JPH0337239U - - Google Patents
Info
- Publication number
- JPH0337239U JPH0337239U JP9698289U JP9698289U JPH0337239U JP H0337239 U JPH0337239 U JP H0337239U JP 9698289 U JP9698289 U JP 9698289U JP 9698289 U JP9698289 U JP 9698289U JP H0337239 U JPH0337239 U JP H0337239U
- Authority
- JP
- Japan
- Prior art keywords
- idle
- combustion engine
- internal combustion
- throttle valve
- exhaust throttle
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 2
- 230000009849 deactivation Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Description
第１図はこの考案の内燃機関の暖機装置の基本
的構成を示す基本構成図、第２図はこの考案を具
体化した一実施例における暖機装置の電気的構成
を示すブロツク図、第３図はアイドルアツプ機構
の構成を示す図、第４図はリターダソレノイドの
通電解除とＶＳＶソレノイドの通電解除のタイミ
ングのずれを説明するタイムチヤートである。
図中、Ｍ１は内燃機関、Ｍ２は排気管路、Ｍ３
は排気絞り弁機構、Ｍ４はアイドルアツプ機構、
Ｍ５は作動解除手段、Ｍ６は検知手段、１はリタ
ーダソレノイド、４２は排気絞り弁、４４はダイ
ヤフラムアクチユエータ、４５はリンク（１，４
２，４４，４５等は排気絞り弁機構を構成してい
る）、４１は排気管路、３は作動解除手段として
の駆動回路、２はＶＳＶソレノイド、４は燃料噴
射ポンプ、５はＶＳＶ、６はロツド、７はダイヤ
フラムアクチユエータ、８はスロツトル、９は作
動プレート、１０はボルト（２，４〜１０はアイ
ドルアツプ機構を構成している）、３８は検知手
段としてのリミツトスイツチである。
FIG. 1 is a basic configuration diagram showing the basic configuration of a warm-up device for an internal combustion engine of this invention. FIG. 2 is a block diagram showing the electrical configuration of a warm-up device in an embodiment embodying this invention. FIG. 3 is a diagram showing the configuration of the idle up mechanism, and FIG. 4 is a time chart illustrating the difference in timing between de-energization of the retarder solenoid and de-energization of the VSV solenoid. In the figure, M1 is an internal combustion engine, M2 is an exhaust pipe, and M3
is the exhaust throttle valve mechanism, M4 is the idle up mechanism,
M5 is an activation release means, M6 is a detection means, 1 is a retarder solenoid, 42 is an exhaust throttle valve, 44 is a diaphragm actuator, 45 is a link (1, 4
2, 44, 45, etc. constitute an exhaust throttle valve mechanism), 41 is an exhaust pipe line, 3 is a drive circuit as an activation release means, 2 is a VSV solenoid, 4 is a fuel injection pump, 5 is a VSV, 6 7 is a diaphragm actuator, 8 is a throttle, 9 is an operating plate, 10 is a bolt (2, 4 to 10 constitute an idle up mechanism), and 38 is a limit switch as a detection means.
Claims (1)
構と、 前記内燃機関への供給燃料を増量してアイドル
アツプを図るアイドルアツプ機構と、 前記排気絞り弁機構の作動を解除させると共に
、前記アイドルアツプ機構の作動を解除させる作
動解除手段と を備え、前記内燃機関の暖機中に前記排気絞り弁
機構を作動させると共に前記アイドルアツプ機構
を作動させてアイドルアツプを行う内燃機関の暖
機装置において、 前記内燃機関の暖機を解除して通常のアイドリ
ングへ戻すために前記作動解除手段を駆動させた
時に、前記排気絞り弁機構の作動解除の完了を検
知し、その検知に基いて前記アイドルアツプ機構
の作動解除を開始させる検知手段を設けたことを
特徴とする内燃機関の暖機装置。[Scope of Claim for Utility Model Registration] An exhaust throttle valve mechanism provided in the middle of an exhaust pipe of an internal combustion engine, an idle up mechanism for increasing the idle by increasing the amount of fuel supplied to the internal combustion engine, and the exhaust throttle valve mechanism. and a deactivation means for deactivating the idle up mechanism, the exhaust throttle valve mechanism being activated while the internal combustion engine is being warmed up, and the idle up mechanism being actuated to increase the idle. In the internal combustion engine warm-up device, when the deactivation means is driven to de-warm the internal combustion engine and return it to normal idling, detecting completion of deactivation of the exhaust throttle valve mechanism; A warm-up device for an internal combustion engine, comprising a detection means for starting deactivation of the idle-up mechanism based on the detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9698289U JPH0810663Y2 (en) | 1989-08-18 | 1989-08-18 | Warming device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9698289U JPH0810663Y2 (en) | 1989-08-18 | 1989-08-18 | Warming device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0337239U true JPH0337239U (en) | 1991-04-11 |
| JPH0810663Y2 JPH0810663Y2 (en) | 1996-03-29 |
Family
ID=31646146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9698289U Expired - Fee Related JPH0810663Y2 (en) | 1989-08-18 | 1989-08-18 | Warming device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0810663Y2 (en) |
-
1989
- 1989-08-18 JP JP9698289U patent/JPH0810663Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0810663Y2 (en) | 1996-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |