JPH03166U - - Google Patents
Info
- Publication number
- JPH03166U JPH03166U JP5860789U JP5860789U JPH03166U JP H03166 U JPH03166 U JP H03166U JP 5860789 U JP5860789 U JP 5860789U JP 5860789 U JP5860789 U JP 5860789U JP H03166 U JPH03166 U JP H03166U
- Authority
- JP
- Japan
- Prior art keywords
- swash plate
- oil supply
- pressure oil
- supply circuit
- hydraulic pump
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の実施例を示す回路図、第２図
は従来例の回路図である。
１０は斜板両振り油圧ポンブ、１１，１２は第
１、第２ポート、１３，１４は第１・第２主回路
、１８は斜板、１９はサーボピストン、２０，２
１は第１、第２受圧室、２２はサーボバルブ、２
３は圧油供給回路、２４はチエツク弁、２５はチ
ヤージポンプ、２６は高圧選択シヤトル弁。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional example. 10 is a swash plate double-swing hydraulic pump, 11 and 12 are first and second ports, 13 and 14 are first and second main circuits, 18 is a swash plate, 19 is a servo piston, 20, 2
1 is a first and second pressure receiving chamber, 22 is a servo valve, 2
3 is a pressure oil supply circuit, 24 is a check valve, 25 is a charge pump, and 26 is a high pressure selection shuttle valve.
Claims (1)
１１，１２に第１・第２主回路１３，１４を接続
し、その斜板１８をサーボピストン１９に連結し
、そのサーボピストン１９の第１・第２室２０，
２１を圧油供給回路２３に連通制御するサーボバ
ルブ２２を設け、該圧油供給回路２３をチエツク
弁２４を介してチヤージポンプ２５に接続し、か
つ高圧選択シヤトル弁２６を介して第１主回路１
３と第２主回路１４に接続したことを特徴とする
斜板両振り油圧ポンプの容量制御装置。 The first and second main circuits 13 and 14 are connected to the first and second ports 11 and 12 of the swash plate double-swing hydraulic pump 10, and the swash plate 18 is connected to the servo piston 19. 1.Second room 20,
A servo valve 22 is provided for communicating and controlling the pressure oil supply circuit 21 with the pressure oil supply circuit 23, and the pressure oil supply circuit 23 is connected to the charge pump 25 via the check valve 24, and the first main circuit 1 is connected via the high pressure selection shuttle valve 26.
3 and a second main circuit 14. A capacity control device for a swash plate double swing hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5860789U JPH03166U (en) | 1989-05-23 | 1989-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5860789U JPH03166U (en) | 1989-05-23 | 1989-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03166U true JPH03166U (en) | 1991-01-07 |
Family
ID=31584372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5860789U Pending JPH03166U (en) | 1989-05-23 | 1989-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03166U (en) |
-
1989
- 1989-05-23 JP JP5860789U patent/JPH03166U/ja active Pending
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