GB2331574A9 - Sensing device for screw compressor valve - Google Patents
Sensing device for screw compressor valveInfo
- Publication number
- GB2331574A9 GB2331574A9 GB9724467A GB9724467A GB2331574A9 GB 2331574 A9 GB2331574 A9 GB 2331574A9 GB 9724467 A GB9724467 A GB 9724467A GB 9724467 A GB9724467 A GB 9724467A GB 2331574 A9 GB2331574 A9 GB 2331574A9
- Authority
- GB
- United Kingdom
- Prior art keywords
- sensing device
- screw compressor
- compressor valve
- valve
- screw
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
- F04C28/12—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
- F04C28/125—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves with sliding valves controlled by the use of fluid other than the working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/81—Sensor, e.g. electronic sensor for control or monitoring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9724467A GB2331574A (en) | 1997-11-20 | 1997-11-20 | Sensing device for screw compressor valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9724467A GB2331574A (en) | 1997-11-20 | 1997-11-20 | Sensing device for screw compressor valve |
Publications (3)
Publication Number | Publication Date |
---|---|
GB2331574A9 true GB2331574A9 (en) | 1900-01-01 |
GB9724467D0 GB9724467D0 (en) | 1998-01-14 |
GB2331574A GB2331574A (en) | 1999-05-26 |
Family
ID=10822324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9724467A Withdrawn GB2331574A (en) | 1997-11-20 | 1997-11-20 | Sensing device for screw compressor valve |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2331574A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111255691B (en) * | 2020-01-15 | 2021-07-02 | 珠海格力电器股份有限公司 | Screw compressor system capable of accurately regulating and controlling load, control method and air conditioner |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10333400A1 (en) * | 2003-07-16 | 2005-02-10 | Bitzer Kühlmaschinenbau Gmbh | screw compressors |
US9188241B2 (en) * | 2011-12-13 | 2015-11-17 | Hydril USA Distribution LLC | Visual ram position indicator apparatuses and methods |
CN102748286A (en) * | 2012-04-11 | 2012-10-24 | 无锡市制冷设备厂有限责任公司 | Screw compressor |
CN102619756B (en) * | 2012-04-20 | 2015-01-21 | 无锡职业技术学院 | Twin-screw compressor slide valve position indicator |
DE102015116324A1 (en) * | 2014-10-08 | 2016-04-14 | Bitzer Kühlmaschinenbau Gmbh | screw compressors |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2170353B (en) * | 1984-12-29 | 1989-03-01 | Martonair Ltd | Fluid-operable device |
US4743170A (en) * | 1987-09-03 | 1988-05-10 | Fes, Inc. | Slide valve position indicator and magnetic coupler |
US4957274A (en) * | 1989-12-26 | 1990-09-18 | Ingersoll-Rand Company | Position sensor for a rotary valve |
US5257921A (en) * | 1992-05-19 | 1993-11-02 | Fes, Inc. | Electronic slide valve position indicator |
GB9320238D0 (en) * | 1993-10-01 | 1993-11-17 | Btr Plc | Valve assembly |
US5502380A (en) * | 1994-04-28 | 1996-03-26 | Rosemount Inc. | Analog weighted binary absolute position encoder including an array of sense resistors each having material responsive to FWX and nonresponsive to flux |
-
1997
- 1997-11-20 GB GB9724467A patent/GB2331574A/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111255691B (en) * | 2020-01-15 | 2021-07-02 | 珠海格力电器股份有限公司 | Screw compressor system capable of accurately regulating and controlling load, control method and air conditioner |
Also Published As
Publication number | Publication date |
---|---|
GB2331574A (en) | 1999-05-26 |
GB9724467D0 (en) | 1998-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |