JPH036068U - - Google Patents
Info
- Publication number
- JPH036068U JPH036068U JP6540489U JP6540489U JPH036068U JP H036068 U JPH036068 U JP H036068U JP 6540489 U JP6540489 U JP 6540489U JP 6540489 U JP6540489 U JP 6540489U JP H036068 U JPH036068 U JP H036068U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder block
- valve plate
- piston
- cylinder
- housing
- 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
Landscapes
- Reciprocating Pumps (AREA)
- Hydraulic Motors (AREA)
Description
第１図は本考案の実施例を示す摺動部断面図、
第２図は弁板の正面図、第３図はピストン式油圧
ポンプ・モータの一例を示す断面図、第４図は従
来の摺動部断面図である。
１……ハウジング、２……シリンダーブロツク
、３……シリンダー孔、３ａ……シリンダー室、
４……ピストン、６……弁板、１２……環状油溝
。
FIG. 1 is a sectional view of the sliding part showing an embodiment of the present invention;
FIG. 2 is a front view of the valve plate, FIG. 3 is a sectional view showing an example of a piston type hydraulic pump/motor, and FIG. 4 is a sectional view of a conventional sliding part. 1...Housing, 2...Cylinder block, 3...Cylinder hole, 3a...Cylinder chamber,
4... Piston, 6... Valve plate, 12... Annular oil groove.
Claims (1)
のシリンダー孔３内にピストン４を嵌挿してシリ
ンダー室３ａを形成し、そのシリンダーブロツク
２を弁板６を介してハウジング１に押しつけるよ
うにしたピストン式油圧ポンプ・モータにおいて
、 前記シリンダーブロツク２と弁板６の摺動面の
いずれか一方に環状油溝１２を形成したことを特
徴とするピストン式油圧ポンプ・モータのシリン
ダーブロツクと弁板の摺動部構造。[Scope of claim for utility model registration] Cylinder block 2 provided in housing 1
A piston-type hydraulic pump/motor in which a piston 4 is inserted into a cylinder hole 3 to form a cylinder chamber 3a, and the cylinder block 2 is pressed against the housing 1 via a valve plate 6, wherein the cylinder block 2 and A sliding part structure between a cylinder block and a valve plate of a piston type hydraulic pump/motor, characterized in that an annular oil groove 12 is formed on either one of the sliding surfaces of the valve plate 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6540489U JPH036068U (en) | 1989-06-06 | 1989-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6540489U JPH036068U (en) | 1989-06-06 | 1989-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH036068U true JPH036068U (en) | 1991-01-22 |
Family
ID=31597203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6540489U Pending JPH036068U (en) | 1989-06-06 | 1989-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH036068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010179791A (en) * | 2009-02-06 | 2010-08-19 | Shin Kurushima Dockyard Co Ltd | Disposal apparatus for waste oil from marine vessel |
-
1989
- 1989-06-06 JP JP6540489U patent/JPH036068U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010179791A (en) * | 2009-02-06 | 2010-08-19 | Shin Kurushima Dockyard Co Ltd | Disposal apparatus for waste oil from marine vessel |
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