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
- 238000000034 method Methods 0.000 claims description 30
- 239000007789 gas Substances 0.000 description 31
- 230000008859 change Effects 0.000 description 14
- 238000000926 separation method Methods 0.000 description 13
- 230000009467 reduction Effects 0.000 description 12
- 230000007423 decrease Effects 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
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)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (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 (OSRAM) | 1981-06-30 |
Family
ID=20643368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1645176A CH623895A5 (OSRAM) | 1976-01-04 | 1976-12-29 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4147473A (OSRAM) |
| JP (1) | JPS52109609A (OSRAM) |
| CH (1) | CH623895A5 (OSRAM) |
| CS (1) | CS184298B1 (OSRAM) |
| DE (1) | DE2659531A1 (OSRAM) |
| FR (1) | FR2337268A1 (OSRAM) |
| IT (1) | IT1077551B (OSRAM) |
Families Citing this family (14)
| 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 |
| EP2302172A1 (en) | 2004-11-12 | 2011-03-30 | Board of Trustees of Michigan State University | Machine comprising an electromagnetic woven rotor and manufacturing method |
| EP2824330A1 (en) * | 2013-07-12 | 2015-01-14 | Johnson Controls Denmark ApS | An axial compressor and use of an axial compressor |
| CN106164495B (zh) | 2014-02-03 | 2020-03-13 | 诺沃皮尼奥内股份有限公司 | 具有嵌入的电动机的多级涡轮机 |
| 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 |
| WO2017184804A1 (en) * | 2016-04-20 | 2017-10-26 | 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 |
| CN115750318B (zh) * | 2022-11-25 | 2024-10-01 | 重庆长安新能源汽车科技有限公司 | 用于空气压缩机的测试方法及空气压缩机 |
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 CH CH1645176A patent/CH623895A5/de not_active IP Right Cessation
- 1976-12-29 CS CS7600008752A patent/CS184298B1/cs unknown
- 1976-12-30 DE DE19762659531 patent/DE2659531A1/de not_active Ceased
-
1977
- 1977-01-03 IT IT19007/77A patent/IT1077551B/it active
- 1977-01-03 US US05/756,540 patent/US4147473A/en not_active Expired - Lifetime
- 1977-01-03 FR FR7700023A patent/FR2337268A1/fr active Granted
- 1977-01-04 JP JP21077A patent/JPS52109609A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2659531A1 (de) | 1977-07-14 |
| FR2337268B1 (OSRAM) | 1979-09-21 |
| IT1077551B (it) | 1985-05-04 |
| JPS52109609A (en) | 1977-09-14 |
| FR2337268A1 (fr) | 1977-07-29 |
| CS184298B1 (en) | 1978-08-31 |
| US4147473A (en) | 1979-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |