Folger & Sons

ME 4182Winter 1999

Aaron Chatraw

James Folger

Jess Hamler

Rafe Patterson

Bret Sabold

Jin Yang

Reasons to Design the EZ Window

• Assist window operation by physically challenged individuals

• Make unreachable windows usable

• Simplify the lives of millions of couch potatoes

Project Goals Design a Remotely Controlled Window with

the following Features:

• Opens and closes while maintaining the Tilt Function

• Simple Design

• Affordable

• Low maintenance and easy installation

• Safe to operate in a household environment

• Manual override

• Self locking in any position

Initial Design Concept

Exploded View of the Power Screw Design

1. Window unit2. Reversible A/C induction motor3. Flexible drive coupling4. 3/8 - 12 square thread5. Lower Delrin 500AF bushing6. Window transmission7. Motor access plate8. Upper Delrin 500AF bushing9. Steel collar

Window Transmission

Manual Override

Window Controls

Controls Schematic1. Wall Plug

2a. Induction Coil of Relay

2b. Normally Closed Relay Output

3. Normally Open Motion Detector

4. Self-Centering Normally Neutral Switch

5. Starting Capacitor for Induction Motor

6. Thermally Protected Induction Motor

7. Window Overtravel Switch (only necessary for high output motors)

And the moment you have been waiting for...

Ta Dah!

Power Screw and Window Transmission

Manual Override Picture

Future Plans

• Hand Held Remote Control

• Internal and External Motion Detectors

• Automatic Window Screen

• Additional Control Features (moisture sensor, thermostat, Carbon Monoxide)