JP2528854Y2 - Pilot valve - Google Patents
Pilot valveInfo
- Publication number
- JP2528854Y2 JP2528854Y2 JP1989049485U JP4948589U JP2528854Y2 JP 2528854 Y2 JP2528854 Y2 JP 2528854Y2 JP 1989049485 U JP1989049485 U JP 1989049485U JP 4948589 U JP4948589 U JP 4948589U JP 2528854 Y2 JP2528854 Y2 JP 2528854Y2
- Authority
- JP
- Japan
- Prior art keywords
- spherical
- disk
- fitted
- pilot valve
- lever
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Servomotors (AREA)
- Mechanically-Actuated Valves (AREA)
- Mechanical Control Devices (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、レバーを前後・左右に揺動することで圧油
を供給するパイロツト弁に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial application field] The present invention relates to a pilot valve that supplies pressure oil by swinging a lever back and forth and left and right.
第４図に示すように、弁本体１内に圧油ポート２を出
口ポート３に連通・遮断するスプール４を摺動自在に４
本設け、そのスプール４と同心状にガイド筒体５を設
け、このガイド筒体５の下部にリテーナ６を配設すると
共に、このリテーナ６を主バネ７でガイド筒体５に押し
つけてガイド筒体５に沿って摺動するピストン８を上方
に押し上げ保持し、バネ９でスプール４を遮断位置に保
持すると共に、弁本体１の上部にプレート10を取付け、
このプレート10の孔11よりユニバーサルジヨイント12の
基部12aを弁本体１の上部に螺合して取付け、そのユニ
バーサルジヨイント12の先部12bにレバー取付軸13を設
けると共に、デイスク14を取付けて、レバー取付軸13に
レバー15を設け、そのレバー15を前後・左右に揺動する
とデイスク14によっていずれか一つ又は２つのピストン
８が押し下げられてスプール４が連通位置となり、圧油
ポート２の圧油がスプール４の油孔4aより出口ポート３
に供給されるようにしたパイロツト弁が知られている。As shown in FIG. 4, a spool 4 for connecting / disconnecting the pressure oil port 2 to / from the outlet port 3 is slidably provided in the valve body 1.
A guide cylinder 5 is provided concentrically with the spool 4, a retainer 6 is provided below the guide cylinder 5, and the retainer 6 is pressed against the guide cylinder 5 by a main spring 7 to guide the cylinder 5. A piston 8 that slides along the body 5 is pushed upward and held, a spool 9 holds the spool 4 in a shut-off position, and a plate 10 is mounted on an upper portion of the valve body 1.
The base 12a of the universal joint 12 is screwed into the upper part of the valve body 1 from the hole 11 of the plate 10 and attached. The lever attachment shaft 13 is provided on the tip 12b of the universal joint 12, and the disk 14 is attached. When the lever 15 is provided on the lever mounting shaft 13 and the lever 15 swings back and forth and left and right, one or two pistons 8 are pushed down by the disk 14 and the spool 4 is brought into the communicating position, and the pressure oil port 2 Outlet port 3 from the oil hole 4a of the spool 4
There is known a pilot valve adapted to be supplied to a valve.
かかるパイロツト弁であると、レバー15を弁本体１に
対して前後・左右に揺動させるためにユニバーサルジヨ
イント12を用いているので、そのユニバーサルジヨイン
ト12自体の構造が複雑で多数の部品を必要と、コストが
高くなると共に、ユニバーサルジヨイント12が大型であ
るからパイロット弁全体を小型にすることができない。In such a pilot valve, since the universal joint 12 is used to swing the lever 15 back and forth and left and right with respect to the valve body 1, the structure of the universal joint 12 itself is complicated and a large number of parts are required. The necessity and cost are increased, and the entire pilot valve cannot be reduced in size because the universal joint 12 is large.
そこで、本考案は前述の課題を解決できるようにした
パイロット弁を提供することを目的とする。Therefore, an object of the present invention is to provide a pilot valve capable of solving the above-mentioned problem.
第１の考案は、弁本体１に、圧油ポート２と出口ポー
ト３を連通・遮断する４本のスプール４及びその各スプ
ール４を移動する４本のピストン８を設け、この各ピス
トン８をレバー15に設けたデイスク14を前後・左右に揺
動することで移動してスプール４を連通位置とするパイ
ロット弁において、 前記弁本体１に球状部20を設け、前記デイスク14に球
状凹部23を設け、この球状凹部23と前記球状部20を嵌合
してボールジョイント24とし、前記球状部20の中心に、
横断面形状が多角形状の回り止め凹部30を上面に開口し
て形成し、 前記デイスク14に回り止め部材29を、前記球状凹部23
の中心に突出して設け、この回り止め部材29を、上下方
向に円弧状で横方向に平面となった面29aを前記回り止
め凹部30の角と同一の数だけ有する多面体形状とし、 前記球状凹部23と球状部20を嵌合することで回り止め
部材29が回り止め凹部30内にレバー軸回りに相対回転し
ないように嵌合させたパイロット弁である。In the first invention, the valve body 1 is provided with four spools 4 for communicating and blocking the pressure oil port 2 and the outlet port 3 and four pistons 8 for moving the respective spools 4. In a pilot valve in which the disk 14 provided on the lever 15 is swung back and forth and right and left to move the spool 4 to the communicating position, a spherical portion 20 is provided on the valve body 1, and a spherical concave portion 23 is provided on the disk 14. The spherical concave portion 23 and the spherical portion 20 are fitted together to form a ball joint 24, and at the center of the spherical portion 20,
A detent recess 30 having a polygonal cross-sectional shape is formed by opening on the upper surface, and a detent member 29 is attached to the disc 14 by the spherical recess 23.
The detent member 29 is formed into a polyhedral shape having the same number of surfaces 29a as arcs in the vertical direction and flat in the lateral direction as the number of corners of the detent recess 30. This is a pilot valve in which the rotation preventing member 29 is fitted into the rotation preventing concave portion 30 so as not to relatively rotate around the lever axis by fitting the spherical member 20 with the spherical member 23.
第２の考案は、弁本体１に、圧油ポート２と出口ポー
ト３を連通・遮断する４本のスプール４及びその各スプ
ール４を移動する４本のピストン８を設け、この各ピス
トン８をレバー15に設けたデイスク14を前後・左右に揺
動することで移動してスプール４を連通位置とするパイ
ロット弁において、 前記弁本体１に球状部20を設け、前記デイスク14に球
状凹部23を設け、この球状凹部23と前記球状部20を嵌合
してボールジョイント24とし、 前記球状部20の中心に縦孔31を、上面に開口して形成
し、前記デイスク14に縦穴32を、球状凹部23の中心に開
口して形成し、 前記縦孔31にバネ材33の長手方向一端部を回転しない
ように嵌合して連結し、このバネ材33の長手方向他端部
を前記縦孔32に回転しないように嵌合して連結し、その
バネ材33によってデイスク14を中立姿勢に保持したパイ
ロット弁である。In the second invention, the valve body 1 is provided with four spools 4 for communicating and blocking the pressure oil port 2 and the outlet port 3 and four pistons 8 for moving the respective spools 4. In a pilot valve in which the disk 14 provided on the lever 15 is swung back and forth and right and left to move the spool 4 to the communicating position, a spherical portion 20 is provided on the valve body 1, and a spherical concave portion 23 is provided on the disk 14. A spherical joint 23 is formed by fitting the spherical concave portion 23 and the spherical portion 20 to form a ball joint 24. A vertical hole 31 is formed at the center of the spherical portion 20 with an opening on the upper surface, and a vertical hole 32 is formed in the disk 14. An opening is formed at the center of the recess 23, and one end in the longitudinal direction of the spring material 33 is fitted and connected to the vertical hole 31 so as not to rotate, and the other end in the longitudinal direction of the spring material 33 is connected to the vertical hole. 32 so that they do not rotate, and are connected to each other. 4 is a pilot valve that holds the neutral position.
第１の考案によれば、デイスク14をボールジョイント
24で弁本体１に揺動自在に設け、そのボールジョイント
24は球状部20とデイスク14に形成した球状凹部23より構
成したので、デイスク14の取付部を構造簡単で部品点数
を少なくして安価にできると共に、取付部をコンパクト
にしてパイロット弁全体をコンパクトにできる。According to the first invention, the disk 14 is ball jointed
24 is provided on the valve body 1 so that it can swing freely, and its ball joint
24 is composed of a spherical part 20 and a spherical concave part 23 formed in the disk 14, so that the mounting part of the disk 14 can be simplified and the number of parts can be reduced and the cost can be reduced, and the mounting part can be made compact and the whole pilot valve can be made compact. Can be.
