JP2003035224A - Internal combustion engine apparatus - Google Patents

Internal combustion engine apparatus

Info

Publication number
JP2003035224A
JP2003035224A JP2001224650A JP2001224650A JP2003035224A JP 2003035224 A JP2003035224 A JP 2003035224A JP 2001224650 A JP2001224650 A JP 2001224650A JP 2001224650 A JP2001224650 A JP 2001224650A JP 2003035224 A JP2003035224 A JP 2003035224A
Authority
JP
Japan
Prior art keywords
air
intake
duct
radiator
internal combustion
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
Application number
JP2001224650A
Other languages
Japanese (ja)
Inventor
Ikuo Ozawa
郁雄 小沢
Kazuaki Kafuku
一彰 加福
Harumi Okai
治美 岡井
Tomoaki Maeda
倫明 前田
Toshiki Sugiyama
俊樹 杉山
Norihisa Sasano
教久 笹野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to JP2001224650A priority Critical patent/JP2003035224A/en
Priority to DE10233408A priority patent/DE10233408A1/en
Priority to US10/202,493 priority patent/US6660969B2/en
Publication of JP2003035224A publication Critical patent/JP2003035224A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/02Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00Arrangement in connection with cooling of propulsion units
    • B60K11/02Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00Arrangement in connection with cooling of propulsion units
    • B60K11/08Air inlets for cooling; Shutters or blinds therefor
    • B60K11/085Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00Constructional features of vehicle sub-units
    • B60Y2410/102Shaft arrangements; Shaft supports, e.g. bearings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88Optimized components or subsystems, e.g. lighting, actively controlled glasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

PROBLEM TO BE SOLVED: To reduce the number of components of an intake control system and a radiator control system while maintaining operations of the systems. SOLUTION: An intake change-over door 61 and a cooling air door 62 are operated in a mechanically interlocking manner by one actuator 65, and a shroud 21, an intake duct part 22, an inside air introducing duct art 23 and an outside air introduction part 24 are formed integrally with a front panel 20, thus reducing the number of components of the intake control system and the radiator control system while maintaining operations of the systems.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、内燃機関(エンジ
ン)の吸気、及びラジエータの冷却能力を制御する内燃
機関装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an internal combustion engine device for controlling intake air of an internal combustion engine (engine) and cooling capacity of a radiator.

【0002】[0002]

【従来の技術及び発明が解決しようとする課題】エンジ
ンは、空気と燃料とが混合された混合気を圧縮して着火
燃焼(爆発)させて動力を得るものであるので、コール
ドスタート時(エンジンが冷えた状態でエンジンを始動
する時)には、空気(吸気)の温度は比較的高い方が燃
料を気化(蒸発)させ易いので、エンジンの始動性を向
上させることができる。
2. Description of the Related Art An engine is for compressing a mixture of air and fuel to ignite and burn (explode) it to obtain power. When the engine is started in a cold state), it is easier to vaporize (evaporate) the fuel when the temperature of the air (intake air) is relatively high, so the startability of the engine can be improved.

【0003】一方、暖機運転が終了してエンジンの温度
が十分に上昇したときに吸気温度が高いと、吸気(酸
素)密度が小さくなり吸気質量が減少するので、エンジ
ン出力が低下する。
On the other hand, if the intake air temperature is high when the temperature of the engine is sufficiently increased after the warm-up operation is completed, the intake air (oxygen) density is decreased and the intake air mass is decreased, so that the engine output is decreased.

【0004】そこで、発明者等は、エンジンの稼動状態
に応じてエンジンルーム内の空気(以下、この空気を内
気と呼ぶ。)をエンジンに供給する場合とエンジンルー
ム外の空気(以下、この空気を外気と呼ぶ。)をエンジ
ンに供給する場合とを切り換える吸気制御システム、並
びにエンジンの稼動状態に応じてラジエータに供給する
冷却風の風量を制御するラジエータ制御システムを検討
した。
Therefore, the inventors of the present invention have supplied the air in the engine room (hereinafter referred to as "inside air") to the engine according to the operating state of the engine and the air outside the engine room (hereinafter referred to as "air"). Is referred to as "outside air" for the engine, and a radiator control system for controlling the amount of cooling air supplied to the radiator according to the operating state of the engine.

【0005】しかし、この検討品では、吸気制御システ
ムを作動させるアクチュエータとラジエータ制御システ
ムを作動させるアクチュエータとをそれぞれ有していた
ため、システムを構成する部品が多く、製造原価低減が
難しいという問題を有していた。
However, since the product under consideration has an actuator for operating the intake control system and an actuator for operating the radiator control system, there are many components that make up the system, and it is difficult to reduce manufacturing costs. Was.

