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11. 发明授权

US4911112A Valve operating system for internal combustion engines 失效
标题翻译：内燃机阀门操作系统
公开(公告)号：US4911112A
公开(公告)日：1990-03-27
申请号：US290171
申请日：1988-12-27
申请人： Toshihiro Oikawa , Noriyuki Yamada , Toshiki Kobayashi , Tsuneo Tanai , Tsutomu Saka
发明人： Toshihiro Oikawa , Noriyuki Yamada , Toshiki Kobayashi , Tsuneo Tanai , Tsutomu Saka
IPC分类号： F01L1/26
CPC分类号： F01L1/267
摘要： A valve operating system for internal combustion engines comprises a free cam follower which is disposed between first and second drive cam followers operatively connected to engine valves and which is capable of becoming free relative to the engine valves, first and second guide holes respectively provided in the first and second drive cam followers with their axes corresponding to each other. The guide holes is opened to the free cam follower. A double open-ended guide hole is provided in the free cam follower in correspondence to the axes of the first and second guide holes. A first change-over pin is axially slidably received in the first guide hole and adapted to be fitted into the guide hole, and a second change-over pin is axially slidably received in said guide hole with one end thereof abutting against the first change-over pin, and is adapted to be fitted into said second guide hole. A restricting pin is axially slidably received in said second guide hole while being spring-biased toward said second change-over pin, with one end thereof abutting against the other end of said second change-over pin. This construction ensures that fitting of the first change-over pin into the guide hole as well as fitting of the second change-over pin into the second guide hole can be reliably performed.

12. 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。

13. 发明授权

US5952590A Sintered alloy having superb wear resistance and process for producing the same 失效
标题翻译：具有优良耐磨性的烧结合金及其制造方法
公开(公告)号：US5952590A
公开(公告)日：1999-09-14
申请号：US16039
申请日：1998-01-30
申请人： Hideaki Kawata , Koichiro Hayashi , Katsuaki Sato , Tsutomu Saka
发明人： Hideaki Kawata , Koichiro Hayashi , Katsuaki Sato , Tsutomu Saka
IPC分类号： B22F5/00 , C22C33/02 , C22C38/00 , C22C38/44 , C22C38/52 , C22C38/54 , C22C38/60 , C22C33/00
CPC分类号： C22C33/0228 , C22C33/0207 , C22C38/44 , C22C38/52 , B22F2998/10
摘要： A sintered alloy having superb wear resistance consisting, percent by weight of, as a whole, Ni in the amount of 1.35 to 19.61%, Cr in the amount of 0.9 to 11.05%, Mo in the amount of 1.44 to 9.09%, Co in the amount of 3.6 to 20.05%, V in the amount of 0.018 to 0.26%, Si in the amount of 0.1 to 0.75%, C in the amount of 0.35 to 1.5%, and the balance of Fe, and the sintered alloy exhibiting a metallographic structure in which the following hard phases are dispersed in a mixed structure of martensite, sorbite, and austenite: a first hard phase comprising, a hard phase as a core mainly consisting of Mo suicide, and a diffused phase including diffused Co surrounding the hard phase; and a second hard phase comprising, a hard phase as a core consisting of Cr carbide, and a mixed phase of ferrite and austenite surrounding the hard phase.
摘要翻译：具有极好的耐磨性的烧结合金，以总重量计为1.35〜19.61％的Ni，Cr为0.9〜11.05％，Mo为1.44〜9.09％，Co为数量为3.6〜20.05％，V为0.018〜0.26％，Si为0.1〜0.75％，C为0.35〜1.5％，余量为Fe，烧结合金为金相组织，其中以下硬相分散在马氏体，索氏体和奥氏体的混合结构中：第一硬质相，包括主要由Mo硅化物组成的硬质相作为核心，以及扩散相，其包围硬化Co 相; 以及第二硬质相，包括由碳化物构成的硬质相作为核心，以及围绕硬质相的铁素体和奥氏体的混合相。

