JP2017180449A - 燃料噴射ポンプのオイルタンクピストン - Google Patents
燃料噴射ポンプのオイルタンクピストン Download PDFInfo
- Publication number
- JP2017180449A JP2017180449A JP2017004743A JP2017004743A JP2017180449A JP 2017180449 A JP2017180449 A JP 2017180449A JP 2017004743 A JP2017004743 A JP 2017004743A JP 2017004743 A JP2017004743 A JP 2017004743A JP 2017180449 A JP2017180449 A JP 2017180449A
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- JP
- Japan
- Prior art keywords
- piston
- fuel injection
- injection pump
- oil tank
- cylinder
- 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.)
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Classifications
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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
-
- 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
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
- F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
- F02M45/06—Pumps peculiar thereto
- F02M45/066—Having specially arranged spill port and spill contour on the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- 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
- F02M59/025—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 a single piston
-
- 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
-
- 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
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- 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
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/24—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke
- F02M59/26—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders
-
- 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
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/24—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke
- F02M59/26—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders
- F02M59/265—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders characterised by the arrangement or form of spill port of spill contour on the piston
-
- 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
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0408—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/005—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
- F04B11/0075—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons connected in series
- F04B11/0083—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons connected in series the pistons having different cross-sections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/0091—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using a special shape of fluid pass, e.g. throttles, ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/04—Fuel-injection apparatus having means for avoiding effect of cavitation, e.g. erosion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
【解決手段】 本発明に係る燃料噴射ポンプのオイルタンクピストンは、シリンダー内に設けられて上下往復運動しながら燃料を圧縮する燃料噴射ポンプのピストンにおいて、ピストンの上段に形成され、燃料の噴射量が調節可能なコントロールエッジと、コントロールエッジの下部に配設され、シリンダーと接触しながら上下往復運動するピストンボディと、ピストンボディの中間に配設され、直径が緩やかに小さくなるネック部及びネック部に形成され、ピストンを軸と直交する方向に貫通し、複数が軸方向に沿って平行に形成される貫通孔を備えることを特徴とする。
【選択図】 図2
Description
Claims (3)
- シリンダー内に設けられて上下往復運動しながら燃料を圧縮する燃料噴射ポンプのピストンにおいて、
ピストンの上段に形成され、燃料の噴射量が調節可能なコントロールエッジと、
コントロールエッジの下部に配設され、シリンダーと接触しながら上下往復運動するピストンボディと、
ピストンボディの両側から中央に進むにつれて直径が緩やかに小さくなるネック部と、
ネック部に形成され、ピストンを軸と直交する方向に貫通し、複数が軸方向に沿って平行に形成される貫通孔と、
を備える燃料噴射ポンプのオイルタンクピストン。 - 貫通孔は、一方の側の直径は大きく、他方の側に進むにつれて直径が次第に小さくなるテーパー孔であることを特徴とする請求項1に記載の燃料噴射ポンプのオイルタンクピストン。
- 貫通孔は、テーパー孔の直径がさらに大きい側とテーパー孔の直径がさらに小さい側の方向が交互に形成されることを特徴とする請求項2に記載の燃料噴射ポンプのオイルタンクピストン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160037697A KR101682055B1 (ko) | 2016-03-29 | 2016-03-29 | 연료분사펌프의 오일 탱크 피스톤 |
KR10-2016-0037697 | 2016-03-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2017180449A true JP2017180449A (ja) | 2017-10-05 |
JP2017180449A5 JP2017180449A5 (ja) | 2018-06-07 |
JP6497594B2 JP6497594B2 (ja) | 2019-04-10 |
Family
ID=57576036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017004743A Expired - Fee Related JP6497594B2 (ja) | 2016-03-29 | 2017-01-14 | 燃料噴射ポンプのオイルタンクピストン |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6497594B2 (ja) |
KR (1) | KR101682055B1 (ja) |
CN (1) | CN106762604B (ja) |
DE (1) | DE102017202229A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112523909A (zh) * | 2020-11-30 | 2021-03-19 | 重庆红江机械有限责任公司 | 一种高速机等压喷油泵 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51157723U (ja) * | 1975-06-10 | 1976-12-15 | ||
JPS5722675U (ja) * | 1980-07-16 | 1982-02-05 | ||
JPH102265A (ja) * | 1996-06-17 | 1998-01-06 | Niigata Eng Co Ltd | 燃料噴射ポンプ |
KR20110081466A (ko) * | 2010-01-08 | 2011-07-14 | 현대중공업 주식회사 | 연료분사펌프의 분사장치 |
KR20150010877A (ko) * | 2013-07-19 | 2015-01-29 | 현대중공업 주식회사 | 연료분사펌프의 분사장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07269442A (ja) * | 1994-03-29 | 1995-10-17 | Daiwa Diesel Seiki Kk | ヂーゼル機関の燃料噴射ポンプにおける空洞化現象防止機構とプランジャーの侵食防止方法 |
JP2009030553A (ja) * | 2007-07-27 | 2009-02-12 | Bosch Corp | 燃料噴射ポンプ |
CN201412249Y (zh) * | 2009-05-04 | 2010-02-24 | 洪选民 | 一种柴油机用直列式燃油泵柱塞 |
CN101694192B (zh) * | 2009-08-20 | 2011-08-10 | 余姚市舒春机械有限公司 | 船用柴油机喷油泵柱塞偶件 |
CN201679601U (zh) * | 2010-03-17 | 2010-12-22 | 山东鑫亚工业股份有限公司 | 防内漏分体式柱塞偶件 |
US9161167B2 (en) | 2013-01-23 | 2015-10-13 | Qualcomm Incorporated | Visual identifier of third party location |
-
2016
- 2016-03-29 KR KR1020160037697A patent/KR101682055B1/ko active IP Right Grant
-
2017
- 2017-01-04 CN CN201710003545.1A patent/CN106762604B/zh not_active Expired - Fee Related
- 2017-01-14 JP JP2017004743A patent/JP6497594B2/ja not_active Expired - Fee Related
- 2017-02-13 DE DE102017202229.9A patent/DE102017202229A1/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51157723U (ja) * | 1975-06-10 | 1976-12-15 | ||
JPS5722675U (ja) * | 1980-07-16 | 1982-02-05 | ||
JPH102265A (ja) * | 1996-06-17 | 1998-01-06 | Niigata Eng Co Ltd | 燃料噴射ポンプ |
KR20110081466A (ko) * | 2010-01-08 | 2011-07-14 | 현대중공업 주식회사 | 연료분사펌프의 분사장치 |
KR20150010877A (ko) * | 2013-07-19 | 2015-01-29 | 현대중공업 주식회사 | 연료분사펌프의 분사장치 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112523909A (zh) * | 2020-11-30 | 2021-03-19 | 重庆红江机械有限责任公司 | 一种高速机等压喷油泵 |
Also Published As
Publication number | Publication date |
---|---|
CN106762604A (zh) | 2017-05-31 |
KR101682055B1 (ko) | 2016-12-05 |
CN106762604B (zh) | 2018-08-07 |
DE102017202229A1 (de) | 2017-11-16 |
JP6497594B2 (ja) | 2019-04-10 |
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