WO2008090761A1 - 油圧駆動装置 - Google Patents
油圧駆動装置 Download PDFInfo
- Publication number
- WO2008090761A1 WO2008090761A1 PCT/JP2008/050132 JP2008050132W WO2008090761A1 WO 2008090761 A1 WO2008090761 A1 WO 2008090761A1 JP 2008050132 W JP2008050132 W JP 2008050132W WO 2008090761 A1 WO2008090761 A1 WO 2008090761A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- upper limit
- limit value
- drive device
- hydraulic
- output torque
- 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.)
- Ceased
Links
Classifications
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/46—Automatic regulation in accordance with output requirements
- F16H61/47—Automatic regulation in accordance with output requirements for achieving a target output speed
-
- 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
- F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18172—Preventing, or responsive to skidding of wheels
-
- 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
- F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H59/38—Inputs being a function of speed of gearing elements
- F16H59/40—Output shaft speed
-
- 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
- F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/421—Motor capacity control by electro-hydraulic control means, e.g. using solenoid valves
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/431—Pump capacity control by electro-hydraulic control means, e.g. using solenoid valves
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/46—Automatic regulation in accordance with output requirements
- F16H61/472—Automatic regulation in accordance with output requirements for achieving a target output torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/1038—Output speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/105—Output torque
-
- 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
- F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
- F16H2059/6838—Sensing gearing status of hydrostatic transmissions
- F16H2059/6861—Sensing gearing status of hydrostatic transmissions the pressures, e.g. high, low or differential pressures
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Control Of Fluid Gearings (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200880002800XA CN101589252B (zh) | 2007-01-24 | 2008-01-09 | 液压驱动装置 |
| AT08703003T ATE549551T1 (de) | 2007-01-24 | 2008-01-09 | Hydraulische antriebsvorrichtung |
| EP08703003A EP2123948B1 (en) | 2007-01-24 | 2008-01-09 | Hydraulic drive device |
| US12/449,114 US8438846B2 (en) | 2007-01-24 | 2008-01-09 | Hydraulic drive apparatus |
| KR1020097015393A KR101157443B1 (ko) | 2007-01-24 | 2008-01-09 | 유압 구동 장치 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007013874A JP5362958B2 (ja) | 2007-01-24 | 2007-01-24 | 油圧駆動装置 |
| JP2007-013874 | 2007-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008090761A1 true WO2008090761A1 (ja) | 2008-07-31 |
Family
ID=39644336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2008/050132 Ceased WO2008090761A1 (ja) | 2007-01-24 | 2008-01-09 | 油圧駆動装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8438846B2 (ja) |
| EP (1) | EP2123948B1 (ja) |
| JP (1) | JP5362958B2 (ja) |
| KR (1) | KR101157443B1 (ja) |
| CN (1) | CN101589252B (ja) |
| AT (1) | ATE549551T1 (ja) |
| WO (1) | WO2008090761A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5092061B1 (ja) * | 2012-03-30 | 2012-12-05 | 株式会社小松製作所 | 作業車両及び作業車両の制御方法 |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009002849A1 (de) * | 2008-07-11 | 2010-01-14 | Deere & Company, Moline | Antriebssystem für einen Einzugsförderer einer Erntemaschine |
| WO2010070962A1 (ja) * | 2008-12-17 | 2010-06-24 | 株式会社小松製作所 | 静油圧式変速車両の制御装置 |
| JP4978688B2 (ja) * | 2009-12-22 | 2012-07-18 | コベルコクレーン株式会社 | 走行速度制御システム |
| JP5222895B2 (ja) * | 2010-05-07 | 2013-06-26 | 株式会社小松製作所 | 作業車両及び作業車両の制御方法 |
| US8165765B2 (en) * | 2010-05-28 | 2012-04-24 | Caterpillar Inc. | Variator pressure-set torque control |
