IN149718B - - Google Patents
Info
- Publication number
- IN149718B IN149718B IN1641/CAL/77A IN1641CA1977A IN149718B IN 149718 B IN149718 B IN 149718B IN 1641CA1977 A IN1641CA1977 A IN 1641CA1977A IN 149718 B IN149718 B IN 149718B
- Authority
- IN
- India
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)
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 |
|---|---|
| IN149718B true IN149718B (enExample) | 1982-03-27 |
Family
ID=25021829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1641/CAL/77A IN149718B (enExample) | 1976-12-16 | 1977-11-23 |
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)
| 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 |
| US7008184B2 (en) * | 2002-08-14 | 2006-03-07 | Bettencourt Jr Harold Ray | Control for cooling fan |
| US6729844B2 (en) * | 2002-08-14 | 2004-05-04 | Harold Ray Bettencourt | Controller for variable pitch fan system |
| 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)
| 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 |
-
1976
- 1976-12-16 US US05/751,404 patent/US4135854A/en not_active Expired - Lifetime
-
1977
- 1977-11-16 ZA ZA00776851A patent/ZA776851B/xx unknown
- 1977-11-23 IN IN1641/CAL/77A patent/IN149718B/en unknown
- 1977-12-08 GB GB51128/77A patent/GB1597172A/en not_active Expired
- 1977-12-09 AU AU31416/77A patent/AU517192B2/en not_active Expired
- 1977-12-13 ES ES465011A patent/ES465011A1/es not_active Expired
- 1977-12-15 IT IT41729/77A patent/IT1092629B/it active
- 1977-12-16 FR FR7738088A patent/FR2374542A1/fr not_active Withdrawn
- 1977-12-16 JP JP15074377A patent/JPS5376431A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU3141677A (en) | 1979-06-14 |
| ES465011A1 (es) | 1979-06-01 |
| IT1092629B (it) | 1985-07-12 |
| AU517192B2 (en) | 1981-07-16 |
| US4135854A (en) | 1979-01-23 |
| FR2374542A1 (fr) | 1978-07-13 |
| JPS5376431A (en) | 1978-07-06 |
| ZA776851B (en) | 1978-09-27 |
| GB1597172A (en) | 1981-09-03 |