JPH01123905U - - Google Patents
Info
- Publication number
- JPH01123905U JPH01123905U JP1883488U JP1883488U JPH01123905U JP H01123905 U JPH01123905 U JP H01123905U JP 1883488 U JP1883488 U JP 1883488U JP 1883488 U JP1883488 U JP 1883488U JP H01123905 U JPH01123905 U JP H01123905U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic pressure
- circuit
- suspension unit
- output circuit
- control 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.)
- Granted
Links
- 239000000725 suspension Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 1
Description
第１図は本考案一実施例のサスペンシヨンユニ
ツトを示す全体図、第２図は実施例ユニツトの圧
力制御弁及び第２チエツクバルブを示す断面図で
ある。
４……液圧供給回路、５……圧力制御弁、６…
…ドレーン回路、７……車高調整アクチユエータ
、８……出力回路、８２……第２チエツクバルブ
。
FIG. 1 is an overall view showing a suspension unit according to an embodiment of the present invention, and FIG. 2 is a sectional view showing a pressure control valve and a second check valve of the embodiment unit. 4...Liquid pressure supply circuit, 5...Pressure control valve, 6...
...Drain circuit, 7...Vehicle height adjustment actuator, 8...Output circuit, 82...Second check valve.
Claims (1)
に接続され、出力回路への出力液圧を制御可能な
圧力制御弁と、 前記出力回路に接続され、車高及び車両姿勢を
制御可能な車高調整アクチユエータと、 前記出力回路中に設けられ、サスペンシヨンシ
ステムの作動中には開かれてサスペンシヨンユニ
ツト及び圧力制御弁間の液の流通を確保し、該サ
スペンシヨンシステムの作動停止時には上記流通
を遮断するチエツクバルブと、 を備えていることを特徴とするサスペンシヨン
ユニツト。 (2) 前記チエツクバルブは、前記圧力制御弁の
作動に同期して開閉されるものである請求項１記
載のサスペンシヨンユニツト。 (3) 前記チエツクバルブは、出力回路又は液圧
供給回路等の上流回路の液圧に応動し、該液圧が
所定値以上となつたとき開かれ、所定値以下とな
つたとき閉じられるものである請求項１記載のサ
スペンシヨンユニツト。[Claims for Utility Model Registration] (1) A pressure control valve connected to a hydraulic pressure supply circuit, a drain circuit, and an output circuit and capable of controlling output hydraulic pressure to the output circuit; and a vehicle height adjustment actuator capable of controlling the vehicle attitude; and a vehicle height adjustment actuator provided in the output circuit and opened during operation of the suspension system to ensure fluid flow between the suspension unit and the pressure control valve; A suspension unit comprising: a check valve that shuts off the above-mentioned flow when the suspension system stops operating. (2) The suspension unit according to claim 1, wherein the check valve is opened and closed in synchronization with the operation of the pressure control valve. (3) The check valve is one that responds to hydraulic pressure in an upstream circuit such as an output circuit or a hydraulic pressure supply circuit, opens when the hydraulic pressure exceeds a predetermined value, and closes when the hydraulic pressure falls below a predetermined value. The suspension unit according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988018834U JPH078249Y2 (en) | 1988-02-15 | 1988-02-15 | Suspension unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988018834U JPH078249Y2 (en) | 1988-02-15 | 1988-02-15 | Suspension unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01123905U true JPH01123905U (en) | 1989-08-23 |
| JPH078249Y2 JPH078249Y2 (en) | 1995-03-01 |
Family
ID=31233827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988018834U Expired - Lifetime JPH078249Y2 (en) | 1988-02-15 | 1988-02-15 | Suspension unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH078249Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS609713U (en) * | 1983-06-30 | 1985-01-23 | カヤバ工業株式会社 | Actuator for suspension |
| JPS60213513A (en) * | 1984-04-04 | 1985-10-25 | Mazda Motor Corp | Ground clearance adjuster of automobile |
-
1988
- 1988-02-15 JP JP1988018834U patent/JPH078249Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS609713U (en) * | 1983-06-30 | 1985-01-23 | カヤバ工業株式会社 | Actuator for suspension |
| JPS60213513A (en) * | 1984-04-04 | 1985-10-25 | Mazda Motor Corp | Ground clearance adjuster of automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH078249Y2 (en) | 1995-03-01 |