JPH0193370U - - Google Patents
Info
- Publication number
- JPH0193370U JPH0193370U JP18720987U JP18720987U JPH0193370U JP H0193370 U JPH0193370 U JP H0193370U JP 18720987 U JP18720987 U JP 18720987U JP 18720987 U JP18720987 U JP 18720987U JP H0193370 U JPH0193370 U JP H0193370U
- Authority
- JP
- Japan
- Prior art keywords
- swash plate
- valve
- piston
- control valve
- drive
- 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
- 239000003507 refrigerant Substances 0.000 claims 1
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
第１図は本考案の実施例に係る容量可変斜板式
コンプレツサを示す断面図、第２図Ａ，Ｂは、第
１図に示すコントロールバルブを示す拡大断面図
、第３図は従来の容量可変斜板式コンプレツサで
ある。
１１……駆動軸、１２……クランク室、１３…
…駆動斜板、１６……ウオブル板、２２……ピス
トンロツド、２３……ピストン、２５……シリン
ダ、２９……吸入ポート、３３……吐出ポート、
ＣＶ……コントロールバルブ、３６……第１制御
弁、４０……第１弁口、４７……第２弁口、６５
……第２制御弁、６６……スプール弁、６７……
連通路、Ｃ，Ｃ１……容量可変斜板式コンプレツ
サ。
Fig. 1 is a sectional view showing a variable capacity swash plate type compressor according to an embodiment of the present invention, Figs. 2A and B are enlarged sectional views showing the control valve shown in Fig. 1, and Fig. 3 is a conventional variable capacity swash plate compressor. It is a swash plate type compressor. 11... Drive shaft, 12... Crank chamber, 13...
... Drive swash plate, 16 ... Wobble plate, 22 ... Piston rod, 23 ... Piston, 25 ... Cylinder, 29 ... Suction port, 33 ... Discharge port,
CV...control valve, 36...first control valve, 40...first valve port, 47...second valve port, 65
...Second control valve, 66...Spool valve, 67...
Communication path, C, C1...variable capacity swash plate type compressor.
Claims (1)
た駆動斜板１３と、この駆動斜板１３に対し摺動
自在に取付られ、この駆動斜板１３の回転により
軸線方向の往復動を行なう非回転のウオブル板１
６と、このウオブル板１６にピストンロツド２２
を介して連結したピストン２３と、このピストン
２３が内部を摺動するシリンダ２５とをクランク
室１２内に有し、前記シリンダ２５の吸入ポート
２９に帰還する冷媒の圧力に応じて、前記クラン
ク室１２と前記吸入ポート２９とを連通する第１
弁口４０及び前記クランク室１２と吐出ポート３
３とを連通する第２弁口４７を制御弁により開閉
するコントロールバルブＣＶを備え、該コントロ
ールバルブＣＶの開閉により前記帰環冷媒もしく
はピストン２３より吐出された冷媒の一部を前記
クランク室１２内に導き、このクランク室１２内
の圧力と前記帰環冷媒の圧力の差圧を生ぜしめ、
前記駆動斜板１３の傾斜角度を制御するようにし
た容量可変式コンプレツサにおいて、前記コント
ロールバルブＣＶの第２制御弁６５はスプール弁
６６より成り、当該スプール弁６６の側壁により
開閉する位置に前記第２弁口４７を設けると共に
、前記スプール弁６６に、当該スプール弁６６の
前後面を連通する連通路６７を形成したことを特
徴とする容量可変斜板式コンプレツサ。 A drive swash plate 13 is connected to the drive shaft 11 so that its inclination angle can be changed; and a drive swash plate 13 is slidably attached to the drive swash plate 13 and reciprocated in the axial direction by rotation of the drive swash plate 13. Rotating wobble board 1
6, and a piston rod 22 on this wobble plate 16.
The crank chamber 12 has a piston 23 connected to the piston 23 and a cylinder 25 in which the piston 23 slides. 12 and the suction port 29.
The valve port 40, the crank chamber 12 and the discharge port 3
3 is provided with a control valve CV that opens and closes a second valve port 47 that communicates with to generate a pressure difference between the pressure in the crank chamber 12 and the pressure of the return refrigerant,
In the variable capacity compressor in which the inclination angle of the driving swash plate 13 is controlled, the second control valve 65 of the control valve CV includes a spool valve 66, and the second control valve 65 is provided at a position to be opened and closed by a side wall of the spool valve 66. A variable capacity swash plate type compressor characterized in that two valve ports 47 are provided, and a communication passage 67 is formed in the spool valve 66 to communicate the front and rear surfaces of the spool valve 66.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18720987U JPH0193370U (en) | 1987-12-10 | 1987-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18720987U JPH0193370U (en) | 1987-12-10 | 1987-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193370U true JPH0193370U (en) | 1989-06-20 |
Family
ID=31478377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18720987U Pending JPH0193370U (en) | 1987-12-10 | 1987-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193370U (en) |
-
1987
- 1987-12-10 JP JP18720987U patent/JPH0193370U/ja active Pending
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