JPH01305136A - Throttle valve tuning mechanism in butterfly type multi-carburettor - Google Patents
Throttle valve tuning mechanism in butterfly type multi-carburettorInfo
- Publication number
- JPH01305136A JPH01305136A JP13349888A JP13349888A JPH01305136A JP H01305136 A JPH01305136 A JP H01305136A JP 13349888 A JP13349888 A JP 13349888A JP 13349888 A JP13349888 A JP 13349888A JP H01305136 A JPH01305136 A JP H01305136A
- Authority
- JP
- Japan
- Prior art keywords
- throttle valve
- lever
- carburetor
- throttle
- tuning
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 238000005524 ceramic coating Methods 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 238000005498 polishing Methods 0.000 abstract description 5
- 239000008267 milk Substances 0.000 abstract 1
- 210000004080 milk Anatomy 0.000 abstract 1
- 235000013336 milk Nutrition 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 6
- 239000006200 vaporizer Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は機関へ供給する混合気の濃度及び量を制御する
気化器に関し、特に吸気道を開閉制御する絞り弁をバタ
フライ型とし、しかも側方へ複数個配置した多連気化器
の絞り弁の同調機構に関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a carburetor that controls the concentration and amount of air-fuel mixture supplied to an engine. This invention relates to a tuning mechanism for throttle valves of multiple carburetors arranged in multiple directions.
従来、使用されているバタフライ型多連気化器における
絞り弁の同調機構について第１図により説明する。A tuning mechanism of a throttle valve in a conventionally used butterfly type multiple carburetor will be explained with reference to FIG.
Ａは多連気化器を構成する第１の気化器であり、以下の
構成よりなる。 ＩＡは内部を吸気道２Ａが貫通した気
化器本体であって、気化器本体ＩＡには吸気道２Ａを横
断する絞り弁軸３Ａが回動自在に軸支される。この絞り
弁軸３Ａには、吸気道２Ａを開閉制御するバタフライ型
の絞り弁４Ａが取着され、気化器本体ＩＡより図におい
て左方へ突出する絞り弁軸３Ａの端部３Ｃには曲げ腕部
５Ａを有する］字状の第１絞り弁し八−５がカシメにて
固着される。そして、この第１絞り弁し八−５は鋼板に
て形成される。A is a first vaporizer constituting a multiple vaporizer, and has the following configuration. IA is a carburetor body through which an intake passage 2A passes, and a throttle valve shaft 3A that crosses the intake passage 2A is rotatably supported on the carburetor body IA. A butterfly-type throttle valve 4A that controls opening and closing of the intake passage 2A is attached to the throttle valve shaft 3A, and an end 3C of the throttle valve shaft 3A that protrudes from the carburetor main body IA to the left in the figure has a bent arm. ]-shaped first throttle valve 8-5 having a portion 5A is fixed by caulking. The first throttle valve 8-5 is made of a steel plate.
一方、Ｂは同様に多連気化器を構成する第２の気化器で
あって、第１の気化器Ａと同一構造のものは同一数字を
用い束部をＢとして説明を省略する。On the other hand, B is a second carburetor that similarly constitutes a multiple carburetor, and those having the same structure as the first carburetor A are designated by the same numerals and the bundle portion is designated as B, and the description thereof will be omitted.
６は第２の気化器Ｂの気化器本体ＩＢより図において右
方に突出した絞り弁軸３Ｂの端部３０に取着したコ字状
の第２絞り弁レバーであり、これは上腕部６Ａと下腕部
６Ｂを有するもので、このコ字状の第２絞り弁し／へ−
６の上腕部θＡと下腕部６Ｂとの間に］字状の第１絞り
弁レバー５の曲げ腕部５Ａが配置される。6 is a U-shaped second throttle valve lever attached to the end 30 of the throttle valve shaft 3B that protrudes rightward in the figure from the carburetor main body IB of the second carburetor B, and this is attached to the upper arm part 6A. and a lower arm portion 6B, and this U-shaped second throttle valve
A bent arm portion 5A of the first throttle valve lever 5 is disposed between the upper arm portion θA and the lower arm portion 6B of the first throttle valve lever 5.
