| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | Refrigerant compressor and heat pump apparatus | US13377665 | 2010-05-24 | US08790097B2 | 2014-07-29 | Tetsuhide Yokoyama; Toshihide Koda; Shin Sekiya; Kei Sasaki; Raito Kawamura; Taro Kato; Atsuyoshi Fukaya; Takeshi Fushiki; Hideaki Maeyama; Masao Tani |
| A refrigerant compressor that enhances compressor efficiency by both reducing an amplitude of pressure pulsations and reducing pressure losses in a discharge muffler space into which is discharged a refrigerant compressed at a compression unit. A low-stage discharge muffler space is formed in the shape of a ring around a drive shaft. In the low-stage discharge muffler space, a discharge port rear guide is provided in the proximity of a discharge port through which is discharged the refrigerant compressed by a low-stage compression unit. The discharge port rear guide is provided at a flow path in one direction out of two flow paths from the discharge port to a communication port in different directions around the drive shaft, and prevents the refrigerant from flowing in that direction, thereby causing the refrigerant to circulate in a forward direction in the ring-shaped discharge muffler space. | ||||||
| 162 | SCROLL COMPRESSOR | US14076644 | 2013-11-11 | US20140134032A1 | 2014-05-15 | Kosaku TOZAWA; Ken SUITOU |
| A scroll compressor includes a rotation shaft, a fixed scroll, a movable scroll, a compression chamber, and a shaft support. A movable member is movable in an axial direction of the rotation shaft toward and away from the movable scroll. A rotation restriction mechanism includes a pin and a hole that is loosely fitted into the hole. An orbital radius switching mechanism moves the movable member in a first direction when a rotation speed of the rotation shaft is increased, which decreases an orbital radius of the pin relative to the hole so that an orbital radius of the movable scroll is decreased, and moves the movable member in a second direction when the rotation speed of the rotation shaft is decreased, which increases the orbital radius of the pin relative to the hole so that the orbital radius of the movable scroll is increased. | ||||||
| 163 | SCROLL-TYPE FLUID MACHINE | US13988830 | 2012-04-26 | US20130243635A1 | 2013-09-19 | Kazuhide Watanabe; Hiroshi Yamazaki; Genta Yoshikawa; Takafumi Yoshida; Shiki Matsuo |
| Provided is a scroll-type fluid machine which can reduce deformation of a rotary scroll caused when fixing a bearing into a boss part. A scroll compressor, in which a sealed chamber confining a fluid is formed by a fixed scroll and the rotary scroll meshed together, each of the scrolls having a spiral wall erected on one side face of an end plate, includes: a metallic boss part (15C) protruding from the other side face of the end plate of the rotary scroll; a metallic rotary bearing (12) inserted into the boss part (15C); a crankshaft rotating around an axis and including a bush part inserted in the rotary bearing (12) and rotatably supported by the rotary bearing (12); and an insert member (31) disposed between the boss part (15C) and the rotary bearing (12) and having a thermal expansion coefficient greater than those of the boss part (15C) and the rotary bearing (12). | ||||||
| 164 | TAPERED SOUND OUTLET VANE PUMP | US13480111 | 2012-05-24 | US20130045126A1 | 2013-02-21 | Theodor Hüser; Alexander Rüther; Udo Schubert |
| The invention relates to a vane cell pump comprising an electrical pump unit that has a pump chamber into and out of which a fluid can flow and also a rotor with a number of vanes to compress the fluid before flowing out from the pump chamber. The vane cell pump also comprises a sound-damping mechanism into which the fluid can flow after flowing through the pump chamber and that has a sound-damping cover attached to a part of the pump chamber and defining a sound-damping volume. A preliminary sound-damping mechanism with at least one preliminary sound-damping outlet from which the fluid can flow may be arranged within the sound-damping volume, wherein the preliminary sound-damping outlet has a cross-sectional profile tapering in the direction of fluid outflow. | ||||||
| 165 | Variable Displacement Vane Pump | US13564186 | 2012-08-01 | US20130034460A1 | 2013-02-07 | Yoko TSUKADA; Shinji Seto; Yukio Uchida |
