JPH0360648U - - Google Patents
Info
- Publication number
- JPH0360648U JPH0360648U JP12195789U JP12195789U JPH0360648U JP H0360648 U JPH0360648 U JP H0360648U JP 12195789 U JP12195789 U JP 12195789U JP 12195789 U JP12195789 U JP 12195789U JP H0360648 U JPH0360648 U JP H0360648U
- Authority
- JP
- Japan
- Prior art keywords
- switching valve
- speed
- driving means
- pilot pipe
- reverse
- 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 3
- 239000010720 hydraulic oil Substances 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Gear-Shifting Mechanisms (AREA)
- Control Of Transmission Device (AREA)
Description
第１図は本考案の回路図、第２図は本考案によ
る圧力−時間特性図、第３図は従来の回路図、第
４図は第３図の回路による圧力−時間特性図であ
る。
１−３……多段変速用クラツチ（速度変速用摩
擦部材の一例）、１１……油圧ポンプ（動力手段
）、１３……前後進切換弁、１６……フローセン
シング弁、１８……速度切換弁、Ｆ……前進用ク
ラツチ（前進用摩擦部材の一例）、Ｒ……後進用
クラツチ（後進用摩擦部材の一例）、２０……絞
り、２２，２３……パイロツト管路。
1 is a circuit diagram of the present invention, FIG. 2 is a pressure-time characteristic diagram according to the present invention, FIG. 3 is a conventional circuit diagram, and FIG. 4 is a pressure-time characteristic diagram according to the circuit of FIG. 3. 1-3...Multi-stage shifting clutch (an example of a friction member for speed shifting), 11...Hydraulic pump (power means), 13...Forward/forward switching valve, 16...Flow sensing valve, 18... Speed switching valve , F... Forward clutch (an example of a forward friction member), R... Reverse clutch (an example of a reverse friction member), 20... Throttle, 22, 23... Pilot conduit.
Claims (1)
作動油を前進用摩擦部材及び後進用摩擦部材に択
一的に供給する前後進切換弁と、上記駆動手段か
ら供給される作動油を複数の速変速用摩擦部材に
択一的に供給する速度切換弁とを備えた多段変速
用トランスミツシヨンの油圧回路において、上記
駆動手段と上記速度切換弁との間に配置される絞
りと、上記絞りの前後に接続されるパイロツト管
路と、上記パイロツト管路の圧力差により開閉す
るフローセンシング弁とを備え、上記フローセン
シング弁は、上記駆動手段と上記前後進切換弁と
を接続するポートと、上記速度切換弁が切換わる
ことにより上記パイロツト管路に圧力差が生じた
場合に上記駆動手段からの作動油が遮断された状
態で上記前後進切換弁の作動油を排出するドレン
ポートとを備えたことを特徴とする多段変速用ト
ランスミツシヨンの油圧回路。 A driving means for hydraulic oil, a forward/reverse switching valve that selectively supplies the hydraulic oil supplied from the driving means to a forward friction member and a reverse friction member, and a forward/reverse switching valve that selectively supplies hydraulic oil supplied from the driving means to a plurality of In a hydraulic circuit of a multi-speed transmission transmission that includes a speed switching valve that selectively supplies a friction member for speed changing, a throttle disposed between the drive means and the speed switching valve, and a throttle that is arranged between the drive means and the speed switching valve; a pilot pipe connected before and after the pilot pipe, and a flow sensing valve that opens and closes depending on the pressure difference between the pilot pipe, the flow sensing valve having a port connecting the driving means and the forward/reverse switching valve; and a drain port for draining the hydraulic fluid of the forward/reverse switching valve while the hydraulic fluid from the driving means is cut off when a pressure difference occurs in the pilot pipe due to switching of the speed switching valve. A hydraulic circuit for a multi-speed transmission that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12195789U JPH0360648U (en) | 1989-10-17 | 1989-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12195789U JPH0360648U (en) | 1989-10-17 | 1989-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0360648U true JPH0360648U (en) | 1991-06-14 |
Family
ID=31669978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12195789U Pending JPH0360648U (en) | 1989-10-17 | 1989-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360648U (en) |
-
1989
- 1989-10-17 JP JP12195789U patent/JPH0360648U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4488457A (en) | Malfunction prevention device of automotive hydraulic transmission | |
| JPS54155357A (en) | Controller for hydraulic transmission of vehicle | |
| JPH0360648U (en) | ||
| JPH01149050U (en) | ||
| JPH0471854U (en) | ||
| JPH0187932U (en) | ||
| JPS622187B2 (en) | ||
| JPS627885Y2 (en) | ||
| JPH0144844Y2 (en) | ||
| JPH0335360U (en) | ||
| JPH08303572A (en) | Automatic transmission system for vehicles | |
| JPS6369841U (en) | ||
| JPS5817146Y2 (en) | Reduction/reversing machine | |
| JPS6148027B2 (en) | ||
| JPS60182548U (en) | Automatic transmission for vehicles equipped with creep prevention means | |
| JPH0449253U (en) | ||
| JPH0345263B2 (en) | ||
| JPS62147703U (en) | ||
| JPS6230054U (en) | ||
| JPS6262057U (en) | ||
| JPS62162441U (en) | ||
| JPH02136847U (en) | ||
| JPS6211229B2 (en) | ||
| JPH031546B2 (en) | ||
| JPH0177108U (en) |