Tank Engine
Mazda Builds New Naturally-aspirated Mzr 1.3l Miller-cycle Engine
Mazda is in another breakthrough as it produces its new naturally-aspirated MZR 1.3L miller-cycle engine which will power the all-new Mazda Demio. The company built this in order to achieve a fuel economy of 23.0 km/L and qualify for Japan's Green Tax exemptions.
When the all-new Demio goes on sale in Japan in July 2007, the new engine will be unleashed by the Hiroshima, Japan Mazda Motor Corporation. In order to attain a 10-15 mode fuel economy of 23.0 km/L, the engine will support the all-new Demio matched with Mazda's first continuously variable transmission (CVT). The 10-15 mode fuel economy of 23.0 km/L is an improvement of an estimated 20 percent over the 19.2 km/L rating of the current model.
For those not well informed, the all-new Demio is known as the all-new Mazda2 in other markets.
The naturally-aspirated MZR 1.3L Miller-cycle engine utilizes a delayed closing of the intake valves. This is done so that the pumping losses will be minimized and the thermal efficiency will be further improved through a higher expansion ratio. The engine is newly developed from the current MZR 1.3L DOHC aluminum engine.
The Sequential Valve Timing System optimizes the intake valve timing. In effect, this provides refined fuel efficiency more than the current MZR 1.3L engine when cruising and accelerating. The CVT is a device that transfers torque at low speeds without loosing power and eliminating the gear-shift shock. In connection with this device, the setup achieves the best fuel efficiency. And those are not all! Smooth and exhilarating ride are also achieved.
Aside from the new highly efficient power train, the all-new Mazda Demio has been built almost 100 kg lighter than its predecessor through techniques in weight reduction. As results, nimble handling and significantly improved fuel economy are achieved.
This Mazda car comes with the naturally aspirated MZR 1.3L Miller-cycle engine matched with the CVT transmission that reaches a fuel economy that is rated at 20 percent or better than the level specified in the 2010 fuel economy standards of Japan. Aside from this, exhaust emissions are also at least 75 percent lower than 2005 standards. This adapts to Japan's Super Ultra-Low Emissions Vehicle (SU-LEV) standard. Consequently, this also qualifies the Demio for Green Tax exemptions, which is one of the goals of the company in building such engine.
Announced in March 2007, Mazda’s Sustainable Zoom-Zoom plan stated its intention to continue the harmony that is experienced between driving pleasures and environmental and safety features as well as its pursuit for an advanced Zoom-Zoom world. The plan includes the constant desire to achieve the following: to create captivating design; to provide Mazda customers with continual driving fun; and to develop enhanced safety and environmental features.
Mazda has built a trick: a new 1.3L Miller-cycle power plant that is naturally-aspirated. The company developed this in order to qualify its new Mazda2/Demio for Japan's Green Tax exemptions. In a Miller-cycle engine, supercharge is normally required. This makes Mazda's new technology attract curiosity. And then, it willed be coupled with first CVT from Mazda. The new Demio is expected to return 54 mpg because of the help of a 222 lb. loss.
Mazda is consistent in saying that its all-new Miller engine is very efficient. However, the company is not able to mention the amount of power it yields. Nonetheless, such engine releases power in order to increase fuel efficiency. After all, that is what the superchargers are conventionally for.
From these facts, it can be deduced further that Mazda continues its identity as an automaker with a partiallity for alternative forms of internal combustion.
About Mazda Motor Corporation
A Japanese automotive manufacturer that is based in Hiroshima, Japan, Mazda Motor Corporation is the maker of such quality and top of the line engines and other at par auto parts such as Mazda fuel tank.
The company is expected to produce 1.25 million vehicles annually as of 2006. Among Japan, Europe, North America, and Latin America, its sales will be evenly divided.
Mazda’s 33.4% of controlling interest is controlled by the Ford Motor Company.
About the Author
Kraig Johanssen is a native of Connecticut and holds a degree in Software Engineering. He now works at a software development firm in Alabama. His love for writing and great interest on cars makes him a proficient contributing author to various automotive magazines.
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