JPH0387877U - - Google Patents
Info
- Publication number
- JPH0387877U JPH0387877U JP14644589U JP14644589U JPH0387877U JP H0387877 U JPH0387877 U JP H0387877U JP 14644589 U JP14644589 U JP 14644589U JP 14644589 U JP14644589 U JP 14644589U JP H0387877 U JPH0387877 U JP H0387877U
- Authority
- JP
- Japan
- Prior art keywords
- port
- end plate
- cylinder
- motor
- type pump
- 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
- 230000003628 erosive effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Reciprocating Pumps (AREA)
- Hydraulic Motors (AREA)
Description
第1図、第2図、第3図は本考案の実施例を示
し、第1図は正面図、第2図は横断面図、第3図
は弁板の切欠溝部分斜視図、第4図はピストン式
ポンプ・モータの断面図、第5図・第6図は従来
例の正面図、横断面図。
1……ケース、2……端板、3……ハウジング
、4……シリンダーブロツク、6……シリンダー
孔、7……ピストン、8……シリンダー室、10
……ポート、11……弁板、12……ポート、1
3……高圧ポート、14……低圧ポート、20…
…切欠溝、21,22……スリツト。
1, 2, and 3 show an embodiment of the present invention, in which FIG. 1 is a front view, FIG. 2 is a cross-sectional view, FIG. The figure is a cross-sectional view of a piston type pump/motor, and FIGS. 5 and 6 are front views and cross-sectional views of conventional examples. DESCRIPTION OF SYMBOLS 1... Case, 2... End plate, 3... Housing, 4... Cylinder block, 6... Cylinder hole, 7... Piston, 8... Cylinder chamber, 10
... Port, 11 ... Valve plate, 12 ... Port, 1
3...High pressure port, 14...Low pressure port, 20...
...Notch groove, 21, 22...Slit.
Claims (1)
リンダーブロツク4を回転自在に設け、このシリ
ンダーブロツク4のシリンダー孔6内にピストン
7を嵌挿してシリンダー室8を形成し、このシリ
ンダー室8をポート10、弁板11のポート12
を経て端板2に形成した高圧ポート13と低圧ポ
ート14に交互に連通するようにしたピストン式
ポンプ・モータにおいて、 前記弁板11におけるポート12と連続してシ
リンダーブロツク側面11aに開口したスリツト
21と端板側面11bに開口しスリツト22より
成る切欠溝20を形成したことを特徴とするピス
トン式ポンプ・モータのエロージヨン防止装置。[Claims for Utility Model Registration] A cylinder block 4 is rotatably provided in a housing 3 consisting of a case 1 and an end plate 2, and a piston 7 is inserted into a cylinder hole 6 of the cylinder block 4 to form a cylinder chamber 8. This cylinder chamber 8 is connected to port 10 and port 12 of valve plate 11.
In a piston type pump/motor which is configured to alternately communicate with a high pressure port 13 and a low pressure port 14 formed in the end plate 2 through An erosion prevention device for a piston type pump/motor, characterized in that a cutout groove 20 consisting of a slit 22 is formed in the side surface 11b of the end plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14644589U JPH0387877U (en) | 1989-12-21 | 1989-12-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14644589U JPH0387877U (en) | 1989-12-21 | 1989-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0387877U true JPH0387877U (en) | 1991-09-06 |
Family
ID=31693027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14644589U Pending JPH0387877U (en) | 1989-12-21 | 1989-12-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0387877U (en) |
-
1989
- 1989-12-21 JP JP14644589U patent/JPH0387877U/ja active Pending
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