Ecomotors opoc two stroke engines opposed piston opposed. The opoc engine is an internal combustion engine, so it isnt emissionsfree. If you have any engine designs that you think would make a good video just leave a link or a. This engine was promoted to significantly improve fuel efficiency, and substantially reduce production costs when compared to convententional internal. Apr 19, 2011 the opocs direct gas exchange operation provides the emissions benefits of fourcycle engines, the simplicity benefits of twocycle engines, the power density of the opposed piston engine, and the developments in electronics and combustion technology all tied together in a proprietary engine architecture. Ecomotors was an american company developing and commercializing an opposedpiston opposedcylinder opoc engine for use in cars, light trucks. I think the eco motors has a neat internal combustion engine. Have you ever heard anything about ecomotors opoc engines. An estimated 90% scavenging efficiency has been achieved with unique gas exchange characteristics of the opoc engine and the use of an electric assisted turbocharger.
Ecomotors opoc engine seems to be making real headway. It consists of two cylinders with a piston at both ends. The ecomotors engine also uses a proprietary system for controlling exhaust. Zhongding power signs strategic agreement with ecomotors. Mar 04, 2014 i think the eco motors has a neat internal combustion engine. Aftermarket cylinder heads why you shouldnt just bolt them on part 2 trrc vortecpro duration. Ecomotors developed advanced technology to support commercial production of the opoc engine. Opoc the new, green engine attracting star support the. Ecomotors acquires katech manufacturing performance. Downloaded from sae international by stephan schneider, monday, october 24. Ecomotors opposedpiston engine to be built in china. The opoc engine will deliver the same power levels as.
Now, a small company called ecomotors is proposing a radical overhaul for this centuryold workhorse. In a recent article, we highlighted the controversial scuderi group and their scuderi engine that never seems to materialize into a commercially viable product. Jul, 2010 gates, khosla invest in ecomotors efficient engine. Jun 01, 2011 right now, navistar and ecomotors engineers are busy testing and developing a new version of the opposedpiston opposedcylinder engine opoc, so we dont have those specifications yet, but. In this video, ecomotors chief technology officer explains how the engine works. Ecomotors opoc engine has a number of distinct advantages over traditional internal. Jun 17, 2014 ecomotors em, backed by bill gates and khosla ventures, offers a solution to a pressing problem. Development and experimental investigation of a two. These upstart, independent engine companies range from ventures backed by. Ecomotors has developed a promising technology that. Ecomotors international, a startup based in troy, michigan. This week it was granted the us8,910,597 patent for the patpoc engine. The opoc engine is an opposedpiston opposedcylinder, 2stroke engine. Due to the piston motion of the opoc engine, two opposing injectors.
Ecomotors was an american company developing and commercializing an opposedpiston opposedcylinder opoc engine for use in cars, light trucks, commercial vehicles, aerospace, marine, agriculture, auxiliary power units, generators, etc. But what exactly is an opoc engine and how does it differ. Right now, navistar and ecomotors engineers are busy testing and developing a new version of the opposedpiston opposedcylinder engine opoc, so. Mar 02, 2017 for the opposedpiston and opposedcylinder opoc diesel engine with higher power density, recently it has drawn even more attentions than ever in several developed countries, such usa and germany, et al, which is regarded as a technical innovation to further reduce emission, and decrease fuel consumption, attributed to outstanding thermal efficiency and engine package downsizing. The opoc engine is perfectly balanced enabling stackable power modules. The opoc engine can be an important step in providing affordable, lowemission transportation for the developing world, said gates.
The opoc engine has very high power density of nearly one horsepower per pound resulting in an unprecedented lightweight and compact engine. For several years now, weve been following the progress of this startup on aah. Gates, khosla invest in ecomotors efficient engine. Navistar to develop opposedcylinder opoc engines with ecomotors international.
