JPH01155020A - Exhaust heat recovering device for engine - Google Patents
Exhaust heat recovering device for engineInfo
- Publication number
- JPH01155020A JPH01155020A JP62314998A JP31499887A JPH01155020A JP H01155020 A JPH01155020 A JP H01155020A JP 62314998 A JP62314998 A JP 62314998A JP 31499887 A JP31499887 A JP 31499887A JP H01155020 A JPH01155020 A JP H01155020A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- radiator
- engine
- exhaust heat
- cooling water
- 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
- 239000000498 cooling water Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000006096 absorbing agent Substances 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 101000927062 Haematobia irritans exigua Aquaporin Proteins 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はエンジンの排熱回収装置に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to an engine exhaust heat recovery device.
（従来の技術）
従来上記装置としては、第４図に示すようにエンジン１
の冷却水が、エンジン１のウォータジャケット３でエン
ジン本体熱を吸収し、排気熱吸収器４で排気熱を吸収し
、排熱回収器５で放熱し、ラジェータ６で冷却された後
、ウォータジャケット３に戻されて循環するように構成
し、ラジェータ６を電動ファン１３で冷却するように構
成したエンジンの排熱回収装置が知られている。(Prior Art) Conventionally, as shown in FIG.
The cooling water absorbs engine body heat in the water jacket 3 of the engine 1, absorbs exhaust heat in the exhaust heat absorber 4, radiates heat in the exhaust heat recovery device 5, is cooled in the radiator 6, and then passes through the water jacket. An engine exhaust heat recovery device is known which is configured so that the exhaust heat is returned to the radiator 3 and circulated, and the radiator 6 is cooled by an electric fan 13.
上記従来装置においては、図示のように、エンジン排気
熱吸収器４とエンジン排熱回収器５との間にサーモ三方
弁１０を設け、エンジン排気熱吸収器４を出したエンジ
ン冷却水の温度が設定温度（例えば７０℃）より低いと
エンジン冷却水を排熱回収器５に供給することなくつオ
ータジャケット３に短絡循環させ、又、ラジェータ６へ
の入口側水路１８と出口側水路ｊ７とをつなぐバイパス
路１９を設けるとともに、このバイパス路１つと入口側
流路１８に夫々電磁開閉弁２５・２６を設けて制御装置
２７に接続し、エンジン排熱回収器５から出たエンジン
冷却水の温度を検出するセンサ２８を設けて前記制御装
置２７に接続し、センサ２８で検出した冷却水温度が設
定温度（例えば８５°Ｃ）よりも高い時には電磁開閉弁
２５を閉じるとともに、電磁開閉弁２６を開いてラジェ
ータ６にエンジン冷却水を導き、かつ、電動ファン１３
を駆動し、又、センサ２８で検出した冷却水温度が設定
温度より下がると電磁開閉弁２５を開くとともに電磁開
閉弁２６を閉じてラジェータ６を介しての放熱を停止す
るようにし、もって、つオータジャケット３に戻す冷却
水の温度が不当に低下することがないようにしていた。In the above conventional device, as shown in the figure, a thermo three-way valve 10 is provided between the engine exhaust heat absorber 4 and the engine exhaust heat recovery device 5, and the temperature of the engine cooling water discharged from the engine exhaust heat absorber 4 is adjusted. If the temperature is lower than the set temperature (for example, 70°C), the engine cooling water will not be supplied to the exhaust heat recovery device 5 and will be circulated through the overjacket 3 in a short circuit, and the inlet side waterway 18 and outlet side waterway j7 to the radiator 6 will be short-circuited. A bypass passage 19 is provided to connect the bypass passage 19, and electromagnetic on-off valves 25 and 26 are provided in one of the bypass passages and the inlet side flow passage 18, respectively, and connected to a control device 27. A sensor 28 is provided and connected to the control device 27, and when the cooling water temperature detected by the sensor 28 is higher than the set temperature (for example, 85°C), the electromagnetic on-off valve 25 is closed and the electromagnetic on-off valve 26 is closed. It opens to guide engine cooling water to the radiator 6, and also connects the electric fan 13.
In addition, when the cooling water temperature detected by the sensor 28 falls below the set temperature, the electromagnetic on-off valve 25 is opened and the electromagnetic on-off valve 26 is closed to stop heat radiation through the radiator 6. The temperature of the cooling water returned to the overjacket 3 was prevented from lowering unduly.
