CVT Transmission - Principle of operation
#1
CVT Transmission - Principle of operation
If you've ever wondered how they work or wanted to explain to someone else - check out this link:
http://www.jatco.co.jp/ENGLISH/PRODUCTS/s_cvt.html
I've been trying to find information regarding the expected lifespan of the belt itself and whether it needs to be changed at a specific mileage like a camshaft timing belt.
http://www.jatco.co.jp/ENGLISH/PRODUCTS/s_cvt.html
I've been trying to find information regarding the expected lifespan of the belt itself and whether it needs to be changed at a specific mileage like a camshaft timing belt.
#2
Re: CVT Transmission - Principle of operation
Originally Posted by Big-Foot
If you've ever wondered how they work or wanted to explain to someone else - check out this link:
http://www.jatco.co.jp/ENGLISH/PRODUCTS/s_cvt.html
I've been trying to find information regarding the expected lifespan of the belt itself and whether it needs to be changed at a specific mileage like a camshaft timing belt.
http://www.jatco.co.jp/ENGLISH/PRODUCTS/s_cvt.html
I've been trying to find information regarding the expected lifespan of the belt itself and whether it needs to be changed at a specific mileage like a camshaft timing belt.
See this for a simplified explanation:
http://en.wikipedia.org/wiki/Hybrid_Synergy_Drive
And this for some more info. I think this link is the best explanation of Toyota's E-CVT:
http://www.cleangreencar.co.nz/page/prius-transmission
And here is WMV movie showing how this works:
http://www.toyotageorgetown.com/hybrid/hybrid.wmv
Last edited by TKCamry; 10-07-2006 at 12:13 PM.
#3
Re: CVT Transmission - Principle of operation
Thanks TK...
I'm learning quickly about these cars.. What great technology!
In the Navy we had similar transmissions that were used in Tugs and smaller craft. They also used the Roller drives between Twin Discs. I think the company was "Bay" or something like that.. I'm remembering back to 70-71 timeframe so please forgive..
I remember being pretty impressed by the design at the time too!
Thanks for setting me and the record straight!
I'm learning quickly about these cars.. What great technology!
In the Navy we had similar transmissions that were used in Tugs and smaller craft. They also used the Roller drives between Twin Discs. I think the company was "Bay" or something like that.. I'm remembering back to 70-71 timeframe so please forgive..
I remember being pretty impressed by the design at the time too!
Thanks for setting me and the record straight!
#7
Re: CVT Transmission - Principle of operation
Here's a fun toy that lets you play with the varying parts of the HSD. It'll also show you very clearly why the car won't go over 42 MPH in e-mode. Yes, it's based on the Prius, but the principles are the the same.
http://eahart.com/prius/psd/
http://eahart.com/prius/psd/
#8
Re: CVT Transmission - Principle of operation
Guys
I am a bit confused
My neighbor, who works for Nissan, told me that our CVT transmission is actually made by Nissan and that it was the same transmission that is in the Murano.
Apparently a very reliable one indeed...
BUT, when I read the Wikipedia posting, from TK's post, it's seems it is something else..
Just curious..
Bob
I am a bit confused
My neighbor, who works for Nissan, told me that our CVT transmission is actually made by Nissan and that it was the same transmission that is in the Murano.
Apparently a very reliable one indeed...
BUT, when I read the Wikipedia posting, from TK's post, it's seems it is something else..
Just curious..
Bob
#9
Re: CVT Transmission - Principle of operation
Originally Posted by goldenbob
Guys
I am a bit confused
My neighbor, who works for Nissan, told me that our CVT transmission is actually made by Nissan and that it was the same transmission that is in the Murano.
Apparently a very reliable one indeed...
BUT, when I read the Wikipedia posting, from TK's post, it's seems it is something else..
Just curious..
Bob
I am a bit confused
My neighbor, who works for Nissan, told me that our CVT transmission is actually made by Nissan and that it was the same transmission that is in the Murano.
Apparently a very reliable one indeed...
BUT, when I read the Wikipedia posting, from TK's post, it's seems it is something else..
Just curious..
Bob
http://www.canadiandriver.com/articles/hl/04murano.htm
Rather than using conventional gears, the Murano's CVT utilizes variable-diameter pulleys to provide an infinite number of gear ratios within a given range.
Also here:
http://www.freshalloy.com/site/cars/...ech/home.shtml
Instead of using fixed gears, Xtronic CVT transmits power through two variable diameter pulleys and a high-strength steel belt.
Last edited by TKCamry; 10-08-2006 at 09:56 PM.
#10
Re: CVT Transmission - Principle of operation
Toyota transmission is Continuously Variable Transmission, but outside of that fact it has very little to do with original CVT concept of coned drive and pick up pulleys. I think your Nissan friend is little confused: it is actually not Toyota ussing Nissan, but Nissan using Toyota's hybrid system, including transmission and not in Murano but in some of it's new Altimas which should go on sale by end of this year. You can also get CVT in Maxima if you want to.
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