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JP2004068603A5
JP2004068603A5 JP2002224474A JP2002224474A JP2004068603A5 JP 2004068603 A5 JP2004068603 A5 JP 2004068603A5 JP 2002224474 A JP2002224474 A JP 2002224474A JP 2002224474 A JP2002224474 A JP 2002224474A JP 2004068603 A5 JP2004068603 A5 JP 2004068603A5
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dme fuel
storage chamber
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Priority to PCT/JP2003/005452 priority patent/WO2003091565A1/en
Priority to AU2003235959A priority patent/AU2003235959A1/en
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本願請求項１６に記載の発明に係るＤＭＥ燃料の温度制御プログラムによれば、前述した本願請求項５に記載の発明と同様の作用効果を得ることができるとともに、このＤＭＥ燃料の温度制御プログラムを実行することができる任意のディーゼルエンジンのＤＭＥ燃料供給装置に、前述した本願請求項５に記載の発明と同様の作用効果をもたらすことができる。
本願請求項１７に記載の発明は、ディーゼルエンジンの燃料噴射ノズルへＤＭＥ燃料を加圧送出するために燃料タンクからＤＭＥ燃料が供給されて充填される油溜室と、該油溜室に充填されているＤＭＥ燃料の温度を調節する油溜室燃料温度調節手段と、前記燃料タンク内のＤＭＥ燃料の温度を調節する燃料タンク内温度調節手段とを備えたディーゼルエンジンのＤＭＥ燃料供給装置におけるＤＭＥ燃料の温度制御方法であって、前記油溜室内のＤＭＥ燃料の温度が規定温度Ｔ Ｇ となる如く、前記油溜室燃料温度調節手段を制御し、かつ、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記燃料タンク内温度調節手段を制御する、ことを特徴としたＤＭＥ燃料の温度制御方法である。
本願請求項１８に記載の発明は、ディーゼルエンジンの燃料噴射ノズルへＤＭＥ燃料を加圧送出するために燃料タンクからＤＭＥ燃料が供給されて充填される油溜室と、該油溜室に充填されているＤＭＥ燃料の温度を調節する油溜室燃料温度調節手段と、前記燃料タンク内のＤＭＥ燃料の温度を調節する燃料タンク内温度調節手段と、前記油溜室燃料温度調節手段及び前記燃料タンク内温度調節手段を制御するＤＭＥ燃料温度制御手段とを備えたディーゼルエンジンのＤＭＥ燃料供給装置であって、前記ＤＭＥ燃料温度制御手段は、前記油溜室内のＤＭＥ燃料の温度が規定温度Ｔ Ｇ となる如く、前記油溜室燃料温度調節手段を制御し、かつ、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記燃料タンク内温度調節手段を制御する、ことを特徴としたディーゼルエンジンのＤＭＥ燃料供給装置である。
本願請求項１９に記載の発明は、ディーゼルエンジンの燃料噴射ノズルへＤＭＥ燃料を加圧送出するために燃料タンクからＤＭＥ燃料が供給されて充填される油溜室と、該油溜室に充填されているＤＭＥ燃料の温度を調節する油溜室燃料温度調節手段と、前記燃料タンク内のＤＭＥ燃料の温度を調節する燃料タンク内温度調節手段とを備えたディーゼルエンジンのＤＭＥ燃料供給装置におけるＤＭＥ燃料の温度制御をコンピュータに実行させるためのＤＭＥ燃料の温度制御プログラムであって、前記油溜室内のＤＭＥ燃料の温度が規定温度Ｔ Ｇ となる如く、前記油溜室燃料温度調節手段を制御する油溜室燃料温度制御手順と、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記燃料タンク内温度調節手段を制御する燃料タンク内温度制御手順とを有している、ことを特徴としたＤＭＥ燃料の温度制御プログラムである。 According to the temperature control program for DME fuel according to the invention as set forth in claim 16 of the present application, it is possible to obtain the same function and effect as those of the invention according to claim 5 described above. The DME fuel supply device for any diesel engine that can be implemented can provide the same effects as the invention described in claim 5 described above.
According to a seventeenth aspect of the present invention, there is provided an oil reservoir chamber which is supplied with DME fuel from a fuel tank to be pressurized and delivered DME fuel to a fuel injection nozzle of a diesel engine, and the oil reservoir chamber. DME fuel in a DME fuel supply system for a diesel engine comprising: oil reservoir fuel temperature control means for controlling the temperature of the DME fuel, and temperature control means in the fuel tank for controlling the temperature of the DME fuel in the fuel tank The temperature control method of the oil storage chamber fuel is controlled so that the temperature of the DME fuel in the oil storage chamber becomes a specified temperature TG, and the temperature control method of DME fuel in the oil storage chamber is performed. The temperature control means in the fuel tank is controlled so that the temperature of the DME fuel in the fuel tank becomes high with a relatively constant temperature difference. It is a control method.