| US8515637B2 (en) | 2010-12-23 | 2013-08-20 | Caterpillar Inc. | Machine control system and method |
| JP5585487B2 (ja) * | 2011-02-17 | 2014-09-10 | コベルコ建機株式会社 | ハイブリッド建設機械の動力源装置 |
| US9102372B2 (en) * | 2012-07-24 | 2015-08-11 | Caterpillar Inc. | Track drive system and method |
| US9002595B2 (en) * | 2012-11-01 | 2015-04-07 | Caterpillar Inc. | Torque and speed control in a machine with continuously variable transmission |
| US9470298B2 (en) * | 2012-12-21 | 2016-10-18 | Cnh Industrial America Llc | Straight tracking control system for a machine with a dual path electronically controlled hydrostatic transmission |
| EP2767739B1 (de) * | 2013-02-19 | 2018-10-24 | Dana Rexroth Transmission Systems S.r.l. | Leistungsverzweigtes Getriebe für einen Fahrantrieb, Verfahren zur Steuerung des Getriebes |
| CN103277506A (zh) * | 2013-06-13 | 2013-09-04 | 江苏柳工机械有限公司 | 双速闭式液压行走系统及其控制方法 |
| CN105339710B (zh) * | 2013-12-27 | 2017-04-05 | 株式会社小松制作所 | 叉车以及叉车的控制方法 |
| CN105020091A (zh) * | 2015-07-30 | 2015-11-04 | 江苏柳工机械有限公司 | 滑移装载机的变量马达排量缓冲调节系统 |
| DE102016205891A1 (de) * | 2016-04-08 | 2017-10-12 | Robert Bosch Gmbh | Hydrostatischer Fahrantrieb und Fahrzeug mit einem solchen hydrostatischen Fahrantrieb |
| DE102019205505A1 (de) * | 2019-04-16 | 2020-10-22 | Robert Bosch Gmbh | Axialkolbenpumpe für einen hydrostatischen Fahrantrieb, hydrostatischer Fahrantrieb mit der Axialkolbenpumpe, sowie Verfahren zur Steuerung |
| EP4031718B1 (en) | 2019-09-19 | 2025-11-05 | Doosan Bobcat North America, Inc. | Drive motor displacement control |
| IT202100003239A1 (it) * | 2021-02-12 | 2022-08-12 | Cnh Ind Italia Spa | Metodo di controllo di una trasmissione idraulica di un veicolo agricolo o una macchina movimento terra e veicolo agricolo o macchina movimento terra implementante il metodo |
| IT202100003677A1 (it) * | 2021-02-17 | 2022-08-17 | Cnh Ind Italia Spa | Metodo di controllo di una trasmissione idraulica di un veicolo agricolo o una macchina movimento terra e veicolo agricolo o macchina movimento terra implementante il metodo |
| CN114411865A (zh) * | 2022-01-05 | 2022-04-29 | 中联重科土方机械有限公司 | 用于滑移装载机的控制方法、控制器和控制装置 |
| IT202300022032A1 (it) * | 2023-10-20 | 2025-04-20 | Cnh Ind Italia Spa | Metodo e sistema di controllo di un sistema di propulsione di una macchina da lavoro o agricola |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6213543B2 (ja) * | 1982-02-15 | 1987-03-27 | Ishikawajima Harima Heavy Ind | |
| JPS62274103A (ja) * | 1986-05-22 | 1987-11-28 | Hitachi Constr Mach Co Ltd | 油圧駆動走行装置 |
| JPH03292465A (ja) * | 1990-04-10 | 1991-12-24 | Yutani Heavy Ind Ltd | 作業車両の走行油圧回路 |
| JPH10252703A (ja) * | 1997-03-12 | 1998-09-22 | Komatsu Ltd | 建設機械の走行制御装置 |
| JPH10306874A (ja) * | 1997-05-06 | 1998-11-17 | Mitsubishi Heavy Ind Ltd | 油圧式車両 |
| JP2004144254A (ja) | 2002-10-28 | 2004-05-20 | Komatsu Ltd | 油圧駆動車両 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6213543A (ja) | 1985-07-11 | 1987-01-22 | Sumitomo Metal Mining Co Ltd | 自溶炉の操業方法 |
| JP2764259B2 (ja) * | 1986-04-07 | 1998-06-11 | 株式会社小松製作所 | 建設機械の走行駆動制御装置 |
| JP2854426B2 (ja) * | 1991-02-08 | 1999-02-03 | 日立建機株式会社 | 油圧走行作業車両の油圧駆動装置 |
| JP3292465B2 (ja) | 1991-03-27 | 2002-06-17 | セイレイ工業株式会社 | コンバイン |
| JP2850744B2 (ja) * | 1994-01-31 | 1999-01-27 | 株式会社島津製作所 | 流体式変速機搭載車両の発進制御装置 |
| US5582007A (en) * | 1995-05-11 | 1996-12-10 | Caterpillar Inc. | Method for smooth hydrostatic pump/motor transitions |
| US5775453A (en) * | 1995-09-20 | 1998-07-07 | Sauer Inc. | Traction control system and method for hydraulically propelled vehicles |
| JPH10151965A (ja) * | 1996-11-21 | 1998-06-09 | Shimadzu Corp | 最高車速制限装置 |
| JP4224189B2 (ja) * | 2000-05-18 | 2009-02-12 | 株式会社Ihiシバウラ | 変速装置 |
| KR100527824B1 (ko) * | 2000-09-08 | 2005-11-09 | 히다치 겡키 가부시키 가이샤 | 휠식 유압 주행 차량의 속도 제어 장치 |
| US7121374B1 (en) * | 2005-04-30 | 2006-10-17 | Cnh America Llc | Four-wheel drive combine with slip control |
| JP5156237B2 (ja) * | 2007-01-24 | 2013-03-06 | 株式会社小松製作所 | 油圧駆動装置及び油圧駆動車両 |
-
2007
