CA1119140A - Centrifugal vapor compressor and a diffuser control therefor - Google Patents
Centrifugal vapor compressor and a diffuser control thereforInfo
- Publication number
- CA1119140A CA1119140A CA000340937A CA340937A CA1119140A CA 1119140 A CA1119140 A CA 1119140A CA 000340937 A CA000340937 A CA 000340937A CA 340937 A CA340937 A CA 340937A CA 1119140 A CA1119140 A CA 1119140A
- Authority
- CA
- Canada
- Prior art keywords
- diffuser
- restriction means
- annular recess
- vapor
- conduit
- 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
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 35
- 230000000670 limiting effect Effects 0.000 claims abstract description 17
- 230000000979 retarding effect Effects 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000006854 communication Effects 0.000 claims abstract description 8
- 230000001276 controlling effect Effects 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 20
- 239000000543 intermediate Substances 0.000 claims 28
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
- F01D17/143—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path the shiftable member being a wall, or part thereof of a radial diffuser
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
- F04D29/464—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps adjusting flow cross-section, otherwise than by using adjustable stator blades
-
- 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
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/51—Inlet
-
- 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
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
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)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/973,405 US4219305A (en) | 1978-12-26 | 1978-12-26 | Diffuser control |
US973,404 | 1978-12-26 | ||
US05/973,404 US4257733A (en) | 1978-12-26 | 1978-12-26 | Diffuser control |
US973,405 | 1978-12-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1119140A true CA1119140A (en) | 1982-03-02 |
Family
ID=27130568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000340937A Expired CA1119140A (en) | 1978-12-26 | 1979-11-29 | Centrifugal vapor compressor and a diffuser control therefor |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0012895B1 (enrdf_load_html_response) |
JP (1) | JPS5921100U (enrdf_load_html_response) |
CA (1) | CA1119140A (enrdf_load_html_response) |
DE (1) | DE2966146D1 (enrdf_load_html_response) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH677956A5 (enrdf_load_html_response) * | 1986-07-02 | 1991-07-15 | Carrier Corp | |
NZ220367A (en) * | 1986-09-25 | 1991-05-28 | Superstill Technology Inc | Liquid seal for pump shaft: liquid is steam condensed from pump chamber |
JP2751418B2 (ja) * | 1989-06-13 | 1998-05-18 | ダイキン工業株式会社 | ターボ圧縮機のディフューザ |
GB9711892D0 (en) * | 1997-06-10 | 1997-08-06 | Holset Engineering Co | Variable geometry turbine |
CN104632712B (zh) * | 2013-11-21 | 2017-02-08 | 珠海格力电器股份有限公司 | 叶轮机械及其扩压器 |
CN107850087B (zh) | 2015-07-22 | 2020-08-04 | 开利公司 | 扩散器限制环 |
CN114651131A (zh) * | 2019-11-13 | 2022-06-21 | 丹佛斯公司 | 用于混合流压缩机的主动卸载装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL224304A (enrdf_load_html_response) * | 1957-12-23 | |||
DE1503580A1 (de) * | 1965-04-12 | 1970-06-11 | Mannesmann Meer Ag | Radial-Kreiselmaschine mit optimal anpassbaren Stroemungsquerschnitten im feststehenden Teil |
US3426964A (en) * | 1966-10-11 | 1969-02-11 | Dresser Ind | Compressor apparatus |
JPS5229441B2 (enrdf_load_html_response) * | 1973-06-25 | 1977-08-02 | ||
JPS5092508A (enrdf_load_html_response) * | 1973-12-21 | 1975-07-24 | ||
JPS5115807A (ja) * | 1974-07-30 | 1976-02-07 | Mitsubishi Heavy Ind Ltd | Enshinatsushukuki |
-
1979
- 1979-11-29 CA CA000340937A patent/CA1119140A/en not_active Expired
- 1979-12-06 EP EP79104971A patent/EP0012895B1/en not_active Expired
- 1979-12-06 DE DE7979104971T patent/DE2966146D1/de not_active Expired
-
1983
- 1983-05-17 JP JP1983073626U patent/JPS5921100U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0012895B1 (en) | 1983-09-07 |
JPS5921100U (ja) | 1984-02-08 |
DE2966146D1 (en) | 1983-10-13 |
JPS6218719Y2 (enrdf_load_html_response) | 1987-05-13 |
EP0012895A1 (en) | 1980-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |