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A pneumatic tube system in Washington, D.C., in 1943. Pneumatic tubes (or capsule pipelines, also known as pneumatic tube transport or PTT) are systems that propel cylindrical containers through networks of tubes by compressed air or by partial vacuum. They are used for transporting solid objects, as opposed to conventional pipelines which ...
On 20 January 1937, the Lamson Engineering Company Ltd was incorporated as a merger of the Lamson Store Service Co Ltd and Lamson Pneumatic Tube Co Ltd. In 1973, the firm was promoting its "Rallypost" system with PVC track and battery-operated carriers that could carry up to 6 kg. [4] This was designed as an office document carrier.
In 1799, George Medhurst of London conceived of and patented an atmospheric railway that could convey people or cargo through pressurized or evacuated tubes. The early atmospheric railways and pneumatic tube transport systems (such as the Dalkey Atmospheric Railway) relied on steam power for propulsion.
In pipeline transport systems, the efficient and safe movement of fluids—whether gas, oil, water, or chemicals—relies on effective fluid control mechanisms. These mechanisms help regulate the flow, pressure, and direction of the fluids within the pipeline, preventing blockages, backflows, and ensuring smooth transportation over long distances.
Concept art of hyperloop inner workings. Hyperloop is a proposed high-speed transportation system for both passengers and freight. [1] The concept behind the Hyperloop originated in the late 17th century with the invention of the world's first artificial vacuum, which led to designs for underground rapid transit systems powered by pneumatics in the decades that followed.
An automated vacuum waste collection system, also known as pneumatic refuse collection, or automated vacuum collection (AVAC), transports waste at high speeds through underground pneumatic tubes to a collection station where the waste is compacted and sealed in containers. Full containers are transported away to be emptied.
During late 1998, TI Group opted to sell its stake in Messier-Dowty. Throughout the late 1990s, the group acquired numerous other companies, including Technoflow Tube Systems, Bundy Asia Pacific, S&H Fabricating and Engineering, Kenmore Italiana, Walbro Corporation, and Marwal. On 4 December 2000, Smiths Industries merged with TI Group.
Stationary power systems create vacuum (ahead of the piston) and pressure (behind the piston) inside a continuous pneumatic tube located centrally below rails within a truss assembly. The free piston is magnetically coupled to the passenger modules above; this arrangement allows the power tube to be closed, avoiding leakage.