序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
61 Multiple elastomer layer progressing cavity stators US11034075 2005-01-12 US20060153724A1 2006-07-13 Majid Delpassand
A progressing cavity stator and a method for fabricating such a stator are disclosed. The progressing cavity stator includes first and second elastomer layers fabricated from corresponding first and second elastomer materials. The first and second elastomer materials are selected to have at least one distinct material property. Exemplary embodiments of this invention may reduce tradeoffs associated with elastomer material selection and may further address the heat build up and subsequent elastomer breakdown in the lobes of prior art stators.
62 Orbiting vane compressor US11111862 2005-04-22 US20060073053A1 2006-04-06 Seon-woong Hwang; Dong-won Yoo
Disclosed herein is an orbiting vane compressor having two compression chambers formed in a cylinder according to an orbiting movement of an orbiting vane. The orbiting vane compressor comprises a shell having an inlet tube and an outlet tube, the shell being hermetically sealed such that refrigerant gas is introduced through the inlet tube and is then discharged through the outlet tube, a rotary shaft disposed in the shell while being supported by upper and lower flanges, the rotary shaft being rotated by a drive unit, and a compression unit for compressing refrigerant gas introduced into a cylinder according to an orbiting movement of an orbiting vane, which is attached to the rotary shaft, and discharging the compressed refrigerant gas to the lower part of the cylinder.
63 Compressor-use helical blade and production method therefor, and compressor using this blade US10471024 2003-11-07 US20040086411A1 2004-05-06 Satoshi Oyama; Tetsuo Fukuda; Takahiro Nishikawa; Noriyuki Akane; Yoshiki Myojo; Kiyotaka Miyagai
The present invention provides a PFA resin helical blade for use in a compressor, which is superior in dimensional precision and surface smoothness with a superior anti-fatigue property, and a manufacturing method thereof. In a manufacturing method of a compressor-use helical blade of the present invention, a PFA composite resin, which is formed by mixing an inorganic filler with a tetrafluoroethylene/perfluoroalkylvinyl ether copolymer (PFA resin) having a nullCH2OH terminal group, which has not been subjected to a stabilizing process, and has fluidity of not ness than 15 g/10 min, is used, and after the resin has been molded into a helical blade through an injection-molding process, the resulting matter is subjected to a heating process at a temperature from 280 to 300null C. for a period from not less than 10 hours to not more than 300 hours. The compressor-use helical blade, made of the PFA composite resin by using the above-mentioned method, is allowed to have an increased molecular weight of not more than 10 g/10 min represented as an MFR (melt flow rate) value.
64 Oldham ring of scroll type compressor US945568 1992-09-16 US5275543A 1994-01-04 Tadashi Tanaka; Masaaki Sakamoto; Toshio Egami; Izumi Maruyama; Yoshiaki Sato
An Oldham ring of a scroll type compressor having a swivel scroll of aluminum alloy. The Oldham ring is of cast aluminum alloy and has a pair of projections (a) serving to engage with a pair of guide grooves formed in a surface of the swivel scroll adjacent to a crankshaft. Sliding surfaces of the projections which are to be brought into contact with inner surfaces of the guide grooves are each covered with a metal sheet made of a metal which is different from aluminum and aluminum alloys. It is recommended that the metal sheet has the following thickness (t): t=0.5-2.5 mm, T/20.ltoreq.t.ltoreq.T/4 (where, T represents the widthwise dimension of the projection in the circumferential direction of the Oldham ring). The metal sheet is united with the Oldham ring by insert casting.
65 SCROLL COMPRESSOR FOR A VEHICLE AIR-CONDITIONING SYSTEM US15954178 2018-04-16 US20180335031A1 2018-11-22 Bernd Guntermann; Kadir Dursun; Laura Arriazu
A scroll compressor for a motor vehicle air-conditioning system includes a compressor housing, two interleaving spirals within the compressor housing, of which one spiral is stationary and the other spiral is movable eccentrically on a circular orbit, whereby the volume of compression chambers formed between the spirals changes cyclically and refrigerant is suctioned in and compressed; at least one refrigerant outlet port for ejecting the compressed refrigerant in a wall, frontal to the spirals, of the compressor housing in the center of the stationary spiral, wherein in the spiral end region on the inner end of at least one of the two spirals the concave side of the spiral wall is provided with a cut that has the form of a cone segment with concave curvature, decreasing from the upper end in the direction toward the lower end of the spiral wall.
