Dark emitters

EP4726258A3Pending Publication Date: 2026-06-24SCHWANK GMBH
View PDF 12 Cites 0 Cited by

Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
SCHWANK GMBH
Filing Date
2021-12-10
Publication Date
2026-06-24

AI Technical Summary

Technical Problem

Existing radiant heaters emit pollutants such as carbon monoxide, carbon dioxide, and hydrocarbons due to incomplete combustion, despite efforts to achieve optimal stoichiometric ratios.

Method used

The use of hydrogen as the exclusive fuel source in a dark radiator, combined with a high air-fuel ratio and controlled mixing outside the blower, minimizes pollutant emissions by ensuring complete combustion and reducing flame temperature below nitrogen oxide formation limits.

Benefits of technology

This approach achieves reduced pollutant emissions while maintaining efficiency by utilizing hydrogen's high reactivity and controlled mixing, eliminating the need for flame flashback prevention mechanisms and minimizing thermal impairment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure IMGAF001_ABST
    Figure IMGAF001_ABST
Patent Text Reader

Abstract

The invention relates to a dark radiator, comprising a burner (1, 5, 6, 7), a blower (2) and a radiant tube (3) connected to an exhaust gas discharge line, wherein the burner (1) is connected to a fuel gas supply, wherein the blower (2) is configured to supply combustion air to the burner (1), wherein the burner (1) is configured to emit a flame into the radiant tube (3, 3'), and wherein the fuel gas supply is connected to a hydrogen source.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Gas burner for inserting in a heating tube

    DE1064671B

  • Gas burner of atmospheric heat producer - has mixt. chamber with sleeve having mixt. outlet apertures and at inlet aperture with gas nozzle in front directed into mixt. chamber

    DE4308657A1

  • gas fired radiant heater

    DE9207435U1

  • emission-free gas burner for heating

    DE9405176U1

  • Combustion method and apparatus for NOx reduction

    US20040115575A1