Transcript Bicycle-Powered Water Pump and Purifier

Bicycle-Powered Water Pump
and Purifier
Tom Gomes
Rebecca de Sa
EN100 - Spring 2008
Overview + Goals
 To pump water from reservoir into holding
tanks, filter, then pump into clean dispensing
tank
 Filtration will involve:
 a UV light for biological contaminants
 a mechanical particulate filter
 Make an apparatus that can be easily
attached to most bicycles with minimal
modification
 Use readily available materials and parts
 Family scale: provides enough water for
cooking, cleaning, and drinking
 Simple, graphical installation instructions
What exists?
 MayaPedal Bicycle Water Pump
 Pros: community scale (5-10 gall/min)
 Cons: stationary, no filtration
 LifeStraw
 Pros: compact, inexpensive
 Cons: personal scale
 Innovate or Die Aquaduct
 Pros: family scale, mobile
 Cons: expensive, integrated unit with proprietary parts
 http://www.youtube.com/watch?v=-U-mvfjyiao
What to Improve?
 Filtration quality
 Include biological (UV sterilization) and particle
filtration
 Accessibility of apparatus (reuse and
retrofitting)
 Goal: Low-cost, low-complexity (installation and
use)
 Simply repaired and maintained (readily available
or recycled materials)
 Versatility of design: add-on vs. complete
proprietary system
Design Ideas + Questions
 System Mounting
 Stationary Support
 Filtration
 Biological
 Particle
 Power Take-off
 Tire friction-driven or chain-driven?
 Need to power UV light (generator) + pumping
system (mechanical)
 Clutch/Switch