| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Scroll compressor having grooved thrust bearing | US11892257 | 2007-08-21 | US07878777B2 | 2011-02-01 | Shigeki Iwanami; Sanemasa Kawabata; Tadashi Hotta |
| A scroll compressor is disclosed. A plurality of grooves (85) communicating with each other are formed on a sliding surface of a thrust bearing (53) subjected to the axial force received by a movable scroll (32). The areas surrounded by the plurality of the grooves (85) make up a plurality of insular pressure receiving portions (83) independent of each other. The pressure receiving portions (83) represent at least one half of the area of the sliding surface. | ||||||
| 122 | Methods for hardening pump casings | US11383241 | 2006-05-15 | US07793416B2 | 2010-09-14 | William Vogel |
| A method for manufacturing a hardened casing for a vane pump is disclosed. The method includes providing a vane pump casing; hardening the casing by (i) cleaning the casing with a high pressure fluid containing abrasive material, (ii) loading the casing in a furnace, (iii) purging the furnace with an inert gas followed by purging the furnace with ammonia, (iv) conducting a first heating of the casing in the furnace at a first temperature of about 1200° F. for a time period of about 4 hours, (v) conducting a second heating of the casing in the furnace at a second temperature of about 1000° F. for a time period of about 4 hours, and (vi) cooling the casing and purging the furnace with an inert gas before removing the casing. | ||||||
| 123 | Sliding member | US11631837 | 2005-08-23 | US07713610B2 | 2010-05-11 | Hiroshi Kanemitsu; Masaharu Hatta |
| A sliding member includes convex portions are formed by directly quenching a sliding surface of a sliding member in a line shape or a dot shape, and concave portions are formed in indirectly quenched portions adjacent to the directly quenched portions. An irregular surface is formed on the sliding surface by the directly quenched portions and the indirectly quenched portions. The directly quenched portions are formed in a lattice shape, a parallel straight line shape, a concentric circle shape or a spiral shape. With the irregular surface on the sliding surface by the directly quenched portions and the indirectly quenched portions, the seizure resistance can be improved. | ||||||
| 124 | Surface Treatments for Turbine Components to Reduce Particle Accumulation During Use Thereof | US12244918 | 2008-10-03 | US20100086397A1 | 2010-04-08 | Kripa Kiran Varanasi; Nitin Bhate; Michael David Carroll; Farshad Ghasripoor; Ambarish Jayant Kulkarni; Larry Steven Rosenzweig; Jerry Donald Schell; Dalong Zhong |
| A turbine engine component includes at least one treated surface wherein the treated surface has a surface roughness (Ra) of less than 12 microinches; and a hard coating disposed on the superfinished surface, wherein the hard coating is a nitride and/or a carbide material at a thickness of less than 50 microns formed using electron beam physical vapor deposition, cathodic arc evaporation, or magnetron sputtering. disclosed are methods for substantially preventing micropitting on a surface of a turbine engine component. | ||||||
| 125 | COMPRESSOR SLIDER, SLIDER PREFORM, SCROLL PART, AND COMPRESSOR | US12280927 | 2007-02-26 | US20100061871A1 | 2010-03-11 | Mie Arai; Hiroyuki Yamaji; Mitsuhiko Kishikawa; Satoshi Yamamoto; Mikio Kajiwara; Takashi Hirouchi; Yasuhiro Murakami; Masanori Masuda; Kazuhiro Furusho |
| A compressor slider has a carbon content of 2.0 wt % to 2.7 wt %, a silicon content of 1.0 wt % to 3.0 wt %, a balance of iron that includes unavoidable impurities, graphite that is smaller than the flake graphite of flake graphite cast iron, and a hardness that is greater than HRB 90 but less than HRB 100 in at least a portion of the slider. | ||||||
| 126 | Vane Pump | US12211856 | 2008-09-17 | US20090136374A1 | 2009-05-28 | Yoshihiro Tsukahara; Tomohiro Tanaka |
| Provided is a vane pump. In the vane pump, a high-hardness main coating layer is provided on a distal end portion of each vane, and an intermediate coating layer having an intermediate hardness between a hardness of a base material of the vane and a hardness of the main coating layer is provided between the base material of the vane and the main coating layer. | ||||||
| 127 | Cladded axial motor/pump piston and method of producing same | US11635638 | 2006-12-08 | US07428862B2 | 2008-09-30 | Richard Rateick, Jr. |
| A method of producing a piston that involves providing a piston body formed of a first material, the piston body having a cylindrical portion having a diameter, a rounded end, and a neck connecting the rounded end to the cylindrical portion and having a diameter less than the diameter of the piston body, cladding a portion of the cylindrical portion with a first tool steel layer, cladding a portion of the rounded end with a second tool steel layer spaced from the first tool steel layer, heat treating the piston body and nitriding the first and second tool steel layers. Also a piston (10) having first (18) and second (22) nitrided, tool steel clad portions. | ||||||