【0006】本発明は、上記点に鑑み、吸気制御システ
ム及びラジエータ制御システムを作動させつつ、システ
ム構成部品の部品点数を低減することを目的とする。
In view of the above points, the present invention has an object to reduce the number of system components while operating the intake control system and the radiator control system.

【0007】[0007]

【課題を解決するための手段】本発明は、上記目的を達
成するために、請求項1に記載の発明では、液冷式の内
燃機関(10)に燃焼用の空気を導く吸気ダクト(2
2)と、内燃機関(10)が搭載されたエンジンルーム
(11)内の内気を吸気ダクト(22)に導く内気導入
ダクト(23)と、エンジンルーム(11)外の外気を
吸気ダクト(22)に導く外気導入ダクト(24)と、
吸気ダクト(22)に導入される、内気の量及び外気の
量を調節する吸気制御手段(61)と、内燃機関(1
0)を冷却する冷却液と外気とを熱交換し、冷却液を冷
却するラジエータ(30)と、ラジエータ(30)を通
過する風量を調節するラジエータ風量調節手段(62)
とを備え、吸気制御手段(61)及びラジエータ風量調
節手段(62)は、1つの駆動手段(65)にて機械的
に連動して作動するように構成されていることを特徴と
する。
In order to achieve the above-mentioned object, the present invention provides a suction duct (2) for guiding combustion air to a liquid-cooled internal combustion engine (10) in the invention described in claim 1.
2), an inside air introduction duct (23) for guiding the inside air in the engine room (11) in which the internal combustion engine (10) is mounted to the intake duct (22), and an outside air outside the engine room (11) for the intake duct (22). ) Leading to the outside air (24),
Intake control means (61) for adjusting the amount of inside air and the amount of outside air introduced into the intake duct (22), and the internal combustion engine (1
A radiator (30) for heat-exchanging a cooling liquid for cooling (0) and the outside air, and a radiator air volume adjusting means (62) for adjusting an air volume passing through the radiator (30).
The intake control means (61) and the radiator air flow rate adjusting means (62) are configured to be mechanically interlocked by one driving means (65).

【0008】これにより、吸気制御システム及びラジエ
ータ制御システムを作動させつつ、システム構成部品の
部品点数を低減することができる。
As a result, the number of system components can be reduced while operating the intake control system and the radiator control system.

【0009】また、請求項2に記載の発明のごとく、吸
気制御手段を内気導入ダクト(23)と外気導入ダクト
(24)との連結部に配設されて空気通路を開閉する帯
板状の開閉ドア(61)を有して構成し、ラジエータ風
量調節手段(62)を複数枚の帯板状の開閉ドア(6
3)を鎧窓状に配置して構成し、さらに、両開閉ドア
(61、63)を駆動手段(65)に連結されたリンク
部材(64)により駆動してもよい。
According to the second aspect of the present invention, the intake control means is arranged in the connecting portion between the inside air introducing duct (23) and the outside air introducing duct (24) to open and close the air passage. An opening / closing door (61) is provided, and a radiator air flow rate adjusting means (62) is constituted by a plurality of strip-shaped opening / closing doors (6
3) may be arranged in the shape of an armor window, and both opening / closing doors (61, 63) may be driven by a link member (64) connected to a driving means (65).

【0010】また、請求項3に記載の発明のごとく車両
前端部にて配設されて車両幅方向に拡がるフロントエン
ドパネルに両開閉ドア(61、63)を回転可能に支持
する支持部(25)を設けてもよい。
Further, as in the invention described in claim 3, a support portion (25) rotatably supporting both opening / closing doors (61, 63) on a front end panel arranged at the front end portion of the vehicle and extending in the vehicle width direction. ) May be provided.

【0011】また、請求項4に記載の発明のごとく、吸
気ダクト(22)、内気導入ダクト(23)及び外気導
入ダクト(24)をフロントエンドパネルに形成しても
よい。
Further, as in the invention described in claim 4, the intake duct (22), the inside air introducing duct (23) and the outside air introducing duct (24) may be formed in the front end panel.

【0012】また、請求項5に記載の発明のごとく、ラ
ジエータ(30)に冷却風を送風するファン(50)と
の隙間を覆うことによりファン(50)によって誘起さ
れた空気流がラジエータ(30)を迂回することを抑制
するシュラウド(21)をフロントエンドパネルに一体
形成してもよい。
Further, as in the invention described in claim 5, the air flow induced by the fan (50) by covering the gap with the fan (50) for blowing the cooling air to the radiator (30) is generated by the radiator (30). ) May be integrally formed with the front end panel to suppress the detouring.

【0013】因みに、上記各手段の括弧内の符号は、後
述する実施形態に記載の具体的手段との対応関係を示す
一例である。
Incidentally, the reference numerals in the parentheses of the above-mentioned means are examples showing the correspondence with the concrete means described in the embodiments described later.

【0014】[0014]

【発明の実施の形態】(第1実施形態)本実施形態は本
発明に係る内燃機関装置を車両に適用したものであっ
て、図1は本実施形態に係る内燃機関装置(エンジンシ
ステム)の模式図である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) This embodiment is an application of the internal combustion engine device according to the present invention to a vehicle, and FIG. 1 shows an internal combustion engine device (engine system) according to the present embodiment. It is a schematic diagram.

【0015】10は走行用のエンジン(内燃機関)であ
り、20は車両前端部に配設されて車両幅方向に拡がる
フロントエンドパネル(以下、パネルと略す。)であ
り、このパネル20によりエンジン10が搭載されたエ
ンジンルーム11とエンジンルーム11外とが区画され
ている。
Reference numeral 10 is a running engine (internal combustion engine), and 20 is a front end panel (hereinafter abbreviated as "panel") arranged at the front end of the vehicle and extending in the vehicle width direction. An engine room 11 in which 10 is mounted and the outside of the engine room 11 are partitioned.

【0016】なお、12はエンジン10の各気筒に吸気
を分配するインテークマニホールド(吸気管)であり、
13はエンジンルーム11の上部を閉塞するボンネット
である。
Reference numeral 12 is an intake manifold (intake pipe) for distributing intake air to each cylinder of the engine 10.
Reference numeral 13 is a hood that closes the upper portion of the engine room 11.

【0017】また、30はエンジンを冷却する冷却液
(本実施形態では、水にエチレングリコール系不凍液を
混ぜた流体)と外気とを熱交換し、冷却液を冷却するラ
ジエータであり、このラジエータ30の空気流れ上流側
には、車両用空調装置(蒸気圧縮式冷凍機)の室外熱交
換器(本実施形態では、コンデンサ)40が搭載されて
いる。
Reference numeral 30 denotes a radiator that cools the coolant by exchanging heat between a coolant for cooling the engine (in this embodiment, a fluid obtained by mixing ethylene glycol antifreeze with water) and the outside air. An outdoor heat exchanger (condenser in the present embodiment) 40 of a vehicle air conditioner (vapor compression refrigerator) is mounted on the upstream side of the air flow.

【0018】なお、ラジエータ30はパネル20にゴム
等の弾性吸振部材(図示せず。)を介してパネル20に
組み付けれ、コンデンサ40はラジエータ30に組み付
けられている。
The radiator 30 is assembled to the panel 20 via an elastic vibration absorbing member (not shown) such as rubber, and the capacitor 40 is assembled to the radiator 30.

【0019】50はコンデンサ40及びラジエータ30
に冷却風を送風する軸流ファン方式の送風機であり、こ
の送風機50は、送風機50との隙間を覆うことにより
送風機50によって誘起された空気流がコンデンサ40
及びラジエータ30を迂回することを抑制するシュラウ
ド21を介してパネル20に組み付けられている。
Reference numeral 50 is a condenser 40 and a radiator 30.
The blower 50 is an axial fan type blower that blows cooling air to the blower 50. The blower 50 covers a gap with the blower 50 so that the air flow induced by the blower 50 is generated by the condenser 40.
Also, it is assembled to the panel 20 via a shroud 21 that suppresses bypassing the radiator 30.

【0020】また、22は吸気管12に吸気(燃焼用空
気)を導く吸気ダクト部22であり、23はエンジンル
ーム11内の空気(以下、この空気を内気と呼ぶ。)を
吸気ダクト部22に導く内気導入ダクト部(以下、内気
ダクト部と略す。)であり、24はエンジンルーム11
外の空気(以下、この空気を外気と呼ぶ。)を吸気ダク
ト部22に導く外気導入ダクト部(以下、内気ダクト部
と略す。)24であり、これらダクト部22〜24及び
シュラウド21は、樹脂にて一体成形されている。
Reference numeral 22 is an intake duct portion 22 that guides intake air (combustion air) to the intake pipe 12, and reference numeral 23 is air in the engine room 11 (hereinafter, this air is referred to as internal air). Reference numeral 24 denotes an inside air introducing duct portion (hereinafter, abbreviated as inside air duct portion) that leads to the engine room 11
An outside air introduction duct portion (hereinafter, abbreviated as an inside air duct portion) 24 that guides outside air (hereinafter, this air is referred to as outside air) to the intake duct portion 22, and these duct portions 22 to 24 and the shroud 21 are It is integrally molded with resin.

