[특허]Control apparatus for construction machine

[미국특허] Control apparatus for construction machine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-027/02
출원번호	US-0077833 (1998-06-04)
우선권정보	JP-0323162 (1996-12-03)
국제출원번호	PCT/JP97/00820 (1997-03-14)
§371/§102 date	19980604 (19980604)
국제공개번호	WO-9824987 (1998-11-06)
발명자 / 주소	Miki Masatoshi,JPX Yoshino Kazunori,JPX Samejima Makoto,JPX Akaki Tomohiro,JPX Mitsumori Shigeyoshi,JPX
출원인 / 주소	Shin Caterpillar Mitsubishi Ltd., JPX
대리인 / 주소	Morrison & Foerster LLP
인용정보	피인용 횟수 : 44 인용 특허 : 14

초록 ▼

The present invention relates to a control apparatus for a construction machine such as a hydraulic shovel, and the control apparatus for a construction machine includes a revolving operation member for operating a construction machine revolving unit (14), a fluid pressure pump (2) and an accumulator (5) for accumulating working oil from the fluid pressure pump (2), a fluid pressure actuator (7) for driving the construction machine revolving unit (14) to revolve with the working oil from the fluid pressure pump (2) and the accumulator (5), a first control valve (8) interposed between the fluid pressure actuator (7) and the fluid pressure pump (2), a second control valve (11) for controlling an inflow condition of the fluid from the fluid pressure actuator (7) into the accumulator (5), and control means (9) including first valve control means (9a) for controlling the first control valve (8) and second valve control means (9b) for controlling the second control valve (11).

대표청구항 ▼

[ We claim:] [1.] A control apparatus for a construction machine, characterized in that it comprises:operation means (24) at least having a revolving operation member (16, 18) for operating a construction machine revolving unit (14) of said construction machine:working fluid supply means (22) at least including a fluid pressure pump (2) driven by a prime mover (1) and an accumulator (5) for accumulating working fluid on the discharge side of said fluid pressure pump (2);driving means (23) including a fluid pressure actuator (7) for driving said construction machine revolving unit (14) to revolve with the working fluid from said working fluid supply means (22);valve means (19) including a first control valve (8) interposed between said driving means (23) and said working fluid supply means (22) for controlling a revolution condition of said construction machine revolving unit (14) by said fluid pressure actuator (7), and a second control valve (11) interposed between said fluid pressure actuator (7) and said accumulator (5) for controlling an inflow condition of the fluid from said fluid pressure actuator (7) into said accumulator (5) when said fluid pressure actuator (7) is driven by said construction machine revolving unit (14); andcontrol means (9) including first valve control means (9a) for controlling said first control valve (8) in response to an operation instruction received from said revolving operation member (16, 18) and second valve control means (9b) for controlling said second control valve (11) when said fluid pressure actuator (7) is driven by said construction machine revolving unit (14).

