EP1028253A3 - Displacement control structure of variable displacement type compressor - Google Patents
Displacement control structure of variable displacement type compressor Download PDFInfo
- Publication number
- EP1028253A3 EP1028253A3 EP00102697A EP00102697A EP1028253A3 EP 1028253 A3 EP1028253 A3 EP 1028253A3 EP 00102697 A EP00102697 A EP 00102697A EP 00102697 A EP00102697 A EP 00102697A EP 1028253 A3 EP1028253 A3 EP 1028253A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve element
- chamber
- supply passage
- crank chamber
- displacement
- 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- Withdrawn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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/1809—Controlled pressure
- F04B2027/1813—Crankcase pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/1822—Valve-controlled fluid connection
- F04B2027/1827—Valve-controlled fluid connection between crankcase and discharge chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/1822—Valve-controlled fluid connection
- F04B2027/1831—Valve-controlled fluid connection between crankcase and suction chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/184—Valve controlling parameter
- F04B2027/1854—External parameters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11032893A JP2000230480A (ja) | 1999-02-10 | 1999-02-10 | 可変容量型圧縮機の容量制御構造 |
JP3289399 | 1999-02-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1028253A2 EP1028253A2 (en) | 2000-08-16 |
EP1028253A3 true EP1028253A3 (en) | 2001-01-03 |
Family
ID=12371578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00102697A Withdrawn EP1028253A3 (en) | 1999-02-10 | 2000-02-09 | Displacement control structure of variable displacement type compressor |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1028253A3 (ja) |
JP (1) | JP2000230480A (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0498552A1 (en) * | 1991-01-28 | 1992-08-12 | Sanden Corporation | Slant plate type compressor with variable displacement mechanism |
US5282329A (en) * | 1992-04-03 | 1994-02-01 | Kabushiki Kaisha Saginomiya Seisakusho | Solenoid type control valve |
US5332365A (en) * | 1991-10-23 | 1994-07-26 | Sanden Corporation | Slant plate type compressor with variable capacity control mechanism |
DE19733099A1 (de) * | 1996-07-31 | 1998-02-12 | Toyoda Automatic Loom Works | Steuerventil für einen Kompressor mit veränderlichem Hubraum |
EP0864749A2 (en) * | 1997-03-14 | 1998-09-16 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Electromagnetic control valve |
-
1999
- 1999-02-10 JP JP11032893A patent/JP2000230480A/ja active Pending
-
2000
- 2000-02-09 EP EP00102697A patent/EP1028253A3/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0498552A1 (en) * | 1991-01-28 | 1992-08-12 | Sanden Corporation | Slant plate type compressor with variable displacement mechanism |
US5332365A (en) * | 1991-10-23 | 1994-07-26 | Sanden Corporation | Slant plate type compressor with variable capacity control mechanism |
US5282329A (en) * | 1992-04-03 | 1994-02-01 | Kabushiki Kaisha Saginomiya Seisakusho | Solenoid type control valve |
DE19733099A1 (de) * | 1996-07-31 | 1998-02-12 | Toyoda Automatic Loom Works | Steuerventil für einen Kompressor mit veränderlichem Hubraum |
EP0864749A2 (en) * | 1997-03-14 | 1998-09-16 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Electromagnetic control valve |
Also Published As
Publication number | Publication date |
---|---|
EP1028253A2 (en) | 2000-08-16 |
JP2000230480A (ja) | 2000-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20000209 |
|
AK | Designated contracting states |
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PUAL | Search report despatched |
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AKX | Designation fees paid |
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|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20020903 |