JPH05157006A - Engine exhaust heat recovery device - Google Patents
Engine exhaust heat recovery deviceInfo
- Publication number
- JPH05157006A JPH05157006A JP3342266A JP34226691A JPH05157006A JP H05157006 A JPH05157006 A JP H05157006A JP 3342266 A JP3342266 A JP 3342266A JP 34226691 A JP34226691 A JP 34226691A JP H05157006 A JPH05157006 A JP H05157006A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- exhaust heat
- passage
- heat recovery
- engine cooling
- 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
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
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、エンジンの排熱を回
収する装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for recovering engine exhaust heat.
【０００２】[0002]
【従来の技術】この種の排熱回収装置には、本出願人が
先に提案した特開平２−１９１８０８号公報に示すもの
がある。これは、図３に示すように、次のように構成さ
れている。2. Description of the Related Art An exhaust heat recovery device of this type is disclosed in Japanese Patent Application Laid-Open No. 2-191808 previously proposed by the present applicant. This is configured as follows, as shown in FIG.
【０００３】エンジン２のウォータジャケット８と排気
熱吸収用熱交換器９のエンジン冷却液流路９ａと第１放
熱部４ａとエンジン冷却液循環ポンプ１０とを直列循環
状に接続して排熱回収路４を構成する。その第１放熱部
４ａに対してエンジン冷却路５を並列に接続して、その
エンジン冷却路５にラジエータからなる第２放熱部５ａ
を設ける。符号２９は、電動式の可変分流弁である。上
記の第１放熱部４ａを排熱回収用熱交換器３０内に設け
る。その熱交換器３０の熱回収流路３１と貯湯槽６と水
道水循環ポンプ３２とを直列循環状に接続して、その循
環ポンプ３２を温度スイッチ３３とコントローラ３４と
で運転制御する。Exhaust heat recovery is achieved by connecting the water jacket 8 of the engine 2, the engine coolant flow passage 9a of the heat exchanger 9 for absorbing exhaust heat, the first heat radiating portion 4a, and the engine coolant circulation pump 10 in series circulation. Configure path 4. The engine cooling passage 5 is connected in parallel to the first heat radiation portion 4a, and the second heat radiation portion 5a made of a radiator is connected to the engine cooling passage 5.
To provide. Reference numeral 29 is an electric variable shunt valve. The above-mentioned first heat radiation portion 4a is provided in the heat exchanger 30 for recovering exhaust heat. The heat recovery passageway 31 of the heat exchanger 30, the hot water storage tank 6, and the tap water circulation pump 32 are connected in a serial circulation manner, and the circulation pump 32 is operation-controlled by the temperature switch 33 and the controller 34.
【０００４】そして、排熱回収路４に設けた温度スイッ
チ３６とコントローラ３７とによって前記の可変分流弁
２９の分流率を調節して、エンジン冷却液の第１放熱部
４ａへの供給量と第２放熱部５ａへの供給量とを制御す
るのである。Then, the flow rate of the variable flow dividing valve 29 is adjusted by the temperature switch 36 provided in the exhaust heat recovery passage 4 and the controller 37 to supply the engine cooling liquid to the first heat radiating portion 4a and the first amount. 2 The amount of supply to the heat radiating portion 5a is controlled.
【０００５】[0005]
【発明が解決しようとする課題】排熱回収装置は、排熱
回収用熱交換器３０と貯湯槽６と水道水循環ポンプ３２
とが必要なので、複雑な構成で大型である。また、温度
スイッチ３３による水道水循環ポンプ３２の運転タイミ
ングと、別の温度スイッチ３６による可変分流弁２９の
分流率の調節とが個別に制御されているので、貯湯槽６
の給湯温度の変動幅が大きい。The exhaust heat recovery apparatus comprises a heat exchanger 30 for recovering exhaust heat, a hot water storage tank 6, and a tap water circulation pump 32.
Since it requires and, it has a complicated structure and is large. Further, since the operation timing of the tap water circulation pump 32 by the temperature switch 33 and the adjustment of the diversion rate of the variable diversion valve 29 by the other temperature switch 36 are individually controlled, the hot water tank 6
The fluctuation range of the hot water supply temperature is large.
【０００６】上記の問題を解決するため、本発明者は、
本発明に先立って、上記の従来例を次のように改良した
ものを考えた。これは、図２に示すように、第１放熱部
４ａを貯湯槽６内に設けるとともに、その貯湯槽６の温
度スイッチ３６でコントローラ３７を介して可変分流弁
２９の分流率を調節するように構成したものである。な
お、上記の可変分流弁２９に代えて、排熱回収路４とエ
ンジン冷却路５との分岐部分に２つの電磁弁を設けても
よい。In order to solve the above problems, the present inventor has
Prior to the present invention, the following conventional example was considered to be improved as follows. As shown in FIG. 2, the first heat radiating portion 4a is provided in the hot water storage tank 6, and the temperature switch 36 of the hot water storage tank 6 adjusts the diversion rate of the variable diversion valve 29 via the controller 37. It is composed. It should be noted that, instead of the variable flow dividing valve 29 described above, two electromagnetic valves may be provided at a branch portion between the exhaust heat recovery passage 4 and the engine cooling passage 5.
【０００７】上記の先発明例は、図３の従来例から排熱
回収熱交換器３０と水道水循環ポンプ３２とを省略して
排熱回収装置を簡素な構成で小型に造れるうえ、給湯用
温度スイッチ３６によってコントローラ３７を介して可
変分流弁２９又は２つの電磁弁を直接に調節するので時
間遅れがなくなり、貯湯槽６の給湯温度の変動幅も小さ
くなる。In the above-mentioned prior invention example, the exhaust heat recovery heat exchanger 30 and the tap water circulation pump 32 are omitted from the prior art example of FIG. 3 so that the exhaust heat recovery device can be made compact with a simple structure and the temperature for hot water supply can be improved. Since the switch 36 directly adjusts the variable shunt valve 29 or the two solenoid valves via the controller 37, there is no time delay, and the fluctuation range of the hot water supply temperature of the hot water storage tank 6 is also small.
【０００８】しかし、上記の可変分流弁２９(又は２つ
の電磁弁)とコントローラ３７とが高価であることか
ら、排熱回収装置の構成を簡素化するうえでは改善の余
地が残されていた。本発明は、前記の従来例と上記の先
発明例の問題点を全て解決することを目的とする。However, since the variable diversion valve 29 (or two solenoid valves) and the controller 37 are expensive, there is room for improvement in simplifying the structure of the exhaust heat recovery device. It is an object of the present invention to solve all the problems of the above conventional example and the above prior invention example.
【０００９】[0009]
【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、エンジンの排熱回収装置を次のように構
成した。In order to achieve the above object, the present invention has an exhaust heat recovery system for an engine configured as follows.
【００１０】例えば図１に示すように、エンジン２の排
熱発生部Ａと排熱回収用第１放熱部４ａとで排熱回収路
４を構成して、その排熱回収路４とエンジン冷却路５の
第２放熱部５ａとへエンジン冷却液を循環可能に構成し
たエンジンの排熱回収装置において、上記の第１放熱部
４ａを貯湯槽６内に設け、上記の排熱回収路４の戻り路
１５に対して上記エンジン冷却路５を並列に設け、その
戻り路１５内のエンジン冷却液温度が設定温度以上にな
った時に開弁するサーモスタット式バルブ１９を上記の
エンジン冷却路５に設けたものである。For example, as shown in FIG. 1, the exhaust heat recovery section 4 of the engine 2 and the first heat dissipation section 4a for exhaust heat recovery constitute an exhaust heat recovery path 4, and the exhaust heat recovery path 4 and the engine cooling. In the exhaust heat recovery device of the engine configured to circulate the engine cooling liquid to the second heat dissipation part 5a of the passage 5, the first heat dissipation part 4a is provided in the hot water storage tank 6, and the exhaust heat recovery path 4 is The engine cooling passage 5 is provided in parallel with the return passage 15, and a thermostat valve 19 that opens when the temperature of the engine cooling liquid in the return passage 15 exceeds a set temperature is provided in the engine cooling passage 5. It is a thing.
【００１１】[0011]
【作用】本発明は、例えば図１に示すように、次のよう
に作用する。排熱回収路４の戻り路１５を流れるエンジ
ン冷却液の温度が設定温度未満の場合には、サーモスタ
ット式バルブ１９が閉じられたままであり、そのエンジ
ン冷却液は、排熱発生部Ａ・第１放熱部４ａ・戻り路１
５の経路で循環される。The present invention operates as follows, for example, as shown in FIG. When the temperature of the engine cooling liquid flowing through the return passage 15 of the exhaust heat recovery passage 4 is lower than the set temperature, the thermostat valve 19 remains closed, and the engine cooling liquid remains in the exhaust heat generating portion A Heat sink 4a / return path 1
It is circulated in the route of 5.
【００１２】貯湯槽６の給湯量が減少して第１放熱部４
ａからの放熱量が少なくなると、エンジン冷却液の温度
が次第に上昇していく。その温度が設定温度に到達する
と、上記サーモスタット式バルブ１９が開いて、エンジ
ン冷却液を第２放熱部５ａへ循環させてここから放熱さ
せる。これにより、エンジン冷却液の温度が異常に上昇
するのを防止する。Since the amount of hot water supplied to the hot water storage tank 6 is reduced,
When the amount of heat released from a decreases, the temperature of the engine coolant gradually rises. When the temperature reaches the set temperature, the thermostat valve 19 is opened to circulate the engine cooling liquid to the second heat radiating portion 5a to radiate the heat. This prevents the temperature of the engine coolant from rising abnormally.
【００１３】上記の状態において、貯湯槽６の給湯量が
増加して第１放熱部４ａからの放熱量が多くなると、エ
ンジン冷却液の温度が次第に下降していく。その温度が
設定温度未満になると、上記サーモスタット式バルブ１
９が閉じて第２放熱部５ａからの放熱を停止する。これ
により、エンジン冷却液の温度が異常に低下するのを防
止する。以上により、エンジン冷却液の温度が所定範囲
内に保たれるのである。In the above state, when the amount of hot water supplied to the hot water storage tank 6 increases and the amount of heat radiated from the first heat radiating portion 4a increases, the temperature of the engine coolant gradually drops. When the temperature falls below the set temperature, the thermostat valve 1
9 is closed to stop the heat radiation from the second heat radiation portion 5a. This prevents the temperature of the engine coolant from dropping abnormally. As described above, the temperature of the engine coolant is kept within the predetermined range.
【００１４】[0014]
【発明の効果】本発明は、上記のように構成され作用す
ることから次の効果を奏する。従来例の装置から排熱回
収熱交換器と水道水循環ポンプとを省略できるうえ、可
変分流弁(又は２つの電磁弁)及びそのコントローラをも
省略できるので、排熱回収装置を簡素な構成で小型に造
れる。また、サーモスタット式バルブの開閉によってエ
ンジン冷却液の放熱量を直接に制御できるので、制御の
時間遅れが少なくなり、貯湯槽での給湯温度の変動幅が
小さい。The present invention has the following effects because it is constructed and operates as described above. The waste heat recovery heat exchanger and the tap water circulation pump can be omitted from the conventional device, and the variable diversion valve (or two solenoid valves) and its controller can also be omitted. Can be built into. Further, since the heat radiation amount of the engine cooling liquid can be directly controlled by opening and closing the thermostat valve, the control time delay is reduced and the fluctuation range of the hot water supply temperature in the hot water storage tank is small.
【００１５】[0015]
【実施例】以下、本発明の一実施例を図１で説明する。
コージェネレーション装置１は、液冷式ガスエンジン２
・発電機３・排熱回収路４・エンジン冷却路５を備え
る。エンジン２で発電機３を駆動すると、発電機３によ
って電力を供給すると同時に、エンジン２の排熱をエン
ジン冷却液を介して貯湯槽６内の水道水に回収するよう
になっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.
The cogeneration system 1 includes a liquid-cooled gas engine 2
A generator 3, an exhaust heat recovery path 4, and an engine cooling path 5 are provided. When the generator 2 is driven by the engine 2, electric power is supplied from the generator 3 and at the same time, exhaust heat of the engine 2 is recovered into tap water in the hot water storage tank 6 via the engine cooling liquid.
【００１６】上記の貯湯槽６から取り出される温水量が
減少して、排熱回収路４の第１放熱部４ａでの放熱量が
少なくなると、エンジン冷却液の温度が上昇していく。
その液温が設定値以上になると、エンジン冷却液をエン
ジン冷却路５の第２放熱部５ａからも放熱させて、エン
ジン冷却液の液温を所定の範囲内に保つように構成して
ある。When the amount of hot water taken out from the hot water storage tank 6 decreases and the amount of heat radiation in the first heat radiation portion 4a of the exhaust heat recovery passage 4 decreases, the temperature of the engine cooling liquid rises.