（発明が解決しようとする問題点）
上記従来装置においては、ラジェータによる放熱のオン
・オフでウォータジャケットに戻されるエンジン冷却水
の温度を制御するものであったために、ラジェータ放熱
のオン・オフに対する冷却水温度の変化の時間遅れ、及
びエンジン排熱回収器での受熱変動によって、つオータ
ジャケットに戻される冷却水の温度変化が相当大外く、
必ずしも最適温度条件でエンジンが効率よく運転されて
いるとは限らないものであった。(Problems to be Solved by the Invention) In the conventional device described above, the temperature of the engine cooling water returned to the water jacket is controlled by turning on and off the heat radiation by the radiator. Due to the time delay in the change in coolant temperature and the fluctuation in heat reception in the engine exhaust heat recovery device, the temperature change in the coolant returned to the overjacket can be quite large.
The engine was not always operated efficiently under optimal temperature conditions.
本発明は、従来装置に見られた上記不具合を解消するこ
とを目的とする。The present invention aims to eliminate the above-mentioned problems found in conventional devices.
（問題点を解決するための手段）
上記目的を達成するための本発明特徴構成は、エンジン
の冷却水が、エンジンのつオータジャケノトでエンジン
本体熱を吸収し、排気熱吸収器で徘気熱を吸収し、排熱
回収器で放熱し、ラジェータで冷却された後、つオータ
ジャケントに戻されて循環するように構成し、ラジェー
タを電動ファンで冷却するように構成したエンジンの排
熱回収装置において、冷却水を排熱回収器からラジェー
タへ案内するラジェータ入口側水路とラジェータからつ
オータジャケットへ案内するラジエータ入口側水路との
少なくとも一方に温度センサを設け、温度センサが冷却
水の温度を検出することに基づき、ファン制御装置を介
して電動ファンの運転を制御するように構成し、温度セ
ンサの検出温度が設定温度以下の低温検出状態では電動
ファンを停止させるとともに、設定温度以上の高温検出
状態では回転駆動させるように構成し、かつ、高温検出
状態では検出温度が高いほど回転駆動速度を速めるよう
に回転制御することにより、ラジエータ入口側水路を流
れる冷却水の温度を所定の温度に安定させるように構成
した点にある。(Means for Solving the Problems) The characteristic configuration of the present invention for achieving the above object is that the engine cooling water absorbs engine body heat in the engine exhaust heat absorber, and the engine cooling water absorbs the heat in the exhaust heat absorber. Exhaust heat from an engine configured to absorb heat, dissipate it in an exhaust heat recovery device, cooled in a radiator, and then returned to the engine for circulation, and the radiator is cooled by an electric fan. In the recovery device, a temperature sensor is provided in at least one of the radiator inlet water channel that guides the cooling water from the waste heat recovery device to the radiator and the radiator inlet water channel that guides the cooling water from the radiator to the overjacket, and the temperature sensor detects the temperature of the cooling water. The system is configured to control the operation of the electric fan via a fan control device based on the detection of The temperature of the cooling water flowing through the radiator inlet water channel is kept at a predetermined temperature by controlling the rotation so that it is rotated in the high temperature detection state, and the rotation speed is increased as the detected temperature is higher in the high temperature detection state. The point is that it is configured to be stable.
（作 用）
上記構成によると、温度センサで検出された工＝４−
ンノン冷却水温度が設定温度以下のと外は電動ファンを
停止してラジェータによる放熱を停止することでつオー
タノヤケントに戻るエンジン冷却水の不当な温度低下を
抑える。又、温度センサで検出されたエンジン冷却水温
度が設定温度より高い範囲では電動ファンを駆動してラ
ジェータによる放熱を行うとともに、検出温度が高いほ
ど電動ファンを高速駆動して放熱を強力に行い、もって
、つオータノヤケットに戻るエンジン冷却水の温度の設
定化が図られる。(Function) According to the above configuration, when the cooling water temperature detected by the temperature sensor is below the set temperature, the electric fan is stopped and heat dissipation by the radiator is stopped, and the engine returns to normal operation. Prevents unreasonable temperature drop of cooling water. In addition, when the engine coolant temperature detected by the temperature sensor is higher than the set temperature, the electric fan is driven to radiate heat through the radiator, and the higher the detected temperature, the faster the electric fan is driven to radiate heat. As a result, the temperature of the engine cooling water returned to the engine jacket can be set.
