Breaking News
Comments
Newest First | Oldest First | Threaded View
Page 1 / 3   >   >>
Simon Katich
User Rank
Rookie
re: Valeo makes your car engine hybrid
Simon Katich   6/27/2013 6:22:56 AM
NO RATINGS
Hybrid car engines are very expensive and efficient than the normal diesel car engines. People do prefer more the hybrid cars now a day than that of diesel cars. Hybrid cars have more powerful engine and can run for a long time without any engine defect. These hybrid cars are really very efficient and i have gone through the above article to know about it. http://www.swedishmotorautorepair.com/Services_2.html

steve.freestone
User Rank
Rookie
re: Valeo makes your car engine hybrid
steve.freestone   8/6/2012 9:30:17 PM
NO RATINGS
And put it on a motorcycle! Take that, Honda GoldWing! (1800 cc 6 cylinder boxer)

WKetel
User Rank
Rookie
re: Valeo makes your car engine hybrid
WKetel   8/2/2012 9:35:44 PM
NO RATINGS
The alternator-starter is half of the stop-start system, the other needed part is the means to disengage the engine so that the vehicle can coast. The simplest system would not need any of those fancy computers because it would rely on driver judgement, which is good for cutting fuel consumption in half for city driving. The problem with that system was the wear on the shift and clutch linkages from much greater use. Once some simple clutching system is developed, the rest will be easy. NO, it will not be for everybody, because many folks lack the skill needed to drive that way, and they are unable to concentrate enough to handle that kind of driving. But if they could do it in Mexico in the early seventies, with no outside funding, doing it today should not be that much of a challenge.

Les_Slater
User Rank
CEO
re: Valeo makes your car engine hybrid
Les_Slater   7/31/2012 3:26:58 AM
NO RATINGS
I can see many advantages to the mild hybrid approach but there are of course shortcomings. One is the inability to drive the vehicle without the engine engaged and running. Another is the efficiency of braking energy recovery, especially if there is a torque converter type of automatic transmission. Braking recovery needs to optimized for low engine RPM so braking energy is not dissipated as heat pushing engine compression. The use of a dual clutch automatic could alleviate much of the braking loss if the alternator could be made to deliver substantial charge rate at engine RPMs under 1000.

daleste
User Rank
CEO
re: Valeo makes your car engine hybrid
daleste   7/31/2012 2:07:20 AM
NO RATINGS
When I was buying my F150, I looked at the eco-boost. The V6 was 1 mpg more than the V8. The eco-boost V6 was one more mpg than the V6. The eco-boost was about $3k more than the V8. I decided to have a V8.

jnissen
User Rank
Manager
re: Valeo makes your car engine hybrid
jnissen   7/30/2012 6:23:08 PM
NO RATINGS
Ford's ECO Boost technology is giving them V6 performance in the four cylinder format and the V6 is competing with with the V8's. It really is something that changes the overall equation. WHy take the hit for a heavy V6 when you can use a very powerful 4 and get terrific mileage to go along with it. I must admit I'd love to see an EcoBoost V8 with about 600+ HP!

_hm
User Rank
CEO
re: Valeo makes your car engine hybrid
_hm   7/28/2012 10:00:26 PM
NO RATINGS
Very interesting approach. More auto vendor should get involved with Valeo to make this happen much quicker. How will they place required battery?

Bert22306
User Rank
CEO
re: Valeo makes your car engine hybrid
Bert22306   7/28/2012 9:22:09 PM
NO RATINGS
I think what we are seeing is that the V-6 is the higher grade option, in the mid sized cars with upgraded package. Once the province of V-8s. Fours are becoming prevalent even in mid-sized cars with the basic feature package. For example, the short wheel base Epsilon platform cars (platform designed by Opel), like the new Chevy Malibu and new Buick Regal, are turbo fours only (so far anyway). But the Buick Lacrosse, which is the long wheelbase Epsilon, comes with the V-6. If you look at Mercedes Benz, the C class and the SLK come either with turbo fours or with the new 60 degree V-6. And the luxury models, all but one, now come with only turbo V-8s. For some odd reason, Mercdes Benz doesn't yet offer turbo V-6s, although I'm willing to bet that's just around the corner. It looks like, for a given power output, you can get better EPA fuel economy ratings with turbo engines than naturally aspirated engines. Probably because, when driven mildly, e.g. city driving without hard acceleration, the turbo engine operates like low powered small displacement engine.

Les_Slater
User Rank
CEO
re: Valeo makes your car engine hybrid
Les_Slater   7/27/2012 9:38:45 PM
NO RATINGS
Above, I said I do not know all the reasons, but the six seems to be going away, at least in the power range I've been talking about. I think there are a number of reasons. These might include economics, fuel efficiency, physical size and reliability. I like the six too, my favorite was the VR6 because of its compactness without too many compromises over the straight variety (actually with much of the soul and attributes of the straight) but it too seems to headed towards extinction. The vibrations of the four seem to have been sufficiently tamed, internally and externally. The bottom line these days seems to exclude elegance just for the sake of elegance. Power, efficiency, compactness, reliability and cost are what rules. Intake pressure boost, sophisticated valving and fuel deliver,and electronic control of everything have changed the game. We have new goals and rules. Metallurgy and mechanical engineering are also much advanced. And this is all part of a bigger platform and the ecosystem it lives in.

Bert22306
User Rank
CEO
re: Valeo makes your car engine hybrid
Bert22306   7/27/2012 7:43:10 PM
NO RATINGS
A V-6, or even better a straight six, is a sweet, sweet engine. No matter how much you try to balance a four with extra balance shafts, it's always going to be a buzzy four. This has nothing to do with power. It has to do with naturally balancing the first and second moments. I'd much rather have a 2 liter 6 cylinder than a 2 liter 4 cylinder, EVEN IF the 6 did not produce more power.

Page 1 / 3   >   >>


Most Recent Comments
Flash Poll
Top Comments of the Week
Like Us on Facebook
EE Times on Twitter
EE Times Twitter Feed

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Max Maxfield

The Best of the Best Videos on YouTube
Max Maxfield
4 comments
A couple of days ago, my chum Paul was visiting me in my office. He'd wandered over from his cubicle in the next bay to take a brief coffee break. This week, Paul had been admiring the ...

Jolt Judges and Andrew Binstock

Jolt Awards: The Best Books
Jolt Judges and Andrew Binstock
1 Comment
As we do every year, Dr. Dobb's recognizes the best books of the last 12 months via the Jolt Awards -- our cycle of product awards given out every two months in each of six categories. No ...

Engineering Investigations

Air Conditioner Falls From Window, Still Works
Engineering Investigations
2 comments
It's autumn in New England. The leaves are turning to red, orange, and gold, my roses are in their second bloom, and it's time to remove the air conditioner from the window. On September ...

David Blaza

The Other Tesla
David Blaza
5 comments
I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...