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Publication number
JP2011226485A5
JP2011226485A5 JP2011092149A JP2011092149A JP2011226485A5 JP 2011226485 A5 JP2011226485 A5 JP 2011226485A5 JP 2011092149 A JP2011092149 A JP 2011092149A JP 2011092149 A JP2011092149 A JP 2011092149A JP 2011226485 A5 JP2011226485 A5 JP 2011226485A5
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JP
Japan
Prior art keywords
pressure
fuel
pump
switching valve
valve
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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
JP2011092149A
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Japanese (ja)
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JP2011226485A (en
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Publication date
Priority claimed from DE201010027858 external-priority patent/DE102010027858A1/en
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Publication of JP2011226485A publication Critical patent/JP2011226485A/en
Publication of JP2011226485A5 publication Critical patent/JP2011226485A5/ja
Pending legal-status Critical Current

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Claims (12)

直接噴射式の内燃機関（９）のための燃料高圧ポンプ（１０）であって、低圧領域（１２）と流量制御装置とを有しており、該流量制御装置が切換弁（２８）を有していて、該切換弁（２８）が燃料高圧ポンプ（１０）の圧送室（３２）の上流側に配置されていて、少なくとも１つの開放した第１の切換位置（８４）と閉じた第２の切換位置（８２）とを有している形式のものにおいて、
前記切換弁（２８）に対して流体的に並列に配置された流体絞り（２９）が設けられていることを特徴とする、燃料高圧ポンプ（１０）。 A high-pressure fuel pump (10) for a direct injection internal combustion engine (9), comprising a low-pressure region (12) and a flow rate control device, and the flow rate control device having a switching valve (28). The switching valve (28) is disposed upstream of the pumping chamber (32) of the fuel high-pressure pump (10), and has at least one open first switching position (84) and a second closed position. Having a switching position (82) of
A high-pressure fuel pump (10), characterized in that a fluid throttle (29) is provided which is arranged in fluid parallel to the switching valve (28). 前記流体絞り（２９）の絞り作用は、最大容積流の約１０〜２０％の容積流が可能であるように、設計されている、請求項１記載の燃料高圧ポンプ（１０）。   The high-pressure fuel pump (10) of claim 1, wherein the throttle action of the fluid throttle (29) is designed to allow a volumetric flow of about 10-20% of the maximum volumetric flow. 前記流体絞り（２９）が切換弁（２８）の外に配置されている、請求項１又は２記載の燃料高圧ポンプ（１０）。   The fuel high-pressure pump (10) according to claim 1 or 2, wherein the fluid throttle (29) is arranged outside the switching valve (28). 前記切換弁（２８）が、非操作状態で開放している、請求項１から３までのいずれか１項記載の燃料高圧ポンプ（１０）。   The fuel high-pressure pump (10) according to any one of claims 1 to 3, wherein the switching valve (28) is opened in a non-operating state. 前記切換弁が、非操作状態で閉じている、請求項１から４までのいずれか１項記載の燃料高圧ポンプ（１０）。   The fuel high-pressure pump (10) according to any one of claims 1 to 4, wherein the switching valve is closed in a non-operating state. 圧力調整弁（５０）が設けられており、該圧力調整弁（５０）が、燃料高圧ポンプ（１０）の高圧領域（１４）を燃料高圧ポンプ（１０）の低圧領域（１２）に接続し、それによって高圧領域（１４）内の圧力を少なくともほぼ一定に維持するようになっている、請求項１から５までのいずれか１項記載の燃料高圧ポンプ（１０）。   A pressure regulating valve (50) is provided, which connects the high pressure region (14) of the fuel high pressure pump (10) to the low pressure region (12) of the fuel high pressure pump (10); 6. The high-pressure fuel pump (10) according to any one of claims 1 to 5, whereby the pressure in the high-pressure zone (14) is maintained at least substantially constant. 前記圧力調整弁（５０）が、機械式及び液圧式に作業する弁である、請求項６記載の燃料高圧ポンプ（１０）。   The fuel high-pressure pump (10) according to claim 6, wherein the pressure regulating valve (50) is a valve that operates mechanically and hydraulically. 請求項１から７までのいずれか１項記載の燃料高圧ポンプ（１０）を駆動するための方法において、
切換弁（２８）の制御を、高圧領域内の圧力を検出する圧力センサの信号、少なくとも１つの噴射弁（４６）の制御時間、内燃機関（９）の回転数、及び内燃機関の温度の少なくともいずれかを含む、燃料高圧ポンプ（１０）のストローク毎の所望の圧送量を示す値に基づいて行うことを特徴とする、燃料高圧ポンプ（１０）を駆動するための方法。 A method for driving a high-pressure fuel pump (10) according to any one of the preceding claims,
The control of the switching valve (28), the signal of the pressure sensor for detecting the pressure in the high pressure region, between the time of control of at least one injection valve (46), the rotational speed of the internal combustion engine (9), and temperature of the internal combustion engine A method for driving the fuel high-pressure pump (10), characterized in that the method is performed based on a value indicating a desired pumping amount for each stroke of the fuel high-pressure pump (10). 燃料高圧ポンプ（１０）のストローク毎の所望の圧送量を示す値が限界値を越えると、切換弁（２８）を、閉じた切換位置（８２）から開放した切換位置（８４）に切換える、請求項８記載の方法。   The switching valve (28) is switched from the closed switching position (82) to the opened switching position (84) when the value indicating the desired pumping amount per stroke of the fuel high-pressure pump (10) exceeds a limit value. Item 9. The method according to Item 8. 切換弁（２８）の制御を、ポンプ回転数、フィード圧力及び燃料温度の少なくともいずれかに応じて行う、請求項８又は９記載の方法。   The method according to claim 8 or 9, wherein the switching valve (28) is controlled according to at least one of a pump speed, a feed pressure and a fuel temperature. 燃料高圧ポンプ（１０）のための制御ないし調整装置（６４）において、該制御ないし調整装置（６４）が、請求項８から１０までのいずれか１項記載の方法に使用するためにプログラミングされていることを特徴とする、制御ないし調整装置（６４）。   11. A control or adjustment device (64) for a high-pressure fuel pump (10), the control or adjustment device (64) being programmed for use in a method according to any one of claims 8 to 10. Control or adjustment device (64), characterized in that コンピュータプログラムにおいて、請求項８から１０までのいずれか１項記載の方法に使用するためにプログラミングされていることを特徴とする、コンピュータプログラム。   Computer program, programmed for use in the method according to any one of claims 8 to 10.
JP2011092149A 2010-04-16 2011-04-18 High pressure fuel pump for internal combustion engine Pending JP2011226485A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010027858 DE102010027858A1 (en) 2010-04-16 2010-04-16 High-pressure fuel pump for an internal combustion engine
DE102010027858.0 2010-04-16