| A variable displacement vane pump has an inner peripheral face of a cam ring formed so that in a maximum eccentric state, a radius vector gradually shortens according to the rotation of a rotor in an area from a starting point of a first seal interval to an intermediate point of the first seal interval and an area from an intermediate point of a second seal interval to an end point of the second seal interval. The inner peripheral face of the cam ring is formed so that in a minimum eccentric state, the radius vector is substantially fixed or gradually lengthens according to the rotation of the rotor in other areas. | ||||||
| 166 | MOTOR-DRIVEN COMPRESSOR | US13431533 | 2012-03-27 | US20120251356A1 | 2012-10-04 | Takayuki OTA; Ken SUITOU |
| A motor-driven compressor that prevents electric leakage from a drive circuit while suppressing the generation of noise. The motor-driven compressor includes a compressor mechanism that compresses a refrigerant, a motor mechanism that actuates the compressor mechanism, a drive circuit that drives the motor mechanism. The drive circuit is connected to a power supply. An inner housing accommodates the compressor mechanism and the motor mechanism in a sealed state and holds the drive circuit. An outer housing accommodates the inner housing and includes a mounting portion that can be mounted to another member. An intermediate member arranged between the inner housing and the outer housing and between the drive circuit and the outer housing. The intermediate members include anti-vibration and thermal insulation properties. A protector protects the drive circuit from an external impact, wherein the protector is arranged on the outer housing. | ||||||
| 167 | Rotor profile for a screw compressor | US12328295 | 2008-12-04 | US08246333B2 | 2012-08-21 | Man Sig Ju; Jae Jung Bae |
| A rotor profile for a screw compressor includes a male rotor and a female rotor, which are operated in an operation space while being engaged with each other, wherein a rotor profile of the female rotor includes a curve having an operation contact point located around a pitch circle at a following-side of the female rotor, the operation contact point being contacted with the male rotor to operate the male rotor when the female rotor is operated, and the curve is configured with a quadratic function y=Lx2+Mx+N. Here, the constants L, M and N are values determined such that a slip ratio at the operation contact point is minimized. This rotor profile for a screw compressor minimizes a slip ratio at the operation contact point, thereby decreasing abrasion and reducing noise of the compressor. | ||||||
| 168 | Pumping unit with reinforcing ribs | US12444058 | 2007-09-19 | US08241023B2 | 2012-08-14 | Adam Wilhelm; Peter Weber; Johann Rothkopf; Mehmet Gueluem; Fevzi Yildirim; Thomas Wuensch; Reinhard Dittmann |
| A pumping unit having a pump chamber with a rotor mounted in a rotatable manner within the chamber. The pumping chamber is formed by a circumferential wall and two end walls. The circumferential wall is formed on an annular collar of a pump part and has on its inner surface a track on which sealing bodies of a rotor roll. To avoid deformation of the pump part by hydraulic forces or by pressing-in forces, ribs are arranged on the outer surface of the circumferential wall which extend away from the pump chamber. A shoulder is arranged on the side of the end wall which is directed away from the pump chamber. The shoulder is connected by a press fit to the pump housing and has thin walls so that pressing forces do not result in any deformation to the end wall of the pump chamber. | ||||||
| 169 | ENCLOSED POSITIVE DISPLACEMENT MECHANISM, PARTICULARLY FOR FLUID MACHINERY, FLUID MACHINERY COMPRISING THE MECHANISM AND ROTATING UNIT FOR THE MECHANISM | US13496444 | 2010-09-09 | US20120177519A1 | 2012-07-12 | Leonardo Cadeddu |
| An enclosed positive displacement mechanism including a body with an inlet and an outlet; a rotor mounted in the body and rotatable about a main axis; an orbiting piston located in the cavity, rotatable about an eccentric secondary axis and arranged to orbit around the main axis to roll on the internal side surface of the cavity; and a vane located in the cavity, slidable in the piston and mounted in the body between one inlet and one outlet so as to oscillate. The orbiting piston and the vane divide in cyclic manner the cavity into a first and a second chamber with variable volume, which are mutually complementary and communicate with the inlet and the outlet. During a portion of its oscillation, the vane passes through the piston and is in contact with the side surface of the cavity, thereby separating the chambers in a fluid-tight manner. | ||||||