- 2007-01-24 JP JP2007013874A patent/JP5362958B2/ja not_active Expired - Fee Related
-
2008
- 2008-01-09 US US12/449,114 patent/US8438846B2/en not_active Expired - Fee Related
- 2008-01-09 KR KR1020097015393A patent/KR101157443B1/ko not_active Expired - Fee Related
- 2008-01-09 WO PCT/JP2008/050132 patent/WO2008090761A1/ja not_active Ceased
- 2008-01-09 CN CN200880002800XA patent/CN101589252B/zh not_active Expired - Fee Related
- 2008-01-09 AT AT08703003T patent/ATE549551T1/de active
- 2008-01-09 EP EP08703003A patent/EP2123948B1/en not_active Not-in-force
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6213543B2 (ja) * | 1982-02-15 | 1987-03-27 | Ishikawajima Harima Heavy Ind | |
| JPS62274103A (ja) * | 1986-05-22 | 1987-11-28 | Hitachi Constr Mach Co Ltd | 油圧駆動走行装置 |
| JPH03292465A (ja) * | 1990-04-10 | 1991-12-24 | Yutani Heavy Ind Ltd | 作業車両の走行油圧回路 |
| JPH10252703A (ja) * | 1997-03-12 | 1998-09-22 | Komatsu Ltd | 建設機械の走行制御装置 |
| JPH10306874A (ja) * | 1997-05-06 | 1998-11-17 | Mitsubishi Heavy Ind Ltd | 油圧式車両 |
| JP2004144254A (ja) | 2002-10-28 | 2004-05-20 | Komatsu Ltd | 油圧駆動車両 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5092061B1 (ja) * | 2012-03-30 | 2012-12-05 | 株式会社小松製作所 | 作業車両及び作業車両の制御方法 |
| WO2013145338A1 (ja) * | 2012-03-30 | 2013-10-03 | 株式会社小松製作所 | 作業車両及び作業車両の制御方法 |
| US8607919B2 (en) | 2012-03-30 | 2013-12-17 | Komatsu Ltd. | Working vehicle and method for controlling a working vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090092845A (ko) | 2009-09-01 |
| US20100089051A1 (en) | 2010-04-15 |
| KR101157443B1 (ko) | 2012-06-25 |
| EP2123948A1 (en) | 2009-11-25 |
| CN101589252B (zh) | 2012-11-21 |
| CN101589252A (zh) | 2009-11-25 |
| JP5362958B2 (ja) | 2013-12-11 |
| EP2123948A4 (en) | 2011-06-08 |
| JP2008180275A (ja) | 2008-08-07 |
| US8438846B2 (en) | 2013-05-14 |
| EP2123948B1 (en) | 2012-03-14 |
| ATE549551T1 (de) | 2012-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2008090761A1 (ja) | 油圧駆動装置 | |
| WO2011078578A3 (ko) | 건설기계의 동력제어장치 및 동력제어방법 | |
| WO2011147996A3 (en) | Method and apparatus for extracting energy from a fluctuating energy flow from a renewable energy source | |
| WO2009038017A1 (ja) | エンジンの制御装置 | |
| WO2009038016A1 (ja) | エンジンの制御装置 | |
| WO2011147997A3 (en) | Method and apparatus for extracting energy from a fluctuating energy flow from a renewable energy source | |
| WO2011073774A3 (en) | Piecewise hydraulic power transmission system | |
| WO2008120545A1 (ja) | 作業車両の走行制御装置 | |
| WO2010083991A3 (de) | Verfahren zum betreiben eines verbrauchers | |
| WO2008096859A1 (ja) | 油圧駆動車両のクラッチ制御装置 | |
| CN102011767B (zh) | 液压系统 | |
| EP2644470A3 (en) | Control device and control method for continuously variable transmission | |
| ATE472040T1 (de) | Hydraulisches frakturierungsverfahren und frakturierungspumpenvorrichtung | |
| WO2011148652A3 (en) | Power generating apparatus of renewable energy type and method of operating the same | |
| MXPA04003557A (es) | Equipo hidraulico. | |
| WO2013025416A3 (en) | Method and apparatus for recovering inertial energy | |
| WO2008136195A1 (ja) | 油圧ユニット及びそれを備えた建設機械 | |
| WO2008149502A1 (ja) | 旋回体の駆動装置 | |
| JP2012082643A5 (ja) | ||
| CN101818506B (zh) | 采用电控发动机的静压驱动推土机极限负荷调节方法 | |
| GB201020264D0 (en) | Energy extraction device and operating method | |
| EP1975415A3 (en) | Rotary compressor unit and method of controlling operation thereof | |
| EP2918735A3 (en) | Hydraulic driving apparatus for working machine | |
| SE0801028L (sv) | Motorbelastningsstyranordning för arbetsfordon | |
| DE502005003675D1 (de) | Hydraulisches getriebe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 200880002800.X Country of ref document: CN |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 08703003 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2008703003 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1020097015393 Country of ref document: KR |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 12449114 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |