JPH0340228U - - Google Patents
Info
- Publication number
- JPH0340228U JPH0340228U JP10110689U JP10110689U JPH0340228U JP H0340228 U JPH0340228 U JP H0340228U JP 10110689 U JP10110689 U JP 10110689U JP 10110689 U JP10110689 U JP 10110689U JP H0340228 U JPH0340228 U JP H0340228U
- Authority
- JP
- Japan
- Prior art keywords
- constant speed
- negative pressure
- diaphragm actuator
- stroke
- diaphragm
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Control Of Transmission Device (AREA)
- Controls For Constant Speed Travelling (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Description
第１図は本考案による車両用定速走行装置の要
部を示す概略構成図、第２図はダイヤフラムアク
チユエータの概略構成図、第３図はコントロール
ユニツトの動作を説明するフローチヤート図、第
４図はダイヤフラムアクチユエータの負圧作動室
の内圧をダイヤフラムピストンのストロークとの
関係を示す特性図、第５図は路面状態による車速
、出力信号、ストロークおよび負圧作動室の内圧
との関係を示す特性図、第６図および第７図は他
の実施例を示す要部の概略構成図である。
１３……ソレノイドバルブユニツト、１４……
ダイヤフラムアクチユエータ、１５……スロツト
ルバルブ、１８……ストローク検出装置、１８ａ
……ゼロ接点、１８ｂ……フル接点。
FIG. 1 is a schematic configuration diagram showing the main parts of a constant speed traveling device for a vehicle according to the present invention, FIG. 2 is a schematic configuration diagram of a diaphragm actuator, and FIG. 3 is a flowchart diagram explaining the operation of the control unit. Figure 4 is a characteristic diagram showing the relationship between the internal pressure in the negative pressure working chamber of the diaphragm actuator and the stroke of the diaphragm piston. Characteristic diagrams showing the relationship, and FIGS. 6 and 7 are schematic configuration diagrams of main parts showing other embodiments. 13... Solenoid valve unit, 14...
Diaphragm actuator, 15... Throttle valve, 18... Stroke detection device, 18a
...Zero contact, 18b...Full contact.
Claims (1)
クチユエータにより定速走行用スロツトルバルブ
を開閉制御する車両用定速走行装置において、ス
ロツトルバルブを開閉制御するダイヤフラムアク
チユエータの負圧作動室に負圧または大気を切換
え導入するソレノイドバルブユニツトを、上記ダ
イヤフラムアクチユエータにおけるダイヤフラム
ピストンのゼロストロークおよび／またはフルス
トロークを検出するストローク検出装置により制
御するようにしたことを特徴とする車両用定速走
行装置。 In a vehicle constant speed running system that controls the opening and closing of a throttle valve for constant speed running using a diaphragm actuator using air or negative pressure as a driving source, the negative pressure operating chamber of the diaphragm actuator that controls the opening and closing of the throttle valve is A constant speed vehicle characterized in that a solenoid valve unit that selectively introduces negative pressure or atmospheric pressure is controlled by a stroke detection device that detects the zero stroke and/or full stroke of the diaphragm piston in the diaphragm actuator. Traveling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10110689U JPH0340228U (en) | 1989-08-31 | 1989-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10110689U JPH0340228U (en) | 1989-08-31 | 1989-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0340228U true JPH0340228U (en) | 1991-04-18 |
Family
ID=31650073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10110689U Pending JPH0340228U (en) | 1989-08-31 | 1989-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340228U (en) |
-
1989
- 1989-08-31 JP JP10110689U patent/JPH0340228U/ja active Pending
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