After years of false starts in green engine claims, the opoc engine just may be the real mccoy. Apr 11, 2011 goes right along with the headline new gasoline engine design has 4x efficiency of pistons when matched against the text which says promises to be five times more efficient than traditional auto engines hey, its just a computer model. To spur car companies into action, ecomotors is showcasing how this can impact and revolutionize styling. A practical approach to realtime computer graphics the morgan kaufmann series in interactive 3d technology eberly, david h. Only time will tell if this new opoc engine will fulfill the potential it seems to offer.
Jun 16, 2011 ecomotors struck a parntership with generac nyse. Car industry technology ecomotors opoc engine goauto. To accomplish this, the ring manufacturers make the ring curvature nonconstant along the. Ecomotors patented engine design creates a groundbreaking internal combustion engine family architecture that will operate on a number of different fuels, including gasoline, diesel, natural gas and ethanol. Development and experimental investigation of a two.
This heat is supplied to a working substance at high temperature. In ecomotors they have the funds, they have the publicity every time a guy in ecomotors coughs, every magazine in the world publishes or reproduces an article for opoc, they have the support only the name of bill gates opens every door. How to improve the internal combustion engine popular mechanics. Ecomotors engine design uses 50 percent fewer parts, which means they are lighter and smaller than a conventional engine. The patented opoc twostroke engine using opposed pistons in a modular boxer cylinder layout is the brainchild of peter hofbauer, former head of powertrain development at volkswagen ag and now chairman and chief technology officer of detroitbased ecomotors international. May 02, 2011 the basic design of the fourstroke piston engine has been kicking around for about 150 years. Opposed piston and opposed cylinder engine courtesy. Ecomotors and generac developing fuelefficient, backup. Radical new engines make a run at reality in the f150 cnet. The analysis and design of a lightweight twostroke 6sided inplane polygon engine having a. Design of an opposedpiston, opposedstroke diesel engine. Dec 04, 2016 a company called an ecomotor developing the new engine named as opposedpistonopposedcylinder engine. 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. The combustion of fuel such as coal, petrol, diesel generates heat.
Reinventing the internal combustion engine bill gates. A company called an ecomotor developing the new engine named as opposedpistonopposedcylinder engine. Over the last 100 years, the internal combustion engine has transformed almost every aspect of how people work and live. Reshaping the future, with students from art center and ccs is exemplifying just what could be possible. This engine configuration is the basis for the ecomotors paradigm an alternative to todays traditional internal combustion engine. One way this was accomplished was by reducing the number of parts. Intellectual property acquisition opportunity ecomotors. Like the ecomotors opoc and the scuderi, pairs of pistons operate together to provide the. As of year 2000, in the united states alone there are about 200 million motor vehicles powered by internal combustion engines.
Jan 03, 2019 these engines are generally used in automobile industries to power cars. If this engine is able to deliver 100 miles per gallon in a passenger car, as its developers hope it will, it will be a great success. The engine configuration presented herein makes it possible to package a large number of power producing pistons in a small volume, resulting in a powertoweight ratio near 2 hp per pound, which has never before been realized in a production engine. Design of an opposedpiston, opposedstroke diesel engine for. Opoc the new, green engine attracting star support. Get engine design book pdf file for free from our online library pdf file. To this extent a design competition, ecomotors design challenge. Jul 25, 2016 the engine had one crankshaft and is very similar in concept to the ecomotors opoc engine design, except using a camshaft and valves. Now, a small company called ecomotors is proposing a radical overhaul for this centuryold workhorse. Pdf todays technology leveraging allows op2s opposed piston 2stroke engine to be considered as an.
China to build ecomotors efficient opposedpiston engines. As hofbauer put it, in a conventional engine the pistons and connecting rods fight with the crankshaft. Modular displacement capability ecomotors patented engine design creates a ground. A heat engine can also be distinguished as an external combustion engine, where combustion of fuel takes place in an external source. The opoc engine can be moduled with two, or more, engines coupled via an electric clutch between engines. Design a fourcylinder internal combustion engine project. Perhaps, most notably, ecomotors is planning on releasing an opposed piston, opposed cylinder engine in the near future primarily for use in automobiles. Pdf opposedpiston op engines were once widely used in ground and. Opposedpiston crankshaft system dynamics simulation and.
Which is copied from an idea from a continental aero engines design in the 1990s a 2 stroke design. As an automobile is driven, the equivalence ratio and intake pressure vary with the engine load. Books on internal combustion engine design engineeringclicks. Ecomotors opoc two stroke engines opposed piston opposed. Adding to the designs elegance is the arrangement and movement of its pistons. Mar 05, 2014 in ecomotors they have the funds, they have the publicity every time a guy in ecomotors coughs, every magazine in the world publishes or reproduces an article for opoc, they have the support only the name of bill gates opens every door. Ive not found a step by step guide to engine design out there are detailed design considerations for each part of an engine could be a book in itself. Two stroke engines are favorites of everyone who wants a really compact engine with lots of power, there are. More than a year ago 12 feb 09, paintermanmechanical started a thread 71237389 to address the question of opposed piston engines. Mar 02, 2017 to explore the interrelation of this special crank system in concept design stage, the multibody dynamics and durability of the pistonopposed crankshaft system was investigated. Trade secrets opposed piston opposed cylinder motor. In 1903 a gobronbrillie car powered by the opposed piston engine was the first car ever to reach 100 mph. Ecomotors and generac developing fuelefficient, backup power. Pdf thermodynamic simulation comparison of opposed two.
