JP2020529551A - ポンプ特に高圧燃料ポンプのためのカムシャフト、およびカムシャフトを備えたポンプ - Google Patents
ポンプ特に高圧燃料ポンプのためのカムシャフト、およびカムシャフトを備えたポンプ Download PDFInfo
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- JP2020529551A JP2020529551A JP2020529813A JP2020529813A JP2020529551A JP 2020529551 A JP2020529551 A JP 2020529551A JP 2020529813 A JP2020529813 A JP 2020529813A JP 2020529813 A JP2020529813 A JP 2020529813A JP 2020529551 A JP2020529551 A JP 2020529551A
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- camshaft
- vertical axis
- cam
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Classifications
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- 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
- F04B1/0536—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 with two or more serially arranged radial piston-cylinder units
- F04B1/0538—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 with two or more serially arranged radial piston-cylinder units located side-by-side
-
- 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
- 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
- F04B1/0413—Cams
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/02—Camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/08—Shape of 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/02—Fuel-injection apparatus having means for reducing wear
-
- 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
- F02M2200/03—Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations
-
- 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
- F02M59/04—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 special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
- F02M59/06—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 special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps with cylinders arranged radially to driving shaft, e.g. in V or star arrangement
-
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/18—Camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
- F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
- F16H53/025—Single-track cams for single-revolution cycles; Camshafts with such cams characterised by their construction, e.g. assembling or manufacturing features
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
12 ポンプエレメント
14 ハウジング部分
18 ポンププランジャ
20 ポンプ作業室
22 タペット
24 カムシャフト
25 回転軸線、縦軸線
26,28 カム
30 中間領域
30a 縁部領域
30b 中央の領域
34 ローラ
36 タペット体
38 ローラシュー
40 軸受ピン
42 タペットばね
44 受け部
230 中間領域
232 軸受領域
240 カムシャフト
250 縦軸線
260,280 カム
F 力矢印
h1,h2 半径方向間隔、カム隆起部
r,r1,r2 半径方向間隔
Claims (7)
- 特にポンプのためのカムシャフトであって、前記カムシャフト(24)の縦軸線(25)の方向に並んで配置された少なくとも2つのカム(26,28)を有しており、これらのカム(26,28)のカム隆起部が前記カムシャフト(24)の前記縦軸線(25)を中心にして互いにずらして配置されており、この場合、隣接し合う2つのカム(26,28)の間に中間領域(30)が設けられており、前記カムシャフト(24)の前記縦軸線(25)の方向で前記カム(26,28)の隣に配置された少なくとも1つの軸受領域(32)を有している形式のものにおいて、
前記中間領域(30)が、前記カムシャフト(24)の前記縦軸線(25)を含む軸方向の縦断面内に、前記カムシャフト(24)の前記縦軸線(25)から半径方向間隔(r1,r2)を保って延在しており、前記半径方向間隔(r1,r2)が、それぞれの軸方向の縦断面でより小さいカム隆起部(h1)を有する隣接するカム(26)から出発して、それぞれの軸方向の縦断面でより大きいカム隆起部(h2)を有する隣接するカム(28)に向かって次第に増大していることを特徴とする、カムシャフト。 - 前記中間領域(30)が、前記カムシャフト(24)の前記縦軸線(25)を含む軸方向の縦断面内で、隣接する前記カム(26,28)に面した縁部領域(30a)内に、それぞれ前記カムシャフト(24)の前記縦軸線(25)から半径方向間隔(r1,r2)を保って延在しており、前記半径方向間隔(r1,r2)が、前記カムシャフト(24)の前記縦軸線(25)からの、それぞれ隣接する前記カム(24)のカム隆起部の半径方向間隔(h1,h2)と同じ大きさかまたはこれよりもわずかに小さいことを特徴とする、請求項1記載のカムシャフト。
- 前記中間領域(30)が、それぞれ隣接する前記カム(26,28)間に無段階の延在形状を有していることを特徴とする、請求項1または2記載のカムシャフト。
- 前記中間領域(30)が、該中間領域(30)の、隣接する前記カム(26,28)に面した縁部領域(30a)で、前記カムシャフト(24)の前記縦軸線(25)を含む軸方向の縦断面内に、それぞれ前記カムシャフト(24)の前記縦軸線(25)に対して少なくとも概ね平行に延在していることを特徴とする、請求項1から3までのいずれか1項記載のカムシャフト。
- 前記中間領域(30)が、該中間領域(30)の、隣接する前記カム(26,28)に面した前記縁部領域(30a)の間に位置する中央の領域(30b)で、前記カムシャフト(24)の前記縦軸線(25)を含む軸方向の縦断面内に、湾曲した延在形状を有していることを特徴とする、請求項1から4までのいずれか1項記載のカムシャフト。
- 前記中間領域(30)が、該中間領域の、隣接する前記カム(26,28)に面した前記縁部領域(30a)の間に位置する中央の領域(30b)で、前記カムシャフト(24)の前記縦軸線(25)を含む前記軸方向の縦断面内に、前記カムシャフト(24)の前記縦軸線(25)に関連して傾斜した直線状の延在形状を有していることを特徴とする、請求項1から4までのいずれか1項記載のカムシャフト。
- ポンプ特に高圧燃料ポンプであって、それぞれ1つのポンププランジャ(18)を有する少なくとも2つのポンプエレメント(12)と、1つのカムシャフト(24)とを有しており、前記カムシャフト(24)によって、前記ポンププランジャ(18)が少なくとも間接的にストローク運動で駆動されるようになっている形式のものにおいて、