When the liquid temperature becomes equal to or higher than the set value, the engine cooling liquid is also radiated from the second heat radiating portion 5a of the engine cooling path 5, so that the liquid temperature of the engine cooling liquid is kept within a predetermined range.
【００１７】上記の排熱回収路４は、エンジン２のウォ
ータジャケット８と排気熱吸収用熱交換器９のエンジン
冷却液流路９ａと貯湯槽６内の第１放熱部４ａとエンジ
ン冷却液循環ポンプ１０とを順に接続して構成される。
なお、エンジン２の排気ガスは、排気熱吸収用熱交換器
９の排気ガス流路９ｂからマフラ１１を経て外部に排出
される。The exhaust heat recovery passage 4 is provided with a water jacket 8 of the engine 2, an engine cooling liquid passage 9a of the exhaust heat absorbing heat exchanger 9, a first heat radiating portion 4a in the hot water tank 6, and an engine cooling liquid circulation. The pump 10 and the pump 10 are connected in order.
The exhaust gas of the engine 2 is discharged to the outside from the exhaust gas flow passage 9b of the exhaust heat absorbing heat exchanger 9 through the muffler 11.
【００１８】そして、ウォータジャケット８で温度上昇
したエンジン冷却液は、排気熱吸収用熱交換器９のエン
ジン冷却液流路９ａを通過する間に排気熱を吸収してさ
らに温度上昇し、その後、第１放熱部４ａを通過する間
に貯湯槽６内の水道水へ放熱して、ウォータジャケット
８へ戻される。上記ウォータジャケット８と排気熱吸収
用熱交換器９のエンジン冷却液流路９ａとで排熱発生部
Ａが構成される。The engine cooling liquid whose temperature has risen in the water jacket 8 absorbs exhaust heat while passing through the engine cooling liquid flow passage 9a of the exhaust heat absorbing heat exchanger 9 and further rises in temperature. While passing through the first heat radiating portion 4a, it radiates heat to the tap water in the hot water storage tank 6 and is returned to the water jacket 8. The water jacket 8 and the engine coolant flow passage 9a of the heat exchanger 9 for absorbing exhaust heat constitute an exhaust heat generating portion A.
【００１９】なお、排気熱吸収用熱交換器９のエンジン
冷却液流路９ａの出口は、サーモスタット式バルブ１３
を介して循環ポンプ１０の入口に接続される。このサー
モスタット式バルブ１３は、エンジン２の冷機始動時で
エンジン冷却液の温度が設定温度(ここでは摂氏８０度)
未満の場合には、そのエンジン冷却液をバイパス路１４
から循環ポンプ１０へバイパスさせてエンジン２を早期
に暖めるるとともに、そのエンジン冷却液温度が設定温
度(同上の摂氏８０度)以上となった場合に、エンジン冷
却液を排熱回収回路４へ送るように構成される。The outlet of the engine coolant passage 9a of the heat exchanger 9 for absorbing exhaust heat has a thermostatic valve 13 at its outlet.
Is connected to the inlet of the circulation pump 10 via. The temperature of the engine coolant is set to a preset temperature (80 degrees Celsius here) when the engine 2 is cold-started.
If it is less than,
The engine 2 is bypassed to the circulation pump 10 to warm the engine 2 early, and when the engine coolant temperature exceeds the set temperature (80 degrees Celsius above), the engine coolant is sent to the exhaust heat recovery circuit 4. Is configured as follows.
【００２０】前記エンジン冷却路５は、上記の排熱回収
路４の戻り路１５と並列に設けられる。このエンジン冷
却路５にラジエータからなる第２放熱部５ａが設けら
れ、その第２放熱部５ａにラジエータファン１７が対面
される。上記エンジン冷却路５の入口と上記の戻り路１
５の始端との分岐部分に、別のサーモスタット式バルブ
１９が設けられる。このサーモスタット式バルブ１９の
バルブ本体は、エンジン冷却路５の入口に設けられる。The engine cooling passage 5 is provided in parallel with the return passage 15 of the exhaust heat recovery passage 4 described above. The engine cooling path 5 is provided with a second heat radiating portion 5a made of a radiator, and the radiator fan 17 is faced with the second heat radiating portion 5a. The inlet of the engine cooling path 5 and the return path 1
Another thermostatic valve 19 is provided at a branch portion from the start end of 5. The valve body of the thermostat valve 19 is provided at the inlet of the engine cooling passage 5.