According to the eighteenth aspect of the present invention, there is provided an oil reservoir chamber which is supplied with DME fuel from a fuel tank to be pressurized and delivered to DME fuel to a fuel injection nozzle of a diesel engine, and the oil reservoir chamber. Oil reservoir fuel temperature control means for controlling the temperature of DME fuel, fuel tank temperature control means for controlling the temperature of DME fuel in the fuel tank, the oil reservoir fuel temperature control means, and the fuel tank a DME fuel supply device for a diesel engine equipped with a DME fuel temperature control means for controlling the inner temperature adjusting means, the DME fuel temperature control means, the temperature of the DME fuel in the oil reservoir chamber and the specified temperature T G To control the oil reservoir fuel temperature adjusting means, and the temperature of the DME fuel in the fuel tank is relatively constant from the temperature of the DME fuel in the oil reservoir. It is a DME fuel supply device for a diesel engine, characterized in that the temperature control means in the fuel tank is controlled so as to become high temperature by difference.
According to a nineteenth aspect of the present invention, there is provided an oil reservoir chamber which is supplied with DME fuel from a fuel tank and supplied for pressure delivery of DME fuel to a fuel injection nozzle of a diesel engine, and the oil reservoir chamber. DME fuel in a DME fuel supply system for a diesel engine comprising: oil reservoir fuel temperature control means for controlling the temperature of the DME fuel, and temperature control means in the fuel tank for controlling the temperature of the DME fuel in the fuel tank Temperature control program for causing DME fuel temperature control to be executed by a computer , wherein the oil storage chamber fuel temperature control means is controlled so that the temperature of the DME fuel in the oil storage chamber becomes a specified temperature TG The temperature of the DME fuel in the fuel tank becomes a high temperature with a relatively constant temperature difference from the reservoir chamber fuel temperature control procedure and the temperature of the DME fuel in the oil reservoir chamber As described above, the temperature control program for DME fuel is characterized by having a fuel tank temperature control procedure for controlling the fuel tank temperature control means.

Claims (19)

燃料タンクからフィードパイプを経由して供給されたＤＭＥ燃料を、所定のタイミングで所定の量だけディーゼルエンジンの燃料噴射ノズルに連通しているインジェクションパイプへ送出するインジェクションポンプと、前記インジェクションポンプの油溜室に充填されているＤＭＥ燃料の温度を調節する油溜室燃料温度調節手段と、前記燃料タンク内のＤＭＥ燃料の温度を調節する燃料タンク内温度調節手段とを備えたディーゼルエンジンのＤＭＥ燃料供給装置におけるＤＭＥ燃料の温度制御方法であって、
前記油溜室内のＤＭＥ燃料の温度が規定温度ＴＧとなる如く、前記油溜室燃料温度調節手段を制御し、かつ、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記燃料タンク内温度調節手段を制御する、ことを特徴としたＤＭＥ燃料の温度制御方法。An injection pump for delivering DME fuel supplied from a fuel tank via a feed pipe to an injection pipe communicating with a fuel injection nozzle of a diesel engine by a predetermined amount at a predetermined timing, and an oil reservoir of the injection pump DME fuel supply of a diesel engine comprising oil reservoir fuel temperature control means for controlling the temperature of DME fuel filled in the chamber, and temperature control means in the fuel tank for controlling the temperature of DME fuel in the fuel tank A temperature control method of DME fuel in the apparatus,