また、球状部20の回り止め凹部30に嵌合した回り止め
部材29は、その回り止め凹部30に対して前後・左右方向
に揺動できるがレバー軸回りとは回転しないので、デイ
スク14は球状部20に対してレバー軸回りに回転運動しな
いので、誤操作することがない。The detent member 29 fitted in the detent recess 30 of the spherical portion 20 can swing back and forth with respect to the detent recess 30, but does not rotate around the lever axis. Since there is no rotational movement about the lever axis with respect to the part 20, there is no erroneous operation.
しかも、球状部20と球状凹部23を嵌合すると同時に回
り止め凹部30と回り止め部材29が嵌合するから、組立作
業が簡単となる。In addition, since the detent recess 30 and the detent member 29 are simultaneously fitted together with the spherical portion 20 and the spherical recess 23, the assembling work is simplified.
第２の考案によれば、デイスク14をボールジョイント
24で弁本体１に揺動自在に設け、そのボールジョイント
24は球状部20とデイスク14に形成した球状凹部23より構
成したので、デイスク14の取付部を構造簡単で部品点数
を少なくして安価にできると共に、取付部をコンパクト
にしてパイロット弁全体をコンパクトにできる。According to the second invention, the disk 14 is connected to a ball joint.
24 is provided on the valve body 1 so that it can swing freely, and its ball joint
24 is composed of a spherical part 20 and a spherical concave part 23 formed in the disk 14, so the mounting part of the disk 14 can be simplified and the number of parts can be reduced and the cost can be reduced. Can be.
また、球状部20とデイスク14はバネ材33を弾性変形す
ることで相対的に前後・左右方向に揺動できるがレバー
軸回りとは相対的に回転しないので、デイスク14は球状
部20に対してレバー軸回りに回転運動しないので、誤操
作することがない。The spherical portion 20 and the disk 14 can relatively swing back and forth and left and right by elastically deforming the spring material 33, but do not rotate relatively around the lever axis. As it does not rotate around the lever axis, there is no erroneous operation.
しかも、バネ材33でデイスク14を中立姿勢に保持して
いるから、レバー15から手を離すことでデイスク14が自
動的に中立姿勢となって出口ポート３から圧油が出力さ
れなくなる。In addition, since the disk 14 is held in the neutral position by the spring member 33, when the hand is released from the lever 15, the disk 14 is automatically set to the neutral position, and no pressure oil is output from the outlet port 3.
第１図に示すように、球状部20を備えたネジ杆21を弁
本体１のネジ穴22に螺合し、デイスク14の球状凹部23を
球状部20に揺動自在に嵌合しかつカシメてボールジヨイ
ント24とし、そのデイスク14の下面14aをピストン８の
上部に当接する。As shown in FIG. 1, a screw rod 21 having a spherical portion 20 is screwed into a screw hole 22 of the valve body 1, a spherical concave portion 23 of the disk 14 is fitted into the spherical portion 20 in a swingable manner, and caulked. The lower surface 14a of the disk 14 contacts the upper portion of the piston 8.
前記デイスク14のネジ孔27にレバー取付軸13のネジ部
13aが螺合して固定され、そのレバー取付軸13の先端に
回り止め部材29が設けてあり、この回り止め部材29が前
記球状部20の回り止め凹部30に嵌合している。The screw portion of the lever mounting shaft 13 is inserted into the screw hole 27 of the disc 14
13a is screwed and fixed, and a detent member 29 is provided at the tip of the lever mounting shaft 13. The detent member 29 is fitted in the detent recess 30 of the spherical portion 20.
前記回り止め部材29は第２図のように、上下方向に円
弧上で横方向に平面となった面29aを６個備えた六面体
形状となり、前記回り止め凹部30は六角形状となって、
回り止め部材29を回り止め凹部30内に嵌合すると回り止
め部材29は回り止め凹部30に沿って前後・左右に揺動で
きるが、回転方向には相互に回転できないようにしてあ
る。As shown in FIG. 2, the detent member 29 has a hexahedral shape having six surfaces 29a that are horizontally flat on an arc in the vertical direction, and the detent recess 30 has a hexagonal shape.
