CH623895A5 - - Google Patents
Download PDFInfo
- Publication number
- CH623895A5 CH623895A5 CH1645176A CH1645176A CH623895A5 CH 623895 A5 CH623895 A5 CH 623895A5 CH 1645176 A CH1645176 A CH 1645176A CH 1645176 A CH1645176 A CH 1645176A CH 623895 A5 CH623895 A5 CH 623895A5
- Authority
- CH
- Switzerland
- Prior art keywords
- rotor
- compressor
- stage
- speed
- axial compressor
- Prior art date
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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0261—Surge control by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/024—Multi-stage pumps with contrarotating parts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/765,056 US4132675A (en) | 1976-02-11 | 1977-02-02 | CIS-Oct-6-en-1-al perfumes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2307603 | 1976-01-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH623895A5 true CH623895A5 (pt) | 1981-06-30 |
Family
ID=20643368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1645176A CH623895A5 (pt) | 1976-01-04 | 1976-12-29 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4147473A (pt) |
JP (1) | JPS52109609A (pt) |
CH (1) | CH623895A5 (pt) |
CS (1) | CS184298B1 (pt) |
DE (1) | DE2659531A1 (pt) |
FR (1) | FR2337268A1 (pt) |
IT (1) | IT1077551B (pt) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3802336C1 (en) * | 1988-01-27 | 1989-04-06 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | Fan arrangement for battery and solar operation |
US6053703A (en) * | 1995-06-19 | 2000-04-25 | Ebara Corporation | Control method for displacement-type fluid machine, and apparatus thereof |
US7938627B2 (en) | 2004-11-12 | 2011-05-10 | Board Of Trustees Of Michigan State University | Woven turbomachine impeller |
EP2824330A1 (en) * | 2013-07-12 | 2015-01-14 | Johnson Controls Denmark ApS | An axial compressor and use of an axial compressor |
RU2667532C1 (ru) * | 2014-02-03 | 2018-09-21 | Нуово Пиньоне СРЛ | Многоступенчатая турбомашина со встроенными электродвигателями |
US9982676B2 (en) | 2014-11-18 | 2018-05-29 | Rolls-Royce North American Technologies Inc. | Split axial-centrifugal compressor |
US10329943B2 (en) | 2014-11-18 | 2019-06-25 | Rolls-Royce North American Technologies Inc. | Split axial-centrifugal compressor |
US20160230768A1 (en) * | 2015-02-08 | 2016-08-11 | Hyperloop Technologies, Inc. | Axial compressor configuration |
US11015848B2 (en) * | 2016-04-20 | 2021-05-25 | Danfoss A/S | Axial flow compressor for HVAC chiller systems |
US20180073779A1 (en) * | 2016-09-15 | 2018-03-15 | Daikin Applied Americas Inc. | Centrifugal compressor |
EP3301276A1 (en) * | 2016-09-28 | 2018-04-04 | Siemens Aktiengesellschaft | A rotating device and a compressor assembly for controlling mass flow in a gas turbine |
FR3058481B1 (fr) * | 2016-11-08 | 2020-10-30 | Air Liquide | Compresseur axial comportant des rotors juxtaposes tournant dans des directions inverses |
CN108443150B (zh) * | 2018-01-30 | 2023-11-14 | 天津大学 | 新能源汽车用一体式电动双转子压缩机 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB596903A (en) * | 1945-08-03 | 1948-01-13 | Power Jets Res & Dev Ltd | Improvements in or relating to compressors or the like |
US2194054A (en) * | 1939-03-30 | 1940-03-19 | Laval Steam Turbine Co | Pumping system |
GB586566A (en) * | 1942-10-20 | 1947-03-24 | Karl Baumann | Improvements in axial flow air compressors |
GB576498A (en) * | 1942-11-18 | 1946-04-08 | Charles Graham Lloyd | Improvements in axial flow compressors |
US2461931A (en) * | 1943-01-04 | 1949-02-15 | Vickers Electrical Co Ltd | Multistage compressor |
US2828066A (en) * | 1954-07-05 | 1958-03-25 | Sulzer Ag | Turbocompressor plant |
US2960825A (en) * | 1955-10-19 | 1960-11-22 | Thompson Ramo Wooldridge Inc | Reexpansion gas turbine engine with differential compressor drive |
US3083893A (en) * | 1960-06-02 | 1963-04-02 | Benson Mfg Co | Contra-rotating blower |
US3088414A (en) * | 1960-10-07 | 1963-05-07 | Dominion Eng Works Ltd | Self-adjusting contra rotating axial flow pumps and turbines |
US3767318A (en) * | 1971-05-10 | 1973-10-23 | Mitsui Shipbuilding Eng | Method of controlling multi-casing variable speed compressors |
-
1976
- 1976-12-29 CS CS7600008752A patent/CS184298B1/cs unknown
- 1976-12-29 CH CH1645176A patent/CH623895A5/de not_active IP Right Cessation
- 1976-12-30 DE DE19762659531 patent/DE2659531A1/de not_active Ceased
-
1977
- 1977-01-03 FR FR7700023A patent/FR2337268A1/fr active Granted
- 1977-01-03 IT IT19007/77A patent/IT1077551B/it active
- 1977-01-03 US US05/756,540 patent/US4147473A/en not_active Expired - Lifetime
- 1977-01-04 JP JP21077A patent/JPS52109609A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2659531A1 (de) | 1977-07-14 |
JPS52109609A (en) | 1977-09-14 |
IT1077551B (it) | 1985-05-04 |
US4147473A (en) | 1979-04-03 |
CS184298B1 (en) | 1978-08-31 |
FR2337268A1 (fr) | 1977-07-29 |
FR2337268B1 (pt) | 1979-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |