflation-free swimming ring and a manufacturing process thereof. The manufacturing process comprises the steps that a plastic foaming material is adopted and placed in a storage mold to form a blank, the surface of the swimming ring blank is wrapped with a surface layer, and then final extrusion molding is carried out. As for the swimming ring produced by adoption of the process, the surface layer of the ring body and the internal inflation-free foaming material are integrated, the foaming material is nonabsorbent, soft in texture and high in safety and comfort, the surface layer wrapping the surface plays a role in protecting the internal foaming material, and meanwhile, the appearance of the swimming ring is more attractive.

A catching device for freshwater opossum shrimps is characterized by comprising a height-adjustable water inlet pipe (1), shrimp guiding plates (2) and a catching net (3); the height-adjustable water inlet pipe is installed in a pond (4) where opossum shrimp catching is about to be carried out, a drain pipe (5) is connected to the lower end of the height-adjustable water inlet pipe, a water outlet of the drain pipe is located in a lower pond (6) adjacent to the pond, and the catching net used for collecting opossum shrimps is installed in the lower pond; one side of each shrimp guiding plate is attached to the height-adjustable water inlet pipe, and the other side of each shrimp guiding plate is attached to the wall of the lower pond so that opossum shrimps swimming along the wall of the pond at night can enter the height-adjustable water inlet pipe under the guidance of the shrimp guiding plate and the action of suction force of water flow and enter the catching net finally. By means of the catching device, the survival rate of opossum shrimps can be greatly increased, the death rate caused by catching can be reduced, and stress response death can be avoided as opossum shrimps enter the catching net in a completely free swimming state.

A device to moving a water shooter is described. The device may contain features that allow the device to travel submerged in a reservoir with a water shooter attached. The device may travel along a fixed track, rotational boom, or be free swimming in order to move the water shooter within the reservoir so that unique water effects may be achieved.

The invention provides a neck thoracic vertebrae swimming position fixing lying bed special for X-ray inspection. The neck thoracic vertebrae swimming position fixing lying bed comprises a bed plate for a patient to lie, and is characterized in that a left side plate and a right side plate, which have a left arm spacing width and are used for fixing a left arm, vertically are arranged at the left side part of a headrest of the middle line of the bed plate in parallel; and a short side plate, which has a head spacing width and is used for fixing a head, is vertically arranged on the other side of the right side plate in parallel. The special neck thoracic vertebrae swimming position fixing lying bed for the X-ray inspection can be used for effectively and comfortably helping a patient to outwards expand the left arm for 180 degrees when the patient is at a prone position and the right arm is put on one side of a body; the head is fixed between the right side plate and the left side plate at the same time, so that a similar free swimming posture is formed; and the X-ray inspection of neck 7 and chest 1 / 2 vertebrae parts can be sufficiently displayed and a clear and accurate X-ray image is obtained, and the special neck thoracic vertebrae swimming position fixing lying bed has good application and popularization prospects.

A method to hatch Artemia nauplii starting from an amount of Artemia cysts, including diapauzing cysts, by incubating the cysts in a hatching medium under conditions allowing at least a portion of the cysts to hatch and to release free swimming nauplii within a predetermined incubation period, in which method the cysts are brought in contact with a compound comprising at least one -(OH)C=C(OH)- structure, to break diapause in at least a number of said diapauzing cysts in order to enable them to produce free swimming nauplii within said predetermined incubation period thereby increasing the hatching percentage of the incubated cysts from X % of the total number of full cysts when the cysts are not brought in contact with said compound, to a hatching percentage higher than X % when they arebrought in contact with said compound.

The invention is applicable to a single pendulum type white dolphin. The white dolphin mainly comprises the following parts: eyes (1), a data processing module (2), an adjusting module (3), a power module (4), a sealing device (5) and a single pendulum tail fin (6). The working principle of the single pendulum type white dolphin is that the single pendulum tail fin (6) is mainly driven to move by means of the power module (4) to move in water. The power source of the power module (4) is mainly realized through power supply of an internal accumulator; the single pendulum tail fin (6) is driven by the power module (4) to swing at a small angle to realize advancing and steering of the body; the adjusting module (3) is used for adjusting the swing angle and the swing direction of the single pendulum tail fin (6); a nine-shaft gyroscope is arranged in the power module, so the direction can be excellently determined; the direction responded by the data processing module (2) is properly adjusted through the nine-shaft gyroscope to realize free swimming of the white dolphin in the water. The sealing device (5) realizes internal sealing, water proofing and external power transfer of the single pendulum type dolphin.

The invention discloses a steering control system of a mini cable-free swimming robot. The steering control system comprises side fins positioned on two sides of a robot body and in hinged connectionwith the robot body, a piezoelectric ceramic pile driving the side fins, mini pressure sensors positioned on the side fins, mini photoelectric encoders positioned at positions where the side fins arehinged to the robot body, a single chip microcomputer controller and an inside radio frequency transceiver, and further comprises an external radio frequency transceiver, a single chip microcomputer main controller and a track recorder which are outside the robot body independently the single chip microcomputer controller and the inside radio frequency transceiver are positioned inside the robot body, the single chip microcomputer controller, the inside radio frequency transceiver, a driving power source and the piezoelectric ceramic pile are sequentially connected through leads, the single chip microcomputer controller is connected with the mini pressure sensors and the photoelectric encoders through leads, the outside radio frequency transceiver, the single chip microcomputer main controller and the track recorder are sequentially connected through leads, and the outside radio frequency transceiver and the inside radio frequency transceiver are in wireless signal connection. By the steering control system, steering of the swimming robot can be controlled flexibly, and the robot is stable in integral control performance and has practicability.

The invention provides a method for preparing odor-free swimming bladder powder. The method comprises the following steps: adding milk powder and grinding, thereby obtaining the swim bladder powder. The swimming bladder powder is small in oral odor and good in taste, and the patient compliance is high.

The algae cultivating device integrating algae cultivating and viewing includes a support seat, and the algae cultivating structure arranged on both sides above the support seat is rotated. The algae cultivating structure includes a cylindrical algae cultivating unit fixed on the The rotation shaft at the center of the algae unit, the rotation shaft is connected with the support base through a bearing structure, so that the algae cultivation unit can rotate relative to the support base; the algae cultivation unit is evenly equipped with a number of U-shaped cultivation tank; the culture tube in the culture tank also has a U-shaped structure, and the culture tube communicates with the arc-shaped ornamental tube to realize the free swimming of the algae liquid. The beneficial effect of the invention is that: the algae cultivating and viewing are integrated, so that the device can be placed in offices and other spaces, and the purpose of promoting people's spiritual pleasure is achieved.

The invention relates to a current stabilizer for a boundary-free swimming pool unit. The current stabilizer comprises a tank body, a laminar flow propeller, a flow guider, a flow correction net component and a water outlet flow correction sleeve, wherein the tank body is provided with a water outlet; the laminar flow propeller comprises a water outlet cavity, a linear water guiding channel is arranged on the flow guider along the length direction, the flow guider is arranged in the water outlet cavity, and the water outlet cavity is matched with a water outlet; the flow correction net component is arranged at a water outlet port of the water outlet cavity, and a current stabilizing gap is formed between the flow correction net component and the flow guider; and the water outlet flow correction sleeve is matched with water outlets in the flow correction net component and the tank body. By utilizing the structure, the influence caused by the swinging of water stream in the advancing process is eliminated by virtue of the comprehensive effect of the flow correction of the flow correction net component and the water outlet flow correction sleeve, the water stream speed is increased, and a realistic water stream is formed.

The invention relates to a bionic fish, particularly relates to a free swimming bionic fish for detection, and solves the technical problem of providing the free swimming bionic fish for detection which is convenient for human life detection, high in flexibility and simple in structure. In order to solve the technical problem, the free swimming bionic fish for detection is provided. The free swimming bionic fish for detection comprises a supporting plate, a slide rail, a first spring, a gear, a first connecting rod, a circular rod, a slide block, a gear rack, a supporting rod, a fish body, a fixed pulley, a first pull line, a first swing rod, a second spring, a second connecting rod, a fish head, a detector, a second pull line, a first electric wheel, a third pull line, a second swing rod, a second electric wheel, a vacuum tube and a fishtail. The middle part of the left side outside the fish body is provided with the second connecting rod. The fish head is connected at the left end of the second connecting rod in a hinged way. The detector is arranged at the left side of the fish head. The supporting plate is arranged in the fish body. The effects that human life detection is facilitated, the flexibility is high and the structure is simple can be achieved.

The invention discloses a boundary-free swimming pool water drop flow calculation method. The method comprises the following steps: A, establishing a boundary-free swimming pool model through gambit software; B, importing the established boundary-free swimming pool model into Fluent software, and selecting an RNG mode of a k-[epsilon] model, adjusting an under-relaxation factor and an initial condition, and starting iterative computation after initialization; C, after iterative computation is stable and convergent, extracting mass effective data of all nodes of the middle section, importing the mass effective data into graph processing software Tecplot, adjusting a water volume fraction to 0.95, and adjusting and displaying cloud picture indexes to obtain minimum unit width flow which is the minimum flow when the model water film is not attached to the wall and is not broken; and D, fitting the height and the flow velocity value of the effective node into a curve, and finding out the minimum flow of the water film which is not attached to the wall but not broken when the boundary-free swimming pool with the fixed width runs from the curve. The relation between the width of the swimming pool and the water falling flow when the water tongue is not attached to the wall and is not broken is determined through a numerical simulation technology.

The invention relates to an edge-free swimming pool, comprising an outer pool, an inner pool, a control system, a panel, a laminar flow propeller, a water circulation channel, an oil pressure motor and a pool bottom height adjusting system; the laminar flow propeller comprises a transmission shaft, a layered flow guide structure, a comb grid, a marine propeller and an outlet grid, the outlet gridis located on the upper portion of the panel and used for discharging water flow, the outlet grid is connected with the upper end of the layered flow guide structure, the lower end of the layered flowguide structure is connected with the comb grid, the lower portion of the oil pressure motor is connected with the transmission shaft, and the transmission shaft is connected with the marine propeller and connected with an external oil way through an external oil pressure pipe. The layered flow guide structure is formed by a plurality of flow guide sheets at certain intervals, and the bottom endinterval of every two adjacent flow guide sheets is larger than the top end interval, so that disturbance in water flow is better avoided.

The invention provides a method and apparatus for screening sounds that fishes are sensitive to; the method comprises the steps of recording or synthesizing sound; analyzing frequency-intensity map of the recorded or synthesized sound by using sound processing software to obtain a frequency range of the sound, and selecting a plurality of single-frequency sounds as control sounds; observing and recording free swimming behaviors of a fish; subjecting the fish to single-frequency sound playback experiment; subjecting the fish to an experiment playing sound to be tested; in addition, the invention also provides an apparatus corresponding to the method. The method and apparatus enable a fish's congenital sensitivity and taxis to a certain sound to be analyzed and judged in one experiment, the sounds that fishes are sensitive to are screened out, experimental research on acoustic fish guidance and quick development of experiments in practical engineering are facilitated, and manpower and material resources are greatly saved.