| 170 | METHOD AND SYSTEM FOR NOISE CONTROL IN HYDRAULIC PUMPS | US12841145 | 2010-07-21 | US20120020807A1 | 2012-01-26 | CHRISTIAN FERNHOLZ; TIMOTHY OFFERLE; DANIEL TUTTLE; JEFF WILLIAMS |
| A method for attenuating hydraulic pump flow pulses is described. The method includes pumping a fluid at a first hydraulic flow rate to an operating device via the pump, the flow being in the form of discrete fluid pulses. Further, the method includes obtaining values of plurality of parameters related to the pulses produced by the pump and attenuating the pulses by modifying the first hydraulic flow rate to a second hydraulic flow rate based on the obtained values. | ||||||
| 171 | Muffler | US12838731 | 2010-07-19 | US08079441B2 | 2011-12-20 | Guobiao Zhang |
| A muffler is disclosed. In the muffler a throttling device that is controlled by the energy of the airflow to be muffled is provided in a pipeline of the airflow that needs to be muffled. The muffler is adjusted by itself according to random variety of the pulsing airflow, and can eliminate or reduce effectively the pulsation of the airflow and the related noise in the range of the low frequency and the middle frequency. The muffling effect of the muffler has no correlation with the volume of the muffler, and therefore the volume of the muffler can be reduced. | ||||||
| 172 | VANE CELL PUMP | US12998760 | 2009-11-23 | US20110293458A1 | 2011-12-01 | Eugen Schmidt; Andreas Schmidt; Franz Pawellek; Andreas Blechschmidt; Nico Eberhardt; Torsten Wilhelm |
| The invention relates to vane cell pumps having a rotor mounted in a pump housing and driven by a shaft, multiple vane plates mounted in the outer circumference of this rotor, and an outer ring that surrounds the rotor and the vane plates, whereby this ring is disposed either directly in the pump housing, or in a setting ring that can be moved in the pump housing, along predetermined paths. The purpose is to develop a new type of vane cell pump having a new type of pump chamber geometry, which guarantees optimal, complete filling, in terms of flow technology, of the pump chambers, particularly at speeds of rotation in the range from 4500 rpm to beyond 6000 rpm, and furthermore is easy to manufacture, in terms of production technology. The vane cell pump according to the invention, having transverse grooves disposed in the cylinder mantle surface of the rotor, between the bearing grooves of the vane plates, running over the entire rotor width, disposed parallel to the bearing grooves of the vane plates, spaced apart from the bearing grooves by a bearing crosspiece, is characterized in that these transverse grooves have a non-symmetrical cross-section progression, which has a low point in each cell chamber, which point is always disposed behind the cell chamber center axis, seen in the direction of rotation. | ||||||
| 173 | GAS COMPRESSOR | US13129989 | 2009-10-30 | US20110223052A1 | 2011-09-15 | Hiroshi Iijima |
| A gas compressor includes a cylinder block, a rear side block, a front side block, a cylinder chamber segmented by the above three blocks, a rotor provided in the cylinder chamber, vane slots formed on the rotor, vanes inserted into the vane slots, and a suction hole provided on at least one of the front and rear side blocks. Refrigerant is suctioned into the cylinder chamber from the suction hole. An opening edge of the suction hole is composed of an in-chamber opening edge that locates within the cylinder chamber and an in-block opening edge that faces to a sidewall of the cylinder block. The in-chamber opening edge locates on a side of an oval inner wall away from an outer circumference of the rotor. According to the gas compressor, leaning of the vanes is restrained, so that ground damage or attrition of the blocks, vibrations and noises are restrained. | ||||||
| 174 | Rotary blower with isothermal air jacket | US12011589 | 2008-01-28 | US20090191083A1 | 2009-07-30 | Paul Xiubao Huang; Sean Wiiliam Yonkers |
