EP0179658A3 - Surge control system - Google Patents
Surge control system Download PDFInfo
- Publication number
- EP0179658A3 EP0179658A3 EP85307666A EP85307666A EP0179658A3 EP 0179658 A3 EP0179658 A3 EP 0179658A3 EP 85307666 A EP85307666 A EP 85307666A EP 85307666 A EP85307666 A EP 85307666A EP 0179658 A3 EP0179658 A3 EP 0179658A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- surge
- control system
- centrifugal exhauster
- drive motor
- suction pipe
- 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
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/08—Felts
- D21F7/12—Drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- 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
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/10—Purpose of the control system to cope with, or avoid, compressor flow instabilities
Landscapes
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Paper (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Control Of Eletrric Generators (AREA)
- Drying Of Solid Materials (AREA)
- Buffer Packaging (AREA)
- Filtration Of Liquid (AREA)
- Medicines Containing Plant Substances (AREA)
- Measuring Volume Flow (AREA)
- Centrifugal Separators (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Making Paper Articles (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85307666T ATE43377T1 (en) | 1984-10-26 | 1985-10-24 | VACUUM MONITORING SYSTEM. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66502684A | 1984-10-26 | 1984-10-26 | |
US665026 | 1996-06-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0179658A2 EP0179658A2 (en) | 1986-04-30 |
EP0179658A3 true EP0179658A3 (en) | 1987-01-28 |
EP0179658B1 EP0179658B1 (en) | 1989-05-24 |
Family
ID=24668408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85307666A Expired EP0179658B1 (en) | 1984-10-26 | 1985-10-24 | Surge control system |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0179658B1 (en) |
JP (1) | JPS61108790A (en) |
KR (1) | KR920000753B1 (en) |
AT (1) | ATE43377T1 (en) |
AU (1) | AU570120B2 (en) |
CA (1) | CA1251673A (en) |
DE (1) | DE3570470D1 (en) |
FI (1) | FI81147C (en) |
NO (1) | NO167219C (en) |
ZA (1) | ZA854989B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI125258B (en) * | 2010-07-19 | 2015-08-14 | Runtech Systems Oy | Method of controlling a vacuum centrifugal fan with adjustable rotational speed |
US8961149B2 (en) | 2010-07-19 | 2015-02-24 | Runtech Systems Oy | Method for controlling a regulated-rotation-speed low-pressure centrifugal fan |
CN102337558B (en) * | 2011-11-03 | 2013-12-11 | 北京化工大学 | Method for installing and sealing oxygen diffusion electrode of ionic membrane electrolytic cell |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398996A (en) * | 1981-06-19 | 1983-08-16 | Albany International Corp. | Vacuum control system and method for dewatering fabrics |
US4493608A (en) * | 1982-12-27 | 1985-01-15 | General Electric Company | Surge control in compressor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4734896U (en) * | 1971-05-08 | 1972-12-18 | ||
US4308077A (en) * | 1979-12-06 | 1981-12-29 | Albany International Corp. | Constant flow felt dewatering system |
US4329201A (en) * | 1979-12-06 | 1982-05-11 | Albany International Corp. | Constant vacuum felt dewatering system |
-
1985
- 1985-06-20 AU AU43895/85A patent/AU570120B2/en not_active Ceased
- 1985-06-28 FI FI852589A patent/FI81147C/en not_active IP Right Cessation
- 1985-07-02 ZA ZA854989A patent/ZA854989B/en unknown
- 1985-10-03 JP JP60219293A patent/JPS61108790A/en active Granted
- 1985-10-15 KR KR1019850007594A patent/KR920000753B1/en active IP Right Grant
- 1985-10-24 DE DE8585307666T patent/DE3570470D1/en not_active Expired
- 1985-10-24 AT AT85307666T patent/ATE43377T1/en active
- 1985-10-24 EP EP85307666A patent/EP0179658B1/en not_active Expired
- 1985-10-25 NO NO854284A patent/NO167219C/en unknown
- 1985-10-25 CA CA000493845A patent/CA1251673A/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398996A (en) * | 1981-06-19 | 1983-08-16 | Albany International Corp. | Vacuum control system and method for dewatering fabrics |
US4493608A (en) * | 1982-12-27 | 1985-01-15 | General Electric Company | Surge control in compressor |
Also Published As
Publication number | Publication date |
---|---|
ATE43377T1 (en) | 1989-06-15 |
DE3570470D1 (en) | 1989-06-29 |
EP0179658A2 (en) | 1986-04-30 |
NO167219B (en) | 1991-07-08 |
JPS61108790A (en) | 1986-05-27 |
ZA854989B (en) | 1986-05-28 |
FI81147B (en) | 1990-05-31 |
