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Achates Power continues development of opposed-piston technology for US Army vehicles

Green Car Congress

The family of engines strategy uses a common power cylinder system across several different engine variants to address a range of power and torque requirements in order to serve multiple military vehicles with a common architecture. The variable flow lube pump helps maintain engine efficiency.

Powered 418
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Shell develops new concept synthetic lubricant for engines; up to 6.5% fuel economy benefit on urban cycle

Green Car Congress

A collaboration between research teams at Shell and Gordon Murray Design (GMD) recently led to the development of an innovative concept engine lubricant capable of achieving a 6.5% 25 city car as the test bed, Shell engineers formulated an ultra low viscosity 0W-10 motor oil. benefit on a combined cycle.

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Bladon Jets, SR Drives and Jaguar Land Rover Win Funding for Gas Turbine Electric Vehicle Project

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Oil-less carbon-air bearing system. Bladon suggests that in an hybrid vehicle application, with no water-cooling system, oil or catalytic converter, the Micro-Jet engine can provide vehicle weight savings of up to 15%—with a consequent reduction in fuel consumption and carbon emissions—compared to a piston engine.

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ETI announces £2.5M lower drivetrain HDV efficiency project

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The ETI is a public-private partnership between global energy and engineering companies—BP, Caterpillar, EDF, E.ON, Rolls-Royce and Shell—and the UK Government. This project will look to improve the overall system design, with a synergistic focus on gears, bearings, surface treatments, lubricant flow and lubricant composition.

Mariner 231
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Australian Cam-Drive Gasoline Engine Reaches 39.5% Efficiency in Independent Testing; Potential for Production Engine in China

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The piston assembly slides rigidly through the block via an oil pressure fed guiding system eliminating piston to cylinder-bore contact, reducing wear and lubrication requirements in the cylinder, and also reducing piston side shock—making ceramic technology suitable. Tags: Concept Engines Engines.

Engine 240
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LiquidPiston introduces latest X-series version of HEHC rotary engine; targeting 58% peak BTE, 2 hp/lb power density

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The X2 engine is less sensitive to prototyping/machining errors, and is very fast to assemble and disassemble, so ultimately it will improve our development time, Shkolnik said. The X2 engine is planned to be available as a beta prototype for outside testing by the first quarter of 2013.

Engine 312
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Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism

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Mpa (8 bar) and the oil flow rate is 3L/min. For the study, Honda installed a small pump separate from that of engine lubricating oil pump. Oil passage was constructed from the external pump through the crankshaft and connecting rod to the piston. Tags: Concept Engines Engines. Ishikawa, K.

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