Green Car Congress

SEPTEMBER 8, 2009

Grail Engine Technologies , the designer of a two-stroke engine using forced semi-homogeneous charged compression ignition (FS-HCCI) combustion, has adopted the Pulstar pulse plugs from Enerpulse ( earlier post ). HCCI is a combustion regime in which well-mixed fuel, exhaust gas and air are compressed to the point of auto-ignition.

Engine 186

Engine Plug-in Concept Plug 186

Green Car Congress

OCTOBER 25, 2010

A team from Universita degli Studi di Pisa (Italy) and Rolf Reitz at the University of Wisconsin-Madison are proposing a novel combustion concept—Homogenous Charge Progressive Combustion (HCPC)—based on a split-cycle principle to control HCCI combustion in diesel-fueled engines. HCPC Combustor and Compressor.

Concept 318

Concept Diesel San Diego 2010 318

Green Car Congress

MAY 8, 2014

Motiv Engines, LLC introduced the second-generation of its engine concept dubbed the MkII Clarke-Brayton Engine, which it intends to develop into a heavy-duty on-highway engine fueled by liquid natural gas (LNG). It expands all the way to ambient pressure before the exhaust stroke.

Engine 345

Engine Concept Design Exhaust 345

Green Cars News

MAY 6, 2009

It is believed that when fully developed with its turbo charged and air hybrid components, the engine will achieve significant gains in fuel efficiency - potentially making it the most significant advance since the Otto cycle more than 130 years ago. The event takes place from June 16-18 in Stuttgart, Germany.

Engine 36

Engine San Antonio Petrol Concept Engine 36

Green Car Congress

OCTOBER 18, 2012

Alexander Shkolnik, President and CEO, at the SAE High Efficiency IC Engine Symposium earlier this year, earlier post )—is a 40 hp (29 kW) multi-fuel capable rotary engine that requires no valves, cooling systems, radiators, mufflers, or other components. Constant volume combustion (Otto).

Engine 312

Engine Power Powered Isuzu 312

Green Car Congress

MAY 9, 2013

Example power cycle of the cryogenic (e.g., liquid air) Dearman piston engine. Source: Dearman Engine Company. Sources of low-grade waste heat include power stations to factories to vehicle engines. Click to enlarge. Among the transportation uses of liquid air outlined in the report are: Prime mover.

Energy Storage 268

Energy Storage Transportation Energy Waste 268

Green Car Congress

SEPTEMBER 25, 2009

A pair of Florida entrepreneurs, Rick Ivas and Gary Kelley, are developing the concept of the Garric engine: a rotary, variable compression ratio engine promising a combination of high power and torque and low fuel consumption. The Garric engine has been to operate on a wide variety of liquid and gaseous fuels.

Concept 220

Concept Engine Exhaust Florida 220

Green Car Congress

DECEMBER 30, 2015

The application of HPE is also beneficial to the fuel consumption and emissions because of its several flexible operation modes. A paper on the use of JCCI is published in the ACS journal Energy & Fuels. Compound HPE is divided into a compressor cylinder and a power cylinder, combined with a compressed air storage tank.

Engine 150

Engine Hybrid Diesel Exhaust 150

Green Car Congress

APRIL 20, 2009

The prototype is of the naturally-aspirated Split Cycle gasoline engine, and is intended to be a proof of the basic technology of the split cycle with firing after Top Dead Center (one of the key attributes of the engine and cycle). As a result, Scuderi said, combustion is four times faster than in a conventional engine.

Engine 170

Engine San Antonio Production Concept Engine 170

Green Car Congress

JUNE 6, 2012

Secondly, the central combustion chamber is benefit for highly efficient scavenging via intake and exhaust ports without using valves. Each of the two linear generators in the system is equipped with a mechanical spring, which is used for storing mechanical energy in the power stroke and releasing mechanical energy in the compression stroke.

Design 321

Design West Virginia Hybrid 2012 321