The oil reservoir fuel temperature control means is controlled so that the temperature of the DME fuel in the oil reservoir becomes the specified temperature TG , and the DME fuel in the fuel tank is determined based on the temperature of the DME fuel in the oil reservoir. A method of controlling the temperature of DME fuel, comprising: controlling the temperature control means in the fuel tank so that the temperature becomes high with a relatively constant temperature difference. 請求項１において、前記油溜室燃料温度調節手段は、気化したＤＭＥ燃料を冷却媒体として前記油溜室内のＤＭＥ燃料を冷却する油溜室燃料冷却器と、前記燃料タンク内のＤＭＥ燃料を冷却媒体として前記油溜室燃料冷却器へ供給する冷却媒体供給手段と、前記油溜室内のＤＭＥ燃料の温度を検出する油溜室燃料温度検出手段とを備え、
前記油溜室燃料温度検出手段にて検出した前記油溜室内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度が前記規定温度ＴＧとなる如く、前記冷却媒体供給手段による前記冷却媒体の供給動作をＯＮ／ＯＦＦ制御する、ことを特徴としたＤＭＥ燃料の温度制御方法。The oil reservoir fuel temperature adjusting means according to claim 1, further comprising: an oil reservoir fuel cooler for cooling the DME fuel in the oil reservoir using the vaporized DME fuel as a cooling medium; and cooling the DME fuel in the fuel tank. Cooling medium supply means for supplying the oil storage chamber fuel cooler as a medium, and oil storage chamber fuel temperature detection means for detecting the temperature of DME fuel in the oil storage chamber,
Based on the temperature of DME fuel in the oil storage chamber detected by the oil storage chamber fuel temperature detection means, the temperature of the DME fuel in the oil storage chamber becomes the specified temperature TG by the cooling medium supply means A temperature control method of DME fuel characterized in that ON / OFF control of the supply operation of the cooling medium is performed. 請求項１において、前記油溜室燃料温度調節手段は、気化したＤＭＥ燃料を冷却媒体として前記油溜室内のＤＭＥ燃料を冷却する油溜室燃料冷却器と、前記燃料タンク内のＤＭＥ燃料を冷却媒体として前記油溜室燃料冷却器へ供給する冷却媒体供給手段と、前記油溜室内のＤＭＥ燃料の温度を検出する油溜室燃料温度検出手段とを備え、
前記油溜室燃料温度検出手段にて検出した前記油溜室内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度が前記規定温度ＴＧとなる如く、前記冷却媒体供給手段による前記冷却媒体の供給量を調節する、ことを特徴としたＤＭＥ燃料の温度制御方法。The oil reservoir fuel temperature adjusting means according to claim 1, further comprising: an oil reservoir fuel cooler for cooling the DME fuel in the oil reservoir using the vaporized DME fuel as a cooling medium; and cooling the DME fuel in the fuel tank. Cooling medium supply means for supplying the oil storage chamber fuel cooler as a medium, and oil storage chamber fuel temperature detection means for detecting the temperature of DME fuel in the oil storage chamber,
Based on the temperature of DME fuel in the oil storage chamber detected by the oil storage chamber fuel temperature detection means, the temperature of the DME fuel in the oil storage chamber becomes the specified temperature TG by the cooling medium supply means A method of controlling the temperature of DME fuel, comprising adjusting the amount of supply of the cooling medium. 請求項３において、前記冷却媒体供給手段は、回転駆動力源の回転数に応じて前記油溜室燃料冷却器への前記冷却媒体の供給量が増減する構成を成しており、前記油溜室燃料温度検出手段にて検出した前記油溜室内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度が前記規定温度ＴＧとなる如く、前記回転駆動力源の回転数を制御する、ことを特徴としたＤＭＥ燃料の温度制御方法。In Claim 3, the cooling medium supply means is configured to increase or decrease the amount of supply of the cooling medium to the oil reservoir fuel cooler according to the rotational speed of a rotational drive power source. Based on the temperature of DME fuel in the oil storage chamber detected by the chamber fuel temperature detection means, the rotational speed of the rotational drive power source is adjusted so that the temperature of the DME fuel in the oil storage chamber becomes the specified temperature TG. And controlling the temperature of the DME fuel. 請求項１〜４のいずれか１項において、前記燃料タンク内温度調節手段は、前記燃料タンクへ送出される前記ＤＭＥ燃料が空冷冷却器を経由して冷却されてから前記燃料タンクへ戻される第１のリターン経路と、前記燃料タンクへ送出される前記ＤＭＥ燃料が前記空冷冷却器を経由せずに前記燃料タンクへ戻される第２のリターン経路と、前記第１のリターン経路と前記第２のリターン経路とを切り換えるリターン経路切換手段と、前記燃料タンク内の前記ＤＭＥ燃料の温度を検出する燃料タンク燃料温度検出手段とを備え、
