GB1597172A - Control system for variable-pitch axial fan for utility boiler - Google Patents

Control system for variable-pitch axial fan for utility boiler Download PDF

Info

Publication number
GB1597172A
GB1597172A GB51128/77A GB5112877A GB1597172A GB 1597172 A GB1597172 A GB 1597172A GB 51128/77 A GB51128/77 A GB 51128/77A GB 5112877 A GB5112877 A GB 5112877A GB 1597172 A GB1597172 A GB 1597172A
Authority
GB
United Kingdom
Prior art keywords
pitch
fan
signal
rise
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
Application number
GB51128/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1597172A publication Critical patent/GB1597172A/en
Expired legal-status Critical Current

Links

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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • 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
    • F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air Supply (AREA)
GB51128/77A 1976-12-16 1977-12-08 Control system for variable-pitch axial fan for utility boiler Expired GB1597172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/751,404 US4135854A (en) 1976-12-16 1976-12-16 Control system for variable pitch axial fan for utility boiler

Publications (1)

Publication Number Publication Date
GB1597172A true GB1597172A (en) 1981-09-03

Family

ID=25021829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51128/77A Expired GB1597172A (en) 1976-12-16 1977-12-08 Control system for variable-pitch axial fan for utility boiler

Country Status (9)

Country Link
US (1) US4135854A (enExample)
JP (1) JPS5376431A (enExample)
AU (1) AU517192B2 (enExample)
ES (1) ES465011A1 (enExample)
FR (1) FR2374542A1 (enExample)
GB (1) GB1597172A (enExample)
IN (1) IN149718B (enExample)
IT (1) IT1092629B (enExample)
ZA (1) ZA776851B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3346633C1 (de) * 1983-12-23 1984-10-25 J.M. Voith Gmbh, 7920 Heidenheim Verfahren zur Pumpgrenzregelung von Axialventilatoren
US6328051B1 (en) * 2000-06-28 2001-12-11 Mks Instruments, Inc. Dual pendulum valve assembly
US6729844B2 (en) * 2002-08-14 2004-05-04 Harold Ray Bettencourt Controller for variable pitch fan system
US7008184B2 (en) * 2002-08-14 2006-03-07 Bettencourt Jr Harold Ray Control for cooling fan
US8814639B1 (en) * 2008-10-29 2014-08-26 Climatecraft Technologies, Inc. Fan system comprising fan array with surge control
US10527047B2 (en) 2017-01-25 2020-01-07 Energy Labs, Inc. Active stall prevention in centrifugal fans
CN110985429A (zh) * 2019-12-17 2020-04-10 浙江浙能技术研究院有限公司 一种检测及消除风机失速的控制装置及方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2202793A (en) * 1939-04-06 1940-05-28 B F Sturtevant Co Fan system
US2407925A (en) * 1943-03-27 1946-09-17 Chrysler Corp Apparatus for comparing pressures
US2409837A (en) * 1944-04-21 1946-10-22 Gen Electric Centrifugal type compressor
US2661145A (en) * 1947-03-11 1953-12-01 Guardite Corp Antisurge control for refrigeration compressors
US2477954A (en) * 1947-04-01 1949-08-02 Blanc Jacques Jean Louis Gas turbine
GB674657A (en) * 1950-02-21 1952-06-25 Nordisk Ventilator Improvements in and relating to blowers with axial exhaust
DE1019046B (de) * 1954-09-09 1957-11-07 Demag Ag Klemmvorrichtung zur stufenlosen Festlegung von hydraulisch verstellbaren Propellerfluegeln fuer Axialverdichter
US2938536A (en) * 1957-10-29 1960-05-31 Honeywell Regulator Co Controller
US3292845A (en) * 1963-03-06 1966-12-20 Shell Oil Co Method for preventing surging of compressors
CH517253A (de) * 1970-06-23 1971-12-31 Bbc Sulzer Turbomaschinen Einrichtung zur Regelung eines Turboverdichters
US3695774A (en) 1971-06-01 1972-10-03 Lyle F Martz Blower system and control system therefor
DE2155311A1 (de) * 1971-11-06 1973-05-10 Daimler Benz Ag Vorrichtung zur steuerung eines turbokompressors
FR2163919A5 (enExample) * 1971-12-07 1973-07-27 Onera (Off Nat Aerospatiale)
JPS5199307A (ja) * 1975-02-27 1976-09-01 Sumitomo Metal Ind Sofukinosaajinguboshisochi
US4102604A (en) * 1977-05-04 1978-07-25 Compressor Controls Corporation Method and apparatus for noninteracting control of a dynamic compressor having rotating vanes

Also Published As

Publication number Publication date
ES465011A1 (es) 1979-06-01
JPS5376431A (en) 1978-07-06
AU3141677A (en) 1979-06-14
US4135854A (en) 1979-01-23
FR2374542A1 (fr) 1978-07-13
IN149718B (enExample) 1982-03-27
AU517192B2 (en) 1981-07-16
IT1092629B (it) 1985-07-12
ZA776851B (en) 1978-09-27

Similar Documents

Publication Publication Date Title
US4257733A (en) Diffuser control
US4219305A (en) Diffuser control
US4252498A (en) Control systems for multi-stage axial flow compressors
US20100263391A1 (en) Control Device for HVAC Systems with Inlet and Outlet Flow Control Devices
US3964675A (en) Appartus for limiting vacuum and pressure in a furnace
EP0378658B1 (en) Surge protected gas turbine engine for providing variable bleed air flow
KR20150134397A (ko) 터보압축기를 제어하기 위한 방법 및 시스템
JPH0610885A (ja) 遠心圧縮機のサージ制御及び回復
CA1087047A (en) Compressor surge control
US3372862A (en) Centrifugal compressor
US4135854A (en) Control system for variable pitch axial fan for utility boiler
EP0212971A2 (en) System and method of controlling compressor surge
US4149371A (en) Air supply control system
CN101600887B (zh) 控制涡轮压缩机的方法
CA1194009A (en) Vented compressor inlet guide
EP0044564A1 (en) Turbo compressor having a surge suppressing arrangement
JP2954754B2 (ja) ガスタービンシステムの運転制御装置及び加圧流動床ボイラ発電プラント
JPH042763B2 (enExample)
US2986327A (en) Axial flow centrifugal compressor and surge control system therefor
US4205631A (en) Pressure limiting control for an inlet draft fan in an electric power plant
US4402303A (en) Fan flow control device
US2984404A (en) Control mechanism
KR810001685B1 (ko) 다용도 보일러의 가변피치축류팬의 제어시스템
US3744925A (en) Apparatus for regulating a turbo-compressor
EP0012895B1 (en) Centrifugal vapor compressor and a diffuser control therefor

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee