[DUMBGRUNT]

This is all over the news today, and not much on the "The design of Mainspring’s Linear Generator uses a low-temperature reaction of air and fuel "

??????

[DUMBGRUNT]

A diagram of the mechanics in action.
Nothing on the process?

https://www.youtube.com/watch?v=bSPRT1JAXj4

[E. Pluribus Unum]

Sounds like an enhanced Sterling engine.

[762X51]

What flameless, fuel air “reaction” occurs that drives the pistons outward??? This has the distinct odor of snake oil about it.

[wbarmy]

Are we talking about catalytic methane combustion?

[jeffersondem]

“This is all over the news today, and not much on the “The design of Mainspring's Linear Generator uses a low-temperature reaction of air and fuel””

From the article: “The capability of this technology to dynamically switch between natural gas and renewable fuels like biogas and hydrogen, results in both high efficiency and low emissions.”

This reads to me like they will start with natural gas and later, when available, use biogas and hydrogen.

Mostly aspirational I'm thinking. But well-intentioned people will eat this up.

[RetiredTexasVet]

Have they finally added the right amount of Pixie Dust to make the E-Cat finally work?

[The Great RJ]

It uses fuel as the energy source which implies some type of combustion

[PIF]

Magnets are made with rare earths, most of which come from China

[sonova]

I associate low combustion temperatures with low efficiencies in heat engines. What is new here?

[Organic Panic]

Hmmm. Low pressure air and fuel mixture. Golly. How revolutionary.

[Fester Chugabrew]

Anything we can do to lessen the grid and make smaller, safe, localized, private power available should be welcome.

[Basket_of_Deplorables]

Interesting!

Issues:
1. Air springs are very inefficient, though. Absorb energy.
2. Must be a catalyst in there somewhere for the fuel.
3. I don’t think linear generators are as efficient as rotary, also.

But cool tuff!

[Cboldt]

See US Patent 9,567,898

[Kevmo]

Sounds like an adaptation of a Bloom Energy box.