Patent ID: 9291344
Filing Date: 2016-03-22
CPC Classification: F01K,F22B

Claim Text:
1. A forced-flow steam generator, comprising: first and second steam generator pipes which form a surrounding wall, wherein the first and second steam generator pipes are welded in a gas-tight fashion and are traversable by flow in a vertical direction, a passage collector arranged within the surrounding wall, wherein the passage collector connects the first steam generator pipes with the second steam generator pipes, wherein the first steam generator pipes are connected at an outlet side to an inlet side of the second steam generator pipes, wherein the second steam generator pipes are connected in series with the first steam generator pipes, and wherein the second generator pipes each have a restrictor device, wherein each restrictor device is arranged at an upper outlet of the surrounding wall, and wherein each restrictor device is designed as an aperture including a smaller diameter than the second generator pipe.