[go: up one dir, main page]

SE7910114L - System for reglering av motorer - Google Patents

System for reglering av motorer

Info

Publication number
SE7910114L
SE7910114L SE7910114A SE7910114A SE7910114L SE 7910114 L SE7910114 L SE 7910114L SE 7910114 A SE7910114 A SE 7910114A SE 7910114 A SE7910114 A SE 7910114A SE 7910114 L SE7910114 L SE 7910114L
Authority
SE
Sweden
Prior art keywords
engine
bmep
control system
engine control
desirability
Prior art date
Application number
SE7910114A
Other languages
English (en)
Inventor
W S Heggie
Original Assignee
Canada Nat Res Council
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 Canada Nat Res Council filed Critical Canada Nat Res Council
Publication of SE7910114L publication Critical patent/SE7910114L/sv

Links

Classifications

    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • B60K6/08—Prime-movers comprising combustion engines and mechanical or fluid energy storing means
    • B60K6/12—Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/101—Infinitely variable gearings
    • B60W10/103—Infinitely variable gearings of fluid type
    • 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
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18109—Braking
    • B60W30/18127—Regenerative braking
    • 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
    • B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
    • B60W30/1882—Controlling power parameters of the driveline, e.g. determining the required power characterised by the working point of the engine, e.g. by using engine output chart
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/04—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving pumps
    • 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
    • F16H61/4078—Fluid exchange between hydrostatic circuits and external sources or consumers
    • F16H61/4096—Fluid exchange between hydrostatic circuits and external sources or consumers with pressure accumulators
    • 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
    • F16H61/425—Motor capacity control by electric actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Fluid Gearings (AREA)
  • Controls For Constant Speed Travelling (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
SE7910114A 1978-12-08 1979-12-07 System for reglering av motorer SE7910114L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000317645A CA1214088A (en) 1978-12-08 1978-12-08 Engine control systems

Publications (1)

Publication Number Publication Date
SE7910114L true SE7910114L (sv) 1980-06-09

Family

ID=4113105

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7910114A SE7910114L (sv) 1978-12-08 1979-12-07 System for reglering av motorer

Country Status (5)

