[Gasification] Two piston ecomotor?

GF gfwhell at aol.com
Wed Aug 10 09:56:43 PDT 2011

There is a similar looking engine in the Science museum in London, which was removed from a WW 2 German Aircraft. It was a high compression Diesel.
Being flat, it fitted into the wing improving the Luft flow thus increasing the furrshluggerindurger.
However, I seem to remember another innovative "Hardly any moving parts engine" called the Wankel which was heralded as being extremely wondrous,
Whatever happened to it's final development? and would it run on a gasifier product?


-----Original Message-----
From: Jim Leach <jleach at danatech.net>
To: 'Discussion of biomass pyrolysis and gasification' <gasification at lists.bioenergylists.org>
Sent: Wed, Aug 10, 2011 1:15 am
Subject: Re: [Gasification] Two piston ecomotor?

The Fairbanks Morse OP engines that propelled the WWII subs were that design.  There are still a few cogen plants around today that use those engines as well in dual fuel configuration, but they were supercharged, not turbocharged.
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From: gasification-bounces at lists.bioenergylists.org [mailto:gasification-bounces at lists.bioenergylists.org] On Behalf Of Pannirselvam P.V
Sent: Tuesday, August 09, 2011 5:47 PM
To: Discussion of biomass pyrolysis and gasification
Subject: Re: [Gasification] Two piston ecomotor?

Hi Pete
Eco motor is  innovative  modern  IC engine  evolution
You can see video , animated pictuures too 
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 <spaco at baldwin-telecom.net> wrote:

What is a two piston ecomotor?
Pete Stanaitis

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