| 128 | Compressor | US11808843 | 2007-06-13 | US20070243092A1 | 2007-10-18 | Takahiro Nishikawa; Hirotsugu Ogasawara; Takao Kanayama; Yoshiaki Hiruma; Manabu Takenaka; Masazumi Sakaniwa; Akira Hashimoto; Junichi Suzuki |
| An object is to provide a highly efficient compressor while improving a refrigerant leakage, enhancing a performance of a compressor, improving durability, and enhancing reliability. The compressor comprises: a compression element comprising a cylinder in which a compression space is constituted; a suction port and a discharge port which communicate with the compression space in the cylinder; a support member which closes an opening of the cylinder; a rotary shaft which is rotatably supported by a main bearing as a bearing formed on the support member; a compression member whose one surface crossing an axial direction of the rotary shaft is inclined continuously between a top dead center and a bottom dead center and which is disposed in the cylinder to be rotated by the rotary shaft and which compresses a fluid sucked from the suction port to discharge the fluid via the discharge port; a vane which is disposed between the suction port and the discharge port to abut on one surface of the compression member and which partitions the compression space in the cylinder into a low pressure chamber and a high pressure chamber; and a shaft seal which is disposed on an end portion of the bearing (main bearing) on a side opposite to the compression member and which abuts on the rotary shaft. | ||||||
| 129 | Vane Rotary Type Air Pump | US11578053 | 2005-07-27 | US20070217937A1 | 2007-09-20 | Kiyoshi Sawai; Atsushi Sakuda; Tatsuya Nakamoto; Noboru Iida; Ryuichi Ohno |
| It is an object of the present invention to provide a vane rotary type air pump in which a pump mechanism and a drive motor are directly connected to each other and low noise is realized. In the vane rotary type air pump in which a cylinder 103, a rotor 110 and a vane 112 are sandwiched between a front plate (not shown) and a rear plate (not shown), an opened end 111b of the vane groove 111 is provided in a reversed rotation direction region of the rotor 110 with respect to straight line connecting a center O of the rotor 110 and the closed end 111a of the vane groove 111. That is, a “stroke” type vane disposition is employed. With this noise of the air pump is reduced. | ||||||
| 130 | Screw machine | US10307766 | 2002-12-02 | US07153111B2 | 2006-12-26 | Raymond DeBlois, deceased |
| A screw machine (10) has a rotor housing (12) defining overlapping bores (12-1, 12-2). Female rotor (14) is located in bore (12-1) and male rotor (16) is located in bore (12-2). A wear resistant coating is deposited on the tips (14-1, 16-1) of the rotors. A conformable coating is deposited on the valleys (14-2, 16-2) of the rotors. A conformable coating is depsoited on the surface of the bores coacting with the rotors. | ||||||
| 131 | Cylinder block and method for manufacturing the same | US11105407 | 2005-04-14 | US20050235944A1 | 2005-10-27 | Hirofumi Michioka |
| A cylinder block has a metal film on an inner circumferential surface of each cylinder. The film is constituted by a first sprayed layer formed on the inner circumferential surface of the cylinder and a second sprayed layer formed on the inner circumferential surface of the first sprayed layer. The hardness of the second sprayed layer is lower than the hardness of the first sprayed layer. It is preferred that the second sprayed layer have a Vickers hardness of 50 to 200. It is preferred that the first sprayed layer have a Vickers hardness of not less than 350. It is preferred that the first sprayed layer have a thickness of 400 μm to 500 μm. A method of manufacturing a cylinder block includes the step of casting a cylinder block, which involves casting the cylinder in the cylinder block, the step of forming the first sprayed layer on the inner circumferential surface of the cylinder, and the step of forming the second sprayed layer on the inner circumferential surface of the first sprayed layer. | ||||||
| 132 | Forged flange cylinder liner and method of manufacture | US10788938 | 2004-02-27 | US20050188738A1 | 2005-09-01 | George Rauscher; Charlie Mauldin; Laurie Hill |
| A cylinder liner is formed from a cylinder liner blank which includes a cylinder liner body having cylindrical sidewalls which define an internal diameter, an external diameter and a cylindrical lower extent. The cylinder liner blank is formed from a class of carbon alloy steels. A manufacturing method is shown for providing the cylinder liner blank with a flanged region at an upper extent of the cylindrical body by utilizing a cold forging process. | ||||||
| 133 | Capacity control valve | US10911557 | 2004-08-05 | US20050035321A1 | 2005-02-17 | Norio Uemura; Toshiaki Iwa; Katsuya Shirai; Keigo Shirafuji; Yukihiko Taguchi |