（発明の効果）
従って本発明によれば、エンジン排熱吸収器の熱負荷変
動に起因するエンジン冷却水の温度変化、換言すれば余
剰熱量の増減に対応してラジェータによる放熱能力を比
例的に制御することかでと、その結果、エンジンを常に
好適な温度条件で効率よく運転することができるよにな
った。(Effects of the Invention) Therefore, according to the present invention, the heat dissipation capacity of the radiator is proportionally adjusted in response to the temperature change of the engine cooling water caused by the heat load fluctuation of the engine waste heat absorber, in other words, the increase/decrease in the amount of surplus heat. As a result, the engine can now be operated efficiently and always under suitable temperature conditions.
（実 施 例） 以下、本発明の実施例を図面に基づいて説明する。(Example) Embodiments of the present invention will be described below based on the drawings.
第１図に本発明に係るエンジンの排熱回収装置の系統図
が示されている。水冷エンジン１の冷却水は、エンジン
１に備えられたウォータポンプ２によって、エンジン１
のつオータノヤケット３、エンジン排気熱吸収器４、エ
ンジン排熱回収器５、ラジェータ６の順に強制循環され
るよう構成されており、エンジン冷却水がつオータノヤ
ケット３でエンジン排熱を吸収したのちエンジン排気熱
吸収器４で排気熱を吸収して昇温し、エンジン排熱回収
器５でここを通る排熱回収液体に放熱し、ラジェータ６
で冷却されたのち再びつオークジャケント３に戻される
ようになっている。そして、排熱回収器５で受熱した排
熱回収液体を給湯もしくは暖房用の貯湯タンク７にポン
プ８で循環させるとともに、ポンプ８を貯湯温度センサ
９の検出、結果に基づいてオン・オフ制御して設定温度
の貯湯を行うように構成されている。FIG. 1 shows a system diagram of an engine exhaust heat recovery device according to the present invention. Cooling water for the water-cooled engine 1 is supplied to the engine 1 by a water pump 2 provided in the engine 1.
It is configured so that the engine cooling water is forcedly circulated in the order of the automatic jacket 3, the engine exhaust heat absorber 4, the engine exhaust heat recovery unit 5, and the radiator 6. After the engine cooling water absorbs the engine exhaust heat in the automatic jacket 3, it is transferred to the engine exhaust. The heat absorber 4 absorbs exhaust heat and raises the temperature, the engine exhaust heat recovery device 5 radiates the heat to the exhaust heat recovery liquid passing through it, and the radiator 6
After being cooled down, it is returned to Oakjakent 3. Then, the exhaust heat recovery liquid received by the exhaust heat recovery device 5 is circulated to the hot water storage tank 7 for hot water supply or heating by the pump 8, and the pump 8 is controlled on/off based on the detection result of the hot water storage temperature sensor 9. The system is configured to store hot water at a set temperature.
又、エンジン排気熱吸収器４とエンジン排熱回収器５と
の開の冷却水通路にはサーモ三方弁１０が設けられてお
り、エンジン排気熱吸収器４から出た冷却水の温度が設
定温度（例えば７０℃）より低い場合には、エンジン冷
却水を排熱回収器５に供給することなくバイパス流路１
１を介してつオークジャケント３に短絡循環してエンジ
ン１が過冷却されないようになっている。尚、図中の１
２は７７ラーである。Further, a thermostatic three-way valve 10 is provided in the open cooling water passage between the engine exhaust heat absorber 4 and the engine exhaust heat recovery device 5, so that the temperature of the cooling water discharged from the engine exhaust heat absorber 4 is set to a set temperature. (for example, 70°C), engine cooling water is not supplied to the exhaust heat recovery device 5 and the bypass flow path 1
The engine 1 is short-circuited and circulated through the engine 1 and the engine 3 so that the engine 1 is not overcooled. In addition, 1 in the figure
2 is 77 la.
以上の構成は特に従来と変わるところはなく、本発明に
おいては更に次のような構成を付加してエンジン冷却水
の温度の安定化が図られている。The above configuration is not particularly different from the conventional one, and the present invention further adds the following configuration to stabilize the temperature of the engine cooling water.
前記ラジエータ６の電動ファン１３を駆動するモータ１
４として、制御装置１５によって回転速度制御されるイ
ンバータモータが用いられるとともに、この制御装置１
５に接続された温度センサ１６がラジェータ６の出口側
水路１７に設けられ、又、ラジェータ６の入口側水路１
８と出口側水路１７とを短絡するバイパス流路１つに、
制御装置１５に接続された電磁開閉弁２０が設けられて
いる。A motor 1 that drives the electric fan 13 of the radiator 6
4, an inverter motor whose rotational speed is controlled by a control device 15 is used, and this control device 1
A temperature sensor 16 connected to the outlet water channel 17 of the radiator 6 is provided at the outlet water channel 17 of the radiator 6.
