| 摘要 |
1,114,444. Once through vapour generators. FOSTER WHEELER CORPORATION. 17 May, 1965 [27 May, 1964], No. 4571/68. Divided out of 1,114,441. Heading F4A. The present Application discloses the same subject-matter as Specification 1,114,441 but the claims relate to the supporting of the tubes forming the passes in the lower part of the furnace enclosure from the tubes forming the passes in the upper part of the furnace enclosure. It is also disclosed that an additional furnace pass may be provided by sub-dividing the number 2 furnace pass into two sequential passes (numbers 2 and 3, Fig. 17) each occupying part of one of the opposed side walls as well as part of the side portions of the front and back walls of the lower part of the furnace enclosure. |
