Device for separating shrimp from other sea animals专利检索-脉冲电场电场物理专利检索查询-专利查询网

Device for separating shrimp from other sea animals

阅读：549发布：2023-08-05

专利汇可以提供Device for separating shrimp from other sea animals专利检索，专利查询，专利分析的服务。并且A system generally employing a net and an electrical pulse generator that is used for separating shrimp from trash fish, undesirable sea animals and miscellaneous objects. The catch is subjected to an electrical field within the separator which effects only the shrimp. The unwanted portion of the catch not effected by the electrical field passes through the separator and back into the water as it is. No electronarcosis or electrolaxis is produced nor is any of the fish or other undesirables effected in any manner other than possible mechanical diversion, associated with the physical characteristics of the various types and sizes of separators.，下面是Device for separating shrimp from other sea animals专利的具体信息内容。

权利要求

1. A fish separator, comprising a trawl net having a forward opening for receiving fish and shrimp into said trawl net, a rearward escape opening in said trawl net, and fish separating means including means supplying pulses of electricity adjacent said rearward opening, said pulses being selected to repel shrimp from said rearward opening while having no effect on fish.

2. The combination according to claim 1 wherein said pulses have voltages of about 3/4 to 1 1/2 volts and a pulse rate of about 3-6 pulses per second.

3. A trawling system, comprising a trawl net in the form of a bag having a forward opening, said bag collecting via said opening a variety of undesirable sea animals and shrimp, an escape hatch located rearwardly of said bag, sea animaL discriminating means including means for applying to at least one edge of said escape hatch pulses of electricity of about 3/4 to 1 1/2 volts occurring about 3-6 times per second, whereby said shrimp are repelled from said escape hatch and do not escape, but said undesirable sea animals pass through said sea hatch.

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Device for separating shrimp from other sea animals

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