8 and one bypass flow path that short-circuits the outlet side waterway 17,
An electromagnetic on-off valve 20 connected to the control device 15 is provided.
そして、温度センサ１６によって検出されたエンジン冷
却水温度が設定温度（例えば８０℃）以下であれば、電
磁開閉弁２０が閉しられるとともにモータ１４が停止さ
れて、エンジン排熱回収器５を出たエンジン冷却水はラ
ジェータ６で冷却されることなく短絡流動され、又、検
出したエンジン冷却水温度が設定温度より高い場合は、
電磁開閉弁２０が閉じられてエンジン冷却水がラジェー
タ６に送られるとともに、モータ１４が駆動されて電動
ファン１３による冷却が行われる。かつ、このラジェー
タ６による冷却運転状態では、検出温度が高いほど電動
ファン１３の回転駆動速度が速められるようにモータ１
４が回転速度制御され、この上う１こすることでつオー
クジャケント３に戻されるエンジン冷却水の温度の安定
化が図られているのである。If the engine cooling water temperature detected by the temperature sensor 16 is below the set temperature (for example, 80°C), the electromagnetic on-off valve 20 is closed, the motor 14 is stopped, and the engine exhaust heat recovery device 5 is output. The engine cooling water is short-circuited without being cooled by the radiator 6, and if the detected engine cooling water temperature is higher than the set temperature,
The electromagnetic on-off valve 20 is closed and engine cooling water is sent to the radiator 6, and the motor 14 is driven to perform cooling by the electric fan 13. In addition, in the cooling operation state by the radiator 6, the motor 1 is set such that the higher the detected temperature is, the faster the rotational drive speed of the electric fan 13 is.
The rotational speed of engine 4 is controlled, and the temperature of the engine cooling water returned to oak jacket 3 is stabilized by this.
尚、前記温度センサ１６はラジェータ６の入口側水路１
８に設けてもよい。Note that the temperature sensor 16 is connected to the inlet water channel 1 of the radiator 6.
8 may be provided.
第２図は、エンジン１で発電ｍ、２１を駆動するよう構
成したエンジン発電機に上記排熱回収装置を装備した具
体例を示しており、この場合、電動ファン６はパラケー
ン２２内の換気冷却ファンとしても機能している。尚、
第３図に示すように、エンジン排熱回収器５を、エンジ
ン冷却水が供給される筒状ケース２３の内部に排熱回収
液体が通る熱交換パイプ２４を設けた多管式熱交換器に
構成するとともに、筒状ケース２３を７ツバタンタとす
るようにラジェータ６を直結すると、コンパクトな排熱
回収及び放熱部が行なわれる。FIG. 2 shows a specific example in which the engine generator configured to drive the power generation m, 21 with the engine 1 is equipped with the above exhaust heat recovery device. It also functions as a fan. still,
As shown in FIG. 3, the engine exhaust heat recovery device 5 is a multi-tubular heat exchanger having a heat exchange pipe 24 through which the exhaust heat recovery liquid passes inside a cylindrical case 23 to which engine cooling water is supplied. In addition, by directly connecting the radiator 6 so that the cylindrical case 23 has seven points, a compact exhaust heat recovery and heat dissipation section can be achieved.
第１図は本発明に係るエンジンの排熱回収装置を示す系
統図、第２図は本発明装置を備えたエンジン発電機の縦
断面図、第３図は熱交換部の一例を示す側面図、又第４
図は従来装置の系統図である。
１・・・エンジン、 ３・・・つオークジャケント、
４・・・排気熱吸収器、 ５・・・排熱回収器、６・・
・ラジェータ、 １３・・・電動ファン、１５・・・
ファン制御装置、 １６・・・温度センサ、１７・・
・出口側水路、 １８・・・入口側水路。Fig. 1 is a system diagram showing an exhaust heat recovery device for an engine according to the present invention, Fig. 2 is a longitudinal sectional view of an engine generator equipped with the device of the present invention, and Fig. 3 is a side view showing an example of a heat exchange section. , also the fourth
The figure is a system diagram of a conventional device. 1...engine, 3...two oak jackets,
4...Exhaust heat absorber, 5...Exhaust heat recovery device, 6...
・Radiator, 13...Electric fan, 15...
Fan control device, 16... Temperature sensor, 17...
