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Fish catching apparatus. RU patent 2287267.

Fish catching apparatus. RU patent 2287267.

FIELD: pond fishery, in particular, equipment for catching of whitefish and other identical kinds of fish reared in ponds.

SUBSTANCE: fish catching apparatus has flow forming device and catching device positioned within working zone of flow forming device. Catching device has two fixed nets positioned in zones with substantial back flow, one of said nets being positioned at left side and other net at right side relative to water flow generated by flow forming device. Fixed nets are located at ends of wing which intersects water flow at right angle. Entrance leading into reservoir of one fixed net is positioned opposite entrance leading into reservoir of other fixed net.

EFFECT: increased fish catching efficiency, reduced catching time and decreased consumption of fuel and, accordingly, power.

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IPC classes for russian patent Fish catching apparatus. RU patent 2287267. (RU 2287267):

A01K79 - Methods or means of catching fish in bulk not provided for in groups ; A01K0069000000-A01K0077000000
Another patents in same IPC classes:
Method for aeration of water and concentration and catching of fish Method for aeration of water and concentration and catching of fish / 2286672
Method involves establishing aerators-flow formers in the vicinity of basins; saturating water with oxygen using flow baffles; attracting fish into aeration zone, with following catching of fish or keeping on water landing area of underfeed basin up to the end of underfeed period; concentrating fish by means of one or two aerators-flow formers whose flows are directed onto basin bank or to construction positioned on basin and made in the form of sloping arc providing for baffling of oxygen-saturated water into open space of basin and slowing down its velocity, and spreading zone. Intensive oxygen saturation of water is enabled by reciprocating small amount of water from flow baffle to aeration zone on water landing area of basin.
Catching device for electric light fishing Catching device for electric light fishing / 2278510
Proposed device has funnel with bell-like end with suction zone created by water flow and narrow end connected with fish intake hose. Device is furnished with load unit and lamps to create light field attracting fish to inlet hole of funnel. Funnel is made profiled in meridional section with inner streamlined surface, with inlet diameter at bell-like end providing position of suction zone border close to inlet hole. Lamps creating light field are displaced in direction of flow behind suction zone and they partly project into funnel space. Outer part of lamps is covered with cases non-transparent for light.
Method for controlling behavior of sea mammals during fishing Method for controlling behavior of sea mammals during fishing / 2276386
Method is based on generation, amplification and emission of signals, influence of signals on sea mammals and changing their behavioral characteristics, as signals, broadband hydro-acoustic signals are utilized, emitted by selected catching tools, body of fishing ship, and also shipborne systems and mechanisms, including selecting devices of fishing ships, busy with other forms of catching, while aforementioned broadband hydro-acoustic signals are also emitted by means of spatially distributed broadband hydro-acoustic emitters, positioned on body of fishing ship, also emitted are three tonal hydro-acoustic signals in ultrasound frequencies range and tonal electromagnetic signal in ultrasound frequencies range, emitted towards wake area of fishing ship, and additionally performed is forming, below water, of curtain made of air bubbles with diameters close to resonance energy consumption frequencies of hydro-acoustic signals, emitted by selected catching tool and selecting devices of fishing ship.
Method of energizing electrodes for directional movement of fish Method of energizing electrodes for directional movement of fish / 2273991
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Method for controlling behavior of sea mammals during fishing Method for controlling behavior of sea mammals during fishing / 2271022
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Method for controlling sea mammal behavior in fishing Method for controlling sea mammal behavior in fishing / 2248008
Method involves building and emitting information and energy sonar signals for controlling sea mammal behavior (including sea mammals having no natural predators) when catching fish in great volume of aquatic medium. The control actions are done in effective and short-term manner in frequency bandwidth restricted with frequency bandwidth being maximum sensitivity to fishes selected as fishing object. The information signals are built in unit for producing information signals in the channel for producing and emitting information signals being like sonar signals emitted by selected fishing equipment, fishing-boat body, systems and mechanisms when moving to fishing area or setting fishing gears. At the same time, several autonomous marine systems are installed and set in operation far from fishing area in water column at different horizons by switching on electric current. Light emission signals are sent at the same time according to program executed by the unit for producing and amplifying information signals. The sonar signals and light signals have an effect upon sea mammals and modify their behavior characteristics.