Country Link
US (1) US4679396A (sv)
JP (1) JPS55123528A (sv)
CA (1) CA1214088A (sv)
DE (1) DE2949337A1 (sv)
SE (1) SE7910114L (sv)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3115471A1 (de) * 1981-04-16 1982-10-28 Gabler Gmbh & Co Kg, 4230 Wesel Drehbehaelter-muellwagen
US4843818A (en) * 1986-08-29 1989-07-04 Thoma Christian H Rotary hydrostatic machines or transmissions
DE3713799A1 (de) * 1987-04-24 1988-11-10 Rexroth Mannesmann Gmbh Hydrostatisches antriebssystem
DE3729495A1 (de) * 1987-09-03 1989-03-16 Brueninghaus Hydraulik Gmbh Sekundaergeregeltes hydrostatisches getriebe mit offenem kreislauf
AU5741390A (en) * 1989-06-09 1991-01-07 Kabushiki Kaisha Komatsu Seisakusho Device for controlling variable capacity motor of hydraulic drive vehicle
JPH07103593B2 (ja) * 1990-06-06 1995-11-08 株式会社小松製作所 積み込み作業車両の制御装置及び方法
US5655369A (en) * 1991-01-14 1997-08-12 Folsom Technologies, Inc. Continuously variable vane-type transmission with regenerative braking
US5678462A (en) * 1992-03-04 1997-10-21 Hydromatik Gmbh Hydrostatic travelling drive
DE4206833C1 (sv) * 1992-03-04 1993-01-28 Hydromatik Gmbh, 7915 Elchingen, De
DE4224359C1 (sv) * 1992-07-23 1993-05-27 Hydromatik Gmbh, 7915 Elchingen, De
AU6143699A (en) 1998-09-14 2000-04-03 A.W. Brown Co., Inc. Dual drive continuously variable transmission
US6926632B2 (en) * 1998-09-14 2005-08-09 Albert W. Brown Dual drive continuously variable transmission
US6425450B1 (en) * 2000-10-30 2002-07-30 Lansberry Tractor Company, Inc. Load-shifting vehicle
US6427107B1 (en) 2001-06-28 2002-07-30 Caterpillar Inc. Power management system and method
US20020097155A1 (en) * 2001-01-23 2002-07-25 Cassel Cynthia L. Combination breathing monitor alarm and audio baby alarm
US7416045B2 (en) * 2002-08-28 2008-08-26 Torvec, Inc. Dual hydraulic machine transmission
US6971463B2 (en) * 2002-12-23 2005-12-06 Cnh America Llc Energy recovery system for work vehicle including hydraulic drive circuit and method of recovering energy
US7100723B2 (en) * 2004-02-01 2006-09-05 Ford Global Technologies, Llc Multiple pressure mode operation for hydraulic hybrid vehicle powertrain
WO2005079461A2 (en) * 2004-02-17 2005-09-01 Pneuvolt, Inc. Vehicle system to recapture kinetic energy
US20070227802A1 (en) * 2004-04-09 2007-10-04 O'brien James A Ii Hybrid earthmover
US20060154761A1 (en) * 2005-01-11 2006-07-13 Brown Albert W Single chain continuously variable transmission
US7540815B2 (en) * 2005-01-11 2009-06-02 Brown Albert W In-series two chain continuously variable transmission
DE102005038905A1 (de) 2005-08-17 2007-02-22 Brueninghaus Hydromatik Gmbh Verfahren zum Regeln eines Antriebssystems und elektronische Steuereinheit
DE102006048198A1 (de) * 2005-12-16 2007-07-12 Bosch Rexroth Ag Hydrostatischer Antrieb und Verfahren zum Abbremsen eines hydrostatischen Antriebs
DE102006060014B4 (de) * 2005-12-20 2009-05-14 Bosch Rexroth Aktiengesellschaft Hydrostatischer Antrieb mit Rückgewinnung von Bremsenergie
DE102005061991A1 (de) 2005-12-23 2007-07-05 Bosch Rexroth Aktiengesellschaft Hydrostatischer Antrieb
US7678015B2 (en) * 2006-04-28 2010-03-16 Caterpillar Inc. Efficiency based integrated power train control system
US20070284170A1 (en) * 2006-06-13 2007-12-13 Kuras Brian D Retarding control for hydromechanical drive machine
US7832207B2 (en) 2008-04-09 2010-11-16 Sustainx, Inc. Systems and methods for energy storage and recovery using compressed gas
US8677744B2 (en) 2008-04-09 2014-03-25 SustaioX, Inc. Fluid circulation in energy storage and recovery systems
US20100307156A1 (en) 2009-06-04 2010-12-09 Bollinger Benjamin R Systems and Methods for Improving Drivetrain Efficiency for Compressed Gas Energy Storage and Recovery Systems
US8479505B2 (en) 2008-04-09 2013-07-09 Sustainx, Inc. Systems and methods for reducing dead volume in compressed-gas energy storage systems
US8474255B2 (en) 2008-04-09 2013-07-02 Sustainx, Inc. Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange
US8250863B2 (en) 2008-04-09 2012-08-28 Sustainx, Inc. Heat exchange with compressed gas in energy-storage systems
US8037678B2 (en) 2009-09-11 2011-10-18 Sustainx, Inc. Energy storage and generation systems and methods using coupled cylinder assemblies
US8240140B2 (en) 2008-04-09 2012-08-14 Sustainx, Inc. High-efficiency energy-conversion based on fluid expansion and compression
US8448433B2 (en) 2008-04-09 2013-05-28 Sustainx, Inc. Systems and methods for energy storage and recovery using gas expansion and compression
US8359856B2 (en) 2008-04-09 2013-01-29 Sustainx Inc. Systems and methods for efficient pumping of high-pressure fluids for energy storage and recovery
US7958731B2 (en) 2009-01-20 2011-06-14 Sustainx, Inc. Systems and methods for combined thermal and compressed gas energy conversion systems
US20110266810A1 (en) 2009-11-03 2011-11-03 Mcbride Troy O Systems and methods for compressed-gas energy storage using coupled cylinder assemblies
US8225606B2 (en) 2008-04-09 2012-07-24 Sustainx, Inc. Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression
US7802426B2 (en) 2008-06-09 2010-09-28 Sustainx, Inc. System and method for rapid isothermal gas expansion and compression for energy storage
DE102008062836B3 (de) * 2008-12-23 2010-08-05 Hydac Technology Gmbh Hydrostatisches Antriebssystem
WO2010105155A2 (en) 2009-03-12 2010-09-16 Sustainx, Inc. Systems and methods for improving drivetrain efficiency for compressed gas energy storage
US8104274B2 (en) 2009-06-04 2012-01-31 Sustainx, Inc. Increased power in compressed-gas energy storage and recovery
US8171728B2 (en) 2010-04-08 2012-05-08 Sustainx, Inc. High-efficiency liquid heat exchange in compressed-gas energy storage systems
US8191362B2 (en) 2010-04-08 2012-06-05 Sustainx, Inc. Systems and methods for reducing dead volume in compressed-gas energy storage systems
US8234863B2 (en) 2010-05-14 2012-08-07 Sustainx, Inc. Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange
US8495872B2 (en) 2010-08-20 2013-07-30 Sustainx, Inc. Energy storage and recovery utilizing low-pressure thermal conditioning for heat exchange with high-pressure gas
US8578708B2 (en) 2010-11-30 2013-11-12 Sustainx, Inc. Fluid-flow control in energy storage and recovery systems
US10233949B2 (en) 2011-03-21 2019-03-19 Dana Belgium N.V. Accumulator assisted hydrostatic driveline and optimization method thereof
WO2012158781A2 (en) 2011-05-17 2012-11-22 Sustainx, Inc. Systems and methods for efficient two-phase heat transfer in compressed-air energy storage systems
US20130091834A1 (en) 2011-10-14 2013-04-18 Sustainx, Inc. Dead-volume management in compressed-gas energy storage and recovery systems
US9738162B2 (en) * 2015-03-16 2017-08-22 Viatec, Inc. Electro-hydraulic hybrid system
CN105799667B (zh) * 2016-03-18 2018-10-09 江苏大学 一种高低压罐空气悬架汽车制动能量回收再生系统及控制方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB983256A (en) * 1962-03-08 1965-02-17 Council Scient Ind Res Improvements in hydraulic transmission systems
GB1123277A (en) * 1966-01-03 1968-08-14 Kleinewefers Soehne J Improvements in or relating to hydraulic systems for calender presses
DE2153960A1 (de) * 1971-10-29 1973-05-03 Volkswagenwerk Ag Antrieb fuer kraftfahrzeuge
FR2188688A5 (sv) * 1972-06-02 1974-01-18 Peugeot & Renault
DE2515048C3 (de) * 1975-04-07 1982-02-18 M.A.N. Maschinenfabrik Augsburg-Nuernberg Ag, 8000 Muenchen Antriebsanordnung mit Energiespeicher, insbesondere für Straßenfahrzeuge
DE2522719C2 (de) * 1975-05-22 1986-06-05 Linde Ag, 6200 Wiesbaden Steuereinrichtung
DE2524049A1 (de) * 1975-05-30 1976-12-09 Bertling Johannes Gerhard Dr I Geregeltes fahrzeugantriebssystem
US4098083A (en) * 1977-04-20 1978-07-04 Carman Vincent Earl Hydraulic energy storage multi-speed transmission

