http://www.rexresear...n/1constran.htm
Diagram 16 is the one that makes the most sense.
It may not be the best vehicle transmission but it could be a handy device for other things. Note that it is entirely self regulating.
An interesting CVT
Started by
Greg Locock
, Dec 11 2007 21:20
5 replies to this topic
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#2
phantom II
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Posted 11 December 2007 - 23:02
"What I claim is:-- [ Claims not included here ]" The secondry shaft on the top right is split. It rotates in opposite directions as shown. If it were single shaft and work as described, it would have to have one conrod or two on the same journal, Shirley.
Originally posted by Greg Locock
http://www.rexresear...n/1constran.htm
Diagram 16 is the one that makes the most sense.
It may not be the best vehicle transmission but it could be a handy device for other things. Note that it is entirely self regulating.
#3
Greg Locock
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- Joined: March 03
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Posted 11 December 2007 - 23:24
The output shaft is driven by the 'mechanical (one way) valve" - a pair of ratchets or leading shoe drum brakes
#4
phantom II
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Posted 11 December 2007 - 23:39
I read the text next time. He could have had just one rod with two uni direction 'valves' ratchets opporating on top of the shaft so that the rod moves horizontally with more advantage.
Originally posted by Greg Locock
The output shaft is driven by the 'mechanical (one way) valve" - a pair of ratchets or leading shoe drum brakes
#5
Greg Locock
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Posted 12 December 2007 - 01:21
Possibly. The 'mechanical valve' is the weakpoint of the whole design in my opinion. I see a fair number of 'inventions' that 'just' need a cheap reliable (etc) variable stroke oscillating linear to continuous rotary conversion, or vice versa. Given the quality of the thinking that went into the basic idea, I think some of his proposals for the mechanical valve probably bear closer inspection.
Note that you could blow the crankshaft away and just use some types of piston instead, I must ask my local free piston enthusiast if he's ever considered it.
Note that you could blow the crankshaft away and just use some types of piston instead, I must ask my local free piston enthusiast if he's ever considered it.
#6
Engineguy
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Posted 13 December 2007 - 21:28
I wonder how much that inertia wheel would have to weigh vs. vehicle weight to work. Perhaps the resistance could be compression of air rather than rotational inertia? I'm not sure I like the idea of a ratcheting drive. Sprag clutches are very dependable one way devices but I'm not sure they're used in full-fledged constant stroking ratchet-drives.
Worked for Trevor Harris designed and manufactured "Harris Vertical" though...
Yeah, that Trevor Harris... Shadow CanAm "go-kart"...
http://www.ultimatec...large/997-1.jpg... dominant BRE Datsuns, dominant Nissan GTPs, Nissan Group C, Nissan stadium and off-road trucks, Frisbee CanAm, Galles Indy, Eagle Indy, and Trophy Trucks for Chevrolet. Interesting website on his career at http://www.freddifre..._lee_harris.htm
Check out the NuVinci CVT (Fallbrook Technologies) for a neat off-the-shelf, buy one for your bike or LEV unit.
Worked for Trevor Harris designed and manufactured "Harris Vertical" though...
Yeah, that Trevor Harris... Shadow CanAm "go-kart"...
http://www.ultimatec...large/997-1.jpg... dominant BRE Datsuns, dominant Nissan GTPs, Nissan Group C, Nissan stadium and off-road trucks, Frisbee CanAm, Galles Indy, Eagle Indy, and Trophy Trucks for Chevrolet. Interesting website on his career at http://www.freddifre..._lee_harris.htmCheck out the NuVinci CVT (Fallbrook Technologies) for a neat off-the-shelf, buy one for your bike or LEV unit.