Ems patented opoc design is a groundbreaking internal combustion engine family that. The powertoweight ratio for this engine is around 1. Read online now engine design book ebook pdf at our library. Judging by the results i would say anything and everything. Internal combustion engine plays an important role in most of the field from energy production to generate electricity in night market until the production of power for moving a vehicle. A practical approach to realtime computer graphics the morgan kaufmann series in interactive 3d technology. Goes right along with the headline new gasoline engine design has 4x efficiency of pistons when matched against the text which says promises to be five times more efficient than traditional auto engines hey, its just a computer model.
Otto built the first practical fourstroke internal combustion engine called the otto cycle engine, and as soon as he had. Amazingly, an opoc engine produces power twice as often every other stroke, rather. Amazingly, an opoc engine produces power twice as often every other stroke, rather than every fourth stroke. The basic design of the fourstroke piston engine has been kicking around for about 150 years. This is due to the principal characteristic of the twostroke engine having a power stroke for every revolution of the crankshaft.
Modern graphics engine features high polygon count for added visual complexity not just to make things smoother some form of bump mapping for more surface detail from singlelight dot3 to general diffuse specular aniso perpixel lighting some form of shadows from simple blobby discs under characters to full shadow map or shadow volume. Additionally, ecomotors attracted the attention of some of the larger us engine manufacturers and developed partnerships in china for both lower cost manufacturing and access to the chinese auto market. The opposed cylinder design has two cylinders, one on each side of the crankshaft, each with two pistons, for mechanical balance. At this speed, each stroke in the cycle takes place in 20 ms. The closedcycle performance of the engine configurations is compared using a custom. According to the company the twostroke engine is up to 50 percent more efficient than most vehicle engines and pollutes far less than a conventional twostroke engine. The engine, which the company claims is in its sixth generation. Ecomotors opposed piston opposed cylinder 2 stroke engine. Used cars for sale in wybunbury eco motors are a second hand car dealer based in wybunbury, cheshire. Pdf modernizing the opposed piston, two stroke engine for.
Aug 04, 2010 5 ways to redesign the internal combustion engine. 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. Key to the design is an electrically controlled clutch, which disengages a module when necessary. In particular, the piston ring to cylinder bore contact force distribution around the circumference of the piston rings must be optimized under all running conditions. Otto built the first practical fourstroke internal combustion engine called the otto cycle engine, and as soon as he had completed his engine, he built it into a motorcycle. Ecomotors opoc two stroke engines opposed piston opposed cylinder. In the case of internal combustion engine, the combustion of fuel takes place inside the engine cylinder itself. Apr 11, 20 ecomotors opposedpiston engine to be built in china. The opoc engine efficiency and simplicity should also make it durable, saving owners maintenance cost in the longterm. An internal combustion engine can be categorized on many bases, for instance, type of ignition, number of strokes, design, and so on. This engine configuration is the basis for the ecomotors paradigm. Many products that you buy can be obtained using instruction manuals. The opocs new opposed pistonopposed cylinder direct gas exchange operation provides the well known.
Achates highly efficient opposed piston engine is set to find a home in the ford. Design a fourcylinder internal combustion engine academicae. In 2010, ecomotors said it could get four times the power from an opoc twostroke engine as a fourstroke engine of the same mass. Ecomotors opposedpiston engine to be built in china. Design of an opposedpiston, opposedstroke diesel engine for use in utility aircraft. Threedimensional piston ringcylinder bore contact modeling. Jan 30, 2018 radical new engines make a run at reality in the f150.
Analysis and design of a lightweight high specific power. One of the most important landmarks in engine design comes from nicolaus august otto who in 1876 invented an effective gas motor. Generac is a large manufacturer of backup power generators for home. Ecomotors international, a startup based in troy, michigan. The opoc engine is an opposedpiston opposedcylinder, 2stroke engine.
New gasoline engine design has 4x efficiency of pistons. Analysis and design of a lightweight high specific power two. Internal combustion engine handbook basics, components, systems, and perspectives list of chapters. In opposedpiston engines op pistons are arranged in such a way that two. An opoc engine weighs far less and is much more compact than a conventional engine, and it has about half as many components. Jul 14, 2010 the patented opoc twostroke engine using opposed pistons in a modular boxer cylinder layout is the brainchild of peter hofbauer, former head of powertrain development at volkswagen ag and now chairman and chief technology officer of detroitbased ecomotors international. The result is a far greater power output than a traditional engine of comparable size. The design is just what it says, as you can see above, with 2 cylinders and 4 pistons.
Radical new engines make a run at reality in the f150. 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. Opposed pistonopposedcylinder opoc engine is the most exciting new type of internal combustion engines. Firstly the optimized function model of the unique crankshaft system in an op2s opposedpiston two stroke engine was established. Ecomotors has a design called opoc, opposed piston opposed cylinder.
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