JPH027017U - - Google Patents
Info
- Publication number
- JPH027017U JPH027017U JP8441088U JP8441088U JPH027017U JP H027017 U JPH027017 U JP H027017U JP 8441088 U JP8441088 U JP 8441088U JP 8441088 U JP8441088 U JP 8441088U JP H027017 U JPH027017 U JP H027017U
- Authority
- JP
- Japan
- Prior art keywords
- charge
- oil passage
- pump
- port block
- recess
- 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
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002706 hydrostatic effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Motor Power Transmission Devices (AREA)
Description
第１〜３図は本考案の実施例を示しており、第
１図は断面正面図、第２図は蓋を取外したポート
ブロツクの側面図、第３図は第２図の―線断
面図、第４図はチヤージリリーフ弁の変形例を示
す断面図、第５図は静油圧式トランスミツシヨン
の油圧回路図である。
１……静油圧式トランスミツシヨン、２……ケ
ーシング、３……ポートブロツク、４……ケース
、５……油圧ポンプ、６……油圧モータ、１１…
…入力軸、１９……出力軸、２７，２８……油路
、２９……チエツク弁、３１……チヤジ油路、３
２……チヤージポンプ、３７……吸入口、３８…
…吐出口、４１……油路、４２……オイルフイル
タ、Ａ１……凹部。
Figures 1 to 3 show an embodiment of the present invention, where Figure 1 is a sectional front view, Figure 2 is a side view of the port block with the lid removed, and Figure 3 is a sectional view taken along the line - - in Figure 2. 4 is a sectional view showing a modification of the charge relief valve, and FIG. 5 is a hydraulic circuit diagram of the hydrostatic transmission. DESCRIPTION OF SYMBOLS 1... Hydrostatic transmission, 2... Casing, 3... Port block, 4... Case, 5... Hydraulic pump, 6... Hydraulic motor, 11...
...Input shaft, 19...Output shaft, 27, 28...Oil passage, 29...Check valve, 31...Charge oil passage, 3
2...Charge pump, 37...Suction port, 38...
...Discharge port, 41...Oil path, 42...Oil filter, A1...Recess.
Claims (1)
れたケーシング２内に油圧ポンプ５と油圧モータ
６とを収納し、前記ポートブロツク３に油圧ポン
プ５と油圧モータ６とを接続する高低圧油路２７
，２８と、両油路２７，２８に接続されたチヤー
ジ油路３１とを形成し、このチヤージ油路３１に
前記油圧ポンプ５によつて駆動されるチヤージポ
ンプ３２を接続した静油圧式トランスミツシヨン
において、 前記ポートブロツク３に凹部Ａを形成し、この
凹部Ａにチヤージポンプ３２を納めると共に吐出
口３８を開口し、この吐出口３８とチヤージ油路
３１とを接続する油路４１をポートブロツク３内
に形成したことを特徴とする静油圧式トランスミ
ツシヨン。[Claims for Utility Model Registration] A hydraulic pump 5 and a hydraulic motor 6 are housed in a casing 2 formed by attaching a case 4 to a port block 3. High and low pressure oil line 27 connecting
, 28 and a charge oil passage 31 connected to both oil passages 27 and 28, and a charge pump 32 driven by the hydraulic pump 5 is connected to the charge oil passage 31. In this step, a recess A is formed in the port block 3, a charge pump 32 is housed in the recess A, a discharge port 38 is opened, and an oil passage 41 connecting the discharge port 38 and the charge oil passage 31 is inserted into the port block 3. A hydrostatic transmission characterized by being formed into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8441088U JPH027017U (en) | 1988-06-24 | 1988-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8441088U JPH027017U (en) | 1988-06-24 | 1988-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027017U true JPH027017U (en) | 1990-01-17 |
Family
ID=31309100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8441088U Pending JPH027017U (en) | 1988-06-24 | 1988-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027017U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6127366A (en) * | 1984-07-17 | 1986-02-06 | Kubota Ltd | Agricultural tractor transmission device |
-
1988
- 1988-06-24 JP JP8441088U patent/JPH027017U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6127366A (en) * | 1984-07-17 | 1986-02-06 | Kubota Ltd | Agricultural tractor transmission device |
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