how does turbo chef oven work and technology in it? Anyone know exactly how the turbo chef oven works like what technology does it use and how does it supply heat ? I'm interested
From a quick google: It looks to be a combination of 3 different technology, radiant heat, hot air and microwave.

From the turbo chef web site: Tubo Chef Bullet

"The Bullet oven uses radiant heat, high-speed air impingement, and side-launched microwave to cook food rapidly without compromising quality."

Air impingement seems to be high pressure, high temperature air jets: 

https://www.sciencedirect.com/topics/food-science/air-impingement

Video describing air impingement