JPS58109584U - Power steering oil pump flow control device - Google Patents
Power steering oil pump flow control deviceInfo
- Publication number
- JPS58109584U JPS58109584U JP493882U JP493882U JPS58109584U JP S58109584 U JPS58109584 U JP S58109584U JP 493882 U JP493882 U JP 493882U JP 493882 U JP493882 U JP 493882U JP S58109584 U JPS58109584 U JP S58109584U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- spool
- oil pump
- plunger
- orifice
- 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
Landscapes
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のパワステアリング用オイルポンプの流量
制御装置を示す縦断機構図、第２図は従来のフローコン
トロールバルブの他側を示ス縦断機構図、第３図は従来
例と本案実施例との特性比較図、第４図は本案の一実施
例を示すフローコントロールバルブ部分のみの縦断機構
図である。 ′ｂ＝オイルポンプ、Ｃ：高圧側油路、
１ニスプール室、２ニオリフイス、３：吐出室、４：バ
イパスポート、５ニスプール、６：背圧室、６′ ニス
プリング、１２ニオリフイス、１３：パイロット圧油路
、１４ニブランジヤ室、１５ニブランジヤ。Fig. 1 is a longitudinal mechanical diagram showing the flow control device of a conventional power steering oil pump, Fig. 2 is a longitudinal mechanical diagram showing the other side of the conventional flow control valve, and Fig. 3 is a conventional example and an example of the present invention. FIG. 4 is a longitudinal sectional view of only the flow control valve portion showing an embodiment of the present invention. 'b=oil pump, C: high pressure side oil path,
1 varnish spool chamber, 2 niorifice, 3: discharge chamber, 4: bypass port, 5 varnish spool, 6: back pressure chamber, 6' nis spring, 12 niorifice, 13: pilot pressure oil passage, 14 nib lunge chamber, 15 nib lunge.
Claims (1)
スプール室にオリフィスを介して連通し−た吐出室と、
前記スプール室に連通したバイパスポートと、前記吐出
室側からの油圧とばねにより付勢され前記バイパスポー
トの開口を調節するスプールとよりなるフローコントロ
ールバルブを併設したオイルポンプにおいて、前記高圧
側油路にオリフィスを設けるとともに、該オリフィスの
上、 流側の高圧側油路よりパイロット圧が供給さ
れるプランジャー室を設け、該プランジャー室に摺動自
在に挿入され前記スプール室側から前記スプールに当接
するプランジャーを設けたことに特徴を有するパワース
テアリング用オイルポンプの流量制御装置。a spool chamber communicating with the high-pressure side oil passage of the oil pump; a discharge chamber communicating with the spool chamber via an orifice;
In an oil pump equipped with a flow control valve consisting of a bypass port communicating with the spool chamber and a spool that is biased by hydraulic pressure from the discharge chamber side and a spring to adjust the opening of the bypass port, the high pressure side oil path An orifice is provided in the orifice, and a plunger chamber is provided above the orifice to which pilot pressure is supplied from the high-pressure oil passage on the upstream side, and the plunger chamber is slidably inserted into the plunger chamber and is inserted into the spool from the spool chamber side. A flow rate control device for a power steering oil pump characterized by having a plunger that comes into contact with the plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP493882U JPS58109584U (en) | 1982-01-20 | 1982-01-20 | Power steering oil pump flow control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP493882U JPS58109584U (en) | 1982-01-20 | 1982-01-20 | Power steering oil pump flow control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58109584U true JPS58109584U (en) | 1983-07-26 |
| JPS6143988Y2 JPS6143988Y2 (en) | 1986-12-11 |
Family
ID=30017758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP493882U Granted JPS58109584U (en) | 1982-01-20 | 1982-01-20 | Power steering oil pump flow control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58109584U (en) |
-
1982
- 1982-01-20 JP JP493882U patent/JPS58109584U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6143988Y2 (en) | 1986-12-11 |
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