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    • 1. 发明授权
    • Heat resisting structure
    • 耐热结构
    • US5316997A
    • 1994-05-31
    • US667383
    • 1991-03-26
    • Tetsuro ToyodaKatsunori Matsuoka
    • Tetsuro ToyodaKatsunori Matsuoka
    • B21D47/00B32B3/12F01N3/28
    • B32B3/12B21D47/00F01N3/281F01N2330/04Y10T428/1234Y10T428/24149Y10T428/24744
    • An improved heat resisting structure for treating the exhaust gas of a gas engine is disclosed. The heat resisting structure has a honeycomb-form structure formed of corrugated and flat sheets which are alternately overlapped, rolled up, and joined via a brazing filler metal to make a roll-form structure. The brazing filler metal is made of iron(Fe)-base brazing filler metal, and the stainless steel corrugated sheet and flat sheet constituting the base metal are similar in composition. Accordingly, almost no difference exists in the coefficient of thermal expansion between the brazing filler metal and the base metal. As a result, cracks caused by thermal stress between them due to a difference in coefficient of thermal expansion is avoided even when used repeatedly.
    • PCT No.PCT / JP90 / 00969 Sec。 371日期1991年3月26日 102(e)1991年3月26日PCT PCT 1990年7月30日PCT公布。 出版物WO91 / 01876 1991年2月21日,公开了一种用于处理燃气发动机废气的改进的耐热结构。 耐热结构具有由波纹状和平坦片形成的蜂窝状结构,它们通过钎料交替重叠,卷起并接合,从而形成卷状结构。 钎料填充金属由铁(Fe) - 基钎焊料金属制成,构成贱金属的不锈钢波纹板和平板的组成相似。 因此,在钎料和贱金属之间的热膨胀系数几乎没有差别。 结果,即使重复使用也避免了由于热膨胀系数的差异导致的它们之间的热应力引起的裂纹。
    • 3. 发明授权
    • Honeycomb structure for purifying exhaust gas and method of
manufacturing same
    • 净化废气的蜂窝结构及其制造方法
    • US5336472A
    • 1994-08-09
    • US80189
    • 1993-06-22
    • Tetsuro ToyodaKatsunori Matsuoka
    • Tetsuro ToyodaKatsunori Matsuoka
    • B21D47/00B01J35/04B32B3/12B32B3/28F01N3/28B01D53/34
    • B01J35/04F01N3/281F01N2330/04F01N2450/22
    • This device provides a honeycomb structure in which stress concentration on a flat plate in the area of weld with a corrugated plate is avoided in the outer side area of the honeycomb structure, for example, the first and second layers from the outside thereof, whereby cracks and exfoliation of the flat plate are avoided in the area of the weld and the core is also protected from slipping out.In honeycomb structure 5, corrugated plate 3 and flat plate 1 are disposed alternately and welded to form a wound block. In the range of at least not less than two layers from the outside in the honeycomb structure 5, two sheets of flat plate 1 are used in a pair so that they overlap without welding therebetween. When honeycomb structure 5 is used in an environment wherein thermal cycles of heating and cooling are repeated, the outer side thereof is always cooled by open air, while the inner side is not cooled, as a result of which a difference between the amount of thermal expansion and contraction due to the temperature difference occurs and stress is generated. However, this stress is absorbed by two overlapped sheets of flat plate 1.
    • 该装置提供了蜂窝结构体,其中,在蜂窝结构体的外侧区域(例如,第一层和第二层)中,在其外侧避免了在具有波纹板的焊接区域中的平板上的应力集中,由此产生裂纹 并且在焊接区域避免了平板的剥离,并且还保护芯体不会滑出。 在蜂窝结构体5中,波纹板3和平板1交替设置并焊接以形成卷绕块。 在蜂窝结构体5的外部至少不小于2层的范围内,使用两片平板1,使得它们在没有焊接的情况下重叠。 当在重复加热和冷却的热循环的环境中使用蜂窝结构体5时,其外侧总是通过露天冷却,而内侧不被冷却,结果导致热量 由于发生温差而发生膨胀和收缩,产生应力。 然而,该应力被平板1的两个重叠的片材吸收。