尚、第１の気化器Ａと第２の気化器Ｂの各絞り弁軸３Ａ
、 ３Ｂの長手軸心方向は側方に一直線上に配置される
。そして、第２絞り弁レバー６の上腕部６Ａには軟鋼材
料よりなる同調スクリュー７が螺着され、この端部７Ａ
は第１絞り弁レバー５の曲げ腕部５Ａの上面に当接され
る。また、第２絞り弁レバー６の下腕部６Ｂと第１絞り
弁レバー５の曲げ腕部５Ａの下面との間にはスプリング
８が縮設される。In addition, each throttle valve shaft 3A of the first carburetor A and the second carburetor B
, 3B are arranged laterally in a straight line. A tuning screw 7 made of a mild steel material is screwed onto the upper arm portion 6A of the second throttle valve lever 6, and this end portion 7A
is brought into contact with the upper surface of the bent arm portion 5A of the first throttle valve lever 5. Further, a spring 8 is compressed between the lower arm portion 6B of the second throttle valve lever 6 and the lower surface of the bent arm portion 5A of the first throttle valve lever 5.
かかる従来の絞り弁の同調機構によると、絞り弁の同調
を合わせるには第１の気化器Ａの絞り弁４Ａを規定開度
にセットした後に同調スクリュー７を螺動するものであ
り、これによると第２の気化器の絞り弁４Ｂの開度を制
御できるもので、この同調スクリュー７の螺動によって
第１の気化器Ａと第２の気化器Ｂとの絞り弁４Ａ、 ４
Ｂを同一開度に同調し得るものである。According to such a conventional throttle valve tuning mechanism, in order to tune the throttle valve, the throttle valve 4A of the first carburetor A is set to a specified opening degree, and then the tuning screw 7 is screwed. The opening degree of the throttle valve 4B of the first carburetor A and the second carburetor B can be controlled by the threading of this synchronizing screw 7.
B can be tuned to the same opening degree.
かかる構造を有する絞り弁の同調機構において、各気化
器Ａ、Ｈの絞り弁軸３Ａ、 ３Ｂの長手軸心方向は完全
に同一直線上に配置されなければならない、なんとなれ
ば、絞り弁軸３Ａ、 ３Ｂの長手軸心方向に芯ズレが生
じると絞り弁４Ａ、 ４Ｂの回転時に同調スクリュー７
の端部７Ａと第１絞り弁レバー５の曲げ腕部５Ａの上面
との当接面にコスレ摺動が生じて好ましくないからであ
る。In the throttle valve tuning mechanism having such a structure, the longitudinal axes of the throttle valve shafts 3A and 3B of each carburetor A and H must be arranged completely on the same straight line. , If misalignment occurs in the longitudinal axis direction of 3B, the tuning screw 7 will move when the throttle valves 4A and 4B rotate.
This is because the abutment surface between the end portion 7A of the first throttle valve lever 5 and the upper surface of the bent arm portion 5A of the first throttle valve lever 5 may cause sliding movement, which is undesirable.
ここで、この絞り弁軸３Ａ、 ３Ｂを回動自在に軸支す
る気化器本体Ａ、Ｂに穿設される軸孔９Ａ及び８Ｂの加
工方法をみると、その加工時に両側方より同時加工する
と、機械精度の点より軸孔！３Ａ、 ９Ａ及び９Ｂ、
９Ｂの同志精度は出しにくいもので、また、−側方より
軸孔９Ａ、 ９Ａ及び９８．９Ｂを加工すると、−方の
軸孔９Ａを加工した後に吸気道２Ａの空間部に刃具が突
出し、その後に吸気道２Ａの内側のＲ状面に刃具の先端
が当たりブレが生じ易く、これまた同志精度は出しにく
いものである。Here, looking at the method of machining the shaft holes 9A and 8B drilled in the carburetor bodies A and B that rotatably support the throttle valve shafts 3A and 3B, it is found that when machining them, it is possible to simultaneously machine them from both sides. , shaft hole from the point of view of mechanical precision! 3A, 9A and 9B,
It is difficult to achieve comrade accuracy for 9B, and if the shaft holes 9A, 9A and 98.9B are machined from the - side, the cutting tool will protrude into the space of the intake passage 2A after machining the - side shaft hole 9A. Thereafter, the tip of the cutting tool hits the R-shaped surface inside the intake passage 2A, which tends to cause blurring, and it is also difficult to achieve precision.