66 Compressor and method for assembling a compressor US14675903 2015-04-01 US10036374B2 2018-07-31 Kyeongweon Lee; Sunghyun Ki; Junghae Kim
A compressor and a method for assembling a compressor are provided. The compressor may include a compressor casing coupled to each of a suction inlet, into which a refrigerant may be introduced, and a discharge outlet, through which the refrigerant may be discharged, a compressor body mounted inside the compressor casing to compress the refrigerant suctioned in through the suction inlet, and then discharge the refrigerant through the discharge outlet, a noise reducing member disposed between the compressor body and the compressor casing, and at least one fixing member mounted inside the compressor casing to fix the noise reducing member to an inner wall of the compressor casing.
67 MOTOR VEHICLE VACUUM PUMP HAVING AN ADHESIVE US15303113 2015-02-20 US20170037851A1 2017-02-09 Freddy Schonwald; Benjamin Pyrdock; Jurgen Jakubowski; Daniel Ziehr; Carsten Sczesny
The invention relates to a motor vehicle vacuum pump having a pump housing surface, on which a noise absorption cap is mounted, said cap defining a noise damping volume.
68 TRANSVERSE INTERNAL GEAR PUMP US15117274 2015-01-30 US20160348675A1 2016-12-01 Takuya ISHII; Kei HATTORI
Provided is a transverse internal gear pump that can be manufactured at low cost, and also has a high safety factor in terms of functionality. This transverse internal gear pump 1 has a trochoid 4, in which an inner rotor 3 having a plurality of outer teeth is rotatably accommodated within an outer rotor 2 having a plurality of inner teeth, the inner rotor being rotatably accommodated within the outer rotor in an eccentric state and with the outer teeth and the inner teeth meshing, and in which an intake-side volume chamber for taking in a liquid and an ejection-side volume chamber for ejecting liquid taken into the intake-side volume chamber are formed between the inner teeth and the outer teeth; a liquid intake nozzle 9 extending in a non-perpendicular direction with respect to the trochoid rotation surfaces and having a distal end immersed in a liquid reservoir 18; a pump casing 5 in which a recessed portion 5a for accommodating the trochoid is formed; and a pump cover 6 for closing off the recessed portion. An intake cover 8 that has the liquid intake nozzle 9 is secured to the pump casing 5, and the liquid intake nozzle 9 and the intake cover 8 are integrally molded by the injection molding of a resin composition.
69 Downhole motor or pump components, method of fabrication the same, and downhole motors incorporating the same US12955545 2010-11-29 US09309884B2 2016-04-12 Hossein Akbari
Exemplary embodiments provide a progressive cavity pump or motor including a stator having a longitudinal bore and a rotor rotatably disposed within the longitudinal bore of the stator. The rotor includes a rotor core and a resilient outer layer formed of a resilient material bonded onto the outer surface of the rotor core. The resilient outer layer sealably connects the helical configurations on the outer surfaces of the rotor and the stator as the rotor rotates within the longitudinal bore of the stator.
70 Highly Reinforced Elastometric Stator US14775284 2014-03-10 US20160036284A1 2016-02-04 Scott Meng; Peter Cariveau
Elastomeric compositions containing a combination of selected carbon blacks. The resultant elastomers have improved durability and/or power generation. Such elastomers may be used in oilfield products, for example, as seals or stator liners. Methods of producing these elastomeric compositions are also disclosed.
71 Dry running flexible impeller pump and method of manufacture US12925331 2010-10-19 US08997348B2 2015-04-07 Mark R. Harvie
This invention relates to a Dry Running Flexible Impeller Pump and Method of Manufacture designed to provide a flexible impeller pump capable of being run dry for extended periods of time without damage. The pump's components are comprised of low friction materials limiting the heat of friction created by the impeller in use. The impeller is cast of pre-molding silicone substrate containing a quantity of mold release that will not prevent the deposition of a low friction compound coating on the surface of the impeller in a mold that is treated with a low friction industrial coating. Once the impeller is removed from the mold it is solvent cleaned, vacuum baked at a temperature high enough to drive off residual traces of mold release or compounds used to maintain the silicone substrate in suspension, and then coated with a polymer of Poly Para Xylylene by vacuum deposition.
72 METHOD FOR MANUFACTURING ANTI-ROTATION RING OF SCROLL TYPE COMPRESSOR AND ANTI-ROTATION MECHANISM OF THE SCROLL TYPE COMPRESSOR US14298077 2014-06-06 US20140369819A1 2014-12-18 Takuro YAMASHITA; Ken SUITOU; Hiroyuki GENNAMI
In a method for manufacturing an anti-rotation ring of a scroll type compressor, wherein the anti-rotation ring is provided in an anti-rotation mechanism for preventing a movable scroll from rotation on its own axis and made of a metal, the steps of the method include drawing a steel plate into a first intermediate body having a bottomed cylindrical shape, punching the bottom of the first intermediate body thereby to make a second intermediate body and ring forming the second intermediate body.