前記燃料タンク燃料温度検出手段にて検出した前記燃料タンク内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記リターン経路切換手段を制御する、ことを特徴としたＤＭＥ燃料の温度制御方法。The fuel tank temperature control means according to any one of claims 1 to 4, wherein the DME fuel delivered to the fuel tank is returned to the fuel tank after being cooled via an air-cooling cooler. A return path, a second return path in which the DME fuel delivered to the fuel tank is returned to the fuel tank without passing through the air-cooling cooler, a first return path, and a second return path. Return path switching means for switching to a return path; and fuel tank fuel temperature detection means for detecting the temperature of the DME fuel in the fuel tank,
Based on the temperature of the DME fuel in the fuel tank detected by the fuel tank fuel temperature detection means, the temperature of the DME fuel in the fuel tank is relatively constant from the temperature of the DME fuel in the oil storage chamber A method of controlling the temperature of DME fuel, comprising: controlling the return path switching means so that the temperature becomes high due to a temperature difference. 燃料タンクからフィードパイプを経由して供給されたＤＭＥ燃料を、所定のタイミングで所定の量だけディーゼルエンジンの燃料噴射ノズルに連通しているインジェクションパイプへ送出するインジェクションポンプと、前記インジェクションポンプの油溜室に充填されているＤＭＥ燃料の温度を調節する油溜室燃料温度調節手段と、前記燃料タンク内のＤＭＥ燃料の温度を調節する燃料タンク内温度調節手段と、前記油溜室燃料温度調節手段及び前記燃料タンク内温度調節手段を制御するＤＭＥ燃料温度制御手段とを備えたディーゼルエンジンのＤＭＥ燃料供給装置であって、
前記ＤＭＥ燃料温度制御手段は、前記油溜室内のＤＭＥ燃料の温度が規定温度ＴＧとなる如く、前記油溜室燃料温度調節手段を制御し、かつ、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記燃料タンク内温度調節手段を制御する、ことを特徴としたディーゼルエンジンのＤＭＥ燃料供給装置。An injection pump for delivering DME fuel supplied from a fuel tank via a feed pipe to an injection pipe communicating with a fuel injection nozzle of a diesel engine by a predetermined amount at a predetermined timing, and an oil reservoir of the injection pump Oil reservoir fuel temperature adjusting means for adjusting the temperature of DME fuel filled in the chamber, temperature control means in the fuel tank for adjusting the temperature of DME fuel in the fuel tank, and the oil reservoir fuel temperature adjusting means And a DME fuel supply device for a diesel engine, comprising: DME fuel temperature control means for controlling the temperature control means in the fuel tank.
The DME fuel temperature control means controls the oil storage chamber fuel temperature control means so that the temperature of the DME fuel in the oil storage chamber becomes a specified temperature TG , and from the temperature of the DME fuel in the oil storage chamber A DME fuel supply device for a diesel engine, comprising: controlling the temperature control means in the fuel tank so that the temperature of DME fuel in the fuel tank becomes high with a relatively constant temperature difference. 請求項６において、前記油溜室燃料温度調節手段は、気化したＤＭＥ燃料を冷却媒体として前記油溜室内のＤＭＥ燃料を冷却する油溜室燃料冷却器と、前記燃料タンク内のＤＭＥ燃料を冷却媒体として前記油溜室燃料冷却器へ供給する冷却媒体供給手段と、前記油溜室内のＤＭＥ燃料の温度を検出する油溜室燃料温度検出手段とを備え、
前記ＤＭＥ燃料温度制御手段は、前記油溜室燃料温度検出手段にて検出した前記油溜室内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度が前記規定温度ＴＧとなる如く、前記冷却媒体供給手段による前記冷却媒体の供給動作をＯＮ／ＯＦＦ制御する、ことを特徴としたディーゼルエンジンのＤＭＥ燃料供給装置。The oil reservoir fuel temperature adjusting means according to claim 6, further comprising: an oil reservoir fuel cooler for cooling the DME fuel in the oil reservoir using the vaporized DME fuel as a cooling medium; and cooling the DME fuel in the fuel tank Cooling medium supply means for supplying the oil storage chamber fuel cooler as a medium, and oil storage chamber fuel temperature detection means for detecting the temperature of DME fuel in the oil storage chamber,