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Method involves building and emitting information and energy sonar signals for controlling sea mammal behavior (including sea mammals having no natural predators) when catching fish in great volume of aquatic medium. The control actions are done in effective and short-term manner in frequency bandwidth restricted with frequency bandwidth being maximum sensitivity to fishes selected as fishing object. The information signals are built in unit for producing information signals in the channel for producing and emitting information signals being like sonar signals emitted by selected fishing equipment, fishing-boat body, systems and mechanisms when moving to fishing area or setting fishing gears. At the same time, several autonomous marine systems are installed and set in operation far from fishing area in water column at different horizons by switching on electric current. Light emission signals are sent at the same time according to program executed by the unit for producing and amplifying information signals. The sonar signals and light signals have an effect upon sea mammals and modify their behavior characteristics.
Trap for fish and other hydrobionts (versions) Trap for fish and other hydrobionts (versions) / 2266644
Four versions of traps are described, which contain netted web, rod-type carcass with rods pivotally connected with their proximate ends to central pivot hinge, and strap system for setting of netted web and lifting of trap. Strap system comprises straps secured with each other by their upper ends at securing point and connected with outer ends of rods. According to first version, strap system is further equipped with central strap, whose lower end is fixed on central pivotal means and on whose upper end is fixed guiding sleeve with straps having been passed therethrough for sliding, said straps extending from point where said straps are connected to rods outer ends for providing fast bringing thereof together and reliable holding of outer ends of rods. According to second version, straps secured with their upper ends to one another are passed for sliding through eyelets provided on outer ends of rods, and are fixed with their lower ends in the vicinity of proximate ends of rods. Netted web is set on strap branches between point of securing and eyelets, and on strap branches between eyelets and point of securing of their lower ends. Trap is therefore used as small-sized vertical bottom net. Strap system of third and fourth versions includes straps for successive connection of outer ends of rods, with netted web being set on said straps at site below said rods. According to third version, straps secured to one another with their upper ends are passed for sliding through eyelets at outer ends of rods and are successively fixed with their lower ends on ends of adjacent rods. Netted web is set on thus formed strap branches to allow netted web to be removed from carcass for extraction of fish caught. According to forth version, additional vertical netted web is set on strap branches arranged between point of securing thereof with outer ends of rods, and also on rods, said straps being connected with ends of said rods. So, one netted web serves as horizontal net and other netted web serves as vertical net to thereby increase reliability in determining of pecking and fish holding time.
Method for controlling behavior of sea mammals during fishing Method for controlling behavior of sea mammals during fishing / 2271022
Method includes masking low frequency hydro-acoustic signals of fishing ship selecting device, at least one false supporting buoy with or without catching implement is mounted, which emits high frequency hydro-acoustic signals, connected to mark or marking buoy, which emit light signals, decrease noticeability of fishing ship for sea mammals of working fishing implements, decrease noticeability of fishing ship for sea mammals during picking up working catching implements due to decreasing broadband hydrodynamic signals of steering device of fishing ship and decrease of broadband hydrodynamic signals of driving shaft of fishing ship, light signals of fishing ship are disabled, broadband hydro-acoustic signals of picked up fishing implement are masked by emitting broadband hydro-acoustic signals by hydro-acoustic transformer, hydro-acoustic signals of ultrasound frequencies spectrum are emitted by several hydro-acoustic transformers.
Method of energizing electrodes for directional movement of fish Method of energizing electrodes for directional movement of fish / 2273991
