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2. Lifting bag - Wikipedia

   en.wikipedia.org/wiki/Lifting_bag

   A lifting bag is an item of diving equipment consisting of a robust and air-tight bag with straps, which is used to lift heavy objects underwater by means of the bag's buoyancy. The heavy object can either be moved horizontally underwater by the diver or sent unaccompanied to the surface.

3. Air suspension - Wikipedia

   en.wikipedia.org/wiki/Air_suspension

   Air line failure is a failure of the tubing which connects the air bags or struts to the rest of the air system, and is typically DOT-approved nylon air brake line. This usually occurs when the air lines, which must be routed to the air bags through the chassis of the vehicle, rub against a sharp edge of a chassis member or a moving suspension ...

4. Airlift pump - Wikipedia

   en.wikipedia.org/wiki/Airlift_pump

   A geyser pump, an improved airlift pump, powered by compressed air, raises fluid by forcing rising bubbles to displace fluid. 50. air supply 52. air inlet port 58. liquid supply 60,62. air supply lines 64. upper end of air tank 86 66,82. air ports 70. upper air inlet of u-shaped elbow 74 76 air outlet 84. fluid intake 65. riser tube 88 ...

5. Airlift (dredging device) - Wikipedia

   en.wikipedia.org/wiki/Airlift_(dredging_device)

   A controllable compressed air supply vents into the inside, lower end of the pipe (The input end always being the lower end). Compressed air is injected into the pipe in one to three second bursts with an interval long enough to let the resulting bubble to rise to the higher, output end of the pipe.

6. Vacuum airship - Wikipedia

   en.wikipedia.org/wiki/Vacuum_airship

   The density of air at standard temperature and pressure is 1.28 g/L, so 1 liter of displaced air has sufficient buoyant force to lift 1.28 g. Airships use a bag to displace a large volume of air; the bag is usually filled with a lightweight gas such as helium or hydrogen. The total lift generated by an airship is equal to the weight of the air ...

7. Jack (device) - Wikipedia

   en.wikipedia.org/wiki/Jack_(device)

   Low-pressure bags are operated at 7.25 psi for high vertical lift in a large surface area but lower lifting capacities. Medium-pressure bags are operated at 15 psi. High-pressure bags which have higher lifting capacities are operated at pressure between 90 and 145 psi. Two air bags can be stacked together to provide a higher lift. It is ...