従って、かかる軸孔の加工は例えば刃具の送り速度を極
めて遅くしたり、刃具の交換頻度を早めたり、あるいは
機械の治具のセットに時間をかけて精度を出したりする
ことによって所望の同志精度を得ているものであるが、
このような軸孔の製作手法を取ることば軸孔の同志精度
を得る上より必要なものであるが加工のタクトタイムが
増加して気化器の製造コスト高を招来して好ましくない
。Therefore, the machining of such a shaft hole can be achieved by, for example, reducing the feed rate of the cutting tool extremely, increasing the frequency of replacing the cutting tool, or taking time to set the machine jig to achieve the desired accuracy. Although it is obtained,
Although this method of manufacturing the shaft hole is necessary to obtain the same accuracy of the shaft hole, it is undesirable because it increases the machining takt time and increases the manufacturing cost of the carburetor.
〔課題を解決する為の手段〕 〔作用〕本発明になる絞
り弁の同調機構は、絞り弁軸を回動自在に軸支する軸孔
の同志精度をそれ程あげることなく、仮に同調スクリュ
ーの端部と第１絞り弁レバーの曲げ腕部の上面との当接
面にコスレ摺動が発生しても当接部が摩耗することのな
いバタフライ型多連気化器における絞り弁の同調機構を
提供することにあり、前記目的達成の為に気化器本体１
Ａ、 ＩＢを貫通する吸気道２Ａ、 ２Ｂ内を気化器本
体ＬＡ、 ＩＢに回動自在に軸支された絞り弁軸３Ａ、
３Ｂが横断し、該絞り弁軸には吸気道２Ａ、 ２Ｂを
開閉制御するバタフライ型の絞り弁４Ａ、 ４Ｂを配置
した／へタフライ型気化器の側方に複数個配置するとと
もに各気化器Ａ、Ｈの絞り弁軸３Ａ、 ３Ｂの長手軸心
方向を側方に一直線に配置し、第１の気化器Ａの絞り弁
軸３Ａの端部３Ｃに］字状の第１絞り弁レバー５を配置
し、前記第１の気化器に対向する第２の気化器Ｂの絞り
弁軸３Ｂの端部３０にコ字状の第２絞り弁レバー６を配
置するとともに前記１字状の第１絞り弁レバー５の曲げ
腕部５Ａを二字状の第２絞り弁レバー６の上腕部６Ａと
下腕部６Ｂとの間に配置し、上腕部６Ａに螺着せる同調
スクリュー７の端部７Ａを第１絞り弁レバー５の曲げ腕
部５Ａの上面に当接させるとともに第１絞り弁レバー５
の曲げ腕部５Ａの下面と、第２絞り弁し八−６の下腕部
６Ｂとの間にスプリングＳを縮設したバタフライ型多連
気化器における絞り弁の同ｆｆ１機構において、軟鋼材
料にて形成した同調スクリュー７の少なくとも第１絞り
弁レバー５の曲げ腕部５Ａに当接する先端部７Ａを研磨
仕上げするとともに第１絞り弁レバー５を鋼板にて形成
し、セラミックコーティング処理したものであり、これ
によると非常になめらかで且つ硬い第１絞り弁レバーの
曲げ腕部の上面に同調スクリューの端部が当接するので
、同調スクリューの端部と第１絞り弁レバーの曲げ腕部
との当接部にコスレ摺動が生じても、円滑に摺動できそ
のコスレによって当接面が摩耗したりすることがない。[Means for Solving the Problems] [Operation] The throttle valve tuning mechanism according to the present invention temporarily adjusts the end of the tuning screw without significantly increasing the alignment accuracy of the shaft hole that rotatably supports the throttle valve shaft. To provide a tuning mechanism for a throttle valve in a butterfly type multiple carburetor in which the contact part is not worn even if sliding occurs on the contact surface between the part and the upper surface of the bent arm part of a first throttle valve lever. In order to achieve the above purpose, the vaporizer main body 1
A, intake passage 2A passing through IB, carburetor main body LA inside 2B, throttle valve shaft 3A rotatably supported by IB,
Butterfly type throttle valves 4A and 4B are arranged on the throttle valve shaft to control the opening and closing of the intake passages 2A and 2B.A plurality of butterfly type throttle valves are arranged on the side of the butterfly type carburetor and each carburetor A , H, the longitudinal axes of the throttle valve shafts 3A, 3B are arranged in a straight line laterally, and a ]-shaped first throttle valve lever 5 is arranged at the end 3C of the throttle valve shaft 3A of the first carburetor A. A U-shaped second throttle valve lever 6 is arranged at the end 30 of the throttle valve shaft 3B of the second