专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5480299A High-temperature gas blower impeller with vanes made of dispersion-strengthened alloy, gas blower using such impeller, and gas circulating furnace equipped with such gas blower 失效
标题翻译：具有由分散强化合金制成的叶片的高温鼓风机叶轮，使用这种叶轮的鼓风机，以及配备这种鼓风机的气体循环炉
公开(公告)号：US5480299A
公开(公告)日：1996-01-02
申请号：US281071
申请日：1994-07-27
申请人： Yoshitada Motomura , Hiroshi Tawara , Kenji Tsukuta , Tomohito Iikubo
发明人： Yoshitada Motomura , Hiroshi Tawara , Kenji Tsukuta , Tomohito Iikubo
IPC分类号： F04D29/02 , B22F1/00 , B22F3/20 , C22C19/05 , C22C32/00 , F04D29/30 , F27D7/04 , F27B3/22
CPC分类号： C22C32/0026 , F27D7/04 , F27D2007/045
摘要： An impeller for a high-temperature gas blower suitable for a floating conveyor furnace, having vanes each formed of a dispersion-strengthened alloy which includes as a disperse or internal phase 0.1-2.0% by weight of finely divided particles of an oxide of a high melting-point metal, such as Y.sub.2 O.sub.3, Ce.sub.2 O.sub.3, ZrO.sub.2, Al.sub.2 O.sub.3 and Gd.sub.2 O.sub.3, preferably dispersed in an austenite matrix or external phase of Cr, Fe, Al, Ti and Ni. A gas blower having such impeller, and a furnace using such gas blower are also disclosed.
摘要翻译：一种用于适用于浮式输送炉的高温气体鼓风机的叶轮，具有由分散强化合金形成的叶片，该分散强化合金包含作为分散或内相0.1-2.0重量％的细分散的高分子氧化物颗粒熔点金属如Y2O3，Ce2O3，ZrO2，Al2O3和Gd2O3，优选分散在奥氏体基体或Cr，Fe，Al，Ti和Ni的外相中。还公开了具有这种叶轮的鼓风机和使用这种鼓风机的炉。

2. 发明授权

US4795609A High-strength steel for valve springs, process for producing the steel, and valve springs made of the same 失效
标题翻译：用于阀弹簧的高强度钢，用于生产钢的方法和由其制成的阀弹簧
公开(公告)号：US4795609A
公开(公告)日：1989-01-03
申请号：US5118
申请日：1987-01-20
申请人： Tsutomu Saka , Tomohito Iikubo , Yukio Ito
发明人： Tsutomu Saka , Tomohito Iikubo , Yukio Ito
IPC分类号： C21C7/00 , C21C7/04 , C21C7/06 , C22C38/00 , C22C38/44 , C22C38/46 , C22C38/34
CPC分类号： C22C38/46 , C22C38/44 , Y10S148/908
摘要： A high-strength steel for valve springs, consisting of 0.50-0.70 wt. % of carbon, 1.50-2.50 wt. % of silicon, 0.50-1.20 wt. % of manganese, 1.50-2.50 wt. % of nickel, 0.50-1.00 wt. % of chromium, 0.20.0.50 wt. % of molybdenum, 0.15-0.25 wt. % of vanadium, and the balance being iron and inevitably included inclusions. Also disclosed is a process for producing such a high-strength steel, which includes a step of minimizing oxygen in a melt of the steel, so as to reduce the oxygen content of the steel to 15 ppm or less, and a step of adding calcium to the melt and thereby controlling the form of the inclusions. The process may further include a step of minimizing titanium and nitrogen in the melt, so as to reduce the titanium and nitrogen content of the steel to 50 ppm or less, and 60 ppm or less, respectively.
摘要翻译：用于阀弹簧的高强度钢，由0.50-0.70重量％％的碳，1.50-2.50wt。硅的％，0.50-1.20wt。％的锰，1.50-2.50wt。镍的百分比，0.50-1.00重量％％的铬，0.20-0.50wt。钼的比例为0.15-0.25wt。％的钒，余量为铁，不可避免地含有夹杂物。还公开了一种制造这种高强度钢的方法，其包括使钢的熔体中的氧最小化的步骤，从而将钢的氧含量降低至15ppm以下，并且添加钙从而控制夹杂物的形状。该方法还可以包括使熔体中的钛和氮最小化的步骤，以将钢的钛和氮含量分别降低至50ppm或更低，并且分别降低至60ppm或更低。

3. 发明授权

US5372499A High-temperature gas blower impeller with vanes made of dispersion-strengthened alloy, gas blower using such impeller, and gas circulating furnace equipped with such gas blower 失效
标题翻译：具有由分散强化合金制成的叶片的高温鼓风机叶轮，使用这种叶轮的鼓风机，以及配备这种鼓风机的气体循环炉
公开(公告)号：US5372499A
公开(公告)日：1994-12-13
申请号：US110949
申请日：1993-08-24
申请人： Yoshitada Motomura , Hiroshi Tawara , Kenji Tsukuta , Tomohito Iikubo
发明人： Yoshitada Motomura , Hiroshi Tawara , Kenji Tsukuta , Tomohito Iikubo
IPC分类号： F04D29/02 , B22F1/00 , B22F3/20 , C22C19/05 , C22C32/00 , F04D29/30 , F27D7/04 , F27B3/22
CPC分类号： C22C32/0026 , F27D7/04 , F27D2007/045
摘要： An impeller for a high-temperature gas blower suitable for a floating conveyor furnace, having vanes each formed of a dispersion-strengthened alloy which includes as a disperse or internal phase 0.1-2.0% by weight of finely divided particles of an oxide of a high melting-point metal, such as Y.sub.2 O.sub.3, Ce.sub.2 O.sub.3, ZrO.sub.2, Al.sub.2 O.sub.3 and Cd.sub.2 O.sub.3, preferably dispersed in an austenite matrix or external phase of Cr, Fe, Al, Ti and Ni. A gas blower having such impeller, and a furnace using such gas blower are also disclosed.
摘要翻译：一种用于适用于浮式输送炉的高温气体鼓风机的叶轮，具有由分散强化合金形成的叶片，该分散强化合金包含作为分散或内相0.1-2.0重量％的细分散的高分子氧化物颗粒熔点金属如Y2O3，Ce2O3，ZrO2，Al2O3和Cd2O3，优选分散在奥氏体基体或Cr，Fe，Al，Ti和Ni的外相中。还公开了具有这种叶轮的鼓风机和使用这种鼓风机的炉。

4. 发明授权

US5330710A Nickel-base alloy for glass-contracting member used in unenergized state 失效
标题翻译：用于未充电状态的玻璃收缩构件的镍基合金
公开(公告)号：US5330710A
公开(公告)日：1994-07-19
申请号：US838207
申请日：1992-03-06
申请人： Toshio Masaki , Noriaki Sasaki , Shin-ichiro Torata , Hiroshi Igarashi , Tetsuya Shimizu , Tomohito Iikubo
发明人： Toshio Masaki , Noriaki Sasaki , Shin-ichiro Torata , Hiroshi Igarashi , Tetsuya Shimizu , Tomohito Iikubo
IPC分类号： C03B5/167 , C03B9/48 , C22C19/05 , C22C30/00 , H05B3/03 , C22C19/03
CPC分类号： H05B3/03 , C03B5/1672 , C03B9/48 , C22C19/058 , C22C30/00 , Y02P40/57
摘要： A nickel-base alloy for a glass-contacting member used in an unenergized state and having a composition comprising by weight 25 to 40% of chromium, 10 to 45% of cobalt, optionally 0.1 to 3.0% of titanium and optionally 0.01 to 0.05% of at least one element selected from among rare earth metals with the balance consisting of nickel and unavoidable impurities.
摘要翻译： PCT No.PCT / JP90 / 00879 Sec。 371日期：1992年3月6日 102（e）1992年3月6日PCT PCT 1990年7月9日PCT公布。出版物WO92 / 01076 日本1992年1月23日。一种用于未致电状态的玻璃接触部件的镍基合金，其组成包含25〜40重量％的铬，10〜45重量％的钴，或0.1〜3.0重量％钛和任选的0.01至0.05％的至少一种选自稀土金属的元素，余量由镍和不可避免的杂质组成。

