momentum machines real burger
Momentum Machines/The University of Pennsylvania

A secretive robotics startup has raised a new round of venture funding as part of its quest to replace humans with robots in the kitchens of fast-food restaurants.

Momentum Machines secured over $18 million in financing, according to a SEC filing in May. The startup has generated investments from top VC firms Google Ventures and Khosla Ventures in the past.

In 2012, Momentum Machines debuted a robot that could crank out 400 made-to-order hamburgers in an hour. It’s fully autonomous, meaning the machine can slice toppings, grill a patty, and assemble and bag a burger without any help from humans.

The company has been working on its first retail location since at least June of last year. There is still no scheduled opening date for the flagship, though it’s expected to be located in San Francisco’s South of…