Concept Engine Design Exhaust 
Green Car Congress
MAY 8, 2014
The MkII Clarke-Brayton Engine is a boxer-configuration split-cycle engine implementing what Motiv calls the Clarke-Brayton cycle. Motiv suggests that the MkII engine will be up to twice as efficient as a conventional automobile engine and up to 20% more efficient than modern diesel engines. Gas transfer.
Green Car Congress
JANUARY 28, 2021
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.
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Green Car Congress
JUNE 6, 2012
Design of opposed-cylinder free-piston linear generator from earlier works with single, centered linear generator. Most of this work focused on a similar design: a single linear generator placed between two opposed cylinders, as in the diagram at right from Shanghai Jiaotong. Click to enlarge. —Ling Huang 2012.
Green Car Congress
MAY 7, 2009
Rendering of the Ilmor 5-stroke concept engine. Ilmor Engineering will present a new cutaway version of the Ilmor 5-stroke concept engine at the upcoming Engine EXPO 2009, 16-18 June, in Stuttgart, Germany. The 5-stroke concept engine is a self-funded proof of concept. Click to enlarge.
Green Car Congress
DECEMBER 1, 2014
The H-engine—basically two separate engines housed within the same engine block—comprises two switchable parallel piston banks, independently fueled by gasoline and CNG. Startup Eco-Motive has developed what it calls the first dual-fuel “H” engine; it recently received a patent (# 8807098 ) on the design.
Green Car Congress
OCTOBER 31, 2009
Swissauto Wenko AG of Switzerland produces a modern version of the Comprex—the Hyprex—designed for small gasoline engines. Since heat release increases pressure inside the channel, opening the outer channel end generates an outflow of the exhaust gases. Earlier wave rotor implementation were mainly axial flow. Hîrceagã, M.,
Green Car Congress
MAY 23, 2009
Shifting the operating point of the engine is also possible, using at least one cylinder in a conventional combustion manner at high load, and using at least one cylinder to pump air into the pressure tank. In large naturally-aspirated SI engine, high-friction, pumping losses and part-load operation all contribute to poor fuel efficiency.
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