Remove Charging Remove Conference Remove Exhaust Remove International
article thumbnail

Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

Green Car Congress

Their paper was presented at the ASME Internal Combustion Engine Division 2012 Fall Technical Conference by Marcello Canova, assistant professor at OSU; lead author was Philipp Skarke, from the University of Stuttgart Institute for Internal Combustion Engines and Automotive Engineering. Exhaust gas exergy map of EcoCAR engine.

Waste 312
article thumbnail

ECONAMIQ: Flexible over-expansion with cylinder deactivation can reduce ICE fuel consumption by up to 20%

Green Car Congress

The company presented its first results at the annual ASME ICEF (Internal Combustion Engine Fall) conference in Chicago. Using the pressure from the exhaust gas from the active cylinders, the ‘idle’ cylinders could be expanded to extract more work out of the engine during partial load operation.

Fuel 186
article thumbnail

Cummins Westport begins development on new mid-range natural gas engine; production by 2015

Green Car Congress

diesel engine and will use Cummins Westport’s proven spark-ignited, stoichiometric cooled exhaust gas recirculation (SEGR) technology. Exhaust aftertreatment will be provided by a simple, maintenance-free three-way catalyst (TWC). Cummins Westport Inc. has begun development on the ISB 6.7G, a mid-range 6.7-liter The ISB6.7

Gas 240
article thumbnail

Small-displacement two-stroke H2 engine could address performance and emissions cost-effectively for recreational market; potential for Asian motor vehicle fleet

Green Car Congress

Oh presented a paper on the work, which was the result of two years of research activity in conjunction with Bombardier Recreational Projects, at the ASME 2012 Internal Combustion Engine Division Fall Technical Conference. Generous squish promotes charge turbulence near TDC for rapid mixing and short combustion duration.

Engine 329
article thumbnail

Study suggests pulsed energy spark plug may support mainstream deployment of advanced, ultra-efficient spark-ignition GDI engines

Green Car Congress

Findings in a study by a team from Texas A&M and Enerpulse ( earlier post ) suggest that pulsed energy spark plugs may be able to serve as enabling technology to support the mainstream deployment of advanced, ultra-clean and ultra-efficient spark ignition internal combustion engines. —Jacobs et al. for conventional plug and 0.65

Plug 265
article thumbnail

Use of a Low-Cost Electric Supercharger Could Significantly Reduce Smoke from Turbocharged Diesel Engines

Green Car Congress

It is commercializing three initial products: Variable Torque Enhancement System, VTES, an electric supercharging system; SpeedStart12, an integrated belt-driven starter generator system; and TIGERS, an exhaust turbine-driven generator system. It can also help minimize the need for expensive exhaust after-treatment. Earlier post.).

Low Cost 186
article thumbnail

CPT VTES Electric Supercharger Selected for Two Projects

Green Car Congress

liter turbocharged engine, VTES delivers in excess of a 50% increase in torque at engine speeds below 3,000rpm, more than compensating for insufficient power from the exhaust turbine. CPT’s electric supercharger significantly increases an engine’s air charge density over the critical first 10 combustion cycles of a low speed transient.