JPH029304U - - Google Patents
Info
- Publication number
- JPH029304U JPH029304U JP8776588U JP8776588U JPH029304U JP H029304 U JPH029304 U JP H029304U JP 8776588 U JP8776588 U JP 8776588U JP 8776588 U JP8776588 U JP 8776588U JP H029304 U JPH029304 U JP H029304U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- supply line
- bypass
- valve
- check valve
- 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
Landscapes
- Fluid-Pressure Circuits (AREA)
- Details Of Reciprocating Pumps (AREA)
Description
第１図は本考案の一実施例を示す配管系統図で
あり、第２図は従来例を示す配管系統図である。
１……チヤージポンプ、２……ポンプ、６……
主ライン、７……主ライン、１１……フイルタ、
１２……供給ライン、１４……チエツクバルブ、
１５……チエツクバルブ、１６……バイパス回路
、１７……バイパスバルブ、１８……チエツクバ
ルブ、１９……リリーフ弁、２０……リリーフ回
路。
FIG. 1 is a piping system diagram showing an embodiment of the present invention, and FIG. 2 is a piping system diagram showing a conventional example. 1...Charge pump, 2...Pump, 6...
Main line, 7...Main line, 11...Filter,
12... Supply line, 14... Check valve,
15...Check valve, 16...Bypass circuit, 17...Bypass valve, 18...Check valve, 19...Relief valve, 20...Relief circuit.
Claims (1)
ポンプ１の供給ライン１２にフイルタ１１を介装
し、前記供給ライン１２をチエツクバルブ１４，
１５を介して、ポンプ２の主ライン６，７に接続
した閉回路用液圧ポンプ装置であつて、前記供給
ライン１２におけるフイルタ１１の入口側と出口
側との間に、バイパス路１６を設け、このバイパ
ス路１６に前記フイルタ１１における通過抵抗が
一定以上のとき開くバイパスバルブ１７と、チエ
ツクバルブ１８とを介装し、かつ、前記バイパス
路１６に、リリーフ弁１９をもつたリリーフ回路
２０を接続したことを特徴とする閉回路用液圧ポ
ンプ装置。 A charge pump 1 is provided, a filter 11 is interposed in the supply line 12 of the charge pump 1, and the supply line 12 is connected to a check valve 14,
15, the closed circuit hydraulic pump device is connected to the main lines 6, 7 of the pump 2, and a bypass path 16 is provided between the inlet side and the outlet side of the filter 11 in the supply line 12. The bypass passage 16 is provided with a bypass valve 17 that opens when the passage resistance in the filter 11 is above a certain level, and a check valve 18, and a relief circuit 20 having a relief valve 19 is provided in the bypass passage 16. A closed circuit hydraulic pump device characterized by being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8776588U JPH029304U (en) | 1988-06-30 | 1988-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8776588U JPH029304U (en) | 1988-06-30 | 1988-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH029304U true JPH029304U (en) | 1990-01-22 |
Family
ID=31312362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8776588U Pending JPH029304U (en) | 1988-06-30 | 1988-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH029304U (en) |
-
1988
- 1988-06-30 JP JP8776588U patent/JPH029304U/ja active Pending
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