| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 141 | Sound attenuating machinery cover | US932803 | 1992-08-20 | US5272285A | 1993-12-21 | T. Scott Miller |
| A slip over, sound muffling cover for a machine such as a compressor is disclosed which includes an outer layer of relatively rigid, bendable, resilient material capable of being distorted and returned to its desired shape, and an inner layer of flexible, sound absorbent material. The outer layer includes a cap having a broad surface and a pair of open sided trays attached on corresponding ends thereof to the broad surface so that, under normal circumstances, the open sides of the trays face one another. Each of the trays contains a pair of elongated flanges on opposite side edges thereof, pairs of such flanges which oppose one another on the same side of the trays are closable against one another to enclose a machine in the sound absorbent material. The trays may be semi-cylindrically shaped wherein when closed against one another, they form a cylindrically shaped enclosure about a similarly shaped compressor with the cap closing one end of the enclosure over the top of the machine, and with the lower end of the enclosure being open. Preferably, the outer layer is constructed of molded, closed cell polyethelene and the inner layer is constructed of spun fiberglass and/or plastic foam. | ||||||
| 142 | Device for cooling and silencing of noise of a compressor or vacuum pump | US871552 | 1978-01-23 | US4201523A | 1980-05-06 | Bjorn O. E. Olofsson |
| A device is described for cooling and silencing a compressor or vacuum pump which is directly connected to an electric driving motor. Both the compressor and the driving motor can be immersed, and are arranged in a totally sealed container encasing a cooling and sound-absorbing liquid to such a level that the compressor or vacuum pump and driving motor are totally immersed in the liquid. The whole of the outer surface of the container is coated with sound-absorbing material, and at least one heat exchanger is arranged outside the container and the sound-absorbing material, the heat exchanger being in communication with the inside of the container so that the cooling and sound-absorbing liquid flows through the heat exchanger under the influence of the thermal circulation generated in the liquid. | ||||||
| 143 | ELASTOMER SERIES COUPLING DAMPER FOR SUPERCHARGER | US16058147 | 2018-08-08 | US20180347661A1 | 2018-12-06 | Mark Harold Pratley |
| A coupling assembly arranged between an input shaft and a rotor shaft of a supercharger includes a first hub, a second hub, a first side coupling assembly, a second side coupling assembly, a central hub and a plurality of coupler pins. The first hub is mounted for concurrent rotation with the input shaft. The second hub is mounted for concurrent rotation with the rotor shaft. The first side coupling assembly has a first side coupling body and a first side elastomeric insert. The first side coupling body includes an inboard body portion having a first series of pockets and an outboard body portion having a second series of pockets. The first side elastomeric insert has a first and second plurality of lobes. The pockets of the first and second series of pockets are tangentially offset relative to each other and each receive respective first and second plurality of lobes therein. | ||||||
| 144 | Noise-reduction mechanism for oil pump | US14245144 | 2014-04-04 | US09989059B2 | 2018-06-05 | Ahsanul Karim; Abhijyoth Vempati; Abdelkrim Zouani |
| A noise-reduction mechanism is coupled to a portion of an oil-pump system and includes various tunable components that are configurable to affect specific frequency ranges of noise within the system. The mechanism includes a series of channels that are coupled to a portion of the oil-pump system (e.g., outlet tube) and are coupled to a reservoir. | ||||||
| 145 | Pump apparatus and marine vessel propelling machine | US14866039 | 2015-09-25 | US09885355B2 | 2018-02-06 | Takahiko Saito; Atsushi Kagawa; Hayato Tsutsui |
| A pump apparatus includes a shaft, a first pump, and a second pump. The first pump includes a first driving gear disposed on the shaft in a first phase and rotatable with the shaft to feed a first operating fluid. The second pump includes a second driving gear disposed on the shaft in a second phase shifted from the first phase. The second driving gear is coaxial with the first driving gear and rotatable with the shaft to feed a second operating fluid. | ||||||
| 146 | DEVICE FOR CONDITIONING FLOW OF WORKING FLUIDS | US15672798 | 2017-08-09 | US20180023572A1 | 2018-01-25 | Dale E. HUSTED |
| The disclosure describes a flow conditioning device for dampening pulses and improving performance of a compressor. In one approach, a diffuser device includes a housing member having a first end and a second end, the housing member coupled to an outlet of a compressor, and a diffuser member disposed within the housing member. The diffuser member is in fluid communication with a working fluid delivered from the compressor, and includes a core member extending along a longitudinal axis of the diffuser member, and a plurality of flutes extending radially from the core member. In some approaches, the plurality of flutes and an inner surface of the housing define a plurality of fluid channels for delivering the working fluid from the first end to the second end of the housing member. In some approaches, the diffuser member is rotatably coupled to the housing member. | ||||||
| 147 | BALANCE SHAFT MODULE | US15333886 | 2016-10-25 | US20170314556A1 | 2017-11-02 | Seongyong KIM; Sung Kwang KIM |
| A balance shaft module includes a balance shaft for receiving a driving force from a crankshaft of an engine by a driving gear and rotating inside a balance shaft housing, an oil pump gear being geared with the driving gear to rotate along with the driving gear, an oil pump shaft having the oil pump gear press-fitted therein and rotating as the oil pump gear rotates, and an oil pump assembly mounted in the oil pump shaft and pumping oil as the oil pump shaft rotates, wherein a pair of support rings is provided at both side surfaces of the oil pump gear to support both side portions of the oil pump gear in the oil pump shaft. | ||||||
| 148 | Scroll compressor with inclined surfaces on the stepped portions | US14365805 | 2012-12-06 | US09732753B2 | 2017-08-15 | Hirofumi Hirata; Takayuki Kuwahara; Hiroshi Yamazaki |
| In a stepped scroll compressor, inclined surfaces (28, 29) of which heights are gradually reduced toward stepped portions are formed in a range W of at least 2ρ to 3ρ (here, ρ denotes a turning radius of a turning scroll) at (1) any one or both of inner peripheral end portions of high top lands (14H, 15H) of both scrolls and inner peripheral end portions of low bottom lands (14J, 15J) of the opposite scrolls corresponding to the inner peripheral end portions and (2) any one or both of outer peripheral end portions of high bottom lands (14K, 15K) of both the scrolls and outer peripheral end portions of low top lands (14I, 15I) of the opposite scrolls corresponding to the outer peripheral end portions, on the stepped portions (14F, 15F and 14G, 15G) of the top and bottom lands. | ||||||
| 149 | Pump device and ship propulsion machine | US14866427 | 2015-09-25 | US09638187B2 | 2017-05-02 | Takahiko Saito; Atsushi Kagawa; Hayato Tsutsui |
| A pump device includes a shaft, a first gear pair, a second gear pair, a support pin, and a casing. The first gear pair includes a first driving gear which is disposed on the shaft and is rotatable together with the shaft, and a first driven gear driven by the first driving gear. The second gear pair includes a second driving gear which is disposed on the shaft coaxially with the first driving gear and is rotatable together with the shaft, and a second driven gear driven by the second driving gear and arranged coaxially with the first driven gear. The support pin penetrates the first driven gear and the second driven gear and rotatably supporting the first driven gear and the second driven gear. The casing covers the first gear pair and the second gear pair. The support pin is fitted to the casing to be fixed. | ||||||
| 150 | VANE OIL PUMP | US14868818 | 2015-09-29 | US20170089233A1 | 2017-03-30 | Mohammad Ali MOETAKEF; Abdelkrim ZOUANI; Minghui CHIEN |
| A vane fluid pump for a vehicle component is provided with an inner rotor supported within a cam. The inner rotor has an outer wall extending between first and second end faces, the outer wall defining a series of slots spaced apart about the outer wall to provide a series of outer wall sections. One of the wall sections defines a groove. Another of the wall sections is independent of grooves or is ungrooved. The pump has vanes positioned within respective slots of the inner rotor and extending outwardly to contact the continuous inner wall of the cam. The groove on the inner rotor is configured fluidly couple with a notch on the housing to provide fluid flow to the discharge port from an upstream pumping chamber to disrupt harmonics during operation to reduce pressure ripples and associated tonal noise. | ||||||
