JPH0280777U - - Google Patents
Info
- Publication number
- JPH0280777U JPH0280777U JP16083388U JP16083388U JPH0280777U JP H0280777 U JPH0280777 U JP H0280777U JP 16083388 U JP16083388 U JP 16083388U JP 16083388 U JP16083388 U JP 16083388U JP H0280777 U JPH0280777 U JP H0280777U
- Authority
- JP
- Japan
- Prior art keywords
- swash plate
- cylinder
- pistons
- back surface
- piston
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Reciprocating Pumps (AREA)
- Hydraulic Motors (AREA)
Description
第１図は本考案の実施例を断面図、第２図ａ，
ｂ，ｃは動作説明図、第３図は従来例の断面図、
第４図ａ，ｂ，ｃは動作説明図である。
２０はハウジング、２１はシリンダブロツク、
２２はシリンダ孔、２３はピストン、２４はピス
トンシユー、２５は斜板、２８，２９は第１、第
２ピストン、３０，３１は第１、第２容量制御シ
リンダ、３７はバネ。
Figure 1 is a sectional view of an embodiment of the present invention, Figure 2 a,
b, c are operation explanatory diagrams, Fig. 3 is a sectional view of the conventional example,
FIGS. 4a, 4b, and 4c are explanatory diagrams of the operation. 20 is a housing, 21 is a cylinder block,
22 is a cylinder hole, 23 is a piston, 24 is a piston shoe, 25 is a swash plate, 28 and 29 are first and second pistons, 30 and 31 are first and second displacement control cylinders, and 37 is a spring.
Claims (1)
１にシリンダ孔２２を形成し、このシリンダ孔２
２内に嵌挿したピストン２３をピストンシユー２
４に連結すると共に、そのピストンシユー２４を
斜板２５の摺動面２５ａに沿つて摺動自在とした
可変液圧ポンプモータにおいて、前記斜板２５を
１つの中心の回りに揺動自在とすると共に、この
斜板２５の背面と対向して第１、第２容量制御シ
リンダ３０，３１を、その第１、第２ピストン２
８，２９が斜板２５の背面に当接するように設け
、さらに第１、第２ピストン２８，２９のどちら
か一方をバネ３７で斜板背面に押し付け付勢する
と共に、前記第１・第２容量制御シリンダ３０，
３１のシリンダ室３２，３３に圧力流体を供給制
御する手段を設けたことを特徴とする可変液圧ポ
ンプモータの容量制御装置。 Cylinder block 2 provided inside the housing 20
A cylinder hole 22 is formed in the cylinder hole 2.
The piston 23 inserted into the piston shoe 2
In the variable hydraulic pump motor, the piston shoe 24 is slidable along the sliding surface 25a of the swash plate 25, and the swash plate 25 is swingable around one center. , facing the back surface of this swash plate 25, the first and second displacement control cylinders 30, 31 are connected to the first and second pistons 2, respectively.
8 and 29 are provided so as to be in contact with the back surface of the swash plate 25, and one of the first and second pistons 28 and 29 is pressed against the back surface of the swash plate with a spring 37, and the first and second pistons capacity control cylinder 30,
A capacity control device for a variable hydraulic pump motor, characterized in that a means for controlling the supply of pressure fluid to cylinder chambers 32 and 33 of 31 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16083388U JPH0280777U (en) | 1988-12-13 | 1988-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16083388U JPH0280777U (en) | 1988-12-13 | 1988-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280777U true JPH0280777U (en) | 1990-06-21 |
Family
ID=31443245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16083388U Pending JPH0280777U (en) | 1988-12-13 | 1988-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280777U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04272482A (en) * | 1990-07-24 | 1992-09-29 | Hitachi Constr Mach Co Ltd | Variable capacity type liquid pressure operated rotary machine with swash plate |
| US11771841B2 (en) | 2020-12-23 | 2023-10-03 | Tolmar International Limited | Systems and methods for mixing syringe valve assemblies |
| USD1029245S1 (en) | 2022-06-22 | 2024-05-28 | Tolmar International Limited | Syringe connector |
-
1988
- 1988-12-13 JP JP16083388U patent/JPH0280777U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04272482A (en) * | 1990-07-24 | 1992-09-29 | Hitachi Constr Mach Co Ltd | Variable capacity type liquid pressure operated rotary machine with swash plate |
| US11771841B2 (en) | 2020-12-23 | 2023-10-03 | Tolmar International Limited | Systems and methods for mixing syringe valve assemblies |
| US11931559B2 (en) | 2020-12-23 | 2024-03-19 | Tolmar International Limited | Systems and methods for mixing syringe valve assemblies |
| USD1029245S1 (en) | 2022-06-22 | 2024-05-28 | Tolmar International Limited | Syringe connector |
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