【0021】なお、24aは外気を取り込む外気導入口
であり、この外気導入口24aは、パネル20の上方側
にて前方側に向けて開口している。
Reference numeral 24a denotes an outside air introduction port for taking in outside air, and this outside air introduction port 24a is opened above the panel 20 toward the front side.

【0022】ところで、61は、内気ダクト部23と内
気ダクト部24との連結部に配設されて、内気ダクト部
23と吸気ダクト部22との連結する空気通路部23a
と外気ダクト部24内の空気通路とを切り換え開閉する
帯板状の吸気切替ドア(吸気制御手段)であり、この吸
気切替ドア61により吸気ダクト部22(エンジン1
0)に導入される内気の量及び外気の量が調節される。
By the way, the reference numeral 61 is arranged at the connecting portion between the inside air duct portion 23 and the inside air duct portion 24, and the air passage portion 23a for connecting the inside air duct portion 23 and the intake duct portion 22.
This is a strip-shaped intake switching door (intake control means) for switching and opening and closing the air passage in the outside air duct portion 24 and the intake duct portion 22 (engine 1
The amount of inside air and the amount of outside air introduced into 0) are adjusted.

【0023】また、62は複数枚の帯板状の開閉ドア6
3を鎧窓状に配置して構成したブラインドシャッタ方式
の冷却風ドア(ラジエータ風量調節手段)であり、この
冷却風ドア62を開閉することにより、コンデンサ40
及びラジエータ30を通過する風量を調節する。
Reference numeral 62 designates a plurality of strip-shaped opening / closing doors 6.
3 is a blind shutter type cooling air door (radiator air volume adjusting means) configured by arranging 3 in the shape of an armor window, and the condenser 40 is opened and closed by opening and closing the cooling air door 62.
And the amount of air passing through the radiator 30 is adjusted.

【0024】そして、吸気切替ドア61及び開閉ドア6
3は、その長手方向が車両幅方向に延びるように配置さ
れた状態でパネル20に回転可能に支持されているとと
もに、上下方向に延びる棒状のリンク部材64により揺
動(開閉)作動される。
The intake switching door 61 and the opening / closing door 6
3 is rotatably supported by the panel 20 in a state where its longitudinal direction is arranged to extend in the vehicle width direction, and is swung (opened / closed) by a rod-shaped link member 64 extending in the vertical direction.

【0025】また、65はリンク部材34を上下方向に
作動させるアクチュエータ(駆動手段)であり、このア
クチュエータ65はエンジンの吸入負圧を駆動源として
稼動するダイヤフラム方式のもである。
Numeral 65 is an actuator (driving means) for actuating the link member 34 in the vertical direction, and this actuator 65 is of a diaphragm type which operates by using the suction negative pressure of the engine as a drive source.

【0026】以上に述べた構成により、吸気切替ドア6
1及び開閉ドア63は、アクチュエータ65に連結され
たリンク部材64により機械的に連動して開閉作動す
る。なお、吸入負圧は電磁弁65aにより制御される。
With the configuration described above, the intake switching door 6
1 and the opening / closing door 63 are mechanically interlocked by a link member 64 connected to an actuator 65 to open / close. The suction negative pressure is controlled by the solenoid valve 65a.

【0027】因みに、吸気切替ドア61及び開閉ドア6
3は、図2に示すように、パネル20に形成された鍵穴
状のドア支持部25に吸気切替ドア61及び開閉ドア6
3の長手方向端部に形成されたシャフト61a、63a
を装着することにより回転可能に支持されている。
Incidentally, the intake switching door 61 and the opening / closing door 6
As shown in FIG. 2, the reference numeral 3 indicates a keyhole-shaped door supporting portion 25 formed on the panel 20, and an intake switching door 61 and an opening / closing door 6.
Shafts 61a, 63a formed at the longitudinal ends of
It is rotatably supported by mounting.

