JPH02145352U - - Google Patents
Info
- Publication number
- JPH02145352U JPH02145352U JP5439489U JP5439489U JPH02145352U JP H02145352 U JPH02145352 U JP H02145352U JP 5439489 U JP5439489 U JP 5439489U JP 5439489 U JP5439489 U JP 5439489U JP H02145352 U JPH02145352 U JP H02145352U
- Authority
- JP
- Japan
- Prior art keywords
- low pressure
- pressure relief
- relief valve
- valve
- closed circuit
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Fluid Gearings (AREA)
Description
第１図は本考案の実施例を示す油圧回路図、第
２図はリリーフバルブの拡大図、第３図は従来例
の油圧回路図である。
１……油圧ポンプ、２……油圧モータ、３，４
……閉回路、５……チヤージポンプ、６……補機
用回路、７……チヤージ回路、８……リリーフバ
ルブ、１１ａ，１１ｂ……チエツクバルブ、１５
……オリフイス。
FIG. 1 is a hydraulic circuit diagram showing an embodiment of the present invention, FIG. 2 is an enlarged view of a relief valve, and FIG. 3 is a hydraulic circuit diagram of a conventional example. 1... Hydraulic pump, 2... Hydraulic motor, 3, 4
...Closed circuit, 5...Charge pump, 6...Auxiliary equipment circuit, 7...Charge circuit, 8...Relief valve, 11a, 11b...Check valve, 15
...Orifice chair.
Claims (1)
続し、メインポンプと連動するチヤージポンプの
吐出側を補機用回路に接続しかつその戻り側を低
圧リリーフバルブを介してタンクに接続すると共
に、低圧リリーフバルブの上流からチエツクバル
ブを介して前記閉回路に接続した油圧伝動装置に
おいて、前記低圧リリーフバルブにこれをバイパ
スするオリフイスを設けたことを特徴とする油圧
伝動装置。 The main pump and hydraulic motor are connected through a closed circuit, and the discharge side of the charge pump that operates in conjunction with the main pump is connected to the auxiliary equipment circuit, and the return side is connected to the tank through a low pressure relief valve. A hydraulic transmission device connected to the closed circuit from an upstream side of the valve via a check valve, characterized in that the low pressure relief valve is provided with an orifice that bypasses the low pressure relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989054394U JPH0726601Y2 (en) | 1989-05-11 | 1989-05-11 | Hydraulic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989054394U JPH0726601Y2 (en) | 1989-05-11 | 1989-05-11 | Hydraulic transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02145352U true JPH02145352U (en) | 1990-12-10 |
| JPH0726601Y2 JPH0726601Y2 (en) | 1995-06-14 |
Family
ID=31576421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989054394U Expired - Lifetime JPH0726601Y2 (en) | 1989-05-11 | 1989-05-11 | Hydraulic transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0726601Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0464770A (en) * | 1990-07-02 | 1992-02-28 | Honda Motor Co Ltd | Hydraulic transmission |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02248763A (en) * | 1989-03-23 | 1990-10-04 | Daikin Ind Ltd | Driving device of tractor |
-
1989
- 1989-05-11 JP JP1989054394U patent/JPH0726601Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02248763A (en) * | 1989-03-23 | 1990-10-04 | Daikin Ind Ltd | Driving device of tractor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0464770A (en) * | 1990-07-02 | 1992-02-28 | Honda Motor Co Ltd | Hydraulic transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0726601Y2 (en) | 1995-06-14 |