carburetor B facing the first carburetor, and the U-shaped first throttle valve The bent arm portion 5A of the valve lever 5 is arranged between the upper arm portion 6A and the lower arm portion 6B of the double-shaped second throttle valve lever 6, and the end portion 7A of the tuning screw 7 screwed onto the upper arm portion 6A is placed between the upper arm portion 6A and the lower arm portion 6B. The first throttle valve lever 5 is brought into contact with the upper surface of the bent arm 5A of the first throttle valve lever 5.
In the same ff1 mechanism of the throttle valve in a butterfly type multiple carburetor, in which a spring S is compressed between the lower surface of the bent arm 5A of the second throttle valve 8-6 and the lower arm 6B of the second throttle valve 8-6, At least the distal end 7A of the tuning screw 7 which is formed by polishing and abutting against the bent arm 5A of the first throttle valve lever 5 is polished, and the first throttle valve lever 5 is made of a steel plate and treated with a ceramic coating. According to this, the end of the tuning screw comes into contact with the upper surface of the bending arm of the first throttle valve lever, which is very smooth and hard, so that the end of the tuning screw and the bending arm of the first throttle valve lever come into contact with each other. Even if sliding occurs in the contact portion, it can slide smoothly and the contact surface will not be worn out due to the loss.
以下、本発明になるバタフライ型多連気化器における絞
り弁の同調機構の一実施例を説明する。An embodiment of the throttling valve tuning mechanism in the butterfly type multiple carburetor according to the present invention will be described below.
尚、本発明は構成する部品の形状に変更はなく材質及び
表面処理のみ異なる故、構成部品の符号は従来の第１図
にて説明した符号を流用し説明を省略する。It should be noted that since the present invention does not change the shape of the constituent parts, only the material and surface treatment are different, the reference numerals of the constituent parts will be the same as those previously explained in FIG. 1, and the explanation thereof will be omitted.
すなわち、］字状の第１絞り弁し八−５は鋼板にて形成
し、その後第１絞り弁レバー５の表面にセラミックコー
ティング処理を行なう、このセラミックコーティング処
理の具体的な方法は１例えば電解法によってシリケート
あるいはアルミナ等のセラミックを水溶液中からメツキ
処理と同様に第１絞り弁し／へ−５の表面に析出させた
ものである。That is, the first throttle valve lever 8-5 shaped like the character 8-5 is formed of a steel plate, and then a ceramic coating treatment is applied to the surface of the first throttle valve lever 5. Ceramics such as silicate or alumina are deposited on the surface of the first restrictor valve 5 from an aqueous solution in the same manner as plating.
また、同調スクリュー７は軟鋼材料にて形成され、第１
絞り弁レバー５の曲げ部５Ａに当接する先端部はパフ研
磨等によって研磨仕上げされる。この研磨仕上げ後の表
面粗度は３５以下が好ましい。Further, the tuning screw 7 is made of mild steel material, and the first
The tip of the throttle valve lever 5 that comes into contact with the bent portion 5A is polished by puff polishing or the like. The surface roughness after this polishing is preferably 35 or less.