・Outlet side waterway, 18...Inlet side waterway.
Claims (1)
ケット３でエンジン本体熱を吸収し、排気熱吸収器４で
排気熱を吸収し、排熱回収器５で放熱し、ラジエータ６
で冷却された後、ウォータジャケット３に戻されて循環
するように構成し、ラジエータ６を電動ファン１３で冷
却するように構成したエンジンの排熱回収装置において
、冷却水を排熱回収器５からラジエータ６へ案内するラ
ジエータ入口側水路１８とラジエータ６からウォータジ
ャケット３へ案内するラジエータ出口側水路１７との少
なくとも一方に温度センサ１６を設け、温度センサ１６
が冷却水の温度を検出することに基づき、ファン制御装
置１５を介して電動ファン１３の運転を制御するように
構成し、温度センサ１６の検出温度が設定温度以下の低
温検出状態では電動７アン１３を停止させるとともに、
設定温度以上の高温検出状態では回転駆動させるように
構成し、かつ、高温検出状態では検出温度が高いほど回
転駆動速度を速めるように回転制御することにより、ラ
ジエータ出口側水路１７を流れる冷却水の温度を所定の
温度に安定させるように構成した事を特徴とするエンジ
ンの排熱回収装置1. The cooling water of the engine 1 absorbs engine body heat in the water jacket 3 of the engine 1, absorbs exhaust heat in the exhaust heat absorber 4, radiates heat in the exhaust heat recovery device 5, and is transferred to the radiator 6.
In an engine exhaust heat recovery device configured to cool the radiator 6 with an electric fan 13, the cooling water is returned to the water jacket 3 for circulation, and is configured to cool the radiator 6 with an electric fan 13. A temperature sensor 16 is provided in at least one of the radiator inlet water channel 18 that guides to the radiator 6 and the radiator outlet water channel 17 that guides from the radiator 6 to the water jacket 3.
is configured to control the operation of the electric fan 13 via the fan control device 15 based on the detection of the temperature of the cooling water, and in a low temperature detection state where the temperature detected by the temperature sensor 16 is lower than the set temperature, 13, and
The cooling water flowing through the radiator outlet side water channel 17 is configured to be rotated when the high temperature is detected to be higher than the set temperature, and the rotation is controlled so that the rotational drive speed is increased as the detected temperature is higher in the high temperature detection state. An engine exhaust heat recovery device characterized by being configured to stabilize the temperature at a predetermined temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62314998A JPH01155020A (en) | 1987-12-11 | 1987-12-11 | Exhaust heat recovering device for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62314998A JPH01155020A (en) | 1987-12-11 | 1987-12-11 | Exhaust heat recovering device for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01155020A true JPH01155020A (en) | 1989-06-16 |
Family
ID=18060178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62314998A Pending JPH01155020A (en) | 1987-12-11 | 1987-12-11 | Exhaust heat recovering device for engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01155020A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0321549U (en) * | 1989-07-13 | 1991-03-04 | ||
| JP2002228294A (en) * | 2001-01-30 | 2002-08-14 | Sanyo Electric Co Ltd | Method and device for cooling engine and refrigerating device |
| JP2006348948A (en) * | 2006-09-26 | 2006-12-28 | Sanyo Electric Co Ltd | Cogeneration system |
| US8136488B2 (en) | 2005-07-28 | 2012-03-20 | Audi Ag | Cooling system for a vehicle, and method for the operation of a cooling system |
| WO2015146342A1 (en) * | 2014-03-26 | 2015-10-01 | ヤンマー株式会社 | Package-storage-type engine power generator |
-
1987
- 1987-12-11 JP JP62314998A patent/JPH01155020A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0321549U (en) * | 1989-07-13 | 1991-03-04 | ||
| JP2002228294A (en) * | 2001-01-30 | 2002-08-14 | Sanyo Electric Co Ltd | Method and device for cooling engine and refrigerating device |
| US8136488B2 (en) | 2005-07-28 | 2012-03-20 | Audi Ag | Cooling system for a vehicle, and method for the operation of a cooling system |
| JP2006348948A (en) * | 2006-09-26 | 2006-12-28 | Sanyo Electric Co Ltd | Cogeneration system |
| WO2015146342A1 (en) * | 2014-03-26 | 2015-10-01 | ヤンマー株式会社 | Package-storage-type engine power generator |
| EA033317B1 (en) * | 2014-03-26 | 2019-09-30 | Янмар Ко., Лтд. | Package-storage-type engine power generator |
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