| 151 | MOTOR VEHICLE VACUUM PUMP | US15115694 | 2015-02-02 | US20170009770A1 | 2017-01-12 | ENVER DES; MORITZ JOHANNES JOB |
| A motor vehicle vacuum pump includes a pumping chamber in which a pump rotor rotates to compress a gas, an outlet chamber into which the gas exits, a separation wall which includes a valve opening and a valve seat arranged on an outlet side of the separation wall around the valve opening. The separation wall separates the pumping chamber from the outlet chamber. An outlet valve is formed as a non-return valve in the separation wall. The outlet valve is formed by the valve opening in the separation wall and includes a valve body with a closing body. The outlet valve has the gas exit therethrough from the pumping chamber into the outlet chamber. A corresponding part of the closing body is supported on the valve seat when the closing body is in a closed position. The valve seat and/or the corresponding part of the closing body includes microgrooves. | ||||||
| 152 | Radial roller bearing, rotary machine including radial roller bearing, and method for designing radial roller bearing | US14354087 | 2012-10-23 | US09400016B2 | 2016-07-26 | Goshi Iketaka; Shinichi Takahashi; Takayuki Hagita; Akinori Yoshioka; Takeshi Hirano |
| The properties of lubricating oil are utilized to avoid excessive quality in terms of the circularity of roller members while reducing the noise from a radial roller bearing alone during rotation and thereby reducing the noise from a rotary machine. The radial roller bearing includes an outer ring member (30A), a plurality of roller members (30B), and a retainer, and a lubricating oil (O) is supplied between the outer ring member (30A) or a rotating shaft and the roller members (30B). The circularity (ΔR) of the roller members (30B) in a cross section perpendicular to a centerline (CL) thereof is set to be lower than or equal to the minimum oil film thickness (hmin) of an oil film formed by the lubricating oil (O). | ||||||
| 153 | NOISE-REDUCTION MECHANISM FOR OIL PUMP | US14245144 | 2014-04-04 | US20150285250A1 | 2015-10-08 | AHSANUL KARIM; ABHIJYOTH VEMPATI; ABDELKRIM ZOUANI |
| A noise-reduction mechanism is coupled to a portion of an oil-pump system and includes various tunable components that are configurable to affect specific frequency ranges of noise within the system. The mechanism includes a series of channels that are coupled to a portion of the oil-pump system (e.g., outlet tube) and are coupled to a reservoir. | ||||||
| 154 | Scroll compressor with stepped spiral wraps | US13123836 | 2010-04-22 | US09145770B2 | 2015-09-29 | Hirohumi Hirata; Tetsuzo Ukai; Hiroshi Yamazaki; Takahide Ito |
| An object is to provide a scroll compressor capable of preventing degradation in performance and the occurrence of abnormal noise due to a torsional moment applied to an orbiting scroll, by utilizing the structural advantages of so-called stepped scroll compressors. In a so-called stepped scroll compressor (1), in a pair of compression chambers (16) arranged in a point-symmetrical configuration among a plurality of compression chambers (16), the volume V1 of the compression chamber (16) formed on the ventral-surface side of the fixed spiral wrap (14B) of the fixed scroll (14) when intake is cut off and the volume V2 of the compression chamber (16) formed on the ventral-surface side of the orbiting spiral wrap (15B) of the orbiting scroll (15) are different from each other. | ||||||
| 155 | GEAR PUMP HAVING GROOVED MOUNTING ADAPTER | US14695563 | 2015-04-24 | US20150233372A1 | 2015-08-20 | Randall Edward FURRER |
| A mounting adapter is disclosed for use with a gear pump. The mounting adapter may have a generally plate-like base member, and inlet and outlet ports both formed in the base member. The mounting adapter may also have a first bearing bore formed in the base member between the inlet port and the outlet port and configured to receive a first gear shaft, and a first bleed groove formed in the base member adjacent the outlet port. The first bleed groove may be generally concentric with the first bearing bore. The mounting adapter may further have a second bearing bore formed in the base member between the inlet port and the outlet port and configured to receive a second gear shaft, and a second bleed groove formed in the base member adjacent the outlet port. The second bleed groove may be generally concentric with the second bearing bore. | ||||||
| 156 | Vane pump | US13155041 | 2011-06-07 | US09051933B2 | 2015-06-09 | Marco Kirchner; Michael Langer; Christian Richter |
| A vane pump is disclosed. The vane pump includes at least an inner rotor and at least one vane. The inner rotor is rotatably mounted in a cage and the at least one vane is configured in at least one substantially radial slot, the slot is configured in the inner rotor, wherein the slots and the vanes are arranged asymmetrically on the inner rotor. | ||||||
| 157 | COMPRESSOR HAVING SOUND ISOLATION FEATURE | US14553502 | 2014-11-25 | US20150152868A1 | 2015-06-04 | Wayne-Chi Fu; Michael A. Saunders; Stephen M. Seibel; Kevin J. Gehret; Robert C. Stover; Patrick R. Gillespie |
| Scroll compressor designs are provided to minimize vibration, sound, and noise transmission. The scroll compressor has a bearing housing, and orbiting and non-orbiting scroll members. The non-orbiting scroll member has a radially extending flanged portion with at least one aperture substantially aligned with the axially extending bore. At least one fastener is disposed within the aperture and the bore. A sound isolation member contacts at least one of the non-orbiting scroll member, the fastener, or the bearing housing, to reduce or eliminate noise transmission. The sound isolation member may be formed of a polymeric composite having an acoustic impedance value greater than the surrounding materials. The sound isolation member may be an annular washer, an O-ring, or a biasing member, by way of non-limiting example. In other variations, fluid passages are provided within the fastener and/or bearing housing to facilitate entry of lubricant oil to further dampen sound and noise. | ||||||
| 158 | Gear pump having grooved mounting adapter | US13873764 | 2013-04-30 | US09046101B2 | 2015-06-02 | Randall Edward Furrer |
| A mounting adapter is disclosed for use with a gear pump. The mounting adapter may have a generally plate-like base member, and inlet and outlet ports both formed in the base member. The mounting adapter may also have a first bearing bore formed in the base member between the inlet port and the outlet port and configured to receive a first gear shaft, and a first bleed groove formed in the base member adjacent the outlet port. The first bleed groove may be generally concentric with the first bearing bore. The mounting adapter may further have a second bearing bore formed in the base member between the inlet port and the outlet port and configured to receive a second gear shaft, and a second bleed groove formed in the base member adjacent the outlet port. The second bleed groove may be generally concentric with the second bearing bore. | ||||||
| 159 | Variable capacity type rotary compressor, cooling apparatus having the same, and method for driving the same | US13059374 | 2009-08-19 | US09017048B2 | 2015-04-28 | Sang-Myung Byun; Sang-Mo Kim |
| A variable capacity type rotary compressor and a cooling apparatus having the same, and an operation method thereof are provided. In the variable capacity type rotary compressor and the cooling apparatus having the same, a discharge pressure is supplied to a rear side of a second vane disposed in the compressor after the discharge pressure is higher than a reference pressure, so that the compressor is switched from a saving mode into a power mode. The second vane is press-contacted with a second rolling piston with fast and accurately moving without vibration, resulting in preventing beforehand noise occurrence or efficiency degradation due to the vibration of the second vane when the compressor or the cooling apparatus having the compressor is operated in the power mode. | ||||||
| 160 | Refrigerant compressor and heat pump apparatus | US13377678 | 2010-05-24 | US09011121B2 | 2015-04-21 | Tetsuhide Yokoyama; Raito Kawamura; Kei Sasaki; Shin Sekiya; Taro Kato; Masao Tani; Atsuyoshi Fukaya; Takeshi Fushiki |
| A device that enhances compressor efficiency by reducing pressure losses in a discharge muffler space into which is discharged a refrigerant compressed by 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 communication port flow guide is provided so as to cover a predetermined area of an opening of a communication port from a side of a flow path in a reverse direction out of two flow paths in different directions around the drive shaft from a discharge port through which is discharged the refrigerant compressed by a low-stage compression unit to the communication port through which the refrigerant flows out. The communication port flow guide transforms a direction of a flow into a direction of a connecting flow path. | ||||||
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