FR2451417A1 - Dispositif et procede pour attenuer les pulsations des fluides couvrant une large game de frequences - Google Patents
Dispositif et procede pour attenuer les pulsations des fluides couvrant une large game de frequencesInfo
- Publication number
- FR2451417A1 FR2451417A1 FR8005605A FR8005605A FR2451417A1 FR 2451417 A1 FR2451417 A1 FR 2451417A1 FR 8005605 A FR8005605 A FR 8005605A FR 8005605 A FR8005605 A FR 8005605A FR 2451417 A1 FR2451417 A1 FR 2451417A1
- Authority
- FR
- France
- Prior art keywords
- pulsations
- liquid
- branches
- diaphragm
- attenuating
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/06—Regulating pulp flow
- D21F1/065—Shock-absorbing devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Pipe Accessories (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Fluid-Damping Devices (AREA)
- Pens And Brushes (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
LA PRESENTE INVENTION CONCERNE UN ATTENUATEUR D'INSERTION FONCTIONNANT COMME FILTRE DE REJET A LARGE BANDE DE FREQUENCES POUR ATTENUER LES PULSATIONS RENCONTREES PAR EXEMPLE DANS L'ECOULEMENT D'UN COMPARTIMENT DE TETE D'UNE MACHINE A PAPIER. SELON L'INVENTION, L'ECOULEMENT LIQUIDE TRAVERSE DEUX COMPARTIMENTS SITUES RESPECTIVEMENT AU-DESSUS ET EN DESSOUS DES DEUX CHAMBRES D'UN DIAPHRAGME25. DE L'AIR COMPRIME INTRODUIT PAR LES ORIFICES47 ENTOURE LA CONDUITE13 ET PEUT PENETRER DANS LECOMPARTIMENT SITUE ENTRE LES DEUX BRANCHES A TRAVERS DEUX FEUTRES POREUX51 SITUES DE PART ET D'AUTRE. LORSQUE LA PRESSION DU LIQUIDE DIMINUE BRUSQUEMENT, LA DEFLECTION DES DEUX BRANCHES DU DIAPHRAGME DECOUVRE DEUX ORIFICES56A, 57A PAR LESQUELS LE GAZ EXCEDENTAIRE EST EVACUE, LES PRESSIONS DU LIQUIDE ET DU GAZ ETANT AINSI DE NOUVEAU EQUILIBREES. CE MAINTIEN DU DIAPHRAGME DANS UNE POSITION NEUTRE ET SENSIBLE LUI PERMET DE DEFLECHIR INSTANTANEMENT DANS LES DEUX SENS SELON LES BESOINS POUR ABSORBER LES PULSATIONS DU LIQUIDE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/021,082 US4262700A (en) | 1979-03-16 | 1979-03-16 | Broad-band pulsation attenuator |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2451417A1 true FR2451417A1 (fr) | 1980-10-10 |
FR2451417B1 FR2451417B1 (fr) | 1984-12-07 |
Family
ID=21802245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8005605A Granted FR2451417A1 (fr) | 1979-03-16 | 1980-03-13 | Dispositif et procede pour attenuer les pulsations des fluides couvrant une large game de frequences |
Country Status (16)
Country | Link |
---|---|
US (1) | US4262700A (fr) |
JP (1) | JPS5945792B2 (fr) |
KR (1) | KR840000219B1 (fr) |
AR (1) | AR220450A1 (fr) |
BR (1) | BR8001530A (fr) |
CA (1) | CA1112088A (fr) |
DE (1) | DE3010158C2 (fr) |
ES (1) | ES489357A0 (fr) |
FI (1) | FI800551A (fr) |
FR (1) | FR2451417A1 (fr) |
GB (1) | GB2046841B (fr) |
IN (1) | IN151613B (fr) |
IT (1) | IT1151057B (fr) |
MX (1) | MX148898A (fr) |
PH (1) | PH17283A (fr) |
SE (1) | SE448775B (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4308095A (en) * | 1980-07-18 | 1981-12-29 | Beloit Corporation | Extended low frequency range pulsation attenuator |
DE3134783A1 (de) * | 1981-09-02 | 1983-03-17 | Naučno-proizvodstvennoe ob"edinenie bumagodelatel'nogo mašinostroenija, Leningrad | Papiermaschinen-stoffauflauf |
IT1190988B (it) * | 1982-09-07 | 1988-02-24 | Mondadori Editore Spa | Dispositivo e procedimento di attenuazione di pulsazioni di pressione in fluidi,in particolare per macchine continue di produzione di nastri di carta |
US4637434A (en) * | 1985-06-07 | 1987-01-20 | Beloit Corporation | Three-way valve for an attenuator |