73 ELECTROFORMED STATOR TUBE FOR A PROGRESSING CAVITY APPARATUS US14108673 2013-12-17 US20140178235A1 2014-06-26 David Joe Steele
A method for use in producing a stator for a progressing cavity apparatus which includes the use of electroforming to produce the stator tube. A stator tube for a progressing cavity apparatus which is produced using electroforming and a stator for a progressing cavity apparatus which includes a stator tube produced using electroforming.
74 Methods and Apparatus for Enhancing Elastomeric Stator Insert Material Properties with Radiation US13989020 2011-11-22 US20130251572A1 2013-09-26 Stefan M. Butuc
A method for manufacturing a stator for a progressive cavity motor or pump comprises (a) forming an elastomeric stator insert. In addition, the method comprises (b) exposing the elastomeric stator insert to ionizing radiation. Further, the method comprises (c) positioning the elastomeric stator insert in a stator housing to form a stator.
75 Compressor US12748285 2010-03-26 US08475151B2 2013-07-02 Paul Nemit, Jr.; Angela Marie Comstock
A compressor is provided with a substantially cylindrical housing. Inside the housing is a motor housing having a substantially cylindrical shape and a compressor housing having a substantially cylindrical shape. The motor housing and the compressor housing are connected or fit into the housing with a frictional connection to prevent axial movement of the motor housing and the compressor housing.
76 FRICTION BONDING STRUCTURE AND PUMP DEVICE US13602849 2012-09-04 US20130064601A1 2013-03-14 Yuichi TOYAMA
An annular groove is formed at an open end of a motor case, and a sliding contact projection, which is in an annular plate-shape and corresponding to the annular groove, is formed on a cover. A bottom of the annular groove and the sliding contact projection rotate relative to each other while being in sliding contact with each other to form an annular friction bonded portion therebetween. Wall portions of the annular groove are arranged at such positions as to be concentric with the friction bonded portion. Thus, a storage portion that stores burrs produced at the friction bonded portion is formed. A plurality of protrusions that protrude radially outward is formed on the sliding contact projection over all around. The storage portion is partitioned in the circumferential direction by using the protrusions as partitioning elements.
77 Method of Making Progressing Cavity Pumping Systems US12915302 2010-10-29 US20120102738A1 2012-05-03 Hossein Akbari; Julien Ramier; Tony Camuel
A progressing cavity rotor facilitates pumping applications in progressing cavity pumping systems by ensuring a desired shape of the rotor. A resilient layer is placed over a rotor core to create a composite progressing cavity pump system rotor. Generally, the rotor core is formed from a harder material, such as a metallic material. Additionally, the composite rotor is placed in a mold and subjected to a molding treatment designed to enhance bonding of the resilient layer and formation of a desired exterior surface shape of the resilient layer.
78 POWDER METAL SCROLL HUB JOINT US13117848 2011-05-27 US20110229360A1 2011-09-22 Christopher Stover; Gary J. Diller; Marc J. Scancarello; Jean-Luc M. Caillat
A scroll component including a spiral scroll wrap, a baseplate having a first major surface coupled to the scroll wrap and a second opposing major surface comprising a protruding pilot extending a distance from the baseplate, and a hub fastened to the baseplate adjacent to the protruding pilot. A method of forming a scroll compressor element is also provided.
79 Scroll Compressor and Method for Manufacturing the Same US12950031 2010-11-19 US20110129377A1 2011-06-02 Chi-Shun Huang; Tsung-Han Tsai
The present invention discloses a scroll compressor and a method for manufacturing the same. The scroll compressor comprises a housing assembly, a motor assembly, a major shaft supporting base, a rotating shaft, and a compressing assembly; the housing assembly comprises a bottom case and a top cover; the motor assembly comprises a fixed unit and a rotating unit; the compressing assembly comprises a fixed compressing member and a rotating compressing member; the method for manufacturing the scroll compressor comprises the steps of: mounting the fixed unit in the bottom case; combining the rotating unit with the rotating shaft; fitting the rotating unit on the center of the fixed unit; disposing the major shaft supporting base on the rotating shaft; disposing the rotating compressing member and the fixed compressing member in the bottom case; and combining the top cover with an upper opening of the bottom case and then finishing the manufacture of the scroll compressor.
80 Downhole motor seal and method US11385946 2006-03-21 US07896628B2 2011-03-01 Olivier Sindt; Geoff Downton; Laurent Carteron; Francois Clouzeau
The rotor of a downhole motor includes a mandrel having at least one radial lobe, and an elastomeric tubular sleeve compressed about the mandrel so as to establish frictional engagement therebetween. The sleeve is compressed about the mandrel through one of various processes, including heat shrinking, vacuum shrinking, and stretching.
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