【0028】このとき、ドア支持部25は、図3、4に
示すように、シャフト61a、63aの挿入用開口部2
5aの開口寸法aより大きな直径Aを有する丸穴25b
が、挿入方向D前進側に形成された鍵穴状の穴であり、
一方、シャフト61a、63aは、短径寸法bが開口寸
法aと略同等とし、長径寸法Bが直径Aと略同等とした
略長円形状の断面形状するとともに、その先端側に、丸
穴25b(直径A)より大きい円盤状の傘部(ストッ
パ)61b、63bを設けたものである。
At this time, as shown in FIGS. 3 and 4, the door supporting portion 25 has the opening 2 for inserting the shafts 61a and 63a.
Round hole 25b having a diameter A larger than the opening dimension a of 5a
Is a keyhole-shaped hole formed on the forward side of the insertion direction D,
On the other hand, the shafts 61a and 63a have a substantially oval cross-sectional shape in which the minor axis dimension b is substantially equal to the opening dimension a and the major axis dimension B is substantially equal to the diameter A, and a round hole 25b is provided on the tip side thereof. Disc-shaped umbrella portions (stoppers) 61b, 63b larger than (diameter A) are provided.

【0029】これにより、吸気切替ドア61及び開閉ド
ア63の揺動(回転)角が90°以下であれば、ドア支
持部25から脱落することなく、シャフト61a、63
aが揺動(回転)することができる。
As a result, if the swing (rotation) angles of the intake switching door 61 and the opening / closing door 63 are 90 ° or less, the shafts 61a, 63 do not fall off from the door supporting portion 25.
a can swing (rotate).

【0030】ところで、図5は吸気切替ドア61及び冷
却風ドア62の開閉作動を示す図表であり、以下、図5
に基づいて本実施形態に係る内燃機関装置の特徴的作動
を述べる。
By the way, FIG. 5 is a table showing opening / closing operations of the intake switching door 61 and the cooling air door 62.
Based on the above, characteristic operations of the internal combustion engine device according to the present embodiment will be described.

【0031】空調装置の高圧側冷媒圧力(圧縮機の吐出
圧)が所定圧力以下のときであって、エンジン冷却水の
温度が所定温度(例えば、90度)以下のときには、冷
却風ドア62を閉じるとともに、内気を吸気ダクト部2
2に導くように吸気切替ドア61を作動させる。
When the high pressure side refrigerant pressure (compressor discharge pressure) of the air conditioner is below a predetermined pressure and the temperature of the engine cooling water is below a predetermined temperature (for example, 90 degrees), the cooling air door 62 is opened. While closing the inside air, the intake air duct 2
The intake switching door 61 is operated so as to lead to 2.

【0032】これにより、比較的に高い温度の吸気をエ
ンジンに供給することができるとともに、ラジエータ3
0からエンジン冷却水(エンジン)の熱が大気中に放出
されることを防止できるので、エンジンの始動性を向上
させつつ、暖機運転を促進することができる。
As a result, intake air of a relatively high temperature can be supplied to the engine, and the radiator 3
Since it is possible to prevent the heat of the engine cooling water (engine) from being released to the atmosphere from 0, it is possible to promote the warm-up operation while improving the startability of the engine.

【0033】また、空調装置の高圧側冷媒圧力が所定圧
力以下のときであって、エンジン冷却水の温度が所定温
度より高いときには、冷却風ドア62を開くとともに、
外気を吸気ダクト部22に導くように吸気切替ドア61
を作動させる。
When the pressure of the refrigerant on the high pressure side of the air conditioner is equal to or lower than the predetermined pressure and the temperature of the engine cooling water is higher than the predetermined temperature, the cooling air door 62 is opened and
The intake switching door 61 so that the outside air is guided to the intake duct portion 22.
Operate.

【0034】これにより、内気に比べて温度の低い外気
をエンジン10に供給することができるとともに、エン
ジン冷却水(エンジン)を冷却することができるので、
エンジン出力が低下することが防止でき、燃費を向上さ
せることができる。
As a result, the outside air having a lower temperature than the inside air can be supplied to the engine 10 and the engine cooling water (engine) can be cooled.
It is possible to prevent a decrease in engine output and improve fuel efficiency.

【0035】また、空調装置の高圧側冷媒圧力が所定圧
力より高いときには、エンジン冷却水によらず、冷却風
ドア62を開くとともに、外気を吸気ダクト部22に導
くように吸気切替ドア61を作動させる。
When the refrigerant pressure on the high-pressure side of the air conditioner is higher than the predetermined pressure, the cooling air door 62 is opened and the intake switching door 61 is operated so as to guide the outside air to the intake duct portion 22 regardless of the engine cooling water. Let

【0036】これにより、コンデンサ40(高圧側冷
媒)に冷却することができるので、高圧側冷媒の圧力を
低下させることができるとともに、空調装置の冷凍能力
を増大増大させることができる。
As a result, the condenser 40 (high-pressure side refrigerant) can be cooled, so that the pressure of the high-pressure side refrigerant can be reduced and the refrigerating capacity of the air conditioner can be increased.

【0037】次に、本実施形態の特徴を述べる。Next, the features of this embodiment will be described.

【0038】本実施形態では、吸気切替ドア61及び冷
却風ドア62が1つのアクチュエータ65にて機械的に
連動して作動するように構成されているので、吸気制御
システム及びラジエータ制御システムを作動させつつ、
システム構成部品の部品点数を低減することができる。
In this embodiment, since the intake air switching door 61 and the cooling air door 62 are mechanically operated by one actuator 65, the intake control system and the radiator control system are operated. While
The number of system components can be reduced.

【0039】なお、本実施形態では、吸気切替ドア61
及び冷却風ドア62を開閉制御したが、本発明はこれに
限定されるものではなく、中間開度を有するように吸気
切替ドア61及び冷却風ドア62を制御してもよい。
In this embodiment, the intake switching door 61
Although the opening and closing of the cooling air door 62 is controlled, the present invention is not limited to this, and the intake air switching door 61 and the cooling air door 62 may be controlled to have an intermediate opening.

【0040】(第2実施形態)第1実施形態では、パネ
ル20に鍵穴状のドア支持部25を設けるとともに、シ
ャフト61a、63aの断面形状を略長円形状とした
が、本実施形態は、図6に示すように、ドア支持部25
を単純な丸穴形状とするとともに、シャフト61a、6
3aをドア支持部25に組み付けた後、その先端側にE
型止め輪又はC型止め輪等の脱落防止ストッパ61c、
63cを装着したものである。
(Second Embodiment) In the first embodiment, the panel 20 is provided with the keyhole-shaped door support portion 25, and the shafts 61a and 63a have a substantially oval cross section. As shown in FIG. 6, the door support 25
With a simple round hole shape, and the shafts 61a, 6a
After assembling 3a to the door support portion 25, E on the front end side
A stopper ring 61c for preventing a retaining ring such as a retaining ring or a C retaining ring,
63c is attached.

【0041】(第3実施形態)本実施形態は、冷却風ド
ア62を構成する開閉ドア63のドア支持部25(パネ
ル20)への組み付け性を向上させたものである。
(Third Embodiment) In the present embodiment, the assembling property of the opening / closing door 63 constituting the cooling air door 62 to the door supporting portion 25 (panel 20) is improved.

【0042】具体的には、図7(a)に示すように、開
閉ドア63を樹脂成形する際に、複数枚の開閉ドア63
を保持する保持部63dを一体形成し、図7(b)に示
すように、保持部63dにて複数枚の開閉ドア63を保
持したまま複数枚の開閉ドア63を保持部63dに組み
付けた後、図7(c)に示すように、保持部63dを切
り離すものである。
Specifically, as shown in FIG. 7A, when the opening / closing door 63 is resin-molded, a plurality of opening / closing doors 63 are formed.
After integrally forming the holding portion 63d for holding the plurality of opening / closing doors 63 with the holding portion 63d holding the plurality of opening / closing doors 63 as shown in FIG. As shown in FIG. 7C, the holding portion 63d is separated.

【0043】これにより、複数枚の開閉ドア63を一度
の工程でドア支持部25(パネル20)に組み付けるこ
とができるので、組み付け性を向上させることができ
る。
As a result, a plurality of opening / closing doors 63 can be assembled to the door support portion 25 (panel 20) in one step, so that the assembling property can be improved.

【0044】(その他の実施形態)上述の実施形態で
は、アクチュエータ65としてエンジン10の吸入負圧
により作動するダイヤフラム型のものを採用したが、本
発明はこれに限定されるものではなく、サーボモータ等
のその他の駆動手段であってもよい。
(Other Embodiments) In the above-described embodiment, the diaphragm type actuator 65 which operates by the suction negative pressure of the engine 10 is adopted as the actuator 65, but the present invention is not limited to this, and the servo motor is not limited thereto. Other driving means such as

【0045】また、上述の実施形態では、シュラウド2
1、吸気ダクド部22、内気導入ダクト部23及び外気
導入ダクト部24をパネル20に一体形成したが、本発
明はこれに限定されるものではなく、それぞれを別体と
して製造後、パネル20に組み付けてもよい。
Further, in the above embodiment, the shroud 2
1, the intake duct part 22, the internal air introducing duct part 23, and the external air introducing duct part 24 are integrally formed with the panel 20, but the present invention is not limited to this, and each of them is manufactured as a separate body. May be assembled.