5. 发明授权

US5180446A Oxide-dispersion-strengthened niobum-based alloys and process for preparing 失效
标题翻译：氧化物分散强化的基于合金的合金及其制备方法
公开(公告)号：US5180446A
公开(公告)日：1993-01-19
申请号：US826425
申请日：1992-01-27
申请人： Kenji Tsukuta , Tomohito Iikubo
发明人： Kenji Tsukuta , Tomohito Iikubo
IPC分类号： C22C27/02 , C22C32/00 , C22F1/00 , C22F1/18
CPC分类号： C22C27/02 , C22C32/0031
摘要： Improvement of Nb-alloys, which are known as heat-resistant alloys, by giving anti-oxidation property thereto and increasing the high temperature strength thereof. In addition to a determined amount of Al, one of (1) suitable amounts of Ti, Cr and V, and (2) suitable amounts of Cr and Co, are added to Nb-matrix, and a high melting temperature metal oxide such as Y.sub.2 O.sub.3 or Al.sub.2 O.sub.3 is dispersed in the matrix. Preferable method of preparing the alloys is combination of mechanical alloying and subsequent hot processing.

6. 发明授权

US4927601A Heat resisting bearing steel 失效
标题翻译：耐热轴承钢
公开(公告)号：US4927601A
公开(公告)日：1990-05-22
申请号：US240658
申请日：1988-09-06
申请人： Tomohito Iikubo , Yutaka Kurebayashi
发明人： Tomohito Iikubo , Yutaka Kurebayashi
IPC分类号： C22C38/00 , C22C38/22 , C22C38/24 , F16C33/30
CPC分类号： C22C38/22 , C22C38/24 , F16C33/30 , Y10S148/906
摘要： A heat resisting bearing steel having improved rolling fatigue life is disclosed. This steel consists essentially of 0.6-0.9% C, up to 0.5% Si, up to 0.5% Mn, 3.0-5.5% Cr, 3.0-5.0% Mo and 0.5-1.5% V, and the balance being Fe and inevitable impurities, and is characterized in that the content of large Al.sub.2 O.sub.3 inclusions with 10 micron or larger length is restricted to 1.5 ppm or less.The rolling fatigue life of this steel is long and fluctuation of the life is small, and therefore, the steel is highly reliable. It is suitable for the material of bearing to be used at a high peripheral speed and a high temperature such as the main rotational bearings of a heat engine such as a gas turbine.
摘要翻译：公开了一种具有改善的滚动疲劳寿命的耐热轴承钢。该钢基本上由0.6-0.9％C，至多0.5％Si，至多0.5％Mn，3.0-5.5％Cr，3.0-5.0％Mo和0.5-1.5％V组成，余量为Fe和不可避免的杂质，其特征在于，具有10微米或更大长度的大Al 2 O 3夹杂物的含量被限制在1.5ppm以下。该钢的滚动疲劳寿命长，寿命波动小，因此钢的可靠性高。适用于高周速，高温的轴承用材料，例如燃气轮机等发动机的主旋转轴承。