이 특허에 인용된 특허 (14) 인용/피인용 타임라인 분석

Carman Vincent E. (Portland OR), Automotive drive system.
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Hagin Faust (Munich DEX), Device for storing and releasing energy.
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Morello Lorenzo (Turin ITX) Castelli Pier G. (Turin ITX), Hydraulic system for transmitting power from an internal combustion engine to the wheels of a motor vehicle.
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Nikolaus Heinrich (Hamburg DEX), Hydraulic transmission.
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Rosman Alan H. (21601 Erwin St. Woodland Hills CA 91367), Hydraulic-drive system for an intermittent-demand load.
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Michel Robert (Paris FRX), Hydropneumatic system for recovering braking energy for urban vehicles.
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Kirstein Herwig (Lohr DEX) Schmitt Gerd (Partenstein DEX), Hydrostatic drive for wave generating systems in swimming pools.
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Lexen Gerald (Munich DEX), Motor vehicle.
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Nystrm Per H. G. (Grahallavgen 10 SE-490 30 Borensberg SEX), On-off valve fluid governed servosystem.
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Curnow John W. (Utica MI), Power transmission.
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Hunt Michael S. (Edenvale ZAX), Power transmission system.
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Pelto-Huikko Raimo (Vantaa FIX), Procedure for operating an elevator, and an elevator machinery.
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Schwelm Hans (Luxembourg-Dommeldange LUX), Proportional seat-type 4-way valve.
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Basham Dean V. (Selmer TN), Regenerative drive system.
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Devier,Lonnie James; Tozawa,Shoji; Lunzman,Stephen V., Configurable hydraulic control system.
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Wang, Meng (Rachel); Jagoda, Aaron Hertzel; Larish, Chad Anthony; Piyabongkarn, Damrongrit; Danzl, Per William; Mahulkar, Vishal Vijay, Control system for hydraulic system and method for recovering energy and leveling hydraulic system loads.
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Wang, Meng (Rachel); Jagoda, Aaron Hertzel; Larish, Chad Anthony; Piyabongkarn, Damrongrit; Danzl, Per William; Mahulkar, Vishal Vijay, Control system for hydraulic system and method for recovering energy and leveling hydraulic system loads.
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Kubota, Yorimichi; Matoba, Nobuaki; Nozaki, Shinya; Kurokawa, Yoshikazu, Device for controlling a working arm of a working machine.
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Zhang, Jiao; Ma, Pengfei; Shang, Tonglin; Wen, Gang Victor; Nelson, Bryan Edward; Chen, Dayao, Electro-hydraulic system for recovering and reusing potential energy.
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Vonderwell,Mark P.; Guo,Yun; Sorokine,Mikhall A.; Egelja,Aleksandar M; Ma,Pengfei, Electronically and hydraulically-actuated drain value.
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Ma, Pengfei; Shang, Tonglin; Zhang, Jiao; Chen, Dayao; Wen, Gang Victor, Energy recovery system for hydraulic machine.
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Zhang, Jiao; Chen, Dayao; Ma, Pengfei; Shang, Tonglin; Tognetti, Lawrence J.; Kuehn, Jeffrey L., Energy recovery system having accumulator and variable relief.
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Ma, Pengfel; Vande Kerckhove, Philippe Georges, Force feedback poppet valve having an integrated pressure compensator.
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Bonnette, Michael J.; Prather, Richard R.; Thor, Eric J., Gas inflation/evacuation system incorporating a multiple element valved guidewire assembly having an occlusive device.
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Bradford J. Holt ; John J. Krone ; Douglas W. Koehler ; Michael A. Cobo, Hydraulic control system for improving pump response and dynamic matching of pump and valve.
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Cesur, Rustu; Zhang, Jiao; Shang, Tonglin; Hillman, Bryan J.; Spring, Peter; Tognetti, Lawrence J.; Ma, Pengfei, Hydraulic control system having electronic flow limiting.
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Ma, Pengfei; Zhang, Jiao; Shang, Tonglin; Spring, Peter; Chen, Dayao; Syed, Salik A.; Ferraz, Jr., John; Peterson, Randal N., Hydraulic control system having energy recovery kit.
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Peterson, Randal N.; Egelja, Aleksandar M.; Cesur, Rustu, Hydraulic control system having over-pressure protection.
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Cesur, Rustu; Tognetti, Lawrence J.; Ma, Pengfei; Zhang, Jiao; Shang, Tonglin, Hydraulic control system having swing energy recovery.
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Ma, Pengfei; Zhang, Jiao; Chen, Dayao; Shang, Tonglin, Hydraulic control system having swing energy recovery.
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Hillman, Bryan J.; Zhang, Jiao; Tognetti, Lawrence C.; Spring, Peter; Cesur, Rustu; Shang, Tonglin, Hydraulic control system having swing motor energy recovery.
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Zhang, Jiao; Shang, Tonglin; Spring, Peter; Ma, Pengfei; Peterson, Randal N., Hydraulic control system having swing motor energy recovery.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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[미국특허] Control apparatus for construction machine 원문보기

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[미국특허] Control apparatus for construction machine 원문보기

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이 특허에 인용된 특허 (14) 인용/피인용 타임라인 분석

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