JPS627400B2 - - Google Patents
Info
- Publication number
- JPS627400B2 JPS627400B2 JP53084114A JP8411478A JPS627400B2 JP S627400 B2 JPS627400 B2 JP S627400B2 JP 53084114 A JP53084114 A JP 53084114A JP 8411478 A JP8411478 A JP 8411478A JP S627400 B2 JPS627400 B2 JP S627400B2
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- absorbent material
- cavity
- impeller
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000012530 fluid Substances 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 35
- 239000006096 absorbing agent Substances 0.000 claims description 29
- 230000002745 absorbent Effects 0.000 claims description 28
- 239000002250 absorbent Substances 0.000 claims description 28
- 230000003068 static effect Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 description 24
- 238000010521 absorption reaction Methods 0.000 description 17
- 238000005192 partition Methods 0.000 description 14
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000002496 gastric effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/665—Sound attenuation by means of resonance chambers or interference
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81533077A | 1977-07-13 | 1977-07-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5439202A JPS5439202A (en) | 1979-03-26 |
JPS627400B2 true JPS627400B2 (es) | 1987-02-17 |
Family
ID=25217479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8411478A Granted JPS5439202A (en) | 1977-07-13 | 1978-07-12 | Pressure fluctuation absorbing apparatus |
Country Status (15)
Country | Link |
---|---|
JP (1) | JPS5439202A (es) |
AR (1) | AR215323A1 (es) |
AU (1) | AU530089B2 (es) |
BR (1) | BR7804499A (es) |
CH (1) | CH635899A5 (es) |
DE (1) | DE2830294C3 (es) |
FR (1) | FR2397546B1 (es) |
GB (1) | GB2001135B (es) |
IN (1) | IN149314B (es) |
IT (1) | IT1097154B (es) |
MX (1) | MX146552A (es) |
NL (1) | NL182239C (es) |
SU (1) | SU1253435A3 (es) |
WO (1) | WO1979000043A1 (es) |
ZA (1) | ZA783845B (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0050621A1 (en) * | 1980-04-28 | 1982-05-05 | KOOPMANN, Gary H. | Noise reduction system |
GB2246395A (en) * | 1990-07-26 | 1992-01-29 | Garrett Automotive Limited | Noise attenuation in a turbocharger |
DE4219249C2 (de) * | 1992-06-12 | 1994-03-31 | Kuehnle Kopp Kausch Ag | Radialverdichter, insbesondere eines Turboladers |
DE19818873C2 (de) * | 1998-04-28 | 2001-07-05 | Man B & W Diesel Ag | Hubkolbenbrennkraftmaschine |
DE10112764A1 (de) * | 2001-03-16 | 2002-09-19 | Mann & Hummel Filter | Radialverdichter |
DE102012202707B3 (de) | 2012-02-22 | 2013-03-07 | Siemens Aktiengesellschaft | Laufradseitenräume mit Resonatoren bei radialen Strömungsmaschinen |
DE102012213622A1 (de) * | 2012-08-02 | 2014-02-06 | Siemens Aktiengesellschaft | Turbomaschine |
JP6392103B2 (ja) * | 2014-12-09 | 2018-09-19 | 三菱重工業株式会社 | 吸音装置、遠心圧縮機、および過給機 |
DE102021133907A1 (de) | 2021-12-20 | 2023-06-22 | Viessmann Climate Solutions Se | Verdichtervorrichtung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5027405B2 (es) * | 1973-05-18 | 1975-09-08 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR833985A (fr) * | 1937-02-24 | 1938-11-08 | Rheinmetall Borsig Ag | Perfectionnements apportés aux turbo-compresseurs en vue d'empêcher les filets fluides de se détacher de la paroi |
US2225398A (en) * | 1939-09-13 | 1940-12-17 | Clyde M Hamblin | Construction of ventilating fans |
GB867808A (en) * | 1956-11-08 | 1961-05-10 | Werner Genest Ges Fur Isolieru | Improvements in or relating to silencers for jet propulsion units |
GB908521A (en) * | 1958-02-04 | 1962-10-17 | Plannair Ltd | Improvements in or relating to axial-flow blowers and compressors |
GB935379A (en) * | 1958-09-25 | 1963-08-28 | Garrett Corp | Sound attenuating apparatus |
DE1428102B2 (de) * | 1962-09-12 | 1971-06-03 | Geratebau Eberspacher KG, 7300 Ess hngen | Vorrichtung zum anfachen der grenzschicht bei einem radial verdichter |
GB1007068A (en) * | 1963-10-29 | 1965-10-13 | Brightside Heating And Enginee | Improvements relating to centrifugal fans |
DE1196877B (de) * | 1964-04-18 | 1965-07-15 | Costa S Vasiljevic Dipl Ing Dr | Bauelement nach dem Resonatorprinzip zur Erstellung von schalldaempfenden Flaechen oder Kanaelen |
GB1107726A (en) * | 1964-07-07 | 1968-03-27 | Sound Attenuators Ltd | Improved centrifugal fan or blower and a ventilator embodying the same |
US3362629A (en) * | 1965-12-21 | 1968-01-09 | Carrier Corp | Centrifugal compressor |
US3360193A (en) * | 1965-12-29 | 1967-12-26 | Rotron Mfg Co | Regenerative compressors with integral mufflers |
GB1165211A (en) * | 1966-04-22 | 1969-09-24 | Sound Attenuators Ltd | Ventilating Appliance including a Centrifugal Fan |
GB1196176A (en) * | 1966-08-05 | 1970-06-24 | Chiyoda Chem Eng Construct Co | Silencers for Axial - Flow Fluid Fans |
US3540547A (en) * | 1968-12-31 | 1970-11-17 | Charles Waddell Coward Jr | Acoustical systems for air moving devices |
US3738448A (en) * | 1971-12-13 | 1973-06-12 | Bolt Beranek & Newman | Sound silencing method and apparatus |
JPS5027405U (es) * | 1973-07-04 | 1975-03-29 | ||
JPS5153606A (en) * | 1974-11-05 | 1976-05-12 | Sasakura Eng Co Ltd | Puroperafuanno soonboshofuanringu |
DE2521416A1 (de) * | 1975-05-14 | 1976-11-25 | Costa Silard Dipl I Vasiljevic | Schallgedaempfter axialventilator |
US4174020A (en) * | 1975-07-01 | 1979-11-13 | Challis Louis A | Acoustic treatment for fans |
JPS5278111U (es) * | 1975-12-10 | 1977-06-10 |
-
1978
- 1978-07-04 ZA ZA00783845A patent/ZA783845B/xx unknown
- 1978-07-07 AU AU37853/78A patent/AU530089B2/en not_active Expired
- 1978-07-10 DE DE2830294A patent/DE2830294C3/de not_active Expired
- 1978-07-10 IN IN513/DEL/78A patent/IN149314B/en unknown
- 1978-07-11 FR FR7820659A patent/FR2397546B1/fr not_active Expired
- 1978-07-11 NL NLAANVRAGE7807463,A patent/NL182239C/xx not_active IP Right Cessation
- 1978-07-12 BR BR7804499A patent/BR7804499A/pt unknown
- 1978-07-12 JP JP8411478A patent/JPS5439202A/ja active Granted
- 1978-07-12 CH CH756078A patent/CH635899A5/de not_active IP Right Cessation
- 1978-07-12 WO PCT/US1978/000042 patent/WO1979000043A1/en unknown
- 1978-07-12 GB GB7829671A patent/GB2001135B/en not_active Expired
- 1978-07-13 IT IT25675/78A patent/IT1097154B/it active
- 1978-07-13 MX MX174163A patent/MX146552A/es unknown
- 1978-07-13 AR AR272941A patent/AR215323A1/es active
-
1979
- 1979-01-02 SU SU2733401A patent/SU1253435A3/ru active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5027405B2 (es) * | 1973-05-18 | 1975-09-08 |
Also Published As
Publication number | Publication date |
---|---|
AR215323A1 (es) | 1979-09-28 |
AU530089B2 (en) | 1983-06-30 |
IT1097154B (it) | 1985-08-26 |
CH635899A5 (de) | 1983-04-29 |
SU1253435A3 (ru) | 1986-08-23 |
DE2830294C3 (de) | 1981-11-19 |
GB2001135A (en) | 1979-01-24 |
NL7807463A (nl) | 1979-01-16 |
NL182239C (nl) | 1988-02-01 |
FR2397546B1 (fr) | 1985-11-29 |
GB2001135B (en) | 1982-01-27 |
IN149314B (es) | 1981-10-24 |
MX146552A (es) | 1982-07-07 |
DE2830294B2 (de) | 1981-03-19 |
DE2830294A1 (de) | 1979-01-25 |
JPS5439202A (en) | 1979-03-26 |
AU3785378A (en) | 1980-01-10 |
FR2397546A1 (fr) | 1979-02-09 |
BR7804499A (pt) | 1979-03-06 |
WO1979000043A1 (en) | 1979-02-08 |
ZA783845B (en) | 1979-07-25 |
IT7825675A0 (it) | 1978-07-13 |
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