The patop engine with a basic module comprising one only cylinder and two only opposed pistons is better balanced than the twoopposedcylinders fouropposedpistons basic. Ecomotors opposed piston opposed cylinder engine youtube. Ecomotors teams with navistar to produce turbo diesel opoc engine. For the opposedpiston and opposedcylinder opoc diesel engine with higher power density, recently it has drawn even more attentions than ever in several developed countries, such usa and germany, et al, which is regarded as a technical innovation to further reduce emission, and decrease fuel consumption, attributed to outstanding thermal efficiency and engine package downsizing. The opoc engine is a new architecture of ic engines and is growingly paid attention to due to its remarkable advantages in comparison. Autoplay when autoplay is enabled, a suggested video will automatically play next. Ecomotors secures zhongding power as lead investor for series d round. There are no commercially available cars as of 2016 using opposed piston engines. Oct 15, 2014 achates closer to production of radically efficient twostroke truck diesel. On comparing it with the diesel engine, it indicate that an opoc engine has a better selfbalancing character, less. Aquarius engines addresses the series hybrid concept. Thats ecomotors motor city pitch, and bill gates is on board. Each piston travels about half the distance of a cylinder in a conventional engine.
The opoc engine should go into production in china later this year or next. One opoc engine module is the equivalent of a 4 cylinder engine, while the patop is the equivalent of a 2 cylinder engine, although not quite, because the patop features that third piston for pumpingscavenging. Jul 22, 2010 ecomotors opposed piston opposed cylinder engine. The opocs direct gas exchange operation provides the emissions benefits of fourcycle engines, the simplicity benefits of twocycle engines, the power density of the opposed piston engine, and the developments in electronics and combustion technology all tied together in a proprietary engine architecture. An onboard aquarius engines power generator is charging the battery, the electric engines or both. The engine had one crankshaft and is very similar in concept to the ecomotors opoc engine design, except using a camshaft and valves, and not in opposedcylinder configuration.
Piston design impact on the scavenging and combustion in. Rating is available when the video has been rented. The two pistons in each cylinder run in opposing directions, and hence there is no cylinder head. The engine, as designed by ecomotors international, consists of two cylinders, each with two opposing pistons. Em founder, chairman, chief technical officer, and inventor of the opoc technology, professor. Gates, khosla invest in ecomotors efficient engine cnet. Achates closer to production of radically efficient two. Ecomotors claims to have solved many of these problems with their prototype model em100, opoc engine which produces 325 horsepower and 664 poundsfeet of torque, yet weighs only 296 pounds. Motors executive don runkle and the opoc engine is the brainchild of. Twostroke engines, in general, have superior power densities and. Ecomotors acquires katech manufacturing performance racing. Achates closer to production of radically efficient twostroke truck diesel. Ecomotors, a vcfunded engine startup based in allen park, michigan, builds the opoc engine, so named for its opposedpiston. Seems like its gonna be super efficient, but i wonder how it stacks up to the opoc.
Navistar to develop opposedcylinder opoc engines with. A configuration of the powertrain size of the engine and the battery is designed to meet the specific tier1s or oems specifications, taking into consideration vehicle size, applicationusage, price. Jan 21, 2020 eco motors latest breaking news, pictures, videos, and special reports from the economic times. Opoc engine has a better selfbalancing character, less kinematic inertial force and cylinder lateral pressure, and is helpful in reducing frictional power consumption, and improving the noise vibrations smoothness. Ecomotors says that the new engine architecture, which uses two. The patop engine with a basic module comprising one only cylinder and two only opposed pistons is better balanced than the twoopposedcylinders fouropposedpistons basic module of the opoc engine of ecomotors. As compared to other conventional engines, the opoc has drastically small size. Dec 04, 2016 the opoc engine is an opposedpiston opposedcylinder, 2stroke engine. Article published in international journal of thermal technologies, vol. The company was founded by professor peter hofbauer, a former volkswagen engineer who invented the opoc technology. They have reached an agreement with navistar to build a 2 module turbo diesel version for class 8 trucks, designed to produce about 480 hp, it could deliver as much as 45% better fuel efficiency than the standard heavy. Two stroke engines are favorites of everyone who wants a really compact engine with lots of power, there are fewer parts and power delivery on every stroke. The patpoc can be seen as a short simplified opoc opoc stands for opposed cylinder opposed piston and is the engine of ecomotors bill gates. Patpoc like opoc and patportless engines the technical.
