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Turnstile Power
We pass through rotating gates at many checkpoints like train stations and amusement parks and we never give it a thought but there is a lot of potential mechanical energy that can be harnessed. The Green Pass is one such gate with a three-roller switch mechanism to trap, transfer and convert mechanical energy as you pass through its turnstiles.
Green Pass is a 2010 Liteon Awards winning project.
Designers: Bi Zhao, Fengchi L, Meixian Su, Fengming Chen, Yuke Li, Jiamin Liang & Yujie Chen
19 Comments »
Rui Vieira says
Hello,
Excelent device. I manage a company that might be interested in it.
How can we establish contact with the developers?
Rui Vieira says
Hello,
Excelent device. I manage a company that might be interested in it.
How can we establish contact with the developers?
engineeringthoughts says
First power generation concept posted here in awhile that is actually plausible. Turnstiles don't use much power to begin with – this design passes the engineering gut check if it's intended to power itself.
That said, the gearing mechanism shown is a fairly expensive/low reliability/loud method of implementation (a gear head motor might be better suited).
Lastly, a many of municipalities are switching away from turnstiles as they reduce throughput compared to a gate (for entrance control) or optical sensor (if you have a line of people leaving, the gate remains open allowing people to exist faster).
engineeringthoughts says
First power generation concept posted here in awhile that is actually plausible. Turnstiles don't use much power to begin with – this design passes the engineering gut check if it's intended to power itself.
That said, the gearing mechanism shown is a fairly expensive/low reliability/loud method of implementation (a gear head motor might be better suited).
Lastly, a many of municipalities are switching away from turnstiles as they reduce throughput compared to a gate (for entrance control) or optical sensor (if you have a line of people leaving, the gate remains open allowing people to exist faster).
Stephen Russell says
Must for NYC, Philadelphia, Paris, London, Rome, Boston, Miami,
LA, CA: Games, events.
SF CA BART system, Airports, Malls, Parking centers,
Huge.
Stephen Russell says
Must for NYC, Philadelphia, Paris, London, Rome, Boston, Miami,
LA, CA: Games, events.
SF CA BART system, Airports, Malls, Parking centers,
Huge.
SHEJI says
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Daniel says
great idea
Daniel says
great idea
marmoter says
Thanks for sharing. It is impressive. By the way, we are an online shop wholesale china electronics such as mobile phones, tablet PC, mp3 player and so on. You are welcome to visit our shop for any shopping purpose. Have a nice day.
marmoter says
Thanks for sharing. It is impressive. By the way, we are an online shop wholesale china electronics such as mobile phones, tablet PC, mp3 player and so on. You are welcome to visit our shop for any shopping purpose. Have a nice day.
prada bn1786 says
piece of content,continue the excellent quality typing
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