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MHI launches 4 new high-power models conforming to all emission control standards |
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Tuesday, 03 March 2009 |
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Mitsubishi Heavy
Industries, Ltd. (MHI) began the marketing of four new models in its
"Mitsubishi Meiki Engine" line up of single-cylinder multipurpose
gasoline engines. The engines added are the "TLE48," which is the
largest model in the 2-stroke cycle TLE Series, and three large-size models for
the 4-stroke cycle GB Series: the "GB290," "GB300" and "GB400."
All four models conform to the emission controls of Japan,
the U.S. and Europe. The three new GB Series models adopt mechanisms
to enable low-vibration and low-noise features.
 The new TLE series from MHI is the company's largest
engine for hand-held machinery use that conforms to global emission control
standards. It offers fuel efficiency improved by about 40% compared with the
TB50, an existing domestic model with similar displacement, according to the
company’s press release. Engines in the TLE Series also adopt a stratified scavenging
system that significantly reduces discharging of unburned air-fuel mixture gas
in the air, which occurs in the nature of 2-stroke engine mechanism.
MHI has also added three new
remodelled models, in order to meet customer strong needs for high-power
models. The newly added models carry on the GB Series' basic development
concept focused on low vibration and low noise. By various measures including
optimization of the balance ratio through redesign of the crankshaft and
counterweight of the balancer shaft, vibratory force has been reduced by 15%
compared to the GM Series engines. |
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