【００２１】上記サーモスタット式バルブ１９は、上記
の戻り路１５内のエンジン冷却液温度が設定温度(ここ
では摂氏９０度)未満の場合には、エンジン冷却路５を
閉じて戻り路１５へエンジン冷却液を送るのに対して、
そのエンジン冷却液温度が設定温度(同上の摂氏９０度)
以上となった場合に、エンジン冷却路５を開いてエンジ
ン冷却液をエンジン冷却路５へ送るように構成される。The thermostat valve 19 closes the engine cooling passage 5 and cools the engine to the return passage 15 when the temperature of the engine coolant in the return passage 15 is lower than the set temperature (here, 90 degrees Celsius). While sending liquid,
The engine coolant temperature is the set temperature (same as above 90 degrees Celsius)
In the above case, the engine cooling passage 5 is opened and the engine cooling liquid is sent to the engine cooling passage 5.
【００２２】なお、ラジエータファン１７は、温度スイ
ッチ２１で運転制御されるが、その温度スイッチ２１に
代えてフロースイッチを用いてもよい。The radiator fan 17 is operated and controlled by the temperature switch 21, but a flow switch may be used instead of the temperature switch 21.
【００２３】上記の実施例は次のように変更できる。サ
ーモスタット式バルブ１９は、エンジン冷却路５の入口
と戻り路１５の始端との分岐部分に設けることに代え
て、エンジン冷却路５の出口と戻り路１５の終端との分
岐部分に設けることも可能である。The above embodiment can be modified as follows. The thermostatic valve 19 may be provided at the branch portion between the outlet of the engine cooling passage 5 and the end of the return passage 15 instead of being provided at the branch portion between the inlet of the engine cooling passage 5 and the start end of the return passage 15. Is.
【００２４】また、そのサーモスタット式バルブ１９の
バルブ部分をエンジン冷却路５の途中部に設けるととも
に感熱部分を戻り路１５に設けて、これらバルブ部分と
感熱部分とをキャピラリで接続することも可能である。It is also possible to provide the valve portion of the thermostatic valve 19 in the middle of the engine cooling passage 5 and the heat-sensitive portion in the return passage 15 so that the valve portion and the heat-sensitive portion can be connected by a capillary. is there.
【００２５】さらに、上記サーモスタット式バルブ１９
は、エンジン冷却路５と戻り路１５とに開弁用設定温度
が異なるバルブ本体をそれぞれ設けたものであってもよ
い。Further, the thermostat valve 19 is used.
Alternatively, the engine cooling passage 5 and the return passage 15 may be provided with valve bodies having different valve opening set temperatures.
【００２６】エンジン冷却液循環ポンプ１０は、エンジ
ン２と第１放熱部４ａとの間に設けることも可能であ
る。排熱発生部Ａは、排気熱吸収用熱交換器９のエンジ
ン冷却液流路９ａとウォータジャケット８とを並列に接
続して構成することも可能であり、これら両者９ａ・８
のうちのいずれか一方だけ設けることも可能である。The engine coolant circulation pump 10 can be provided between the engine 2 and the first heat radiating portion 4a. The exhaust heat generating section A can also be configured by connecting the engine coolant flow passage 9a of the heat exchanger 9 for absorbing exhaust heat and the water jacket 8 in parallel.
It is also possible to provide only one of the above.
【００２７】エンジン２は、ガスエンジンに代えて、ガ
ソリンエンジンやディーゼルエンジンであってもよい。
貯湯槽６から取り出される液体は、水道水に限定される
ものでなく、他の液体であってもよい。The engine 2 may be a gasoline engine or a diesel engine instead of the gas engine.
The liquid taken out from the hot water storage tank 6 is not limited to tap water and may be another liquid.
【図１】本発明の一実施例の系統図である。FIG. 1 is a system diagram of an embodiment of the present invention.
【図２】先発明例の系統図である。FIG. 2 is a system diagram of a prior invention example.
【図３】従来例の系統図である。FIG. 3 is a system diagram of a conventional example.
２…エンジン、４…排熱回収路、４ａ…第１放熱部、５
…エンジン冷却路、５ａ…第２放熱部、６…貯湯槽、１５
…戻り路、１９…サーモスタット式バルブ、Ａ…排熱発
生部。2 ... Engine, 4 ... Exhaust heat recovery path, 4a ... 1st heat dissipation part, 5
... Engine cooling path, 5a ... Second heat radiation part, 6 ... Hot water storage tank, 15
... Return path, 19 ... Thermostatic valve, A ... Exhaust heat generation part.