【0046】また、上述の実施形態では、パネル20を
樹脂製としたが、本発明はこれに限定されるものではな
く、アルミニウム等の金属にて成形してもよい。
In the above-mentioned embodiment, the panel 20 is made of resin, but the present invention is not limited to this and may be made of metal such as aluminum.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の実施形態に係る内燃機関装置の模式図
である。
FIG. 1 is a schematic diagram of an internal combustion engine device according to an embodiment of the present invention.

【図2】本発明の第1実施形態に係る吸気切替ドア及び
冷却風ドアの分解斜視図である。
FIG. 2 is an exploded perspective view of an intake switching door and a cooling air door according to the first embodiment of the present invention.

【図3】本発明の第1実施形態に係る吸気切替ドア及び
開閉ドアの分解斜視図である。
FIG. 3 is an exploded perspective view of an intake switching door and an opening / closing door according to the first embodiment of the present invention.

【図4】図3のA矢視図である。FIG. 4 is a view on arrow A in FIG.

【図5】本発明の第1実施形態に係る吸気切替ドア及び
冷却風ドアの制御パターンを示す図表である。
FIG. 5 is a chart showing a control pattern of the intake switching door and the cooling air door according to the first embodiment of the present invention.

【図6】本発明の第2実施形態に係る吸気切替ドア及び
開閉ドアの分解斜視図である。
FIG. 6 is an exploded perspective view of an intake switching door and an opening / closing door according to a second embodiment of the present invention.

【図7】本発明の第3実施形態に係る吸気切替ドア及び
開閉ドアの組み付け方法を示す説明図である。
FIG. 7 is an explanatory view showing a method of assembling the intake switching door and the opening / closing door according to the third embodiment of the present invention.

【符号の説明】[Explanation of symbols]

10…エンジン、20…フロントエンドパネル、21…
シュラウド、22…吸気ダクド部、23…内気導入ダク
ト部、24…外気導入ダクト部、30…ラジエータ、4
0…コンデンサ
10 ... Engine, 20 ... Front end panel, 21 ...
Shroud, 22 ... Intake duct part, 23 ... Inside air introducing duct part, 24 ... Outside air introducing duct part, 30 ... Radiator, 4
0 ... Capacitor

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) F02M 31/07 F02M 31/06 E (72)発明者 岡井 治美 愛知県刈谷市昭和町1丁目1番地 株式会 社デンソー内 (72)発明者 前田 倫明 愛知県刈谷市昭和町1丁目1番地 株式会 社デンソー内 (72)発明者 杉山 俊樹 愛知県刈谷市昭和町1丁目1番地 株式会 社デンソー内 (72)発明者 笹野 教久 愛知県刈谷市昭和町1丁目1番地 株式会 社デンソー内 Fターム(参考) 3D038 AA06 AB01 AC01 AC11 AC17 BA05 BB01 BC01 BC14 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 7 Identification code FI theme code (reference) F02M 31/07 F02M 31/06 E (72) Inventor Harumi Okai 1-chome Showa-cho, Kariya city, Aichi stock Company DENSO (72) Inventor Noriaki Maeda 1-1 Showa-cho, Kariya City, Aichi Prefecture Denso Co., Ltd. (72) Inventor Toshiki Sugiyama 1-1-Showa-cho, Kariya City, Aichi Stock Company DENSO ) Inventor, Norihisa Sasano, 1-1, Showa-cho, Kariya city, Aichi F-term in DENSO CORPORATION (reference) 3D038 AA06 AB01 AC01 AC11 AC17 BA05 BB01 BC01 BC14

