Green Car Congress
DECEMBER 1, 2014
The H-shaped engine comprises parallel left-side and right-side vertical inline piston banks, each having a crankshaft and pistons, a cylinder head, and individual fuel feeds, but sharing a common power transmission system. The H-motor is fed by dual gas tanks on either side of the drive shaft. Concept Engines Engines Natural Gas'
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.
Green Car Congress
MAY 9, 2013
High efficiency internal combustion engine. Heat recovery could also be achieved using the Ricardo split cycle engine, a novel internal combustion engine design that incorporates liquid nitrogen to capture exhaust heat and increase fuel efficiency. The Dearman engine. Compressed air engines (e.g.,
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