LiquidPiston Successfully Runs Hybrid-Electric X-Engine on Hydrogen, Proves Zero Emission Engine Technology Is a Reality

By Associated Press 18 June 2021, 12:00AM

BLOOMFIELD, Conn.--(BUSINESS WIRE)--Jun 17, 2021--

LiquidPiston, Inc., developer of advanced rotary diesel and multi-fuel internal combustion engines, today released a video with Warped Perception announcing its innovative X-Engine’s ability to run on hydrogen gas. The successful use of hydrogen gas to power the X-Engine, a next-generation rotary engine, demonstrates that fuels created using renewable energy are a possible pathway forward to enable engines to become zero emission power generation technologies. This is the sixth fuel variation that has been shown to power the X-Engine along with gasoline, propane, kerosene, diesel, and jet A fuel.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20210617005217/en/

LiquidPiston replaced a traditional go-kart engine with its hybrid-electric X-Engine powered by hydrogen. (Photo: Business Wire)

To demonstrate the viability of hydrogen fuel powering the X-Engine, the LiquidPiston team modified its 4.5 lb X-Engine (core) to run on hydrogen. The engine was then installed in a hybrid-electric configuration on a go-kart, which was originally powered by a 39-pound gasoline engine. The hybrid approach combines the benefits of hydrogen power with the benefits of electric power, and can enable regenerative braking, where the simple act of braking works to recharge the go-kart’s battery, allowing for longer travel times between refueling stops.

The developmental X-Engine was initially tested at the company’s on-site dyno testing facility. In the video from Warped Perception, you can see how the architecture of the X-Engine enables LiquidPiston to overcome the inefficiencies of a traditional rotary engine and run on fuel like hydrogen. The video provides insight into the X-Engine operation through high-speed footage of hydrogen combustion within the engine’s chambers and also shows how the hybrid electric system is set up on the go-kart, including an initial debugging run followed by a successful system test.

Hydrogen can be generated without CO 2 emissions, and when the burning hydrogen is recombined with air inside the engine, the primary output is water. Such an approach has proved difficult with piston engines, because the ignition energy of hydrogen is extremely low, and any hot spots cause premature ignition of the fuel. The hydrogen combustion process is also significantly faster than that of traditional fuels. The X-Engine offers a pathway to address these challenges in a package that is more powerful and lower cost than fuel cells.

“An X-Engine running on hydrogen gas could be a viable solution to a number of sustainable transportation challenges - from aviation to automotive,” said Alec Shkolnik, CEO and co-founder of LiquidPiston. “In the not so distant future, we could see an X-Engine taking hydrogen gas created using energy from solar panels and wind turbines to power electrified vehicles - creating a truly zero emissions vehicle while minimizing battery size, weight and cost. We look forward to further exploring the possibilities of sustainable fuels with our X-Engine.”

Today’s solutions for power and energy are held back by a lack of technological innovation. Gasoline engines are inefficient, diesel engines are big and heavy, and electric power/batteries weigh a lot compared to what they produce. LiquidPiston’s engines are up to 10x smaller and lighter than traditional diesel engines and increase efficiency by up to 30 percent thanks to the company’s patented thermodynamic cycle.

LiquidPiston licenses its technology to partners, while also offering technical engineering consulting services to custom design and develop application-specific engines for its partners and customers, which include engine manufacturers and systems integrators. Its X-Engine is currently being developed for specific uses in the United States Army and Air Force.

To learn more about these developments and LiquidPiston’s X Engine platform, click here. For media assets click here.

About LiquidPiston, Inc.

LiquidPiston, Inc. develops compact, quiet, fuel-efficient, low-vibration, multi-fuel capable combustion engines that are scalable from one horsepower to over 1,000. The company’s patented High Efficiency Hybrid Cycle (HEHC), an improved thermodynamic cycle, and engine architecture enable the company to create engines optimized for fuel efficiency. LiquidPiston’s engines have only two primary moving parts - a shaft and rotor - resulting in compact size and low-vibration operation. Although they are rotary engines, LiquidPiston’s engines are not Wankel engines; they are uniquely configured to adopt the company’s patented thermodynamic cycle and its associated efficiency and low-noise benefits. To learn more, visit www.liquidpiston.com.

View source version on businesswire.com:https://www.businesswire.com/news/home/20210617005217/en/

CONTACT: Chelsea Higgins

BIGfish Communications for LiquidPiston

[email protected]

KEYWORD: UNITED STATES NORTH AMERICA CONNECTICUT

INDUSTRY KEYWORD: ALTERNATIVE VEHICLES/FUELS HARDWARE GENERAL AUTOMOTIVE TECHNOLOGY AUTOMOTIVE

SOURCE: LiquidPiston, Inc.

Copyright Business Wire 2021.

PUB: 06/17/2021 09:00 AM/DISC: 06/17/2021 09:02 AM

http://www.businesswire.com/news/home/20210617005217/en

By Associated Press 18 June 2021, 12:00AM
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