2 pistons per cylinder. ;-)
Bruno M.
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Op 10-8-2011 3:24, Bob Stuart schreef:
That's very interesting, but I count four pistons, minimum.
Bob
On 9-Aug-11, at 6:47 PM, Pannirselvam P.V wrote:
Hi Pete
Eco motor is innovative modern IC engine evolution
You can see video , animated pictuures too
http://www.ecomotors.com/
The opoc® engine comprises two opposing cylinders per module, with a
crankshaft between them -- each cylinder has two pistons moving in
opposite directions. This innovative design configuration eliminates
the cylinder-head and valve-train components of conventional engines,
offering an efficient, compact and simple core engine structure. The
result is an engine family that is lighter, more efficient and
economical, with lower exhaust emissions.
EcoMotors' opoc® engine has a number of distinct advantages over
traditional internal combustion engines. The opoc® engine has very
high power density of nearly one horsepower per pound resulting in an
unprecedented lightweight and compact engine. The opoc® engine is
perfectly balanced enabling stackable power modules. This unique
modular displacement capability is one of the long standing, but
elusive goals of engine engineers' quest for high efficiency. In
addition, it also results in much less NVH than a conventional engine
of comparable power. Its elegantly simple design allows for low cost,
efficient manufacturing and increased operating durability:
* 50 percent fewer parts than a conventional engine
* Straightforward assembly
* No cylinder heads or valve-train
* Uses conventional components, materials and processes
"Consistent with our leadership strategy, Navistar continues to seek
innovative products which differentiate us from the marketplace,
while others embrace the status quo," said Eric Tech, president,
Navistar Engine Group.
*Power Density*
The internal combustion piston engine has been the primary means of
automotive propulsion for more than a century. Today, thousands of
engineers around the world are hard at work trying to improve this
19th century invention. Some are striving to make incremental gains;
some are hoping for a breakthrough. For all of them, one measuring
stick is the "acid test" for any engine -- power density. As greater
power density is achieved, a range of critically important attributes
will result, including:
* Lower weight
* Smaller size
* Lower material costs
* Lower friction
* Greater fuel efficiency
* Lower emissions
* Lower heat rejection
*Electrically Controlled Turbocharger*
EcoMotors' intellectual property also includes an electrically
controlled turbocharger technology which incorporates an electric
motor in the turbo assembly to regulate boost pressure resulting in a
long list of unique advantages:
* Improved combustion efficiency to meet emissions
* Electrically controlled variable compression ratio
* Improved vehicle fuel economy
* Enhanced vehicle drivability due to improved low-end torque
* Eliminates Turbo lag
* Waste heat recovery by generating electricity
On Tue, Aug 9, 2011 at 3:09 PM, Pete & Sheri
<[email protected] <mailto:[email protected]>> wrote:
What is a two piston ecomotor?
Pete Stanaitis
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