WO1998000306A1 - Dispositif d'entrainement pour appareils auxiliaires - Google Patents

Dispositif d'entrainement pour appareils auxiliaires Download PDF

Info

Publication number
WO1998000306A1
WO1998000306A1 PCT/SE1997/001183 SE9701183W WO9800306A1 WO 1998000306 A1 WO1998000306 A1 WO 1998000306A1 SE 9701183 W SE9701183 W SE 9701183W WO 9800306 A1 WO9800306 A1 WO 9800306A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydraulic
drive source
auxiliary apparatuses
hydraulic system
auxiliary
Prior art date
Application number
PCT/SE1997/001183
Other languages
English (en)
Swedish (sv)
Inventor
Kjell R. Johansson
Staffan Lundgren
Original Assignee
Ab Volvo
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ab Volvo filed Critical Ab Volvo
Priority to DE19781855A priority Critical patent/DE19781855B4/de
Priority to AU34715/97A priority patent/AU3471597A/en
Priority to GB9828685A priority patent/GB2329620B/en
Priority to DE19781855T priority patent/DE19781855T1/de
Publication of WO1998000306A1 publication Critical patent/WO1998000306A1/fr

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/38Control of exclusively fluid gearing
    • F16H61/40Control of exclusively fluid gearing hydrostatic
    • F16H61/4078Fluid exchange between hydrostatic circuits and external sources or consumers
    • F16H61/4096Fluid exchange between hydrostatic circuits and external sources or consumers with pressure accumulators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/28Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of power take-off
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K25/00Auxiliary drives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/08Prime-movers comprising combustion engines and mechanical or fluid energy storing means
    • B60K6/12Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/08Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of non-mechanically driven auxiliary apparatus
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