The DME fuel temperature control means sets the temperature of the DME fuel in the oil storage chamber to the specified temperature TG based on the temperature of the DME fuel in the oil storage chamber detected by the oil storage chamber fuel temperature detection means. A DME fuel supply device for a diesel engine, wherein ON / OFF control of the supply operation of the cooling medium by the cooling medium supply means is performed. 請求項６において、前記油溜室燃料温度調節手段は、気化したＤＭＥ燃料を冷却媒体として前記油溜室内のＤＭＥ燃料を冷却する油溜室燃料冷却器と、前記燃料タンク内のＤＭＥ燃料を冷却媒体として前記油溜室燃料冷却器へ供給する冷却媒体供給手段と、前記油溜室内のＤＭＥ燃料の温度を検出する油溜室燃料温度検出手段とを備え、
前記ＤＭＥ燃料温度制御手段は、前記油溜室燃料温度検出手段にて検出した前記油溜室内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度が前記規定温度ＴＧとなる如く、前記冷却媒体供給手段による前記冷却媒体の供給量を調節する、ことを特徴としたディーゼルエンジンのＤＭＥ燃料供給装置。The oil reservoir fuel temperature adjusting means according to claim 6, further comprising: an oil reservoir fuel cooler for cooling the DME fuel in the oil reservoir using the vaporized DME fuel as a cooling medium; and cooling the DME fuel in the fuel tank Cooling medium supply means for supplying the oil storage chamber fuel cooler as a medium, and oil storage chamber fuel temperature detection means for detecting the temperature of DME fuel in the oil storage chamber,
The DME fuel temperature control means sets the temperature of the DME fuel in the oil storage chamber to the specified temperature TG based on the temperature of the DME fuel in the oil storage chamber detected by the oil storage chamber fuel temperature detection means. A DME fuel supply device for a diesel engine, comprising: adjusting a supply amount of the cooling medium by the cooling medium supply unit. 請求項８において、前記冷却媒体供給手段は、回転駆動力源の回転数に応じて前記油溜室燃料冷却器への前記冷却媒体の供給量が増減する構成を成しており、前記油溜室燃料温度制御手段は、前記油溜室燃料温度検出手段にて検出した前記油溜室内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度が前記規定温度ＴＧとなる如く、前記回転駆動力源の回転数を制御する手段を有している、ことを特徴としたディーゼルエンジンのＤＭＥ燃料供給装置。9. The apparatus according to claim 8, wherein the cooling medium supply means is configured to increase or decrease the amount of the cooling medium supplied to the oil reservoir fuel cooler according to the rotational speed of a rotational driving power source. The chamber fuel temperature control means is configured to set the temperature of the DME fuel in the oil storage chamber to the specified temperature TG based on the temperature of the DME fuel in the oil storage chamber detected by the oil storage chamber fuel temperature detection means. A DME fuel supply device for a diesel engine, comprising means for controlling the rotational speed of the rotational driving power source. 請求項６〜９のいずれか１項において、前記燃料タンク内温度調節手段は、前記燃料タンクへ送出される前記ＤＭＥ燃料が空冷冷却器を経由して冷却されてから前記燃料タンクへ戻される第１のリターン経路と、前記燃料タンクへ送出される前記ＤＭＥ燃料が前記空冷冷却器を経由せずに前記燃料タンクへ戻される第２のリターン経路と、前記第１のリターン経路と前記第２のリターン経路とを切り換えるリターン経路切換手段と、前記燃料タンク内の前記ＤＭＥ燃料の温度を検出する燃料タンク燃料温度検出手段とを備え、
前記ＤＭＥ燃料温度制御手段は、前記燃料タンク燃料温度検出手段にて検出した前記燃料タンク内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記リターン経路切換手段を制御する、ことを特徴としたディーゼルエンジンのＤＭＥ燃料供給装置。10. The fuel tank internal temperature control means according to any one of claims 6 to 9, wherein the DME fuel delivered to the fuel tank is returned to the fuel tank after being cooled through an air-cooling cooler. A return path, a second return path in which the DME fuel delivered to the fuel tank is returned to the fuel tank without passing through the air-cooling cooler, a first return path, and a second return path. Return path switching means for switching to a return path; and fuel tank fuel temperature detection means for detecting the temperature of the DME fuel in the fuel tank,