When the detent member 29 is fitted into the detent recess 30, the detent member 29 can swing back and forth and left and right along the detent recess 30, but cannot rotate in the rotation direction.
なお、六面体形状が基本であるが、それ以外の多面体
形状としても良い。Although a hexahedral shape is basically used, other polyhedral shapes may be used.
しかして、レバー13を前後・左右に揺動するとデイス
ク14は球状部20の回りに前後・左右に揺動していずれか
１つ又は２つのピストン８を押し、いずれか１つの又は
２つのスプール４を連通位置に移動できる。When the lever 13 swings back and forth and left and right, the disk 14 swings back and forth and left and right around the spherical portion 20 to push one or two pistons 8 and one or two spools. 4 can be moved to the communication position.
また、レバー13は回り止め部材29と回り止め凹部30と
によって回転運動しないようになっているから、誤操作
することがない。Further, the lever 13 is prevented from rotating by the rotation preventing member 29 and the rotation preventing concave portion 30, so that there is no erroneous operation.
第３図に示すように、球状部20の中心に縦孔31を形成
し、デイスク14の中心に縦穴32を形成い、この縦穴32と
縦孔31とに亘ってバネ材33を嵌挿すると共に、そのバネ
材33の下部角柱部33a、上部角柱部33bを縦孔31の下部及
び縦穴32の上部に回転しないように嵌合して連結し、バ
ネ材33によってデイスク14が球状部20に対してレバー軸
回りに回転運動しないようにしても良い。As shown in FIG. 3, a vertical hole 31 is formed at the center of the spherical portion 20, a vertical hole 32 is formed at the center of the disk 14, and a spring material 33 is fitted over the vertical hole 32 and the vertical hole 31. At the same time, the lower prism portion 33a and the upper prism portion 33b of the spring material 33 are fitted and connected to the lower portion of the vertical hole 31 and the upper portion of the vertical hole 32 so as not to rotate, and the disk 14 is connected to the spherical portion 20 by the spring material 33. On the other hand, it may not be rotated around the lever axis.
このようにすれば、バネ材33によってデイスク14を中
立姿勢に保持できる。In this way, the disk 14 can be held in the neutral position by the spring member 33.
第１の考案によれば、デイスク14をボールジョイント
24で弁本体１に揺動自在に設け、そのボールジョイント
24は球状部20とデイスク14に形成した球状凹部23より構
成したので、デイスク14の取付部を構造簡単で部品点数
を少なくして安価にできると共に、取付部をコンパクト
にしてパイロット弁全体をコンパクトにできる。According to the first invention, the disk 14 is ball jointed
24 is provided on the valve body 1 so that it can swing freely, and its ball joint
24 is composed of a spherical part 20 and a spherical concave part 23 formed in the disk 14, so the mounting part of the disk 14 can be simplified and the number of parts can be reduced and the cost can be reduced. Can be.
また、球状部20の回り止め凹部30に嵌合した回り止め
部材29は、その回り止め凹部30に対して前後・左右方向
に揺動できるレバー軸回りとは回転しないので、デイス
ク14は球状部20に対してレバー軸回りに回転運動しない
ので、誤操作することがない。In addition, since the detent member 29 fitted in the detent recess 30 of the spherical portion 20 does not rotate around the lever axis that can swing back and forth and left and right with respect to the detent recess 30, the disk 14 is Since there is no rotational movement around the lever axis with respect to 20, there is no erroneous operation.
しかも、球状部20と球状凹部23を嵌合すると同時に回
り止め凹部30と回り止め部材29が嵌合するから、組立作
業が簡単となる。In addition, since the detent recess 30 and the detent member 29 are simultaneously fitted together with the spherical portion 20 and the spherical recess 23, the assembling work is simplified.
第２の考案によれば、デイスク14をボールジョイント
24で弁本体１に揺動自在に設け、そのボールジョイント
24は球状部20とデイスク14に形成した球状凹部23より構
成したので、デイスク14の取付部を構造簡単で部品点数
を少なくして安価にできると共に、取付部をコンパクト
にしてパイロット弁全体をコンパクトにできる。According to the second invention, the disk 14 is connected to a ball joint.