14. 发明授权

US5779972A Heat resisting alloys, exhaust valves and knit meshes for catalyzer for exhaust gas 失效
标题翻译：用于废气催化剂的耐热合金，排气阀和针织网
公开(公告)号：US5779972A
公开(公告)日：1998-07-14
申请号：US832675
申请日：1997-04-09
申请人： Toshiharu Noda , Michio Okabe , Katsuaki Sato , Tsutomu Saka
发明人： Toshiharu Noda , Michio Okabe , Katsuaki Sato , Tsutomu Saka
IPC分类号： F01L3/02 , B01D53/86 , B01J27/24 , C22C30/00 , C22C38/00 , C22C38/58 , C22C38/48
CPC分类号： C22C30/00
摘要： A heat resisting alloy of Fe--Cr--Ni type for exhaust valves, knit meshes for the catalyzer and the like which is low in price and excellent in high temperature properties, which consists essentially by weight percentage of C:0.01.about.0.10%, S:.ltoreq.2.0%, Mn .ltoreq.2.0%, Cr:14.about.18%, Nb+Ta:0.5.about.1.5%, Ti:2.0.about.3.0%, Al:0.8.about.1.5%, Ni:30.about.35%,B:0.001.about.0.01%, Ca+Mg:0.001.about.0.01%,Cu.ltoreq.0.5%, P.ltoreq.0.02%, S.ltoreq.0.01%, O.ltoreq.0.01%, N.ltoreq.0.01%, and the balance of Fe, additionally the total atomic percentage of Al, Ti, Nb and Ta:5.0.about.7.0%, and atomic percentage ratio of Ti/Al:1.0.about.1.5, and M-value calculated from the following equation .ltoreq.0.95; M=�0.717 Ni(at. %)+0.858 Fe(at. %)+1.142 Cr(at. %)+1.90 Al(at. %)+2.271 Ti(at. %)+2.117 Nb(at. %)+2.224 Ta(at. %)+1.001 Mn(at. %)+1.90 Si(at. %)!/100.
摘要翻译：用于排气门的Fe-Cr-Ni型耐热合金，催化剂用针织物等，价格低廉，耐高温性能优异，主要由重量百分比C：0.01差0.10％，S ：2.0％，Mn <2.0％，Cr：14差异18％，Nb + Ta：0.5差异1.5％，Ti：2.0差异3.0％，Al：0.8差异1.5％，Ni：30差异35％，B：0.001差异0.01％，Ca + Mg：0.001差异0.01％，Cu

15. 发明授权

US5660938A Fe-Ni-Cr-base superalloy, engine valve and knitted mesh supporter for exhaust gas catalyzer 失效
标题翻译： Fe-Ni-Cr基超级合金，发动机阀门和排气催化器的针织网支撑
公开(公告)号：US5660938A
公开(公告)日：1997-08-26
申请号：US623026
申请日：1996-03-28
申请人： Koji Sato , Takehiro Ohno , Katsuaki Sato , Tsutomu Saka
发明人： Koji Sato , Takehiro Ohno , Katsuaki Sato , Tsutomu Saka
IPC分类号： C22C30/00 , C22C38/44
CPC分类号： C22C30/00 , Y10T428/12424
摘要： An FE--Ni--Cr-base superalloy consists essentially of, by weight, up to 0.15% C, up to 1.0% Si, up to 3.0% Mn, 30 to 49% Ni, 10 to 18% Cr, 1.6 to 3.0% Al, one or more elements selected from Groups IVa and Va whose amount or total amount is 1.5 to 8.0%, the balance being Fe, optionally, minor amounts of other intentionally added elements, and unavoidable impurities. The optional other elements which can be intentionally added to or omitted from the alloy include Mo, W, Co, B, Mg, Ca, Re, Y and REM. The superalloy is suitable for forming engine valves, knitted mesh supporters for exhaust gas catalyzers and the like, and has excellent high-temperature strength and normal-temperature ductility after long-time heating, as well as sufficient oxidation resistance properties for these uses.
摘要翻译： FE-Ni-Cr基超合金基本上由以重量计至多0.15％C，至多1.0％Si，至多3.0％Mn，30-49％Ni，10-18％Cr，1.6-3.0％ Al，选自组数量或总量为1.5至8.0％的组IVa和Va中的一种或多种元素，余量为Fe，任选地少量其它有意添加的元素和不可避免的杂质。可以有意添加或省略合金的其它元素包括Mo，W，Co，B，Mg，Ca，Re，Y和REM。超合金适用于形成发动机阀，排气催化剂等的针织网支撑体，长时间加热后具有优异的高温强度和常温延展性，以及这些用途的足够的抗氧化性。

16. 发明授权

US5567383A Heat resisting alloys 失效
标题翻译：耐热合金
公开(公告)号：US5567383A
公开(公告)日：1996-10-22
申请号：US471153
申请日：1995-06-06
申请人： Toshiharu Noda , Katsuaki Sato , Tsutomu Saka
发明人： Toshiharu Noda , Katsuaki Sato , Tsutomu Saka
IPC分类号： F01L3/02 , C22C30/00 , C22C38/00 , C22C38/50 , C22C38/58
CPC分类号： C22C30/00
摘要： A heat resisting alloy for use in exhaust valves and the like low in price and excellent in structural stability, high-temperature strength and hot workability, which consists essentially by weight percentage of C: 0.01.about.0.10%, Si.ltoreq.2.0%, Mn.ltoreq.2.0%, Cr: 14.about.20%, Nb+Ta: 0.3.about.1.5%, Ti: 1.5.about.3.5%, Al: 0.5.about.1.5%, Ni+Co: 35.about.45%, B: 0.001.about.0.01%, one or both of Ca: 0.001.about.0.03% and Mg: 0,001.about.0.03%, and the balance of Fe, additionally the total atomic percentage of Al, Ti, Nb, and Ta: 4.5.about.6.0%, an atomic percentage ratio of Ti/Al: 1.0.about.2.0, and M-value obtained through the following equation.ltoreq.0.925;M=0.717 Ni (atomic fraction)+0.858 Fe (atomic fraction)+1.142 Cr (atomic fraction)+1.90 Al (atomic fraction)+2.271 Ti (atomic fraction)+2.117 Nb (atomic fraction)+1.001 Mn (atomic fraction)+1.90 Si (atomic fraction)+0.777 Co (atomic fraction)+2.224 Ta (atomic fraction).
摘要翻译：用于价格低廉，结构稳定性，高温强度和热加工性优异的排气门等的耐热合金，其基本上由C：0.01％0.10％，Si <2.0％的重量百分比组成， Mn≤2.0％，Cr：14差异20％，Nb + Ta：0.3差异1.5％，Ti：1.5差异3.5％，Al：0.5差异1.5％，Ni + Co：35差异45％，B：0.001差 0.01％，Ca：0.001差异0.03％，Mg：0.001差别中的一种或两种，余量为Fe，另外为Al，Ti，Nb和Ta的总原子百分比：4.5分差6.0％，原子百分比 Ti / Al：1.0 DIFFERENCE 2.0的比值和通过以下等式获得的M值

