The engine is highly versatile, offers unprecedented power density and has a broad range of applications in both vehicles and machines. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. No poppet valves eliminating poppet valves reduces the cost of engine fewer parts, improves the ser. This week it was granted the us8,910,597 patent for the patpoc engine. Patpoc like opoc and patportless engines the technical. Opoc diesel engine running by twostroke operation cycle. It can open over 200 different types of files and very likely yours too. This engine was promoted to significantly improve fuel efficiency, and substantially reduce production costs. Dec 04, 2016 the opoc engine is an opposedpiston opposedcylinder, 2stroke engine. To allow the air to enter into the cylinder or the exhaust, gases to escape from the cylinder, valves are provided, known as inlet and exhaust valves respectively. Junkers rhombusconfigured engine investigation was designated p2000.
All of these opoc designs are different from the flat four and flat six engines you find in a. The opoc engine is an opposedpiston opposedcylinder, 2stroke engine. Ecomotors opposedpiston engine to be built in china. Retail investors seem to like the idea of a new engine. Ecomotors acquires katech manufacturing performance racing. Ecomotors teams with navistar to produce turbo diesel opoc.
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. How is boxer engine arranged and its operation principle. China to build ecomotors efficient opposedpiston engines. There are no commercially available cars as of 2016 using opposed piston engines. Join the grabcad community today to gain access and download. The opoc engine is a new architecture of ic engines and is growingly paid attention to due to its remarkable advantages in comparison with conventional 4 stroke engines. Ecomotors acquires katech manufacturing performance. Today, more than ever, data protection is a major priority. Sir joseph swan centre for energy research 167,030 views. The design relies on precise computerized control of all the components. The opoc engine was the forerunner that proved the technology. It consists of two cylinders with a piston at both ends.
Opposedpiston crankshaft system dynamics simulation and. The opposedpiston, opposedcylinder engine cafe foundation. The reason which prompted one of the wealthiest people on the planet into providing funding for the company is the so called opoc engine or opposed pistonopposed cylinder engine. The opoc engine how it works bright hub engineering. And, thats partly thanks to innovative designs that keep cropping up like the opoc opposed piston opposed cylinder engine from. Google has open sourced chrome pdf engine, which allows to view and print pdf files, and fill pdf forms. The opoc looks complicated, and expensive to build, for a two stroke engine. If you dont have enough time to complete the survey all at once and would like to come back you can do so by setting up a personal password. This also improves the power density by another factor of 2. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. This survey should take approximately 1020 minutes to complete. In a recent article, we highlighted the controversial scuderi group and their scuderi engine that never seems to materialize into a commercially viable product.
Grey cast iron is used for efficiency, machinability and performance. Maintaining hipaa, federal patriot act, and erisa compliance on your behalf is a top priority at opoc. Jul 20, 2010 the reason which prompted one of the wealthiest people on the planet into providing funding for the company is the so called opoc engine or opposed pistonopposed cylinder engine. Pdf search engine allows you to find free pdf books and files and download them to your computer. By the end of 1937, a single cylinder test engine and a complete sixcylinder block had been built and run. This engine configuration is the basis for the ecomotors paradigm an alternative to todays traditional internal combustion engine. Engine design opposed piston architecture with 2stroke design for higher power density, improved powertovolume ratio, high fuel efficiency and low heat rejection. Opposed piston opposed cylinder opoc 510 kw heavy fuel.
This engine was promoted to significantly improve fuel efficiency, and. In opposedpiston engines op pistons are arranged in such a way that two. According to ecomotors, based in suburban detroit, the new opoc. Petrol and diesel opposedpiston engines have been used, mostly in large scale applications such as ships, military tanks and in factories. Are there any examples of cars that use an opposed piston. In april 1938, the rlm reichsluftfahrtministerium or. Another opoc design from pinnacle engines tries to solve for that by being a fourstroke engine. With equipment including a 28kw 899cc overhead valve engine, black plastic bumpers and radiocassette player, the panda hawaii also offers free insurance to firsttime teenage drivers.
The lightduty engine is a basic achates opposed piston 2stroke engine. Ecomotors teams with navistar to produce turbo diesel opoc engine. The announcement came earlier this month from foxit software, the original maker of foxit pdf s. An opposedpiston engine is a piston engine in which each cylinder has a piston at both ends, and no cylinder head. The design of opts engine is unique in structure, ventilation and circulation, compared with the traditional four stroke and two stroke engines. The announcement came earlier this month from foxit software, the.
Achates will demonstrate the engine in 2018 in a driveable lightduty truck. 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. Oct 22, 2015 ecomotors receives new investment from current customer, zhongding power, adding to the funding from bill gates and khosla ventures business wire october 22, 2015 1. Navistar ecomotors diesel engine diesel power magazine. Jul, 2010 gates, khosla invest in ecomotors efficient engine.