Definitions

  • the present invention refers to a device for driving auxiliary apparatuses at a vehicle, which is equipped with a drive source, which auxiliary apparatuses for instance can incorporate a generator for generating electric current, cooling agent compressor for air conditioning installation in the vehicle, lubricating oil pump, water pump and cooling fan for the cooling system of the drive source, servo- mechanisms for controlling clutch, steering and brakes, etcetera, which device incorporates a hydraulic system with a pump for pressurizing the hydraulic system, whereby each one of the auxiliary apparatuses is connected to a hydraulic driving motor.
  • auxiliary apparatuses e.g. water pump, oil pump, generator, steering servo-mechanism, air conditioning and starter motor and other.
  • auxiliary apparatuses are driven by means of a belt transmission (having a high efficiency in itself) or e.g. by a chain transmission, at a varying operating speed, related to the motor speed.
  • the mean efficiency of the generator normally can reach about 40-55 percent.
  • the losses of the generator refer i.a. to friction losses, the air cooling, copper and iron losses and rectifier losses if the transfer is made from alternating current to direct current.
  • a generator can be optimized with respect to the efficiency in several different modes, e.g. in that it is provided with permanent magnets, in that outer or inner cooling fan can be substituted e.g. by fluid cooling which permits heat energy recovery and in that components therein are optimized for a certain given operating speed.
  • outer or inner cooling fan can be substituted e.g. by fluid cooling which permits heat energy recovery and in that components therein are optimized for a certain given operating speed.
  • the cooling agent compressor of the air conditioning device This refers generally also to most of the other occurring auxiliary apparatuses.
  • WO91/10575 From WO91/10575 is known a hydraulic system for the entire vehicle, including a hydraulic tank. A micro processor controls a valve which causes the pump to create a constant pressure in this tank. The same processor controls also a valve between the tank and the consumptive hydraulic motor. Otherwise however the system lacks "intelligence", it does not consider expected occurances, etcetera. The system is not mainly aiming at increasing the effectivity of energy use, does not in any way intend to raise the efficiency of separate auxiliary apparatuses included.
  • DE 1143673 refers to a hydrostatic auxiliary driving device, which lacks control and adjustment system with individual influence on all auxiliary apparatuses and individual possibility of adaption of the speed for raising the efficiency.
  • DE 4308113A1 discloses a possibility to arrange all in a bigger block. There is no possibility for individual speed adaption (for increasing the efficiency) or control/adjustment means for obtaining this.
  • a purpose of the present invention is to provide a device for driving of auxiliary apparatuses, by means of which the above described drawbacks can be reduced.
  • the device is characterized in that the driving motors of the auxiliary apparatuses are equipped with control and adjustment means, respectively for connection and complete or partial disconnection of these in dependency of the effect consumption of the driving motors, that the control and adjustment means are arranged to communicate with a control computer, for adaption of the effect of the drive source to expected changes in the effect consumption of the auxiliary apparatuses . And that said speed range is specific for each auxiliary apparatus and its driving motor.
  • FIG. 1 schematically and in block form shows a drive system according to the invention
  • Fig. 2 in perspective shows an installation of the invention at a drive source.
  • the reference numeral 10 refers to a drive source, e.g. a combustion engine, which can act directly or via a transmission for propelling a vehicle.
  • a drive source e.g. a combustion engine
  • passenger cars, buses and lorries can be mentioned passenger cars, buses and lorries.
  • An output shaft 11 of the motor 10 can be connected to a transmission 12, which adapts the speed in appropriate manner.
  • the transmission 12 in turn is connected to a hydraulic pump 13, which operates according to the principle of a variable displacement .
  • this can deliver a substantially constant flow of hydraulic fluid or a hydraulic fluid flow of a constant pressure to a hydraulic circuit 14, independent of the speed of the drive source 10.
  • the high pressure side of the hydraulic circuit 14 is designated 15 and the low pressure side 16.
  • a pressure vessel 17 for storing hydraulic pressure can be connected to the high pressure side 15 of the circuit.
  • a number of hydraulic motors 18 are connected to the hydraulic system either in series or in parallel or in a combination of series/parallel connections. Each one of these hydraulic motors 18 is connected to one or more auxiliary apparatuses 19.
  • the auxiliary apparatuses can for instance be a generator for generation of electric current, a cooling agent compressor for an air conditioning device in the vehicle, lubricating oil pump, a water pump and a cooling fan for the cooling system of the drive source, servo-mechanisms for manoeuvering of clutch, steering and brakes, etcetera.
  • All hydraulic motors 18 work e.g. according to the principle of fixed displacement, which means that they can operate within a mainly constant speed range. Alternatively they can operate at a variable displacement.
  • auxiliary apparatuses can be optimized for this speed range, which means that their efficiency can be raised substantially in comparison to if their speed should be entirely dependent upon the speed of the drive source 10. For instance it is possible to achieve a mean efficiency of more than 90 percent, at a generator for generation of electric energy, if it is optimized for a certain speed range .
  • auxiliary apparatuses Different operating speeds can be achieved hereby by choice of hydraulic motor or by appropriate control/adjustment thereof.
  • a transmission e.g. a gear unit 20 or a belt transmission, which is connected between an auxiliary apparatus connected to the hydraulic motor and another auxiliary apparatus.
  • the hydraulic system incorporates control and adjustment valves 21, which can be manoeuvered mechanically, electrically, pneumatically, hydraulically or with a combination of one/some of these methods for connection or disconnection or successive (gradual) connection or disconnection of hydraulic motors associated with different auxiliary apparatuses.
  • Hydraulic motors can hereby be disconnected or partly disconnected at manoeuvres that are power requiring for the vehicle, e.g. at acceleration for overdriving, or be adjusted to a lower level .
  • the drive source could be instructed to increase its speed/output upon suborders depending on expected occurances in the system.
  • the air conditioning system can call for more of the drive source when the cooling compressor is required to start/increase the effect.
  • the system described above further makes possible a complete integration of hydraulic pump, hydraulic motors, generator, water pump, cooling ducts etcetera in the form of casing integration with the drive motor.
  • a compact auxiliary apparatus package Except for from energy aspects, this might also be an advantageous solution in view of lower space requirements and crash safety.
  • More than one auxiliary apparatus can be driven by the same hydraulic motor if so is desired and if desired operating speed permits it, e.g. via a common shaft or via appropriate power transmission.
  • the pressure vessel 17 can e.g. be used as an energy storage, for use when extra power is needed, e.g.
  • the stored energy can also be used for steering servo-mechanisms and for start of the drive source.
  • Energy can be stored in the pressure vessel 17 when there is an excess, e.g. when the vehicle has a torque excess (brake energy recovery) or when the drive source has a torque excess or its best efficiency.
  • the system described above gives also a possibility to recover cooling effect from the hydraulic components and the auxiliary apparatuses and to transfer this to the parts of the vehicle and/or its drive source where it can be utilized.
  • An example of this is integration with the cooling system of the drive source in order to reach a proper operating temperature rapidly and for facilitating heating of the compartment areas of the vehicle .
  • Fig. 2 shows a transverse drive source 10 as seen obliquely from the front and equipped with gear box 22.
  • An integrated hydraulic unit 23 incorporating pump and hydraulic system is positioned just above the gear box 22.
  • the hydraulic unit 23 in turn supports a number of auxiliary apparatus units 24, each one of which can incorporate a hydraulic motor 18 and at least one auxiliary apparatus 19.
  • the auxiliary apparatuses can be positioned in advantageous positions in the vehicle and they may easily be connected by means of e.g. channels, tube conduits or high pressure hoses.
  • common cooling/heating ducts in the hydraulic unit 23, the auxiliary apparatus unit 24 and the drive source.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