17. 发明授权

US5273570A Secondary hardening type high temperature wear-resistant sintered alloy 失效
标题翻译：二次硬化型高温耐磨烧结合金
公开(公告)号：US5273570A
公开(公告)日：1993-12-28
申请号：US840828
申请日：1992-02-25
申请人： Katsuaki Sato , Katsuhiko Tominaga , Tsutomu Saka , Osamu Kawamura , Teruo Takahashi , Arata Kakiuchi
发明人： Katsuaki Sato , Katsuhiko Tominaga , Tsutomu Saka , Osamu Kawamura , Teruo Takahashi , Arata Kakiuchi
IPC分类号： C22C33/02 , C22C38/00 , C22C38/54 , C22C29/00
CPC分类号： C22C33/0292 , C22C33/0207 , C22C33/0228
摘要： A secondary hardening type high temperature wear-resistant sintered alloy body comprising 0.4 to 15 wt. % of at least one species of metal carbide forming element which is selected from the group consisting of W, Mo, V, Ti, Nb, Ta and B; 5 to 35 wt. % of at least one species of austenite forming element which is selected from the group consisting of Ni, Co, Cu, and Cr; 0.2 to 1.2 wt. % of C; and 0.04 to 0.2 wt % of the remainder consisting essentially of Fe wherein the alloy body contains an austenite phase which is capable of martensitic transformation.
摘要翻译：二次硬化型高温耐磨烧结合金体，其含有0.4〜15重量％选自W，Mo，V，Ti，Nb，Ta和B中的至少一种金属碳化物形成元素的％; 5〜35重量％％的至少一种奥氏体形成元素选自Ni，Co，Cu和Cr; 0.2〜1.2重量％ C％和0.04〜0.2重量％的余量基本上由Fe组成，其中合金体含有能够马氏体转变的奥氏体相。

18. 发明授权

US4928641A Lubricant supplying system for DOHC type multi-cylinder internal combustion engine 失效
标题翻译： DOHC型多缸内燃机润滑油供应系统
公开(公告)号：US4928641A
公开(公告)日：1990-05-29
申请号：US290313
申请日：1988-12-27
申请人： Tomonori Niizato , Tsuneo Tanai , Kazuhiro Kasahara , Tsutomu Saka , Toshihiro Oikawa
发明人： Tomonori Niizato , Tsuneo Tanai , Kazuhiro Kasahara , Tsutomu Saka , Toshihiro Oikawa
IPC分类号： F01L1/053 , F01L1/26 , F01L13/00 , F01M1/16 , F01M9/10
CPC分类号： F01L1/267 , F01L1/053 , F01L13/00 , F01M1/16 , F01M9/10 , F01M9/101 , F01M9/102 , F01M9/108 , F02B2275/18
摘要： A lubricant supplying system for a DOHC type multicylinder internal combustion engine comprising a plurality of cylinders arranged in series in a cylinder block, a pair of cam shafts parallel to each other and rotatably supported by a cylinder head and cam holders fixed to the cylinder head at opposite sides of the respective cylinders along the cylinder arranging direction, a plurality of cams including low speed cams corresponding to intake and exhaust valves of the respective cylinders and fixed to the cam shafts, a plurality of rocker arms in slidable contact with the respective cams corresponding to the intake and exhaust valves of the respective cylinders, and a connection switching mechanism for switching connection and disconnection of the rocker arms in response to a hydraulic pressure to vary the operating states of the valves responsive to the operating state of the engine, wherein a hydraulic pressure supply passage independent from an oil supply passage for supplying a hydraulic pressure to the connection switching mechanism is provided in the cylinder head substantially at its center portion along the cylinder arranging direction so as to extend vertically, and a branch oil passage is provided to have intake and exhaust side portions disposed in one cam holder of substantially center location along the cylinder arranging direction for communicating with the upper end of the hydraulic pressure supply passage to supply oil to the slidably contacting portions of low speed cams of the respectively cylinders at both intake and exhaust sides with the rocker arms and the cam journal portions of the cam shafts.

19. 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.

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