7. 发明授权

US5226980A Skid rail alloy 失效
标题翻译：滑轨合金
公开(公告)号：US5226980A
公开(公告)日：1993-07-13
申请号：US865742
申请日：1992-04-08
申请人： Kenji Tsukuta , Tomohito Iikubo
发明人： Kenji Tsukuta , Tomohito Iikubo
IPC分类号： C22C32/00 , F27D3/02
CPC分类号： F27D3/024 , C22C32/0026
摘要： A novel oxide-dispersion strengthened type heat-resistant alloy is provided for use of preparing furnace members such as a skid rail. The alloy consists essentially of up to about 0.2% C+N, up to about 2.0% Si, up to about 2.0% Mn, about 15 to 35% Ni and about 0.2 to 4% Ta, and the balance of Fe, and contains about 0.1-2% of fine particles of high melting point metal oxide such as Y.sub.2 O.sub.3 dispersed in the austenite matrix.The alloy exhibits excellent properties of anti-hot deformation, oxidation resistance, abrasion resistance and thermal shock resistance.
摘要翻译：提供了一种新型氧化物分散强化型耐热合金，用于制备诸如滑轨之类的炉构件。该合金基本上由高达约0.2％的C + N，至多约2.0％的Si，至多约2.0％的Mn，约15至35％的Ni和约0.2至4％的Ta组成，余量为Fe，并含有约0.1-2％的高熔点金属氧化物如Y2O3分散在奥氏体基质中的细颗粒。该合金表现出优异的抗热变形性，抗氧化性，耐磨性和耐热冲击性。

8. 发明授权

US5196162A Ti-Al type lightweight heat-resistant materials containing Nb, Cr and Si 失效
标题翻译：含有Nb，Cr和Si的Ti-Al型轻质耐热材料
公开(公告)号：US5196162A
公开(公告)日：1993-03-23
申请号：US747824
申请日：1991-08-21
申请人： Kunio Maki , Mamoru Sayashi , Susumu Isobe , Tomohito Iikubo , Toshiharu Noda
发明人： Kunio Maki , Mamoru Sayashi , Susumu Isobe , Tomohito Iikubo , Toshiharu Noda
IPC分类号： C22C14/00
CPC分类号： C22C14/00
摘要： A Ti-Al type lightweight heat-resistant consists essentially of 32 to 36% w of Al, 0.1 to 2.0% w of Si, 0.1 to 5.0% w of Nb, 0.1 to 3.0% w of Cr, and optionally 0.005 to 0.200% w of B, the balance being substantially Ti. The alloy has improved oxidation resistance together with excellent ductility and strength at room temperature and high temperature.
摘要翻译： Ti-Al型轻质耐热基本上由Al的32〜36％，Si的0.1〜2.0％，Nb的0.1〜5.0％，Cr的0.1〜3.0％，以及0.005〜0.200％ W的B，余量基本上是Ti。该合金在室温和高温下具有改善的抗氧化性以及优异的延展性和强度。

9. 发明授权

US4810287A Process for producing steel for valve springs 失效
标题翻译：阀门弹簧钢生产工艺
公开(公告)号：US4810287A
公开(公告)日：1989-03-07
申请号：US201458
申请日：1988-06-02
申请人： Tsutomu Saka , Tomohito Iikubo , Yukio Ito
发明人： Tsutomu Saka , Tomohito Iikubo , Yukio Ito
IPC分类号： C21C7/00 , C21C7/04 , C21C7/06 , C22C38/00 , C22C38/44 , C22C38/46 , C21C7/10
CPC分类号： C22C38/46 , C22C38/44 , Y10S148/908
摘要： A high-strength steel for valve springs, consisting of 0.50-0.70 wt. % of carbon, 1.50-2.50 wt. % of silicon, 0.50-1.20 wt. % of manganese, 1.50-2.50 wt. % of nickel, 0.50-1.00 wt. % of chromium, 0.20-0.50 wt. % of molybdenum, 0.15-0.25 wt. % of vanadium, and the balance being iron and inevitably included inclusions. Also disclosed is a process for producing such a high-strength steel, which includes a step of minimizing oxygen in a melt of the steel, so as to reduce the oxygen content of the steel to 15 ppm or less, and a step of adding calcium to the melt and thereby controlling the form of the inclusions. The process may further includes a step of minimizing titanium and nitrogen in the melt, so as to reduce the titanium and nitrogen content of the steel to 50 ppm or less, and 60 ppm or less, respectively.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式