かかる構成によると、各気化器Ａ、Ｂの軸孔９Ａ及び９
Ｂｌ従来の同誌加工精度よりゆるめると、絞り弁４Ａ、
４Ｂの回転に伴なって同調スクリュー７の端部７Ａと
第１絞り弁レバー５の曲げ腕部５Ａとの当接面にコスレ
摺動が発生する。According to this configuration, the shaft holes 9A and 9 of each vaporizer A, B
BL If you loosen the machining accuracy from the previous magazine, the throttle valve 4A,
4B, a sliding movement occurs on the contact surface between the end 7A of the tuning screw 7 and the bent arm 5A of the first throttle valve lever 5.
然しながら、これら当接面の一方の第１絞り弁レバー５
の表面は、セラミックコーティング処理によって表面が
滑らかであって、且つ硬度を高められている。However, the first throttle valve lever 5 on one of these contact surfaces
The surface is smooth and hardened by ceramic coating.
具体的には摩擦係数路は０．３と小さく、ビッカース硬
度が１８００ｋｇ／ｍｒｎ’と硬いもノテある。−方同
調スクリユー７の端部は研磨仕上げによって円滑に形成
されているものであり、これらの当接面によると、前記
コスレ摺動が発生してもそれら当接する部材は円滑に摺
動するとともに当接面の摩耗が発生しない。Specifically, the friction coefficient of the road is as small as 0.3, and the Vickers hardness is 1800 kg/mrn', which is hard. The ends of the two-way tuning screw 7 are smoothly formed by a polished finish, and according to these abutting surfaces, even if the above-mentioned misalignment sliding occurs, the abutting members can slide smoothly and No wear occurs on the contact surface.
尚１本発明は二連気化器について説明したが複数であれ
ば限定されない。Note that although the present invention has been described with reference to a dual vaporizer, there is no limitation as long as there are a plurality of vaporizers.
以上の如く、本発明によると、各気化器の絞り弁軸を軸
支する為の軸孔の同誌精度をゆるめても、同調機構の同
調スクリューの端部と第１絞り弁レバーの曲り腕部との
当接面のコスレ摺動による摺動抵抗の増加あるいは摩耗
の発生がないので、軸孔の加工が容易で且つ短時間に行
ない得るもので気化器の製造コストの大幅な低減を図る
ことができたものである。As described above, according to the present invention, even if the precision of the shaft hole for supporting the throttle valve shaft of each carburetor is loosened, the end of the tuning screw of the tuning mechanism and the bent arm of the first throttle valve lever Since there is no increase in sliding resistance or wear caused by sliding of the abutting surface, the shaft hole can be easily machined in a short time, and the manufacturing cost of the carburetor can be significantly reduced. This is what was created.