US4750523A (en) * | 1987-10-30 | 1988-06-14 | Beloit Corporation | Active attenuator and method |
DE4441217C2 (de) * | 1993-12-17 | 1998-09-10 | Voith Sulzer Papiermasch Gmbh | Verfahren zur Dämpfung von Druckstößen sowie Vorrichtung zur Durchführung des Verfahrens |
US6210534B1 (en) * | 1999-05-12 | 2001-04-03 | Voith Sulzer Paper Technology North America, Inc. | Trim squirt for a paper-making machine |
US20070107981A1 (en) * | 2005-10-07 | 2007-05-17 | Sicotte Jason M | Exhaust silencer |
PL1987329T3 (pl) | 2006-02-01 | 2011-12-30 | Astenjohnson Inc | Skrzynia przelewowa i system dostarczania surowca w maszynie do produkcji papieru |
JP5569573B2 (ja) * | 2012-03-05 | 2014-08-13 | 株式会社デンソー | 高圧ポンプ |
EP3501571B1 (fr) * | 2017-12-22 | 2024-04-10 | Baxter International Inc. | Ensemble de perfusion destiné à mesurer des signaux vitaux d'un patient comprenant un élément de conformité et un élément réfléchissant |
WO2023198545A2 (fr) * | 2022-04-12 | 2023-10-19 | Voith Patent Gmbh | Dispositif d'amortissement et membrane pour une caisse de tête d'une machine pour produire une bande de matière fibreuse |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB730582A (en) * | 1952-05-08 | 1955-05-25 | British Petroleum Co | Improvements relating to piping systems for loading or unloading oil tankers |
US2852033A (en) * | 1956-06-19 | 1958-09-16 | Chamberlain Corp | Anti-surge assembly |
FR1230571A (fr) * | 1959-04-01 | 1960-09-16 | Accumulateur hydro-pneumatique anti-bélier | |
US3103234A (en) * | 1961-02-08 | 1963-09-10 | Beloit Iron Works | Fluid flow surge dampening system |
FR1441318A (fr) * | 1965-07-28 | 1966-06-03 | Airtherm Consulting Ag | Procédé et dispositif pour l'amortissement du bruit dans un courant de fluide gazeux |
US4030971A (en) * | 1974-12-13 | 1977-06-21 | Beloit Corporation | System compensating for pressure fluctuations in a paper machine headbox |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US596062A (en) * | 1897-12-28 | Device for preventing bursting of freezing pipes | ||
US2766840A (en) * | 1951-04-21 | 1956-10-16 | Webster Electric Co Inc | Vibration absorber |
US3063470A (en) * | 1959-02-25 | 1962-11-13 | Westinghouse Air Brake Co | Pulsation dampener device |
US3130751A (en) * | 1962-05-16 | 1964-04-28 | Time Inc | Apparatus for damping pulses in a fluid |
US3473565A (en) * | 1966-05-25 | 1969-10-21 | Josam Mfg Co | Shock absorber for liquid flow lines |
GB1562296A (en) * | 1975-10-29 | 1980-03-12 | Beloit Corp | Paper-making machine stock supply system |
-
1979
- 1979-03-16 US US06/021,082 patent/US4262700A/en not_active Expired - Lifetime
-
1980
- 1980-02-22 CA CA346,291A patent/CA1112088A/fr not_active Expired
- 1980-02-22 GB GB8006036A patent/GB2046841B/en not_active Expired
- 1980-02-25 FI FI800551A patent/FI800551A/fi not_active Application Discontinuation
- 1980-03-04 JP JP55026223A patent/JPS5945792B2/ja not_active Expired
- 1980-03-08 ES ES489357A patent/ES489357A0/es active Granted
- 1980-03-12 IT IT20518/80A patent/IT1151057B/it active
- 1980-03-12 PH PH23758A patent/PH17283A/en unknown
- 1980-03-13 FR FR8005605A patent/FR2451417A1/fr active Granted
- 1980-03-13 MX MX181534A patent/MX148898A/es unknown
- 1980-03-14 BR BR8001530A patent/BR8001530A/pt not_active IP Right Cessation
- 1980-03-14 KR KR1019800001069A patent/KR840000219B1/ko active
- 1980-03-14 SE SE8002014A patent/SE448775B/sv not_active IP Right Cessation
- 1980-03-14 AR AR280320A patent/AR220450A1/es active
- 1980-03-15 IN IN295/CAL/80A patent/IN151613B/en unknown
