Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
Inventor
active
Accessory drive system
Belt driven variable camshaft timing system
Camshaft with extra cam to increase the magnitude of torque puls
Continuous manufacture of push type CVT belt bands utilizing...
Differential pressure control system for variable camshaft timin
No associations
LandOfFree
Roger P. Butterfield does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Roger P. Butterfield, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Roger P. Butterfield will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-152862