JPH032992B2 (en) | 1991-01-17 |
EP0179658B1 (en) | 1989-05-24 |
KR920000753B1 (en) | 1992-01-21 |
FI81147C (en) | 1990-09-10 |
FI852589L (en) | 1986-04-27 |
CA1251673A (en) | 1989-03-28 |
NO854284L (en) | 1986-04-28 |
AU570120B2 (en) | 1988-03-03 |
AU4389585A (en) | 1986-05-01 |
KR860003385A (en) | 1986-05-23 |
FI852589A0 (en) | 1985-06-28 |
NO167219C (en) | 1991-10-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4329201A (en) | Constant vacuum felt dewatering system | |
CA1170092A (en) | Vacuum control system for dewatering fabrics | |
SE8900329L (en) | POWERABLE HELTORR TYPE MOTOR PUMP WITH CORRESPONDED SEALING SYSTEM | |
DE3570470D1 (en) | Surge control system | |
AU3945797A (en) | Improved performance centrifugal blower apparatus including at least two suction inlets, and associated blower method | |
US4308077A (en) | Constant flow felt dewatering system | |
EP0268303A3 (en) | Attaching arrangement | |
EP0763625A3 (en) | Apparatus in a papermaking machine for transferring a fluid from a first level to a second, higher level | |
US4466873A (en) | Vacuum dual control system for the flat box section of a papermaking machine | |
JPS5623147A (en) | Sheet clamper | |
MX9704902A (en) | Direction control apparatus for condenser fan. | |
JPS5534116A (en) | Aeration device | |
EP0475535B1 (en) | Device for transporting paper, such as in the shape of sheets, in printing presses, bookbinding machines and such like | |
GB2101365A (en) | Vacuum control system and method for dewatering a web of paper | |
EP0258525A3 (en) | Vacuum dewatering installation | |
SU967819A2 (en) | Dust receptacle to belt-grinding machine | |
FR2655746B1 (en) | METHOD FOR CONTROLLING AN AUTOMATIC DRAWING MACHINE OF THE TYPE IN WHICH THE PAPER IS DRAWN. | |
EP0792397A1 (en) | Method for dewatering in paper manufacture | |
DE69900324D1 (en) | Distributor | |
Hansen | Water Management for the Single Wire Machine. | |
EP0243072A3 (en) | Engine speed governor | |
AU567379B2 (en) | Method for compressing fibre cement sheets | |
CA2024625A1 (en) | Underground mining method and system | |
SE9002504D0 (en) | concentrator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19870324 |
|
17Q | First examination report despatched |
Effective date: 19880408 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
REF | Corresponds to: |
Ref document number: 43377 Country of ref document: AT Date of ref document: 19890615 Kind code of ref document: T |
|
ITF | It: translation for a ep patent filed |
Owner name: SOCIETA' ITALIANA BREVETTI S.P.A. |
|
REF | Corresponds to: |
Ref document number: 3570470 Country of ref document: DE Date of ref document: 19890629 |
|
ET | Fr: translation filed | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19891031 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19900917 Year of fee payment: 6 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19900918 Year of fee payment: 6 Ref country code: CH Payment date: 19900918 Year of fee payment: 6 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 19900919 Year of fee payment: 6 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 19900921 Year of fee payment: 6 Ref country code: LU Payment date: 19900921 Year of fee payment: 6 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 19900926 Year of fee payment: 6 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19901001 Year of fee payment: 6 |
|
ITTA | It: last paid annual fee | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 19901031 Year of fee payment: 6 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Effective date: 19911024 Ref country code: AT Effective date: 19911024 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Effective date: 19911025 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Effective date: 19911031 Ref country code: CH Effective date: 19911031 Ref country code: BE Effective date: 19911031 |
|
BERE | Be: lapsed |
Owner name: ALBANY INTERNATIONAL CORP. Effective date: 19911031 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Effective date: 19920501 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee | ||
GBPC | Gb: european patent ceased through non-payment of renewal fee | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Effective date: 19920630 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Effective date: 19920701 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
EUG | Se: european patent has lapsed |
Ref document number: 85307666.9 Effective date: 19920510 |