Click For Photo: https://www.sciencedaily.com/images/2018/03/180321094756_1_540x360.jpg
The product of a decade of research, this patented system for opening and closing valves could significantly reduce fuel consumption in everything from ocean-going ships to compact cars.
"This method has the potential to bring the well-established benefits of a fully variable valve system out of the lab and into production engines because cost and complexity aren't issues," said Amir Khajepour, a professor of mechanical and mechatronics engineering at Waterloo.
Intake - Valves - Combustion - Engines - Cam
Intake and exhaust valves in internal combustion engines are typically controlled by cam mechanisms that do not allow the timing of their opening and closing to be varied.
The technology developed by Waterloo researchers replaces cams with hydraulic cylinders and rotary hydraulic valves that enable fully variable timing as the speed and torque of an engine change.
Ability - Time - Opening - Closing - Valves
This ability to specifically time the opening and closing of valves according to engine operation is a key to increasing fuel efficiency, reducing both costs and greenhouse gas emissions.
"If you think about an ideal solution, it is to make the motion...
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