The commitment of ecomotors, the opoc engine developer, with darpa defense advanced research projects agency of the us department of defense, was stopped because in 2012 tardec tank and automotive research, development and engineering center h. 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 advantage the opoc engine could represent the next generation in diesel technology, and its advancement may prove as potent to diesel performance as turbocharging, intercooling, and. Department of energys does argonne national laboratory is working with achates power, inc.
Classification based on combustion process internal combustion engine external combustion. The powertoweight ratio for this engine is around 1. Ecomotors is developing engines that combine two opoc modulesthe twocylinder, fourpiston machine shown here. The grabcad library offers millions of free cad designs, cad files, and 3d models. The opoc engine runs with almost two times the engine speed 3800 rpm along with a large cylinder stroke 167. The funding is to be used to further develop a new engine design called the opposed piston opposed cylinder, or opoc for short. Otto mader and manfred gerlach took over the p2000 project. I dont think i ever read anything about the size of the opoc engine. Mar 12, 2014 the opoc engine architecture is smaller and lighter than conventional engines, with 50 percent fewer components. Patpoc like opoc and patportless engines posted in the technical forum. 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.
Junkers jumo 223 aircraft engine old machine press. Moreover, an opoc engine is just half the size and weight of a comparably powered conventional engine, which reduces the burden of moving its own mass. Freepiston engine range extender technology duration. Pdf the free piston engine fpe is a type of internal combustion engine ice with no. Gates, khosla invest in ecomotors efficient engine cnet. As a result, such engine runs more smoothly, than others. Most two strokes engines are slowly being banned in the usa. The valves are operated by the action of the camshaft, which has separate cams for the inlet.
Nov 29, 2014 patpoc like opoc and patportless engines posted in the technical forum. Hitanshu tyagi, shraddha arya and mandeep singh pages. Ecomotors receives new investment from current customer, zhongding power, adding to the funding from bill gates and khosla ventures business wire october 22. Ecomotors opoc two stroke engines opposed piston opposed.
The opoc engine architecture is smaller and lighter than conventional engines, with 50 percent fewer components. To make sure that only authorized individuals and our associates are on our campus where your data files exist we strictly monitor who is coming and going from the facility. Amazingly, an opoc engine produces power twice as often. According to fiat spokesperson buffo daprile, the panda hawaii is perfect for young men as not only is it cheap to run, but it also attracts members of the. This type of engine is mostly used by such car manufacturers as volkswagen and subaru. Each piston travels about half the distance of a cylinder in a conventional engine. This file type includes high resolution graphics and schematics when applicable. The first diesel engine with opposed pistons, was a. Jun 01, 2011 the opoc advantage the opoc engine could represent the next generation in diesel technology, and its advancement may prove as potent to diesel performance as turbocharging, intercooling, and. As the insist for energy is increasing people look to new technologies to make fuel consumption more efficient. Typical components like the cylinder head, valves, and camshafts are eliminated in the opoc engine design for enhanced scalability, whereby the addition of a. Apr 02, 2019 with equipment including a 28kw 899cc overhead valve engine, black plastic bumpers and radiocassette player, the panda hawaii also offers free insurance to firsttime teenage drivers.
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. Opoc engine developments have made it the new choice for hybrid engines. As a diesel engine, the compact two cylinder engine produces 300 h. Also explains how the opoc engine works, and how two. An opoc engine weighs far less and is much more compact than a conventional engine, and it has about half as many components. This engine was promoted to significantly improve fuel efficiency, and substantially reduce production costs when compared to convententional internal. As compared to other conventional engines, the opoc has drastically small size. 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. 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. On the last page you will have a submit survey button, which once clicked, will expire the code you have for the survey, and the survey will not be accessible anymore. Unlike some innovative engine designs perpetually hyped as the engine of the future, ecomotors opoc engine seems to be making real headway. In the case of internal combustion engine, the combustion of fuel takes place inside the engine cylinder itself. This article also answers how much for an opoc engine, by explaining how opoc engines will be inexpensive and efficient engines for hybrid cars.
Robust engine block designed for continuous operation and long life. Opposed piston opposed cylinder and with in perfect balance. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files. Because of opoc engine efficiency, bill gates has invested in the engines, which were invented by a volkswagen engineer. Its currently not known what engines will power the allnew 2019 silverado 1500, but one industry analyst has hinted that a new 2.
The opocs new opposed pistonopposed cylinder direct gas exchange operation provides the well known emissions benefits of 4cycle engines, the simplicity. Ecomotors receives new investment from current customer. Gates, khosla invest in ecomotors efficient engine. The valves are mounted either on the cylinder head or on the cylinder block. Have you ever heard anything about ecomotors opoc engines. Em founder, chairman, chief technical officer, and inventor of the opoc technology, professor. How opposed piston opposed cylinder opoc engines work. 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. Finally, we can start experimenting with the simplest cheap parts and tools and get fantastic results. 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. Pdf transient control of a hydraulic free piston engine. Good clear videos showing how easy it is for your car to get 100 miles per gallon and much more, have started appearing since 2012 or 20.
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