前記カムシャフト(24)が請求項1から6までのいずれか1項に従って構成されていることを特徴とする、ポンプ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017214728.8A DE102017214728A1 (de) | 2017-08-23 | 2017-08-23 | Nockenwelle für eine Pumpe, insbesondere eine Kraftstoffhochdruckpumpe, und Pumpe mit Nockenwelle |
DE102017214728.8 | 2017-08-23 | ||
PCT/EP2018/070395 WO2019038024A1 (de) | 2017-08-23 | 2018-07-27 | Nockenwelle für eine pumpe, insbesondere eine kraftstoffhochdruckpumpe, und pumpe mit nockenwelle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020529551A true JP2020529551A (ja) | 2020-10-08 |
JP7027544B2 JP7027544B2 (ja) | 2022-03-01 |
Family
ID=63143113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020529813A Active JP7027544B2 (ja) | 2017-08-23 | 2018-07-27 | ポンプ特に高圧燃料ポンプのためのカムシャフト、およびカムシャフトを備えたポンプ |
Country Status (6)
Country | Link |
---|---|
US (1) | US10808665B2 (ja) |
EP (1) | EP3673176B1 (ja) |
JP (1) | JP7027544B2 (ja) |
CN (1) | CN110998090B (ja) |
DE (1) | DE102017214728A1 (ja) |
WO (1) | WO2019038024A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019005036A1 (de) | 2019-07-18 | 2021-01-21 | Neumayer Tekfor Engineering Gmbh | Nocken für eine Nockenwelle |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59179206U (ja) * | 1983-05-17 | 1984-11-30 | 三菱自動車工業株式会社 | カムシヤフト |
JPH02501402A (ja) * | 1987-10-01 | 1990-05-17 | ハステッド,ロイス エッチ | カムシャフトおよびその製造方法 |
JPH03505248A (ja) * | 1989-03-31 | 1991-11-14 | ハステッド,ロイス エッチ. | プラスチック材料でできた複合安定化カムシャフト |
JPH074212A (ja) * | 1994-03-28 | 1995-01-10 | Mitsubishi Motors Corp | カムシャフト |
DE102009002014A1 (de) * | 2009-03-31 | 2010-10-07 | Robert Bosch Gmbh | Pumpe, insbesondere Kraftstoffhochdruckpumpe |
US20110052427A1 (en) * | 2009-09-02 | 2011-03-03 | Cummins Intellectual Properties, Inc. | High pressure two-piece plunger pump assembly |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4848008U (ja) * | 1971-10-09 | 1973-06-23 | ||
DE3913104C1 (ja) * | 1989-04-21 | 1990-06-28 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
US7444989B2 (en) * | 2006-11-27 | 2008-11-04 | Caterpillar Inc. | Opposed pumping load high pressure common rail fuel pump |
KR100992823B1 (ko) * | 2007-12-13 | 2010-11-08 | 기아자동차주식회사 | 연료펌프 세트 |
CN102536561B (zh) * | 2012-02-28 | 2014-05-07 | 绵阳华晨瑞安汽车零部件有限公司 | 用于高压共轨油泵的凸轮轴的制造方法及其过盈装配设备 |
JP6197521B2 (ja) * | 2013-09-18 | 2017-09-20 | マツダ株式会社 | エンジンの動弁装置 |
US9567960B2 (en) * | 2014-03-25 | 2017-02-14 | Cummins Inc. | Fuel pump tappet assembly |
JP6608674B2 (ja) * | 2015-11-02 | 2019-11-20 | 株式会社三共製作所 | ローラギヤカム機構 |
-
2017
- 2017-08-23 DE DE102017214728.8A patent/DE102017214728A1/de active Pending
-
2018
- 2018-07-27 US US16/641,393 patent/US10808665B2/en active Active
- 2018-07-27 EP EP18752106.7A patent/EP3673176B1/de active Active
- 2018-07-27 CN CN201880054473.6A patent/CN110998090B/zh active Active
- 2018-07-27 WO PCT/EP2018/070395 patent/WO2019038024A1/de unknown
- 2018-07-27 JP JP2020529813A patent/JP7027544B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59179206U (ja) * | 1983-05-17 | 1984-11-30 | 三菱自動車工業株式会社 | カムシヤフト |
JPH02501402A (ja) * | 1987-10-01 | 1990-05-17 | ハステッド,ロイス エッチ | カムシャフトおよびその製造方法 |
JPH03505248A (ja) * | 1989-03-31 | 1991-11-14 | ハステッド,ロイス エッチ. | プラスチック材料でできた複合安定化カムシャフト |
JPH074212A (ja) * | 1994-03-28 | 1995-01-10 | Mitsubishi Motors Corp | カムシャフト |
DE102009002014A1 (de) * | 2009-03-31 | 2010-10-07 | Robert Bosch Gmbh | Pumpe, insbesondere Kraftstoffhochdruckpumpe |
US20110052427A1 (en) * | 2009-09-02 | 2011-03-03 | Cummins Intellectual Properties, Inc. | High pressure two-piece plunger pump assembly |
Also Published As
Publication number | Publication date |
---|---|
EP3673176B1 (de) | 2021-04-28 |
DE102017214728A1 (de) | 2019-02-28 |
CN110998090A (zh) | 2020-04-10 |
US10808665B2 (en) | 2020-10-20 |
CN110998090B (zh) | 2023-03-28 |
JP7027544B2 (ja) | 2022-03-01 |
US20200200133A1 (en) | 2020-06-25 |
WO2019038024A1 (de) | 2019-02-28 |
EP3673176A1 (de) | 2020-07-01 |
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