Underwater shock-absorbing and deceleration device专利检索-气穴建筑材料专利检索查询-专利查询网

Underwater shock-absorbing and deceleration device

阅读：967发布：2022-01-26

专利汇可以提供Underwater shock-absorbing and deceleration device专利检索，专利查询，专利分析的服务。并且A device for cushioning the landing impact shock of a heavy underwater object during installation on the ocean bottom. It employs a set of telescoping leg assemblies each having an air entrapping cylinder and a dash-pot like piston moveable therein. Shock absorption is achieved through air pockets formed at the top of each piston.，下面是Underwater shock-absorbing and deceleration device专利的具体信息内容。

权利要求

1. An underwater shock and deceleration device for cushioning a heavy underwater structure during installation on the ocean bottom comprising: a hollow cylinder with an aperture in the bottom end thereof; a separate chambered body positioned adjacent the top of said hollow cylinder and interconnected thereto, said body serving as an air reservoir; dash-pot means positioned in said cylinder, said means including: a piston slidably received in the cylinder and having a peripheral V-shaped notch; a rib vertically located on the interior surface of the cylinder and extending from the top of the cylinder to the bottom thereof, said rib being received in said V-shaped notch of the piston and of maximum width at the top and of minimum width at the bottom; a rod atTached to the underside of the piston and extending out of the bottom of said cylinder, said rod adapted to move the piston upwards upon initial contact with the ocean floor; thus as the piston moves upward, the effective area of the notch is decreased which increases the resistance to movement of the piston, said chambered body providing an additional cushioning effect.

2. An underwater shock and deceleration device for cushioning a heavy underwater structure during installation on the ocean bottom comprising: a hollow elongate cylinder having an aperture in the bottom end thereof, a rib vertically extending along the interior wall of said cylinder, said rib being of maximum width at the top of the cylinder and of minimum width at the bottom thereof, a piston slidably received in said cylinder and having a notch in the periphery, said rib being received in the notch, a rod attached to the underside of said piston and extending out of said cylinder through a port in the bottom thereof, thus at impact the rod and piston are forced upwards into the cylinder with a minimum of resistance but as the width of the rib increases, resistance to movement of the piston also increases.

3. The device of claim 2 wherein a chambered body is interconnected to the top of the cylinder to facilitate the cushioning action.

4. The device of claim 3 wherein a multitude of chambered bodies are interconnected to provide a cushioning effect from all devices employed.

5. The device of claim 2 wherein a foot is pivotally attached to the lower end of said rod.

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Underwater shock-absorbing and deceleration device

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