Publications (2)

Publication Number Publication Date
JP2011226485A JP2011226485A (en) 2011-11-10
JP2011226485A5 true JP2011226485A5 (en) 2014-05-29

Family

ID=44777587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011092149A Pending JP2011226485A (en) 2010-04-16 2011-04-18 High pressure fuel pump for internal combustion engine

Country Status (5)

Country Link
JP (1) JP2011226485A (en)
KR (1) KR20110115976A (en)
CN (1) CN102220925A (en)
DE (1) DE102010027858A1 (en)
IT (1) ITMI20110619A1 (en)

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US9759174B2 (en) 2013-07-10 2017-09-12 Stanadyne Llc Constant pressure self-regulating common rail single piston pump
DE102013216817A1 (en) * 2013-08-23 2015-02-26 Continental Automotive Gmbh Pump arrangement and system for a motor vehicle
DE102014225982A1 (en) * 2014-12-16 2016-06-16 Robert Bosch Gmbh Pump, in particular high-pressure fuel pump
JP6781635B2 (en) * 2017-01-11 2020-11-04 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ Fuel supply mechanism and high pressure pump
DE102017005537A1 (en) * 2017-06-10 2018-12-13 Mtu Friedrichshafen Gmbh Fuel injection system and method of execution therewith

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DE19618932C2 (en) 1996-05-10 2001-02-01 Siemens Ag Device and method for regulating the fuel pressure in a high pressure accumulator
DE19714489C1 (en) 1997-04-08 1998-10-01 Siemens Ag Injection system, pressure valve and volume flow control valve and method for regulating a fuel pressure
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DE10318941A1 (en) * 2003-04-26 2004-11-11 Robert Bosch Gmbh Fuel system for internal combustion engine has choke device whose choke effect can be varied arranged between first fuel pump with variable delivery rate and second fuel pump feeding storage device
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