Green Car Congress 2010 Honda Insight Hybrid Makes World Debut …

18 Май 2014 | Author: | Комментарии к записи Green Car Congress 2010 Honda Insight Hybrid Makes World Debut … отключены
HONDA Insight 1.3 IMA HE CVT Continuosuly Variable

The 1.3L i-VTEC. Click to enlarge.

1.3L Engine . The i-VTEC engine at the core of the Insight carries a rated power output of 88 hp (66 kW) and develops up to 88 lb-ft (119 Nm) of torque. The i-VTEC valve control system employs a dual rocker configuration that supports both normal valve timing and cylinder idling to achieve a broad power band combined with good fuel economy.

A Programmed Fuel Injection (PGM-FI) system monitors throttle position, engine temperature, intake manifold pressure, intake air mass flow atmospheric pressure, exhaust gas oxygen and intake air temperature to control fuel delivery via multi-holed injectors mounted in the intake port of the cylinder head. The intake manifold is made of a lightweight, composite resin instead of aluminum for further weight reduction.

Dual and sequential ignition with two spark plugs per cylinder facilitates an intense, rapid combustion process for increased power and reduced fuel consumption.

During deceleration, cylinder deactivation via Variable Cylinder Management (VCM) virtually eliminates the pumping action of the cylinders, decreasing resistance to allow the motor/generator to more efficiently generate electricity with which to charge the battery.

The lightweight engine block incorporates a thin-sleeve construction. Friction reducing measures include plateau honing, low-friction pistons, low tensile-force piston rings and an offset cylinder bore. The surfaces of the high-strength forged steel connecting rods have been hardened with a special carbon process for a more lightweight design.

DC Brushless Motor. The 10 kW motor assists in acceleration and some steady state cruising conditions at low-to-mid vehicle speeds, depending upon conditions. The motor also acts a generator during braking, steady cruising, gentle deceleration and coasting to capture kinetic energy and recharge the battery, Under certain conditions (the example given was driving on a flat surface at steady speed in the low 30 mph range), the vehicle will be propelled exclusively by the electric motor.

HONDA Insight 1.3 IMA HE CVT Continuosuly Variable

Battery pack. . The battery system in the IPU consists of seven NiMH modules, each comprising 84 ”D-sized” 1.2V cells. Compared to the fourth-generation battery technology in the 2006 Civic Hybrid, power output per module is 30% higher, enabling a reduction in modules from 11 to 7.

The overall IPU size is reduced by 19% and overall weight by 28%.

Packaging of the ultra-compact IMA battery and IPU in the vehicle’s rear floor allows the enhanced utility of a 60/40 split and fold-down rear seat back.


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