Green Car Congress

MAY 23, 2009

The injection of the additional air during transients can overcome the poor driveability usually associated with heavily downsized and supercharged engines, the team notes. In the pneumatic hybridization scheme, each cylinder is connected via a fully variable charge valve to a shared pressure tank. Dönitz et al. Source: ETH Zürich.

Downsizing 170

Downsizing Concept Engine Hybrid 170

Green Car Congress

APRIL 22, 2009

Engineers from Honda R&D Co., presented a pair of papers at the SAE 2009 World Congress describing the development of a variable compression ratio (VCR) engine enabled by a dual piston mechanism. For the study, Honda installed a small pump separate from that of engine lubricating oil pump. Kadota et al. Ishikawa, K.

Honda 150

Honda Concept Engine Downsizing 150

Green Car Congress

JUNE 6, 2009

The bearings are mounted on the underside of the two inter-connected pistons, which maintain the desired bearing-to-trilobe clearance throughout the stroke. The counter rotation is performed by a reverse gear set at a 1:3 ratio shaft providing two strokes of a piston to 360 degrees of output shaft rotation—the same as a conventional engine.

Engine 240

Engine Gasoline Production China 240

Green Car Congress

JUNE 8, 2009

It is open for applications which will close on 7 September 2009. Libralato Engines. One engine developer has already registered for the Challenge: Libralato Engines. Libralato engine schematic. Source: Libralato Engines. The Exhaust port is located on the outer side of the engine block.

Engine 150

Engine Carbon Exhaust Vehicles 150