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 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 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.

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.

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 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 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.