JPS5464711A - Capacity limiting device for compressor - Google Patents
Capacity limiting device for compressorInfo
- Publication number
- JPS5464711A JPS5464711A JP13070777A JP13070777A JPS5464711A JP S5464711 A JPS5464711 A JP S5464711A JP 13070777 A JP13070777 A JP 13070777A JP 13070777 A JP13070777 A JP 13070777A JP S5464711 A JPS5464711 A JP S5464711A
- Authority
- JP
- Japan
- Prior art keywords
- solenoid
- throttle valve
- exhaust valve
- closing
- opening
- 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.)
- Pending
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
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
Abstract
PURPOSE: To make a quick exhaustion for preventing the excessive pressure ratio between a low pressure and a high pressure compressor by opening and closing a suction throttle valve and an exhaust valve instantaneously by means of solenoids and spring and minimizing the piping capacity.
CONSTITUTION: A suction throttle valve 6 is connected with the iron core 45 of a solenoid 39, and worked for closing by a spring 36. An exhaust valve 19 is connected with the iron core 46 of a solenoid 40, and a switch 43 is inserted into the electric circuit of the solenoid 40 to be opened and closed under the linkage of a rod 20. Since the solenoid 40 is used for opening the throttle valve 6 and closing the exhaust valve 19, the whole structure can be simplified. Moreover, the operating time of the solenoid is very short and the opening of the throttle valve 6 and the closing of the exhaust valve 19 are mode instantaneously. The pressure variation in a tank 14 is small, and since the exhaust valve 19 and the throttle valve 6 are electrically connected, the piping capacity is reduced and the suction and exhaustion are quickened. Consequently, the pressure ratio between compressors 2 and 3 is lowered.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13070777A JPS5464711A (en) | 1977-11-02 | 1977-11-02 | Capacity limiting device for compressor |
| DE19782847311 DE2847311A1 (en) | 1977-11-02 | 1978-10-31 | Rotary compressor output flow control - opens solenoid-operated output relief valve as intake solenoid throttle closes, and vice=versa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13070777A JPS5464711A (en) | 1977-11-02 | 1977-11-02 | Capacity limiting device for compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5464711A true JPS5464711A (en) | 1979-05-24 |
Family
ID=15040687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13070777A Pending JPS5464711A (en) | 1977-11-02 | 1977-11-02 | Capacity limiting device for compressor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5464711A (en) |
| DE (1) | DE2847311A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8157538B2 (en) | 2007-07-23 | 2012-04-17 | Emerson Climate Technologies, Inc. | Capacity modulation system for compressor and method |
| US8308455B2 (en) | 2009-01-27 | 2012-11-13 | Emerson Climate Technologies, Inc. | Unloader system and method for a compressor |
| US10378533B2 (en) | 2011-12-06 | 2019-08-13 | Bitzer Us, Inc. | Control for compressor unloading system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4415340B2 (en) * | 2000-06-02 | 2010-02-17 | 株式会社日立産機システム | Screw compression device and operation control method thereof |
| JP3817420B2 (en) | 2000-10-31 | 2006-09-06 | 株式会社日立産機システム | Variable rotational speed oil-free screw compressor and operation control method thereof |
-
1977
- 1977-11-02 JP JP13070777A patent/JPS5464711A/en active Pending
-
1978
- 1978-10-31 DE DE19782847311 patent/DE2847311A1/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8157538B2 (en) | 2007-07-23 | 2012-04-17 | Emerson Climate Technologies, Inc. | Capacity modulation system for compressor and method |
| US8308455B2 (en) | 2009-01-27 | 2012-11-13 | Emerson Climate Technologies, Inc. | Unloader system and method for a compressor |
| US10378533B2 (en) | 2011-12-06 | 2019-08-13 | Bitzer Us, Inc. | Control for compressor unloading system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2847311A1 (en) | 1979-09-13 |
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