JP6018710B2 - 流体噴射器 - Google Patents
流体噴射器 Download PDFInfo
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- JP6018710B2 JP6018710B2 JP2015533489A JP2015533489A JP6018710B2 JP 6018710 B2 JP6018710 B2 JP 6018710B2 JP 2015533489 A JP2015533489 A JP 2015533489A JP 2015533489 A JP2015533489 A JP 2015533489A JP 6018710 B2 JP6018710 B2 JP 6018710B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0413—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material with reciprocating pumps, e.g. membrane pump, piston pump, bellow pump
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1883—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings by steepening leading and trailing edges of magnetisation pulse, e.g. printer drivers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/001—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements incorporating means for heating or cooling, e.g. the material to be sprayed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
- H01F7/1811—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current demagnetising upon switching off, removing residual magnetism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/11—Adding substances to exhaust gases the substance or part of the dosing system being cooled
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
- F01N2610/146—Control thereof, e.g. control of injectors or injection valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2034—Control of the current gradient
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2041—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit for controlling the current in the free-wheeling phase
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2051—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using voltage control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2086—Output circuits, e.g. for controlling currents in command coils with means for detecting circuit failures
- F02D2041/2089—Output circuits, e.g. for controlling currents in command coils with means for detecting circuit failures detecting open circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/04—Pumps peculiar thereto
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2829—Testing of circuits in sensor or actuator systems
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
- H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
- H03K17/08142—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in field-effect transistor switches
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0822—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in field-effect transistor switches
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/18—Modifications for indicating state of switch
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- 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
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- 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
- Y02T10/40—Engine management systems
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
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- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Description
最も詳しくは、本発明は、選択式触媒還元配量噴射器に関する。本発明は、前記流体噴射器の使用方法および組立方法にも関する。
コイル110は、冷却ジャケット(図示せず)によって囲まれ、電圧抑制器130は、コイル110の冷却ジャケット内に収納され、同じ液冷冷却システム(前にエンジン冷却システム70として図示)を共有する。
たは他の回路への他の修正の必要もなくなる。
[形態1]
選択式触媒還元配量システム用の流体噴射器であって、
流体をポンプで送り込み噴射するように、外部駆動電圧が印加されたときポンプを第1の状態から第2の状態に駆動するように配列されたコイルと、
外部駆動電圧が前記コイルから取り除かれたとき、および前記コイルの両端間の電圧がPN接合の絶縁破壊電圧より上にあるとき、絶縁破壊し、前記コイル中に蓄積されたエネルギーを放出するように前記コイルの両端間に電気的に配列された前記PN接合であって、前記PN接合および前記コイルが、冷却システムを共有する、前記PN接合とを備える、流体噴射器。
[形態2]
形態1に記載の流体噴射器において、前記PN接合が、前記コイルの両端間に電気的に配列されたダイオード内にある、流体噴射器。
[形態3]
形態1または形態2に記載の流体噴射器において、前記PN接合が、前記コイルの両端間に電気的に配列された過渡電圧抑制器内にある、流体噴射器。
[形態4]
形態1から3のいずれかに記載の流体噴射器において、前記PN接合が、直接前記コイルに接続される、流体噴射器。
[形態5]
形態4に記載の流体噴射器において、前記PN接合が、前記コイルの端子にはんだ付けされる、流体噴射器。
[形態6]
形態1に記載の流体噴射器において、前記PN接合および前記コイルが、共通の冷却ジャケット内にある、流体噴射器。
[形態7]
形態1から6のいずれかに記載の流体噴射器において、前記PN接合の前記絶縁破壊電圧が、前記駆動回路における別の関連するPN接合の絶縁破壊電圧より低い、流体噴射器。
[形態8]