Method comprises energizing one-row sectional electrode system separated with pulses. The negative voltage pulse is supplied alternately to one of the sections of the electrodes, and this section is converted into the cathode. The positive voltage pulse is fed to the other sections of the electrodes, which are not adjacent to the cathode, and they are converted into the anodes. According to the first version, the positive voltage pulse is fed to the all other sections of the electrodes, and they are converted into the anodes, excluding the sections adjacent to the cathode section of the electrodes. According to the second version, the positive voltage pulse is alternately fed to the even sections, and the even section is then converted into the cathode, or to the uneven sections of the electrodes, and the next even section is then converted into the cathode. According to the first version the number of the sections should be no less than 10, and according to the second version the number of sections should be no less than 18-20.
Method for controlling behavior of sea mammals during fishing Method for controlling behavior of sea mammals during fishing / 2276386
Method is based on generation, amplification and emission of signals, influence of signals on sea mammals and changing their behavioral characteristics, as signals, broadband hydro-acoustic signals are utilized, emitted by selected catching tools, body of fishing ship, and also shipborne systems and mechanisms, including selecting devices of fishing ships, busy with other forms of catching, while aforementioned broadband hydro-acoustic signals are also emitted by means of spatially distributed broadband hydro-acoustic emitters, positioned on body of fishing ship, also emitted are three tonal hydro-acoustic signals in ultrasound frequencies range and tonal electromagnetic signal in ultrasound frequencies range, emitted towards wake area of fishing ship, and additionally performed is forming, below water, of curtain made of air bubbles with diameters close to resonance energy consumption frequencies of hydro-acoustic signals, emitted by selected catching tool and selecting devices of fishing ship.
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Proposed device has funnel with bell-like end with suction zone created by water flow and narrow end connected with fish intake hose. Device is furnished with load unit and lamps to create light field attracting fish to inlet hole of funnel. Funnel is made profiled in meridional section with inner streamlined surface, with inlet diameter at bell-like end providing position of suction zone border close to inlet hole. Lamps creating light field are displaced in direction of flow behind suction zone and they partly project into funnel space. Outer part of lamps is covered with cases non-transparent for light.
Method for aeration of water and concentration and catching of fish Method for aeration of water and concentration and catching of fish / 2286672
Method involves establishing aerators-flow formers in the vicinity of basins; saturating water with oxygen using flow baffles; attracting fish into aeration zone, with following catching of fish or keeping on water landing area of underfeed basin up to the end of underfeed period; concentrating fish by means of one or two aerators-flow formers whose flows are directed onto basin bank or to construction positioned on basin and made in the form of sloping arc providing for baffling of oxygen-saturated water into open space of basin and slowing down its velocity, and spreading zone. Intensive oxygen saturation of water is enabled by reciprocating small amount of water from flow baffle to aeration zone on water landing area of basin.
Fish catching apparatus Fish catching apparatus / 2287267
Fish catching apparatus has flow forming device and catching device positioned within working zone of flow forming device. Catching device has two fixed nets positioned in zones with substantial back flow, one of said nets being positioned at left side and other net at right side relative to water flow generated by flow forming device. Fixed nets are located at ends of wing which intersects water flow at right angle. Entrance leading into reservoir of one fixed net is positioned opposite entrance leading into reservoir of other fixed net.
Water aeration, fish concentration and catching method Water aeration, fish concentration and catching method / 2294635
Method involves establishing aerator-flow generator in direct-flow channel whose front part is communicating with basin and rear part is made dead ended; generating oxygen-saturated water flow and attracting fish into aeration zone, followed by catching fish or retaining fish in basin area up to the end of perishing period; positioning aerator-flow generator on surface and additionally setting catch; adjusting oxygen content in channel and in lake portion adjoining thereto by reducing or increasing distance from aerator-flow generator to leading part of channel.
Calamaries catching method Calamaries catching method / 2300884
Method involves searching for calamaries accumulations; providing ship driftage using floating anchor and sail; positioning vertical lines; switching-on light bunch; catching calamaries in lines. Purse net is used as floating anchor. Calamaries are additionally caught using purse net after taking up of lines.
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