| An object of the present invention is to improve an anti-abrasive property of an operating rod by using a surface hardening heat treatment without a post finishing process and to enhance a response of the operating rod by preventing powders from being attracted to a sliding surface of the operating rod. Another object is to decrease a machining cost of the operating rod. The capacitive control valve is comprised of a solenoid rod portion communicating with a moveable core of the solenoid portion, an operating rod connected with the solenoid rod portion, a valve body defined in the operating rod and opening or closing a control fluid passage hole and a fixed core oppositely arranged relative to the moveable core, the fixed core retaining a guide hole, the guide hole guiding the operating rod in freely moveable a manner which longitudinally extends through an internal bore wherein the operating rod is processed at no more than 500° C. by a low temperature surface hardening treatment. | ||||||
| 134 | Heat treatment methods for sliding bearings made of age-hardened aluminum materials | US10053581 | 2002-01-24 | US06648992B2 | 2003-11-18 | Naoki Jingu |
| A heat treatment method for sliding bearings made of age-hardened aluminum materials includes an aluminum material that is artificially age-hardened for a time that is less than the time specified for reaching a maximum hardness, and a coating of a thermoplastic resin, or a solid lubrication material including a thermoplastic resin as a binder. The coating is placed on a surface of the aluminum material and is calcined. | ||||||
| 135 | Pump, pump components and method | US10097369 | 2002-03-14 | US06622706B2 | 2003-09-23 | Robert H. Breeden |
| A pump, pump components and method for pumping high pressure fluid with an unobstructed inlet passage during return strokes of the piston and an improved near spherical interface between a piston and a slipper. | ||||||
| 136 | Screw machine | US09607764 | 2000-06-30 | US06506037B1 | 2003-01-14 | James W. Bush; Clark V. Cooper; Ronald T. Drost; Hong Du; Harry E. Eaton; Hussein E. Khalifa; Keshava B. Kumar; Reng Rong Lin; Philip H. McCluskey; Raymond DeBlois |
| A screw machine (10) has a rotor housing (12) defining overlapping bores (12-1, 12-2). Female rotor (14) is located in bore (12-1) and male rotor (16) is located in bore (12-2). A wear resistant coating is deposited on the tips (14-1, 16-1) of the rotors. A conformable coating is deposited on the valleys (14-2, 16-2) of the rotors. A conformable coating is depsoited on the surface of the bores coacting with the rotors. | ||||||
| 137 | Pump, pump components and method | US10097369 | 2002-03-14 | US20020096146A1 | 2002-07-25 | Robert H. Breeden |
| A pump, pump components and method for pumping high pressure fluid with an unobstructed inlet passage during return strokes of the piston and an improved near spherical interface between a piston and a slipper. | ||||||
| 138 | Pump assembly | US09644339 | 2000-08-23 | US06390072B1 | 2002-05-21 | Robert H. Breeden |
| A pump assembly flows pressurized engine oil to HEUI fuel injectors in a diesel engine. The assembly includes an inlet throttle valve which controls the volume of oil flowed to the pump dependent upon the difference between the pump outlet pressure and a desired outlet pressure determined by an electronic control module for the diesel engine. The assembly also includes a crank shaft with an interior drain passage. | ||||||
| 139 | Oil pump | US09769463 | 2001-01-26 | US20010016173A1 | 2001-08-23 | Kenichi Watanabe; Keizo Harada; Koichi Sogabe; Toshiyuki Kosuge |
| An oil pump that can be reduced in weight and is excellent in wear resistance and easy to manufacture is provided. The oil pump includes an oil pump housing formed of aluminum alloy, and an inner rotor and an outer rotor that slide along the oil pump housing with contact kept therebetween to suck and discharge oil. Composite layers including porous metallic bodies are arranged at parts of the oil pump housing that contact the inner rotor and the outer rotor. Pores of the porous metallic bodies are impregnated with the aluminum alloy constituting the oil pump housing. | ||||||
| 140 | Variable displacement compressor | US09226037 | 1999-01-04 | US06186048B1 | 2001-02-13 | Kazuya Kimura; Hiroaki Kayukawa; Suguru Hirota; Keiichi Kato |
| A variable displacement compressor includes a rotor, which is fixed to a drive shaft, and a pivotal swash plate, which is supported on the drive shaft and slides in an axial direction along the drive shaft. A hinge mechanism is located between the rotor and the swash plate. The hinge mechanism rotates the swash plate integrally with the rotor and guides the pivoting and the sliding motion of the swash plate. The hinge mechanism includes a swing arm, which extends from the swash plate. The swash plate is made of aluminum or aluminum alloy material. The swing arm is separate from the swash plate and is made of iron-based metal material. Therefore, while the swash plate is light, the hinge mechanism is strong. | ||||||
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