形態1から7のいずれかに記載の流体噴射器において、車両噴射システムの一部であるように構成される流体噴射器であって、前記コイルの前記外部駆動電圧の印加が、エンジン制御ユニットを介して制御される、流体噴射器。
[形態9]
形態1から8のいずれかに記載の流体噴射器において、前記システムが、前記PN接合の満足のいく動作を診断するように構成された診断回路を備える、流体噴射器。
[形態10]
形態9に記載の流体噴射器において、前記診断回路が、前記コイルの放電の間電流減衰を測定するように配列される、流体噴射器。
[形態11]
形態9に記載の流体噴射器において、前記診断回路が、前記コイルの放電の間電圧減衰を測定するように配列される、流体噴射器。
[形態12]
形態1から11のいずれかに記載の流体噴射器において、前記流体噴射器が、車両上に使用されるように構成される流体噴射器。
[形態13]
形態1から12のいずれかに記載の流体噴射器において、前記流体噴射器が、選択式触媒還元配量噴射器、燃料噴射器および水噴射器のうちの1つである流体噴射器。
[形態14]
流体噴射器のコイルを放電する方法であって、
流体をポンプで送り込み噴射するようにポンプを第1の状態から第2の状態に駆動するために電気的エネルギーを前記流体噴射器のコイルに供給するステップと、
前記コイルへの電気的エネルギーの前記供給を停止するステップと、
前記コイル中に蓄積された前記電気的エネルギーが前記コイルの両端間に電気的に配列されたPN接合を通して消散することを可能にするステップであって、前記PN接合および前記コイルが、冷却システムを共有する、ステップとを含む、方法。
[形態15]
流体噴射器を組み立てる方法であって、
コイルの端子の両端間にPN接合を取り付けるステップであって、前記コイルが、流体を駆動するようにポンプを第1の状態から第2の状態に駆動するように配列され、前記PN接合および前記コイルが、冷却システムを共有する、ステップを含む、方法。
Claims (10)
- 選択式触媒還元配量システム用の流体噴射器であって、
流体をポンプで送り込み噴射するように、外部駆動電圧が印加されたときポンプを第1の状態から第2の状態に駆動するように配列されたコイルと、
前記外部駆動電圧が前記コイルから取り除かれたとき、および前記コイルの両端間の電圧がPN接合の絶縁破壊電圧より上にあるとき、絶縁破壊し、前記コイル中に蓄積されたエネルギーを放出するように前記コイルの両端間に電気的に配列された前記PN接合であって、前記PN接合および前記コイルが、冷却システムを共有する、前記PN接合とを備える、流体噴射器。 - 請求項1に記載の流体噴射器において、前記PN接合が、前記コイルの両端間に電気的に配列されたダイオード内にある、流体噴射器。
- 請求項1または請求項2に記載の流体噴射器において、前記PN接合が、前記コイルの両端間に電気的に配列された過渡電圧抑制器内にある、流体噴射器。
- 請求項1から3のいずれかに記載の流体噴射器において、前記PN接合が、直接前記コイルに接続される、流体噴射器。
- 請求項4に記載の流体噴射器において、前記PN接合が、前記コイルの端子にはんだ付けされる、流体噴射器。
- 請求項1に記載の流体噴射器において、前記PN接合および前記コイルが、共通の冷却ジャケット内にある、流体噴射器。
- 請求項1から6のいずれかに記載の流体噴射器において、前記システムが、前記コイルの放電の間電流または電圧減衰を測定するように配列された、前記PN接合の満足のいく動作を診断するように構成された診断回路を備える、流体噴射器。
- 請求項1から7のいずれかに記載の流体噴射器において、前記流体噴射器が、選択式触媒還元配量噴射器、燃料噴射器および水噴射器のうちの1つである流体噴射器。
- 流体噴射器のコイルを放電する方法であって、
流体をポンプで送り込み噴射するようにポンプを第1の状態から第2の状態に駆動するために電気的エネルギーを前記流体噴射器のコイルに供給するステップと、
前記コイルへの電気的エネルギーの前記供給を停止するステップと、
前記コイル中に蓄積された前記電気的エネルギーが前記コイルの両端間に電気的に配列されたPN接合を通して消散することを可能にするステップであって、前記PN接合および前記コイルが、冷却システムを共有する、ステップとを含む、方法。 - 流体噴射器を組み立てる方法であって、
コイルの端子の両端間にPN接合を電気的に取り付けるステップであって、前記コイルが、流体を駆動するようにポンプを第1の状態から第2の状態に駆動するように配列され、前記PN接合および前記コイルが、冷却システムを共有する、ステップを含む、方法。
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GBGB1217144.3A GB201217144D0 (en) | 2012-09-26 | 2012-09-26 | A fluid injector |
GB1217144.3 | 2012-09-26 | ||
PCT/EP2013/066008 WO2014048615A1 (en) | 2012-09-26 | 2013-07-30 | A fluid injector |
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JP2015533198A JP2015533198A (ja) | 2015-11-19 |
JP6018710B2 true JP6018710B2 (ja) | 2016-11-02 |
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EP (1) | EP2901461B1 (ja) |
JP (1) | JP6018710B2 (ja) |
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DK3615777T3 (da) * | 2017-05-29 | 2022-10-31 | Liebherr Components Colmar Sas | Injektionssystem til reduktionsmiddel |
EP3661654B1 (en) | 2017-08-03 | 2022-10-05 | Capstan AG Systems, Inc. | System and methods for operating a solenoid valve |
US10953423B2 (en) | 2018-04-23 | 2021-03-23 | Capstan Ag Systems, Inc. | Fluid dispensing apparatus including phased valves and methods of dispensing fluid using same |
GB201915858D0 (en) * | 2019-10-31 | 2019-12-18 | Agco Int Gmbh | Exhaust after treatment cooling system |
WO2021247867A1 (en) * | 2020-06-03 | 2021-12-09 | Capstan Ag Systems, Inc. | System and methods for operating a solenoid valve |
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JP2761405B2 (ja) | 1989-06-27 | 1998-06-04 | 三信工業株式会社 | 内燃機関の燃料噴射装置 |
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2012
- 2012-09-26 GB GBGB1217144.3A patent/GB201217144D0/en not_active Ceased
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- 2013-07-30 EP EP13744515.1A patent/EP2901461B1/en active Active
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CN110954796A (zh) * | 2019-12-19 | 2020-04-03 | 天台婉枫电子有限公司 | 一种电缆绝缘体老化检测装置 |
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EP2901461B1 (en) | 2018-07-11 |
CN104662622B (zh) | 2017-06-23 |
US9757748B2 (en) | 2017-09-12 |
US20150246369A1 (en) | 2015-09-03 |
WO2014048615A1 (en) | 2014-04-03 |
EP2901461A1 (en) | 2015-08-05 |
JP2015533198A (ja) | 2015-11-19 |
CN104662622A (zh) | 2015-05-27 |
GB201217144D0 (en) | 2012-11-07 |
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