JPH01141954U - - Google Patents
Info
- Publication number
- JPH01141954U JPH01141954U JP3789288U JP3789288U JPH01141954U JP H01141954 U JPH01141954 U JP H01141954U JP 3789288 U JP3789288 U JP 3789288U JP 3789288 U JP3789288 U JP 3789288U JP H01141954 U JPH01141954 U JP H01141954U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- hydraulic pump
- variable displacement
- feedback
- automatic transmission
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Fluid Gearings (AREA)
Description
第１図は本考案の一実施例を示す要部構成図で
ある。
１０…容量制御装置、１２…可変容量型液圧ポ
ンプ、２０…プレツシヤーレギユタータ弁（調圧
弁）、２４…容量制御アクチユエータ、３２…コ
ントロールバルブ、４０…オーバーランクラツチ
レデユーシング弁（減圧弁）、４２…フアースト
レデユーシング弁（減圧弁）、４４…トルクコン
バータリリーフ弁（減圧弁）。
FIG. 1 is a block diagram of main parts showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 10... Capacity control device, 12... Variable displacement hydraulic pump, 20... Pressure regulator valve (pressure regulating valve), 24... Capacity control actuator, 32... Control valve, 40... Overrun clutch reducing valve ( 42... first reducing valve (pressure reducing valve), 44... torque converter relief valve (pressure reducing valve).
Claims (1)
型液圧ポンプが用いられ、該可変容量型液圧ポン
プの容量制御が、特定の調圧弁から出力されるフ
イードバツク圧によつて行われる自動変速機にお
いて、 上記可変容量型液圧ポンプの吐出液圧が導入さ
れる任意の調圧弁又は減圧弁のドレンポート圧を
フイードバツク補助圧とし、該フイードバツク補
助圧と上記フイードバツク圧とをもつて該可変容
量型液圧ポンプの容量制御を行うことを特徴とす
る自動変速機用液圧ポンプの容量制御装置。[Claims for Utility Model Registration] A variable displacement hydraulic pump is used as a source of control hydraulic pressure for an automatic transmission, and the displacement control of the variable displacement hydraulic pump is controlled by feedback output from a specific pressure regulating valve. In an automatic transmission operated by pressure, the drain port pressure of any pressure regulating valve or pressure reducing valve into which the discharge hydraulic pressure of the variable displacement hydraulic pump is introduced is used as feedback auxiliary pressure, and the feedback auxiliary pressure and the above feedback 1. A capacity control device for a hydraulic pump for an automatic transmission, characterized in that the capacity of the variable displacement hydraulic pump is controlled using pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988037892U JP2501951Y2 (en) | 1988-03-23 | 1988-03-23 | Capacity control device for hydraulic pump for automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988037892U JP2501951Y2 (en) | 1988-03-23 | 1988-03-23 | Capacity control device for hydraulic pump for automatic transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01141954U true JPH01141954U (en) | 1989-09-28 |
| JP2501951Y2 JP2501951Y2 (en) | 1996-06-19 |
Family
ID=31264466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988037892U Expired - Lifetime JP2501951Y2 (en) | 1988-03-23 | 1988-03-23 | Capacity control device for hydraulic pump for automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501951Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101339241B1 (en) * | 2011-12-09 | 2013-12-09 | 현대자동차 주식회사 | Control circuit for variable vane oil pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6165289U (en) * | 1984-10-04 | 1986-05-02 | ||
| JPS61215851A (en) * | 1985-03-19 | 1986-09-25 | Aisin Warner Ltd | Controller for variable capacity pump |
-
1988
- 1988-03-23 JP JP1988037892U patent/JP2501951Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6165289U (en) * | 1984-10-04 | 1986-05-02 | ||
| JPS61215851A (en) * | 1985-03-19 | 1986-09-25 | Aisin Warner Ltd | Controller for variable capacity pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501951Y2 (en) | 1996-06-19 |
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