The DME fuel temperature control means determines the DME fuel in the fuel tank based on the temperature of the DME fuel in the oil storage chamber based on the temperature of the DME fuel in the fuel tank detected by the fuel tank fuel temperature detection means. A DME fuel supply device for a diesel engine, wherein the return path switching means is controlled so that the temperature becomes high with a relatively constant temperature difference. 請求項６〜１０のいずれか１項において、前記インジェクションポンプから送出された前記ＤＭＥ燃料は、コモンレールへ供給され、該コモンレールから各燃料噴射ノズルへ送出される構成を成している、ことを特徴としたディーゼルエンジンのＤＭＥ燃料供給装置。  The method according to any one of claims 6 to 10, wherein the DME fuel delivered from the injection pump is supplied to a common rail and delivered from the common rail to each fuel injection nozzle. DME fuel supply system for diesel engines. 燃料タンクからフィードパイプを経由して供給されたＤＭＥ燃料を、所定のタイミングで所定の量だけディーゼルエンジンの燃料噴射ノズルに連通しているインジェクションパイプへ送出するインジェクションポンプと、前記インジェクションポンプの油溜室に充填されているＤＭＥ燃料の温度を調節する油溜室燃料温度調節手段と、前記燃料タンク内のＤＭＥ燃料の温度を調節する燃料タンク内温度調節手段とを備えたディーゼルエンジンのＤＭＥ燃料供給装置におけるＤＭＥ燃料の温度制御をコンピュータに実行させるためのＤＭＥ燃料の温度制御プログラムであって、
前記油溜室内のＤＭＥ燃料の温度が規定温度ＴＧとなる如く、前記油溜室燃料温度調節手段を制御する油溜室燃料温度制御手順と、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記燃料タンク内温度調節手段を制御する燃料タンク内温度制御手順とを有している、ことを特徴としたＤＭＥ燃料の温度制御プログラム。An injection pump for delivering DME fuel supplied from a fuel tank via a feed pipe to an injection pipe communicating with a fuel injection nozzle of a diesel engine by a predetermined amount at a predetermined timing, and an oil reservoir of the injection pump DME fuel supply of a diesel engine comprising oil reservoir fuel temperature control means for controlling the temperature of DME fuel filled in the chamber, and temperature control means in the fuel tank for controlling the temperature of DME fuel in the fuel tank A DME fuel temperature control program for causing a computer to execute temperature control of DME fuel in a device, comprising:
An oil storage chamber fuel temperature control procedure for controlling the oil storage chamber fuel temperature adjusting means so that the temperature of DME fuel in the oil storage chamber becomes a specified temperature TG, and the fuel according to the temperature of DME fuel in the oil storage chamber A fuel tank temperature control procedure for controlling the fuel tank temperature control means so that the temperature of the DME fuel in the tank becomes a high temperature with a relatively constant temperature difference. DME fuel temperature control program. 請求項１２において、前記油溜室燃料温度調節手段は、気化したＤＭＥ燃料を冷却媒体として前記油溜室内のＤＭＥ燃料を冷却する油溜室燃料冷却器と、前記燃料タンク内のＤＭＥ燃料を冷却媒体として前記油溜室燃料冷却器へ供給する冷却媒体供給手段と、前記油溜室内のＤＭＥ燃料の温度を検出する油溜室燃料温度検出手段とを備え、
前記油溜室燃料温度制御手順は、前記油溜室燃料温度検出手段にて検出した前記油溜室内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度が前記規定温度ＴＧとなる如く、前記冷却媒体供給手段による前記冷却媒体の供給動作をＯＮ／ＯＦＦ制御する手順を有している、ことを特徴としたＤＭＥ燃料の温度制御プログラム。13. The oil reservoir fuel temperature adjusting means according to claim 12, wherein the oil reservoir fuel temperature adjusting means cools the DME fuel in the fuel tank by using the vaporized DME fuel as a cooling medium to cool the DME fuel in the oil reservoir. Cooling medium supply means for supplying the oil storage chamber fuel cooler as a medium, and oil storage chamber fuel temperature detection means for detecting the temperature of DME fuel in the oil storage chamber,
The oil reservoir fuel temperature control procedure is based on the temperature of DME fuel in the oil reservoir detected by the oil reservoir fuel temperature detection means, the temperature of the DME fuel in the oil reservoir is the specified temperature TG And D. a temperature control program of DME fuel characterized in that it has a procedure of controlling ON / OFF the supply operation of the cooling medium by the cooling medium supply means. 請求項１２において、前記油溜室燃料温度調節手段は、気化したＤＭＥ燃料を冷却媒体として前記油溜室内のＤＭＥ燃料を冷却する油溜室燃料冷却器と、前記燃料タンク内のＤＭＥ燃料を冷却媒体として前記油溜室燃料冷却器へ供給する冷却媒体供給手段と、前記油溜室内のＤＭＥ燃料の温度を検出する油溜室燃料温度検出手段とを備え、