Claims (1)
収用第１放熱部(４ａ)とで排熱回収路(４)を構成して、
その排熱回収路(４)とエンジン冷却路(５)の第２放熱部
(５ａ)とへエンジン冷却液を循環可能に構成した、エン
ジンの排熱回収装置において、 上記の第１放熱部(４ａ)を貯湯槽(６)内に設け、上記の
排熱回収路(４)の戻り路(１５)に対して上記エンジン冷
却路(５)を並列に設け、その戻り路(１５)内のエンジン
冷却液温度が設定温度以上になった時に開弁するサーモ
スタット式バルブ(１９)を上記のエンジン冷却路(５)に
設けた、ことを特徴とするエンジンの排熱回収装置。1. An exhaust heat recovery path (4) is constituted by an exhaust heat generation part (A) of an engine (2) and a first heat dissipation part for heat recovery (4a),
The second heat dissipation part of the exhaust heat recovery path (4) and the engine cooling path (5)
In an engine exhaust heat recovery device configured to circulate engine cooling liquid to (5a), the above-mentioned first heat dissipation part (4a) is provided in a hot water storage tank (6), and the above-mentioned exhaust heat recovery path (4) The engine cooling passage (5) is provided in parallel with the return passage (15), and the thermostat valve (19) opens when the temperature of the engine coolant in the return passage (15) exceeds a set temperature. ) Is provided in the engine cooling path (5) described above, the exhaust heat recovery device for the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3342266A JPH05157006A (en) | 1991-11-29 | 1991-11-29 | Engine exhaust heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3342266A JPH05157006A (en) | 1991-11-29 | 1991-11-29 | Engine exhaust heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05157006A true JPH05157006A (en) | 1993-06-22 |
Family
ID=18352387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3342266A Pending JPH05157006A (en) | 1991-11-29 | 1991-11-29 | Engine exhaust heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05157006A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028508A (en) * | 2001-07-17 | 2003-01-29 | Tokyo Gas Co Ltd | Heating apparatus |
| JP2007064518A (en) * | 2005-08-30 | 2007-03-15 | Chofu Seisakusho 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 |
| WO2015146345A1 (en) * | 2014-03-26 | 2015-10-01 | ヤンマー株式会社 | Engine coolant circuit |
| WO2015146346A1 (en) * | 2014-03-26 | 2015-10-01 | ヤンマー株式会社 | Engine coolant circuit |
| KR20210115069A (en) * | 2020-02-21 | 2021-09-27 | 주식회사 하나티이씨 | A system for recycling waste heat using gas generator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5588323A (en) * | 1978-12-27 | 1980-07-04 | Hitachi Ltd | Manufacture of semiconductor device |
-
1991
- 1991-11-29 JP JP3342266A patent/JPH05157006A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5588323A (en) * | 1978-12-27 | 1980-07-04 | Hitachi Ltd | Manufacture of semiconductor device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028508A (en) * | 2001-07-17 | 2003-01-29 | Tokyo Gas Co Ltd | Heating apparatus |
| JP4611577B2 (en) * | 2001-07-17 | 2011-01-12 | 東京瓦斯株式会社 | Heating 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 |
| JP2007064518A (en) * | 2005-08-30 | 2007-03-15 | Chofu Seisakusho Co Ltd | Cogeneration system |
| JP4685553B2 (en) * | 2005-08-30 | 2011-05-18 | 株式会社長府製作所 | Cogeneration system |
| WO2015146345A1 (en) * | 2014-03-26 | 2015-10-01 | ヤンマー株式会社 | Engine coolant circuit |
| WO2015146346A1 (en) * | 2014-03-26 | 2015-10-01 | ヤンマー株式会社 | Engine coolant circuit |
| JP2015183660A (en) * | 2014-03-26 | 2015-10-22 | ヤンマー株式会社 | engine cooling water circuit |
| CN106164437A (en) * | 2014-03-26 | 2016-11-23 | 洋马株式会社 | Engine cool water loop |
| US10060330B2 (en) | 2014-03-26 | 2018-08-28 | Yanmar Co., Ltd. | Engine coolant circuit |
| KR20210115069A (en) * | 2020-02-21 | 2021-09-27 | 주식회사 하나티이씨 | A system for recycling waste heat using gas generator |
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