Opposedpiston crankshaft system dynamics simulation and. Eco motors latest breaking news, pictures, videos, and special reports from the economic times. One of the most exciting new types of internal combustion engines is the opposedpiston opposedcylinder engine, and if you cant remember all those tonguetwisting syllables you can just call it an opoc engine. China to build ecomotors efficient opposedpiston engines. Ecomotors international, a khoslafunded startup working to commercialize an opoc opposedpiston, opposedcylinder engine family showcased its em100 100mm cylinder bore base module implementation at the arpae energy innovation summit in washington dc last week. I am not from ecomotors or navistar, but one advantage i see for the opoc engine is its greater symmetry over the patop. These reports elaborate the essential aspects for the development of an opoc engine and also describe the mechanism of an opoc engine and the various applications of an opoc engine. An opposedpiston engine is a piston engine in which each cylinder has a piston at both ends, and no cylinder head petrol and diesel opposedpiston engines have been used, mostly in large scale applications such as ships, military tanks and in factories. Retail investors seem to like the idea of a new engine. The opoc engine runs with almost two times the engine speed 3800 rpm along with a large cylinder stroke 167. As compared to the opposed pistonopposed cylinder opoc engine of ecomotors navistar. How opposed piston opposed cylinder opoc engines work. Up next opposed piston diesel engines are crazy efficient duration.
Ecomotors reinvents the internal combustion engine nanalyze. Ecomotors secures zhongding power as lead investor for. Are there any examples of cars that use an opposed piston. Piston design impact on the scavenging and combustion in an. Nov 29, 2014 patpoc like opoc and patportless engines posted in the technical forum.
The engineers and scientists started achates power in 2004 with the audacious idea that innovation and modern technology could transform the proven and recordsetting twostroke opposedpiston engines of the past into the clean and efficient engines of the future. Inside an opposed piston opposed cylinder opoc engine. Ecomotors em, backed by bill gates and khosla ventures, offers a solution to a pressing problem. Patpoc like opoc and patportless engines posted in the technical forum. A comprehensive investigation on the impact of piston design on scavenging and combustion in an opposed piston, opposedcylinder opoc twostroke engine is carried out and presented in this paper. Twostroke engines, in general, have superior power densities and brake thermal efficiencies. If so, i wonder what the hpmpg specs would be then. Ecomotors receives new investment from current customer, zhongding power, adding to the funding from bill gates and khosla ventures.
The engine is highly versatile, offers unprecedented power density and has a broad range of applications in both vehicles and machines. Do you know how opposed piston opposed cylinder opoc engines work. In this video we look at the opoc engine design and discuss the pros and cons of the design. The company aims to do so without giving up the internal combustion engine which has driven the world forward this past century or so. Ecomotors opoc dualmodule they had a three wheel car called emc3 but i have not read much about it lately. Oct 22, 2015 ecomotors receives new investment from current customer, zhongding power, adding to the funding from bill gates and khosla ventures. This new kind of engine has many advantages over traditional engine, brought by its unique structural arrangements, arousing the industrys attention. Apr 11, 20 ecomotors opposedpiston engine to be built in china. Ecomotors opoc two stroke engines opposed piston opposed cylinder.
Ems opoc architecture uses fewer parts and offer significant increases in fuel efficiency, reductions in weight, emissions, and cost compared to the conventional internal combustion engines. Your browser does not currently recognize any of the video formats available. Ecomotors opposed piston opposed cylinder 2 stroke engine. The opoc engine can be moduled with two, or more, engines coupled via an electric clutch between engines. And as proof that ecomotors is offering serious technology that really could revolutionize the way we use gasoline in the near future, a fellow named bill gates has already invested in the company. I wonder how these two engines will compare and ultimately if an opoc engine could be put in an elio vehicle. Mar, 2010 ecomotors says its opoc engine could deliver about 45% greater fuel efficiency. The first diesel engine with opposed pistons, was a. Ems patented engine architecturenamed opoc for opposed piston, opposed. When more power is needed the second engine is clutched in. Over the last 100 years, the internal combustion engine has transformed almost every aspect of how people work and live. The opoc engine architecture is smaller and lighter than conventional engines, with 50 percent fewer components. Ecomotors teams with navistar to produce turbo diesel opoc.
The powertoweight ratio for this engine is around 1. Jul 14, 2010 autoplay when autoplay is enabled, a suggested video will automatically play next. Check out this amazing graphic that explains how opoc engines work. That money is said to be used to build a factory that can produce 100,000. This also improves the power density by another factor of 2. Ecomotors opoc engine has a number of distinct advantages over traditional internal combustion engines.
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