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 液冷式の内燃機関(10)に燃焼用の空
気を導く吸気ダクト(22)と、 前記内燃機関(10)が搭載されたエンジンルーム(1
1)内の内気を前記吸気ダクト(22)に導く内気導入
ダクト(23)と、 前記エンジンルーム(11)外の外気を前記吸気ダクト
(22)に導く外気導入ダクト(24)と、 前記吸気ダクト(22)に導入される、内気の量及び外
気の量を調節する吸気制御手段(61)と、 前記内燃機関(10)を冷却する冷却液と外気とを熱交
換し、冷却液を冷却するラジエータ(30)と、 前記ラジエータ(30)を通過する風量を調節するラジ
エータ風量調節手段(62)とを備え、 前記吸気制御手段(61)及び前記ラジエータ風量調節
手段(62)は、1つの駆動手段(65)にて機械的に
連動して作動するように構成されていることを特徴とす
る内燃機関装置。
1. An intake duct (22) for introducing combustion air into a liquid-cooled internal combustion engine (10), and an engine room (1) in which the internal combustion engine (10) is mounted.
1) an inside air introducing duct (23) for guiding the inside air into the intake duct (22); an outside air introducing duct (24) for guiding outside air outside the engine room (11) to the intake duct (22); Intake control means (61) introduced into the duct (22) for adjusting the amount of the inside air and the amount of the outside air, and the cooling liquid for cooling the internal combustion engine (10) and the outside air are heat-exchanged to cool the cooling liquid. And a radiator air volume adjusting means (62) for adjusting an air volume passing through the radiator (30). The intake air controlling means (61) and the radiator air volume adjusting means (62) are integrated into one. An internal combustion engine device characterized by being configured to be mechanically interlocked by a drive means (65).
【請求項2】 前記吸気制御手段は、前記内気導入ダク
ト(23)と前記外気導入ダクト(24)との連結部に
配設されて空気通路を開閉する帯板状の開閉ドア(6
1)を有して構成され、 前記ラジエータ風量調節手段(62)は、複数枚の帯板
状の開閉ドア(63)を鎧窓状に配置して構成されたも
のであり、 さらに、前記両開閉ドア(61、63)は、前記駆動手
段(65)に連結されたリンク部材(64)により駆動
されることを特徴とする請求項1に記載の内燃機関装
置。
2. The strip control opening / closing door (6), wherein the intake control means is arranged at a connection portion between the inside air introduction duct (23) and the outside air introduction duct (24) to open and close an air passage.
1), the radiator air flow rate adjusting means (62) is configured by arranging a plurality of strip-plate-like opening / closing doors (63) in an armor window shape. The internal combustion engine device according to claim 1, wherein the opening / closing doors (61, 63) are driven by a link member (64) connected to the driving means (65).
【請求項3】 請求項2に記載の内燃機関装置を搭載し
た車両に適用され、車両前端部にて配設されて車両幅方
向に拡がるフロントエンドパネルにおいて、 前記両開閉ドア(61、63)を回転可能に支持する支
持部(25)が設けられていることを特徴とするフロン
トエンドパネル。
3. A front end panel which is applied to a vehicle equipped with the internal combustion engine device according to claim 2 and which is arranged at a front end portion of the vehicle and expands in a vehicle width direction, wherein the opening and closing doors (61, 63) are provided. A front end panel, characterized in that a support portion (25) for rotatably supporting is provided.
【請求項4】 前記吸気ダクト(22)、前記内気導入
ダクト(23)及び前記外気導入ダクト(24)が形成
されていることを特徴とする請求項3に記載のフロント
エンドパネル。
4. The front end panel according to claim 3, wherein the intake duct (22), the inside air introduction duct (23) and the outside air introduction duct (24) are formed.
【請求項5】 前記ラジエータ(30)に冷却風を送風
するファン(50)との隙間を覆うことにより前記ファ
ン(50)によって誘起された空気流が前記ラジエータ
(30)を迂回することを抑制するシュラウド(21)
が一体形成されていることを特徴とする請求項3又は4
に記載のフロントエンドパネル。
5. The air flow induced by the fan (50) is prevented from bypassing the radiator (30) by covering a gap between the radiator (30) and a fan (50) that blows cooling air. Shroud (21)
Are integrally formed.
Front end panel described in.
JP2001224650A 2001-07-25 2001-07-25 Internal combustion engine apparatus Pending JP2003035224A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2001224650A JP2003035224A (en) 2001-07-25 2001-07-25 Internal combustion engine apparatus
DE10233408A DE10233408A1 (en) 2001-07-25 2002-07-23 Engine unit
US10/202,493 US6660969B2 (en) 2001-07-25 2002-07-24 Internal combustion engine device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001224650A JP2003035224A (en) 2001-07-25 2001-07-25 Internal combustion engine apparatus

Publications (1)

Publication Number Publication Date
JP2003035224A true JP2003035224A (en) 2003-02-07

Family

ID=19057773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001224650A Pending JP2003035224A (en) 2001-07-25 2001-07-25 Internal combustion engine apparatus

Country Status (1)

Country Link
JP (1) JP2003035224A (en)

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