情１図は従来のバタフライ型多連気化器における絞り弁
の同調機構を示す縦断面図である。
Ａ 、、、、第１の気化器 Ｂ、、、、第２の気化
器２Ａ、 ２Ｂ、、、、吸気道 ３Ａ、３Ｂ 、
、、、絞り弁軸４Ａ、 ４Ｂ、、、、絞り弁
５ 、、、、第１絞り弁レバー
５Ａ、、、、曲げ腕部
６ 、、、、第２絞り弁レバーFigure 1 is a longitudinal cross-sectional view showing a throttle valve tuning mechanism in a conventional butterfly type multiple carburetor. A, First carburetor B, Second carburetor 2A, 2B, Intake path 3A, 3B,
, Throttle valve shafts 4A, 4B, Throttle valve 5, First throttle lever 5A, Bent arm 6, Second throttle lever
Claims (1)
気化器本体１Ａ、１Ｂに回動自在に軸支された絞り弁軸
３Ａ、３Ｂが横断し、該絞り弁軸には吸気道２Ａ、２Ｂ
を開閉制御するバタフライ型の絞り弁４Ａ、４Ｂを配置
したバタフライ型気化器の側方に複数個配置するととも
に各気化器Ａ、Ｂの絞り弁軸３Ａ、３Ｂの長手軸心方向
を側方に一直線に配置し、第１の気化器Ａの絞り弁軸３
Ａの端部３Ｃに１字状の第１絞り弁レバー５を配置し、
前記第１の気化器に対向する第２の気化器Ｂの絞り弁軸
３Ｂの端部３０にコ字状の第２絞り弁レバー６を配置す
るとともに前記１字状の第１絞り弁レバー５の曲げ腕部
５Ａをコ字状の第２絞り弁レバー６の上腕部６Ａと下腕
部６Ｂとの間に配置し、上腕部６Ａに螺着せる同調スク
リュー７の端部７Ａを第１絞り弁レバー５の曲げ腕部５
Ａの上面に当接させるとともに第１絞り弁レバー５の曲
げ腕部５Ａの下面と、第２絞り弁レバー６の下腕部６Ｂ
との間にスプリングＳを縮設したバタフライ型多連気化
器における絞り弁の同調機構において、軟鋼材料にて形
成した同調スクリュー７の少なくとも第１絞り弁レバー
５の曲げ腕部５Ａに当接する先端部７Ａを研磨仕上げす
るとともに第１絞り弁レバー５を鋼板にて形成し、セラ
ミックコーティング処理してなるバタフライ型多連気化
器における絞り弁の同調機構。Throttle valve shafts 3A and 3B, which are rotatably supported by the carburetor bodies 1A and 1B, cross the intake paths 2A and 2B that pass through the carburetor bodies 1A and 1B. , 2B
A plurality of butterfly-type throttle valves 4A, 4B for opening and closing control are arranged on the side of the butterfly-type carburetor, and the longitudinal axis direction of the throttle valve shafts 3A, 3B of each carburetor A, B is oriented laterally. The throttle valve shaft 3 of the first carburetor A is arranged in a straight line.
A first throttle valve lever 5 in the shape of a single character is arranged at the end 3C of A,
A U-shaped second throttle valve lever 6 is disposed at the end 30 of the throttle valve shaft 3B of the second carburetor B facing the first carburetor, and the first throttle valve lever 5 is arranged in a U-shape. The bent arm 5A of the U-shaped second throttle valve lever 6 is arranged between the upper arm 6A and the lower arm 6B, and the end 7A of the tuning screw 7 screwed onto the upper arm 6A is connected to the first throttle valve. Bent arm portion 5 of lever 5
A, and the lower surface of the bent arm 5A of the first throttle valve lever 5 and the lower arm 6B of the second throttle valve lever 6.
In a throttle valve tuning mechanism in a butterfly type multiple carburetor in which a spring S is compressed between the tuning screw 7 and the tuning screw 7 made of a mild steel material, the tip of the tuning screw 7 that comes into contact with at least the bent arm 5A of the first throttle valve lever 5; A tuning mechanism for a throttle valve in a butterfly type multiple carburetor in which the portion 7A is polished and the first throttle valve lever 5 is formed of a steel plate and treated with ceramic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13349888A JPH01305136A (en) | 1988-05-31 | 1988-05-31 | Throttle valve tuning mechanism in butterfly type multi-carburettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13349888A JPH01305136A (en) | 1988-05-31 | 1988-05-31 | Throttle valve tuning mechanism in butterfly type multi-carburettor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01305136A true JPH01305136A (en) | 1989-12-08 |
Family
ID=15106177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13349888A Pending JPH01305136A (en) | 1988-05-31 | 1988-05-31 | Throttle valve tuning mechanism in butterfly type multi-carburettor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01305136A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014214733A (en) * | 2013-04-30 | 2014-11-17 | 株式会社デンソー | Valve drive device |
-
1988
- 1988-05-31 JP JP13349888A patent/JPH01305136A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014214733A (en) * | 2013-04-30 | 2014-11-17 | 株式会社デンソー | Valve drive device |
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