24 is provided on the valve body 1 so that it can swing freely, and its ball joint
24 is composed of a spherical part 20 and a spherical concave part 23 formed in the disk 14, so the mounting part of the disk 14 can be simplified and the number of parts can be reduced and the cost can be reduced. Can be.
また、球状部20とデイスク14はバネ材33を弾性変形す
ることで相対的に前後・左右方向に揺動できるレバー軸
回りとは相対的に回転しないので、デイスク14は球状部
20に対してレバー軸回りに回転運動しないので、誤操作
することがない。In addition, since the spherical portion 20 and the disk 14 do not relatively rotate around a lever axis that can swing relatively back and forth and left and right directions by elastically deforming the spring material 33, the disk 14 has a spherical portion.
Since there is no rotational movement around the lever axis with respect to 20, there is no erroneous operation.
しかも、バネ材33でデイスク14を中立姿勢に保持して
いるから、レバー15から手を離すことでデイスク14が自
動的に中立姿勢となって出口ポート３から圧油が出力さ
れなくなる。In addition, since the disk 14 is held in the neutral position by the spring member 33, when the hand is released from the lever 15, the disk 14 is automatically set to the neutral position, and no pressure oil is output from the outlet port 3.
第１図は本考案の実施例を示す断面図、第２図は球状部
と回り止め部材の分解斜視図、第３図は他の実施例の断
面図、第４図は従来例の断面図である。 １は弁本体、２は圧油ポート、３は出口ポート、４はス
プール、８はピストン、14はデイスク、15はレバー、20
は球状部、23は球状凹部、24はボールジヨイント。FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is an exploded perspective view of a spherical portion and a detent member, FIG. 3 is a sectional view of another embodiment, and FIG. 4 is a sectional view of a conventional example. It is. 1 is a valve body, 2 is a pressure oil port, 3 is an outlet port, 4 is a spool, 8 is a piston, 14 is a disk, 15 is a lever, 20
Is a spherical part, 23 is a spherical concave part, and 24 is a ball joint.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭60−132180（ＪＰ，Ａ) 実開 昭63−119124（ＪＰ，Ｕ) 実開 昭59−149526（ＪＰ，Ｕ) 実開 昭58−189814（ＪＰ，Ｕ) 実開 昭61−193264（ＪＰ，Ｕ) 実開 昭61−45619（ＪＰ，Ｕ) 実公 昭55−18616（ＪＰ，Ｙ２) 実公 昭55−33041（ＪＰ，Ｙ２) ──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-60-132180 (JP, A) JP-A-63-119124 (JP, U) JP-A-59-149526 (JP, U) JP-A-58- 189814 (JP, U) Japanese Utility Model Showa 61-193264 (JP, U) Japanese Utility Model Showa 61-45619 (JP, U) Japanese Utility Model Showa 55-18616 (JP, Y2) Japanese Utility Model Utility Model Showa 55-33041 (JP, Y2)
Claims (2)
を連通・遮断する４本のスプール４及びその各スプール
４を移動する４本のピストン８を設け、この各ピストン
８をレバー15に設けたデイスク14を前後・左右に揺動す
ることで移動してスプール４を連通位置とするパイロッ
ト弁において、 前記弁本体１に球状部20を設け、前記デイスク14に球状
凹部23を設け、この球状凹部23と前記球状部20を嵌合し
てボールジョイント24とし、 前記球状部20の中心に、横断面形状が多角形状の回り止
め凹部30を上面に開口して形成し、 前記デイスク14に回り止め部材29を、前記球状凹部23の
中心に突出して設け、この回り止め部材29を、上下方向
に円弧状で横方向に平面となった面29aを前記回り止め
凹部30の角と同一の数だけ有する多面体形状とし、 前記球状凹部23と球状部20を嵌合することで回り止め部
材29が回り止め凹部30内にレバー軸回りに相対回転しな
いように嵌合させたことを特徴とするパイロット弁。A pressure oil port and an outlet port are provided in a valve body.