Dispositif d'entraînement pour appareils auxiliaires dans un véhicule, avec unité d'entraînement. Les appareils auxiliaires (19) sont par exemple: générateur de courant électrique, compresseur à agent refroidissant pour système de conditionnement d'air, pompe à huile de graissage, pompe à eau et ventilateur pour le système de refroidissement de l'unité d'entraînement, servomécanismes pour l'embrayage, la direction et les freins, etc. Le dispositif comprend un système hydraulique (14) et une pompe (13) pour la pression de ce système. Chaque appareil auxiliaire (19) est relié à un moteur hydraulique (18) conçu pour fonctionner essentiellement dans un domaine de vitesse spécifique.
PCT/SE1997/001183 1996-06-28 1997-06-30 Dispositif d'entrainement pour appareils auxiliaires WO1998000306A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19781855A DE19781855B4 (de) 1996-06-28 1997-06-30 Vorrichtung zum Antrieb von Zusatzeinrichtungen
AU34715/97A AU3471597A (en) 1996-06-28 1997-06-30 A device for driving auxiliary apparatuses
GB9828685A GB2329620B (en) 1996-06-28 1997-06-30 A device for driving auxiliary apparatuses
DE19781855T DE19781855T1 (de) 1996-06-28 1997-06-30 Vorrichtung zum Antrieb von Zusatzeinrichtungen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9602583-8 1996-06-28
SE9602583A SE509166C2 (sv) 1996-06-28 1996-06-28 Anordning för drivning av hjälpapparater vid ett fordon

Publications (1)

Publication Number Publication Date
WO1998000306A1 true WO1998000306A1 (fr) 1998-01-08

Family

ID=20403217

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1997/001183 WO1998000306A1 (fr) 1996-06-28 1997-06-30 Dispositif d'entrainement pour appareils auxiliaires

Country Status (5)

Country Link
AU (1) AU3471597A (fr)
DE (2) DE19781855T1 (fr)
GB (1) GB2329620B (fr)
SE (1) SE509166C2 (fr)
WO (1) WO1998000306A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1158155A2 (fr) * 2000-05-24 2001-11-28 DEUTZ Aktiengesellschaft Moteur construit de façon modulaire
KR20030030700A (ko) * 2001-10-12 2003-04-18 현대자동차주식회사 유압식 엔진 보기류 구동장치
WO2007094860A1 (fr) * 2006-02-16 2007-08-23 Bendix Commercial Vehicle Systems Llc Agencement de charge d'air alimente hydrauliquement
US7484583B2 (en) 2006-09-29 2009-02-03 Caterpillar Inc. Auxiliary power unit for moving a vehicle
CN102635539A (zh) * 2012-04-05 2012-08-15 兰州理工大学 远程供水车水泵的动力系统及装有该系统的远程供水车
CN102913514A (zh) * 2012-10-08 2013-02-06 潍坊优力动力配套有限公司 液压水泵投掷回收机构
CN107323258A (zh) * 2017-06-30 2017-11-07 武汉理工大学 一种汽车能量多级回收储存系统及方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016121239B4 (de) 2016-11-07 2020-08-27 Nidec Gpm Gmbh System und Verfahren zum hydraulischen Antreiben von Hilfsaggregaten

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1143673B (de) * 1958-04-02 1963-02-14 Bosch Gmbh Robert Hydrostatischer Hilfsgeraeteantrieb
US4627239A (en) * 1980-06-06 1986-12-09 Kawasaki Jukogyo Kabushiki Kaisha Hydraulic circuit arrangement
WO1991010575A1 (fr) * 1990-01-09 1991-07-25 Jaromir Tobias Systeme de transfert de puissance avec accumulateur de pression continuellement actif
DE4308113A1 (de) * 1992-03-28 1993-09-30 Volkswagen Ag Antriebsanordnung für Nebenaggregate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3529743A1 (de) * 1985-08-20 1987-02-26 Bosch Gmbh Robert Hydrostatischer antrieb von nebenaggregaten eines fahrzeugs
DE4238998A1 (de) * 1992-11-19 1994-05-26 Bosch Gmbh Robert Hydrostatischer Antrieb von Nebenaggregaten in einem Kraftfahrzeug

