| 摘要 |
PCT No. PCT/DE83/00076 Sec. 371 Date Dec. 27, 1983 Sec. 102(e) Date Dec. 27, 1983 PCT Filed Apr. 27, 1983 PCT Pub. No. WO83/03890 PCT Pub. Date Nov. 10, 1983.There is described here a gas water heater consisting of a blower (1), a premixing device (2), a gas burner (3), a heat exchanger (4), and a waste gas heat exchanger (5). Gas burner (3) works as super-stoichiometrically premixing burner and has a burner plate (9) which is cooled on the reverse side and which has a plurality of mixture passage openings (10). Heat exchanger (4) extends through two chambers (6, 7) which are located next to each other and through which waste gas flows in opposite directions. Condensation heat exchanger (5) works in the counter-current and consists of star-shaped section pieces through which heating water flows centrally and which are arranged vertically. Waste gas heat exchanger (5) and premixing device (2) run parallel to each other. |