前記油溜室燃料温度制御手順は、前記油溜室燃料温度検出手段にて検出した前記油溜室内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度が前記規定温度ＴＧとなる如く、前記冷却媒体供給手段による前記冷却媒体の供給量を調節する手順を有している、ことを特徴としたＤＭＥ燃料の温度制御プログラム。13. The oil reservoir fuel temperature adjusting means according to claim 12, wherein the oil reservoir fuel temperature adjusting means cools the DME fuel in the fuel tank by using the vaporized DME fuel as a cooling medium to cool the DME fuel in the oil reservoir. Cooling medium supply means for supplying the oil storage chamber fuel cooler as a medium, and oil storage chamber fuel temperature detection means for detecting the temperature of DME fuel in the oil storage chamber,
The oil reservoir fuel temperature control procedure is based on the temperature of DME fuel in the oil reservoir detected by the oil reservoir fuel temperature detection means, the temperature of the DME fuel in the oil reservoir is the specified temperature TG A temperature control program of DME fuel characterized by having a procedure of adjusting a supply amount of the cooling medium by the cooling medium supply means. 請求項１４において、前記冷却媒体供給手段は、回転駆動力源の回転数に応じて前記油溜室燃料冷却器への前記冷却媒体の供給量が増減する構成を成しており、前記油溜室燃料温度制御手順は、前記油溜室燃料温度検出手段にて検出した前記油溜室内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度が前記規定温度ＴＧとなる如く、前記回転駆動力源の回転数を制御する手順を有している、ことを特徴としたＤＭＥ燃料の温度制御プログラム。In Claim 14, the cooling medium supply means is configured to increase or decrease the supply amount of the cooling medium to the oil reservoir fuel cooler according to the rotational speed of a rotational drive power source. In the chamber fuel temperature control procedure, the temperature of the DME fuel in the oil storage chamber becomes the specified temperature TG based on the temperature of the DME fuel in the oil storage chamber detected by the oil storage chamber fuel temperature detection means. A program for controlling the temperature of DME fuel, comprising: a procedure for controlling the rotational speed of the rotational drive power source. 請求項１２〜１５のいずれか１項において、前記燃料タンク内温度調節手段は、前記燃料タンクへ送出される前記ＤＭＥ燃料が空冷冷却器を経由して冷却されてから前記燃料タンクへ戻される第１のリターン経路と、前記燃料タンクへ送出される前記ＤＭＥ燃料が前記空冷冷却器を経由せずに前記燃料タンクへ戻される第２のリターン経路と、前記第１のリターン経路と前記第２のリターン経路とを切り換えるリターン経路切換手段と、前記燃料タンク内の前記ＤＭＥ燃料の温度を検出する燃料タンク燃料温度検出手段とを備え、
前記燃料タンク内温度制御手順は、前記燃料タンク燃料温度検出手段にて検出した前記燃料タンク内のＤＭＥ燃料の温度に基づいて、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記リターン経路切換手段を制御する手順を有している、ことを特徴としたＤＭＥ燃料の温度制御プログラム。The fuel tank temperature control means according to any one of claims 12 to 15, wherein the DME fuel delivered to the fuel tank is returned to the fuel tank after being cooled through an air-cooling cooler. A return path, a second return path in which the DME fuel delivered to the fuel tank is returned to the fuel tank without passing through the air-cooling cooler, a first return path, and a second return path. Return path switching means for switching to a return path; and fuel tank fuel temperature detection means for detecting the temperature of the DME fuel in the fuel tank,
The fuel tank internal temperature control procedure is based on the temperature of the DME fuel in the fuel tank detected by the fuel tank fuel temperature detection means, based on the temperature of the DME fuel in the oil storage chamber. And D. a temperature control program for DME fuel, comprising: a procedure for controlling the return path switching means so that the temperature of the fuel gas becomes high with a relatively constant temperature difference. ディーゼルエンジンの燃料噴射ノズルへＤＭＥ燃料を加圧送出するために燃料タンクからＤＭＥ燃料が供給されて充填される油溜室と、該油溜室に充填されているＤＭＥ燃料の温度を調節する油溜室燃料温度調節手段と、前記燃料タンク内のＤＭＥ燃料の温度を調節する燃料タンク内温度調節手段とを備えたディーゼルエンジンのＤＭＥ燃料供給装置におけるＤＭＥ燃料の温度制御方法であって、An oil reservoir in which DME fuel is supplied from the fuel tank and supplied for pressure delivery of DME fuel to a fuel injection nozzle of a diesel engine, and oil for adjusting the temperature of the DME fuel charged in the oil reservoir. A method for controlling the temperature of DME fuel in a DME fuel supply device for a diesel engine, comprising: reservoir chamber fuel temperature control means; and temperature control means in the fuel tank for adjusting the temperature of DME fuel in the fuel tank,
