[Gasification] Two piston ecomotor?

Bob Stuart bobstuart at sasktel.net
Wed Aug 10 10:06:07 PDT 2011


The Wankel is still being produced in small numbers.  It is good for  
being compact, but is still hard to keep sealed and less efficient  
than piston types.  You could run one from a gasifier, but I wouldn't  
bother if I had a piston engine available.  We've already lost the  
"compact" description.

Bob Stuart

On 10-Aug-11, at 10:56 AM, GF wrote:

> 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?
>
> GF
>
>
> -----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.
>
> JAMES T. LEACH, P.E.
> President
>
> DANA TECHNOLOGIES, INC.
> 32242 Paseo Adelanto, Suite D
> San Juan Capistrano, CA 92675
> Ph 949-496-6516
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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
> 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 <spaco at baldwin- 
> telecom.net> wrote:
> What is a two piston ecomotor?
>
> Pete Stanaitis
> -------------------
>
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