Also Published As

Publication number Publication date
US4679396A (en) 1987-07-14
DE2949337A1 (de) 1980-06-26
JPS55123528A (en) 1980-09-24
CA1214088A (en) 1986-11-18

Similar Documents

Publication Publication Date Title
SE7910114L (sv) System for reglering av motorer
CN100484798C (zh) 双桥液驱混合动力汽车传动系统
US6809429B1 (en) Control method and apparatus for internal combustion engine electric hybrid vehicles
CN107310371B (zh) 一种独立轮边驱动的液驱混合动力系统
CN110203056B (zh) 一种多模式四驱混合动力汽车能量管理控制方法
CN109017265B (zh) 一种混合动力汽车多模耦合四轮驱动系统
CN205130908U (zh) 一种混合动力汽车用三挡混动变速器
SE8300508L (sv) Kraftfordelningstransmission konstruerad for drift under ren dragning, under atervinning av den kinetiska energin och som hybrid
JPS644577A (en) Car controller having wheel-speed difference input
CN103434383B (zh) 混合动力汽车的变速箱及相应的控制方法
CN108482103A (zh) 一种双轴驱动混合动力系统及驱动方法
CN107160999B (zh) 一种混合式动力传动系统的专用车底盘及车辆控制方法
GB2464257A (en) Flywheel and transmission system for regenerative braking
GB1310597A (en) Powered loader vehicle
ATE41897T1 (de) Nachfuehreinheit.
CN209634272U (zh) 一种分布式驱混合动力装置
FR2445258A1 (fr) Groupe propulseur hydraulique pour vehicule, a recyclage mecanique de puissance en virage
GB830950A (en) Improvements in trailer gun carriages and similar vehicles
DE3071880D1 (en) Power drive system for road vehicles
Chen et al. Simulation and data analysis of energy recovery sensing on a parallel hydraulic hybrid crane
CN210027018U (zh) 一种军用越野车机电液耦合分布式驱动系统
CN106671764A (zh) 一种混合动力汽车用六挡混动变速器及其使用方法
GB1358895A (en) Apparatus for steering a track laying vehicle
GB1456902A (en) Drriving and steering system for a motor driven artillery piece
CN218906906U (zh) 一种混合动力全地形车动力结构

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 7910114-3

Format of ref document f/p: F