JPH0214896U - - Google Patents
Info
- Publication number
- JPH0214896U JPH0214896U JP9258088U JP9258088U JPH0214896U JP H0214896 U JPH0214896 U JP H0214896U JP 9258088 U JP9258088 U JP 9258088U JP 9258088 U JP9258088 U JP 9258088U JP H0214896 U JPH0214896 U JP H0214896U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- pressure chamber
- pressure
- passage
- actuating device
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Pipe Accessories (AREA)
Description
第１図は本考案の脈動圧吸収装置を用いた油圧
回路図である。第２図および第３図は第１図にお
ける部分拡大図であり、第２図は油圧ポンプの低
回転時の弁部の作動状態を示し、第３図は油圧ポ
ンプの高回転時の弁部の作動状態を示す。第４図
は従来の脈動圧吸収装置を用いた油圧回路図であ
る。
１…油圧回路、１５…連通路、１５０…開口、
２…流量制御弁装置、３…動力舵取用油圧作動装
置、４…アキユムレータ、５…固定絞り部、６…
可変絞り弁、６１…第１圧力室、６２…第２圧力
室、６３…弁部、Ｔ…リザーバ、Ｐ…油圧ポンプ
。
FIG. 1 is a hydraulic circuit diagram using the pulsating pressure absorbing device of the present invention. Figures 2 and 3 are partially enlarged views of Figure 1, with Figure 2 showing the operating state of the valve section when the hydraulic pump is running at low speeds, and Figure 3 showing the valve section when the hydraulic pump is running at high speeds. Indicates the operating status of the FIG. 4 is a hydraulic circuit diagram using a conventional pulsating pressure absorbing device. 1... Hydraulic circuit, 15... Communication path, 150... Opening,
2... Flow rate control valve device, 3... Hydraulic actuation device for power steering, 4... Accumulator, 5... Fixed throttle section, 6...
Variable throttle valve, 61...first pressure chamber, 62...second pressure chamber, 63...valve section, T...reservoir, P...hydraulic pump.
Claims (1)
油圧通路の該油圧ポンプ側に設けられた固定絞り
部と、該油圧通路の該油圧作動装置側に連通路を
介して接続されたアキユムレータと、該固定絞り
部の上流側及び下流側の該油圧通路に接続する第
１圧力室および第２圧力室と、該第１圧力室内お
よび該第２圧力室内の圧油の圧力差により該アキ
ユムレータに接続する該連通路の開口の大きさを
制御する弁部とをもつことを特徴とする脈動圧吸
収装置。 a fixed throttle part provided on the hydraulic pump side of a hydraulic passage that supplies pressure oil from the hydraulic pump to the hydraulic actuating device; an accumulator connected to the hydraulic actuating device side of the hydraulic passage via a communication passage; A first pressure chamber and a second pressure chamber connected to the hydraulic passage on the upstream and downstream sides of the fixed restrictor are connected to the accumulator due to a pressure difference between the pressure oil in the first pressure chamber and the second pressure chamber. A pulsating pressure absorbing device characterized by having a valve portion that controls the size of the opening of the communication passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9258088U JPH0214896U (en) | 1988-07-13 | 1988-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9258088U JPH0214896U (en) | 1988-07-13 | 1988-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0214896U true JPH0214896U (en) | 1990-01-30 |
Family
ID=31317013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9258088U Pending JPH0214896U (en) | 1988-07-13 | 1988-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0214896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05106777A (en) * | 1991-10-16 | 1993-04-27 | Nissan Motor Co Ltd | Pulsation reducing device for fluid pressure circuit |
-
1988
- 1988-07-13 JP JP9258088U patent/JPH0214896U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05106777A (en) * | 1991-10-16 | 1993-04-27 | Nissan Motor Co Ltd | Pulsation reducing device for fluid pressure circuit |