And four pistons 8 for moving each of the spools 4. The pistons 8 are moved by swinging a disk 14 provided on a lever 15 back and forth, left and right. In the pilot valve having the spool 4 as the communicating position, the valve body 1 is provided with a spherical portion 20, the disk 14 is provided with a spherical concave portion 23, and the spherical concave portion 23 and the spherical portion 20 are fitted to each other to form a ball joint 24. In the center of the spherical portion 20, a detent recess 30 having a polygonal cross-sectional shape is formed by opening on the upper surface, and a detent member 29 is provided on the disk 14 so as to protrude from the center of the spherical recess 23. The anti-rotation member 29 has a polyhedral shape having the same number of corners of the anti-rotation recess 30 as the surface 29a, which has an arc-like shape in the vertical direction and has a flat surface in the horizontal direction. By fitting, the detent member 29 rotates A pilot valve, wherein the pilot valve is fitted into the stop recess 30 so as not to rotate relative to the lever axis.
を連通・遮断する４本のスプール４及びその各スプール
４を移動する４本のピストン８を設け、この各ピストン
８をレバー15に設けたデイスク14を前後・左右に揺動す
ることで移動してスプール４を連通位置とするパイロッ
ト弁において、 前記弁本体１に球状部20を設け、前記デイスク14に球状
凹部23を設け、この球状凹部23と前記球状部20を嵌合し
てボールジョイント24とし、 前記球状部20の中心に縦孔31を、上面に開口して形成
し、前記デイスク14に縦穴32を、球状凹部23の中心に開
口して形成し、 前記縦孔31にバネ材33の長手方向一端部を回転しないよ
うに嵌合して連結し、このバネ材33の長手方向他端部を
前記縦孔32に回転しないように嵌合して連結し、そのバ
ネ材33によってデイスク14を中立姿勢に保持したことを
特徴とするパイロット弁。2. A pressure oil port 2 and an outlet port 3 in a valve body 1.
And four pistons 8 for moving each of the spools 4. The pistons 8 are moved by swinging a disk 14 provided on a lever 15 back and forth, left and right. In the pilot valve having the spool 4 as the communicating position, the valve body 1 is provided with a spherical portion 20, the disk 14 is provided with a spherical concave portion 23, and the spherical concave portion 23 and the spherical portion 20 are fitted to each other to form a ball joint 24. A vertical hole 31 is formed in the center of the spherical portion 20 with an opening on the upper surface, a vertical hole 32 is formed in the disk 14 and an opening is formed in the center of the spherical concave portion 23, and a spring material 33 is formed in the vertical hole 31. One end in the longitudinal direction of the spring member 33 is fitted and connected so as not to rotate, and the other end in the longitudinal direction of the spring member 33 is fitted and connected to the vertical hole 32 so as not to rotate. Pilot valve characterized by holding 14 in neutral position.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989049485U JP2528854Y2 (en) | 1989-04-28 | 1989-04-28 | Pilot valve |
| EP90907391A EP0432270B1 (en) | 1989-04-28 | 1990-04-25 | Pilot valve |
| US07/628,401 US5184646A (en) | 1989-04-28 | 1990-04-25 | Pilot valve |
| PCT/JP1990/000541 WO1990013766A1 (en) | 1989-04-28 | 1990-04-25 | Pilot valve |
| DE69012294T DE69012294T2 (en) | 1989-04-28 | 1990-04-25 | PILOT VALVE. |
| KR1019900702687A KR920700372A (en) | 1989-04-28 | 1990-04-25 | Pilot valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989049485U JP2528854Y2 (en) | 1989-04-28 | 1989-04-28 | Pilot valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02140004U JPH02140004U (en) | 1990-11-22 |
| JP2528854Y2 true JP2528854Y2 (en) | 1997-03-12 |
Family
ID=31567216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989049485U Expired - Lifetime JP2528854Y2 (en) | 1989-04-28 | 1989-04-28 | Pilot valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2528854Y2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5518616U (en) * | 1978-07-21 | 1980-02-06 | ||
| JPS59149526U (en) * | 1983-03-26 | 1984-10-05 | 日産自動車株式会社 | Shift lever support structure |
| JPS60132180A (en) * | 1983-12-19 | 1985-07-15 | Mitsubishi Heavy Ind Ltd | Remote control valve |
| JPH05421Y2 (en) * | 1987-01-29 | 1993-01-07 |
-
1989
- 1989-04-28 JP JP1989049485U patent/JP2528854Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02140004U (en) | 1990-11-22 |
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