| A rotary blower with an isothermal air jacket having multiple interconnected and synchronized parallel multi-lobe rotors with the same number of lobes for propelling flow from a suction port to a discharge port of an inner casing without internal compression. The isothermal air jacket is shaped to surround the blower outer body, but is oversized to provide adequate flow spaces with outer skin of the blower to enable an effective cooling of the outlet casing and an effective heating of the inlet casing so that the whole casing temperature will tend to be more uniform and isothermal, resulting in a blower with less vibration, lower noise and longer blower life. | ||||||
| 175 | Rotary piston pump | US10496090 | 2002-11-19 | US20050019195A1 | 2005-01-27 | Peter Schnabl |
| The invention relates to a rotary piston pump comprising a housing (10), an annular piston (18) in the form of a tubular segment, which is connected to a shaft (22) in a rotationally fixed manner and which is guided rotationally and displaceably in an annular chamber (28, 10) of the housing, said chamber being coaxial with the shaft (22). The rotary piston pump also comprises at least one inlet and one outlet which are configured in the housing in such a way that the inlet or outlet on the annular chamber side are located inside an axial area of a surface area of the annular chamber, said surface area being determined by the maximum axial distance of the wave troughs of the end surfaces that face each other. The invention is characterized in that the annular piston has control pockets which are open toward its axial end surface, said control pockets controlling the inlets and outlets, wherein the characteristics of the control pockets (38) and the inlets and outlets are selected in such a way that maximum volume flow of the medium to be conveyed is enabled by the inlet (40) when the piston performs a stroke between the top and bottom dead center and by the outlet (56) when the piston performs a stroke between the bottom and top dead center. | ||||||
| 176 | Compressor with built-in motor mounted on engine of mobile structure | US10096287 | 2002-03-13 | US06669452B2 | 2003-12-30 | Nobuaki Ogawa; Yoshifumi Abe; Masahiko Makino |
| Separated seating members are used to mount a compressor onto an engine of a mobile structure. The compressor has a compressing mechanism and an electric motor, which are accommodated in a case, and the separated seating members embrace and fix the case by mutually linking together. Mounting seats provided on the separated seating members are held against the engine, and are mounted by bolts. | ||||||
| 177 | Vibration isolation for a transversely mounted compressor | US10025939 | 2001-12-26 | US06543741B1 | 2003-04-08 | Wenlong Li; Peter R. Bushnell |
| A horizontally mounted compressor is supported from below by a vibration isolator located as close as practical to the vertical projection of the center of gravity of the compressor and this isolator supports most, if not all, of the weight of the compressor. The ends of the compressor are supported by isolators located as close as practical to the axis of the compressor. | ||||||
| 178 | Compressor with built-in motor mounted on engine of mobile structure | US10096287 | 2002-03-13 | US20020131878A1 | 2002-09-19 | Nobuaki Ogawa; Yoshifumi Abe; Masahiko Makino |
| Separated seating members are used to mount a compressor onto an engine of a mobile structure. The compressor has a compressing mechanism and an electric motor, which are accommodated in a case, and the separated seating members embrace and fix the case by mutually linking together. Mounting seats provided on the separated seating members are held against the engine, and are mounted by bolts. | ||||||
| 179 | Compressor mounting | US197873 | 1998-11-23 | US6132183A | 2000-10-17 | Wenlong Li; Philip L. Lavrich; Kevin B. Dunshee |
| Vertical support and vibration isolation of a compressor casing is provided in single large vibration isolator. Additionally side torsion isolators are axially and radially spaced from the large vibration isolator and are circumferentially spaced from each other. The compressor may be located in a shell supporting the side vibration isolators. | ||||||
| 180 | ベーン型圧縮機 | JP2013066906 | 2013-03-27 | JP6174879B2 | 2017-08-02 | 高橋 知靖; 寺屋 孝則; 大沢 仁 |
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