Deep submergence pressure compensator |
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| 申请号 | US36694073 | 申请日 | 1973-06-04 | 公开(公告)号 | US3897742A | 公开(公告)日 | 1975-08-05 |
| 申请人 | US NAVY; | 发明人 | HOFFMAN ROBERT T; | ||||
| 摘要 | A compensator for an underwater deep submergence fluid system wherein the compensator includes a cylinder and piston combination; one end of the cylinder being connected to the fluid system and the other end thereof opening to the ambient water environment; and the cylinder being pre-pressurized to a predetermined pressure so that the system components can be of minimum volume and construction. | ||||||
| 权利要求 | 1. An underwater fluid system comprising: a main fluid line for receiving fuel at one end and supplying gas at the other end; a shut-off valve connected to the main fluid line at each respective end; a reactor connected within the main fluid line for reacting the fuel with a catalyst and producing the gas; a secondary fluid line connecting the main fluid line to the ambient pressure environment; a pressure compensator connected in the second fluid line; the volume of the system Vs being equal to the volumes of the of the main fluid line between the shut-off valves, the reactor, the pressure compensator, and the secondary fluid line to the pressure compensator; said pressure compensator including a piston and cylinder combination; said cylinder and the remainder of the system containing a fluid which is pre-pressurized at a value Pp above ambient pressure which is approximately one third the intended operating pressure Po of the system; the volume of the cylinder Vc being approximately equal to the volume of the remainder of the system Vrs; and the entire system including the cylinder having a structural strength which is capable of withstanding first the interior pressure Pp and then an exterior pressure equal to approximately Pp. 2. An underwater fluid system as claimed in claim 1 including: said piston being mounted for free floating reciprocation within the cylinder; and said piston bottoming out at the ambient end of the cylinder when the system is pre-pressurized and said piston reciprocating to the opposite end of the cylinder when the system is at approximately two thirds of its operating depth. 3. An underwater fluid system as claimed in claim 2 including: a valve and fitting connected to the system for pre-pressurizing the system. 4. An underwater fluid system comprising: a main fluid line for receiving fuel at one end and supplying gas at the other end; a shut-off valve connected to the main fluid line at each respective end; a reactor connected within the main fluid line for reacting the fuel with a catalyst bed and producing the gas; a secondary fluid line connecting the main fluid line to the ambient pressure environment; a pressure compensator connected in the second fluid line; the volume of the system Vs being equal to the volumes of the main fluid line between the shut-off valves, the reactor, the pressure compensator, and the secondary fluid line to the pressure compensator; said pressure compensator including a piston and cylinder combination; said cylinder and the remainder of the system being prepressurized at a value Pp between ambient pressure at the surface of the water and operating pressure Po of the system at operating depth; the volume of the cylinder Vc being as follows: 5. An underwater fluid system as claimed in claim 4 wherein: Pp equals approximately one third Po. |
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