前記油溜室内のＤＭＥ燃料の温度が規定温度Ｔ  The temperature of the DME fuel in the oil reservoir chamber is a specified temperature T ＧG となる如く、前記油溜室燃料温度調節手段を制御し、かつ、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記燃料タンク内温度調節手段を制御する、ことを特徴としたＤＭＥ燃料の温度制御方法。To control the oil reservoir fuel temperature adjusting means so that the temperature of the DME fuel in the fuel tank becomes high with a relatively constant temperature difference from the temperature of the DME fuel in the oil reservoir. And controlling the temperature control means in the fuel tank as described above. ディーゼルエンジンの燃料噴射ノズルへＤＭＥ燃料を加圧送出するために燃料タンクからＤＭＥ燃料が供給されて充填される油溜室と、該油溜室に充填されているＤＭＥ燃料の温度を調節する油溜室燃料温度調節手段と、前記燃料タンク内のＤＭＥ燃料の温度を調節する燃料タンク内温度調節手段と、前記油溜室燃料温度調節手段及び前記燃料タンク内温度調節手段を制御するＤＭＥ燃料温度制御手段とを備えたディーゼルエンジンのＤＭＥ燃料供給装置であって、An oil reservoir in which DME fuel is supplied from the fuel tank and supplied for pressure delivery of DME fuel to a fuel injection nozzle of a diesel engine, and oil for adjusting the temperature of the DME fuel charged in the oil reservoir. Dummy fuel temperature control means, fuel temperature control means for controlling the temperature of DME fuel in the fuel tank, DME fuel temperature control means for the fuel temperature control means of oil reservoir and the fuel temperature control means A DME fuel supply device for a diesel engine, comprising: control means;
前記ＤＭＥ燃料温度制御手段は、前記油溜室内のＤＭＥ燃料の温度が規定温度Ｔ  The DME fuel temperature control means determines that the temperature of the DME fuel in the oil storage chamber is ＧG となる如く、前記油溜室燃料温度調節手段を制御し、かつ、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記燃料タンク内温度調節手段を制御する、ことを特徴としたディーゼルエンジンのＤＭＥ燃料供給装置。To control the oil reservoir fuel temperature adjusting means so that the temperature of the DME fuel in the fuel tank becomes high with a relatively constant temperature difference from the temperature of the DME fuel in the oil reservoir. As described above, the DME fuel supply device for a diesel engine is characterized in that the temperature control means in the fuel tank is controlled. ディーゼルエンジンの燃料噴射ノズルへＤＭＥ燃料を加圧送出するために燃料タンクからＤＭＥ燃料が供給されて充填される油溜室と、該油溜室に充填されているＤＭＥ燃料の温度を調節する油溜室燃料温度調節手段と、前記燃料タンク内のＤＭＥ燃料の温度を調節する燃料タンク内温度調節手段とを備えたディーゼルエンジンのＤＭＥ燃料供給装置におけるＤＭＥ燃料の温度制御をコンピュータに実行させるためのＤＭＥ燃料の温度制御プログラムであって、An oil reservoir in which DME fuel is supplied from the fuel tank and supplied for pressure delivery of DME fuel to a fuel injection nozzle of a diesel engine, and oil for adjusting the temperature of the DME fuel charged in the oil reservoir. In order to cause a computer to execute temperature control of DME fuel in a DME fuel supply system of a diesel engine provided with reservoir fuel temperature control means and fuel tank temperature control means for adjusting the temperature of DME fuel in the fuel tank Temperature control program for DME fuel,
前記油溜室内のＤＭＥ燃料の温度が規定温度Ｔ  The temperature of the DME fuel in the oil reservoir chamber is a specified temperature T ＧG となる如く、前記油溜室燃料温度調節手段を制御する油溜室燃料温度制御手順と、前記油溜室内のＤＭＥ燃料の温度より前記燃料タンク内のＤＭＥ燃料の温度が相対的に略一定の温度差で高温となる如く、前記燃料タンク内温度調節手段を制御する燃料タンク内温度制御手順とを有している、ことを特徴としたＤＭＥ燃料の温度制御プログラム。The oil reservoir fuel temperature control procedure for controlling the oil reservoir fuel temperature adjusting means and the temperature of the DME fuel in the fuel tank is relatively constant from the temperature of the DME fuel in the oil reservoir so that And D. a temperature control procedure for controlling the temperature in the fuel tank so that the temperature in the fuel tank becomes high due to the temperature difference.
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