| 摘要 |
FIELD: divers' tugs. ^ SUBSTANCE: proposed diver tug has aqua lung, propulsor with pneumatic engine mounted on aqualung bottle and communicated with this bottle through valve; it is also communicated with aqualung valve chest through elastic reservoir for delivery of used air to diver. Engine is made in form of piston mechanism with piston group and spool valve gear; propulsor is made in form of fin. Rod of this fin is articulated to foundation of piston group for motion with its pistons and is connected with rocker arm of valve gear by means of dowel pin. ^ EFFECT: enhanced maneuverability of tug. ^ 2 dwg |