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1143673B (de) * 1958-04-02 1963-02-14 Bosch Gmbh Robert Hydrostatischer Hilfsgeraeteantrieb
US4627239A (en) * 1980-06-06 1986-12-09 Kawasaki Jukogyo Kabushiki Kaisha Hydraulic circuit arrangement
WO1991010575A1 (fr) * 1990-01-09 1991-07-25 Jaromir Tobias Systeme de transfert de puissance avec accumulateur de pression continuellement actif
DE4308113A1 (de) * 1992-03-28 1993-09-30 Volkswagen Ag Antriebsanordnung für Nebenaggregate

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1158155A2 (fr) * 2000-05-24 2001-11-28 DEUTZ Aktiengesellschaft Moteur construit de façon modulaire
EP1158155A3 (fr) * 2000-05-24 2002-09-04 DEUTZ Aktiengesellschaft Moteur construit de façon modulaire
KR20030030700A (ko) * 2001-10-12 2003-04-18 현대자동차주식회사 유압식 엔진 보기류 구동장치
WO2007094860A1 (fr) * 2006-02-16 2007-08-23 Bendix Commercial Vehicle Systems Llc Agencement de charge d'air alimente hydrauliquement
US7484583B2 (en) 2006-09-29 2009-02-03 Caterpillar Inc. Auxiliary power unit for moving a vehicle
CN102635539A (zh) * 2012-04-05 2012-08-15 兰州理工大学 远程供水车水泵的动力系统及装有该系统的远程供水车
CN102913514A (zh) * 2012-10-08 2013-02-06 潍坊优力动力配套有限公司 液压水泵投掷回收机构
CN107323258A (zh) * 2017-06-30 2017-11-07 武汉理工大学 一种汽车能量多级回收储存系统及方法

Also Published As

Publication number Publication date
SE509166C2 (sv) 1998-12-14
DE19781855B4 (de) 2008-10-09
DE19781855T1 (de) 1999-09-23
GB2329620B (en) 2000-09-27
GB9828685D0 (en) 1999-02-17
SE9602583D0 (sv) 1996-06-28
SE9602583L (sv) 1997-12-29
GB2329620A (en) 1999-03-31
AU3471597A (en) 1998-01-21

Similar Documents

Publication Publication Date Title
US5847470A (en) Auxiliary motor drive system
US7281376B2 (en) Hydraulic hybrid powertrain system
CA1224696A (fr) Systeme d'entrainement multiroue
EP2298586B1 (fr) Véhicule Hybride
US3970163A (en) Automotive vehicle drive
US6397968B2 (en) Transmission unit for hybrid vehicle
EP0930185B1 (fr) Appareil de conditionnement d'air pour vehicule
JP2004100956A (ja) ハイブリッド電気自動車の冷却システム及び方法
EP0915236A3 (fr) Unité de propulsion pour un véhicule
US5779008A (en) Drive unit with engine and retarder
JP2002199506A (ja) ハイブリッド駆動装置
JP2002536226A (ja) 自動車の少なくとも1つの付属ユニットのための駆動装置および該駆動装置を運転する方法
US20050187067A1 (en) Drive for a track-laying vehicle
US5168703A (en) Continuously active pressure accumulator power transfer system
US5762582A (en) Drive unit with internal combustion engine and hydrodynamic retarder
US6311487B1 (en) Electromechanical hydraulic drive system for vehicle
US5996762A (en) Drive unit with engine transmission and coolant circuit
KR20170063729A (ko) 유압 시스템
WO1998000306A1 (fr) Dispositif d'entrainement pour appareils auxiliaires
JP2006233919A (ja) ハイブリッド車両の駆動装置
CN102007014A (zh) 带换向操纵的机械控制系统
US5747883A (en) Fan and generator variable speed drive mechanism
CN101119626B (zh) 用于汽车、尤其是履带式汽车或者具有轮侧转向装置的汽车的驱动装置
CN102007027B (zh) 带换向操纵的机械控制系统
CN117377585A (zh) 用于制动电气化车辆的系统

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AL AM AT AU AZ BB BG BR BY CA CH CN CZ DE DK EE ES FI GB GE GH HU IL IS JP KE KG KP KR KZ LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TR TT UA UG US UZ VN YU AM AZ BY KG KZ MD RU TJ TM

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH KE LS MW SD SZ UG ZW AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
ENP Entry into the national phase

Ref document number: 9828685

Country of ref document: GB

Kind code of ref document: A

NENP Non-entry into the national phase

Ref document number: 98504053

Country of ref document: JP

RET De translation (de og part 6b)

Ref document number: 19781855

Country of ref document: DE

Date of ref document: 19990923

WWE Wipo information: entry into national phase

Ref document number: 19781855

Country of ref document: DE

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: CA

REG Reference to national code

Ref country code: DE

Ref legal event code: 8607

REG Reference to national code

Ref country code: DE

Ref legal event code: 8607