- 1980-03-17 DE DE3010158A patent/DE3010158C2/de not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB730582A (en) * | 1952-05-08 | 1955-05-25 | British Petroleum Co | Improvements relating to piping systems for loading or unloading oil tankers |
US2852033A (en) * | 1956-06-19 | 1958-09-16 | Chamberlain Corp | Anti-surge assembly |
FR1230571A (fr) * | 1959-04-01 | 1960-09-16 | Accumulateur hydro-pneumatique anti-bélier | |
US3103234A (en) * | 1961-02-08 | 1963-09-10 | Beloit Iron Works | Fluid flow surge dampening system |
FR1441318A (fr) * | 1965-07-28 | 1966-06-03 | Airtherm Consulting Ag | Procédé et dispositif pour l'amortissement du bruit dans un courant de fluide gazeux |
US4030971A (en) * | 1974-12-13 | 1977-06-21 | Beloit Corporation | System compensating for pressure fluctuations in a paper machine headbox |
Also Published As
Publication number | Publication date |
---|---|
BR8001530A (pt) | 1980-11-11 |
JPS5945792B2 (ja) | 1984-11-08 |
KR840000219B1 (ko) | 1984-02-29 |
MX148898A (es) | 1983-06-29 |
CA1112088A (fr) | 1981-11-10 |
GB2046841A (en) | 1980-11-19 |
US4262700A (en) | 1981-04-21 |
SE448775B (sv) | 1987-03-16 |
IT1151057B (it) | 1986-12-17 |
GB2046841B (en) | 1983-06-15 |
FR2451417B1 (fr) | 1984-12-07 |
KR830002109A (ko) | 1983-05-21 |
IT8020518A0 (it) | 1980-03-12 |
JPS55128096A (en) | 1980-10-03 |
PH17283A (en) | 1984-07-06 |
SE8002014L (sv) | 1980-09-17 |
DE3010158A1 (de) | 1980-09-25 |
IT8020518A1 (it) | 1981-09-12 |
FI800551A (fi) | 1980-09-17 |
IN151613B (fr) | 1983-06-11 |
ES8100515A1 (es) | 1980-11-01 |
ES489357A0 (es) | 1980-11-01 |
DE3010158C2 (de) | 1983-12-22 |
AR220450A1 (es) | 1980-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2451417A1 (fr) | Dispositif et procede pour attenuer les pulsations des fluides couvrant une large game de frequences | |
GB1221625A (en) | Gas purging fluid filter | |
EP0650050B1 (fr) | Cellule d'analyse électrochimique avec boítier perméable au gaz | |
ES480883A1 (es) | Un dispositivo indicador para indicar cuando se ha excedido una diferencia de presion preseleccionada. | |
JPH0513249B2 (fr) | ||
US3056281A (en) | Porosity testing of papermaker's felt | |
GB1227449A (fr) | ||
SE8803327D0 (sv) | Forfarande och anordning for metning av luftgenomsleppningsformagan hos luftgenomsleppliga vevnader i synnerhet en vira eller en filt i en pappersmaskin | |
US2293707A (en) | Gyroscopic instrument | |
GB2001444A (en) | Measuring permeability of paper | |
GB508828A (en) | Improvements in and relating to measuring or verifying apparatus | |
SU800821A1 (ru) | Ячейка дл измерени потенциалапРОТЕКАНи B пОРиСТыХ МАТЕРиАлАХ | |
US1252975A (en) | Gas-testing apparatus. | |
USRE28694E (en) | Fluidic clinometer control apparatus | |
SU823924A1 (ru) | Шуп-натекатель течеискател | |
RU2068172C1 (ru) | Магнитный сферический компас | |
GB781864A (en) | Improvements relating to oil filters | |
SU641319A1 (ru) | Пьезометрический концентратомер" жидкости | |
SU1034754A1 (ru) | Мембранный аппарат | |
GB847222A (en) | Method of and apparatus for separating out water, especially from liquid fuels | |
SU581401A1 (ru) | Устройство дл гашени колебаний давлени | |
SE8202120L (sv) | Trycksensor | |
NEMEC | The prominence telescope as a high performance instrument. IV(Red interference filter design for high performance prominence telescope for H alpha line observation) | |
SU85008A1 (ru) | Прибор дл определени газообразных примесей в воздухе | |
SU1062379A1 (ru) | Устройство дл контрол качества опрессовки колонны обсадных труб |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |