US Patent 7770312 Flame stimulating assembly

A flame simulating assembly for providing one or more images of flames. The flame simulating assembly includes one or more light sources for producing the image of flames and a screen with a front surface and positioned in a path of light from the light source. The screen is adapted for transmission of the images of flames through the screen. The assembly also includes one or more simulated interior fireplace walls positioned behind the screen, a first simulated fuel bed positioned in front of the screen and a second simulated fuel bed positioned behind the screen and at least partially viewable through the screen. The screen is adapted to permit observation of at least part of the simulated interior fireplace wall.