HRP20020191A2 - Valve control unit for a hydraulic elevator - Google Patents
Valve control unit for a hydraulic elevator Download PDFInfo
- Publication number
- HRP20020191A2 HRP20020191A2 HR20020191A HRP20020191A HRP20020191A2 HR P20020191 A2 HRP20020191 A2 HR P20020191A2 HR 20020191 A HR20020191 A HR 20020191A HR P20020191 A HRP20020191 A HR P20020191A HR P20020191 A2 HRP20020191 A2 HR P20020191A2
- Authority
- HR
- Croatia
- Prior art keywords
- control
- control valve
- valve
- assembly
- piston
- Prior art date
Links
- 239000010720 hydraulic oil Substances 0.000 claims description 33
- 230000003584 silencer Effects 0.000 claims description 26
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000005086 pumping Methods 0.000 description 19
- 108010066057 cabin-1 Proteins 0.000 description 12
- 230000008901 benefit Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/003—Systems with load-holding valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/04—Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/008—Throttling member profiles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/26—Power control functions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
- F15B2211/30515—Load holding valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40576—Assemblies of multiple valves
- F15B2211/40584—Assemblies of multiple valves the flow control means arranged in parallel with a check valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/41—Flow control characterised by the positions of the valve element
- F15B2211/413—Flow control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41572—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and an output member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/46—Control of flow in the return line, i.e. meter-out control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/625—Accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6343—Electronic controllers using input signals representing a temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
- F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6651—Control of the prime mover, e.g. control of the output torque or rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6653—Pressure control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7052—Single-acting output members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/75—Control of speed of the output member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
- F15B2211/8613—Control during or prevention of abnormal conditions the abnormal condition being oscillations
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Fluid-Pressure Circuits (AREA)
- Elevator Control (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01312/00A CH694763A5 (de) | 2000-07-03 | 2000-07-03 | Steuerventileinheit für einen hydraulischen Aufzug. |
PCT/EP2001/006273 WO2002002974A2 (de) | 2000-07-03 | 2001-06-01 | Steuerventileinheit für einen hydraulischen aufzug |
Publications (1)
Publication Number | Publication Date |
---|---|
HRP20020191A2 true HRP20020191A2 (en) | 2004-02-29 |
Family
ID=25738978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HR20020191A HRP20020191A2 (en) | 2000-07-03 | 2002-03-01 | Valve control unit for a hydraulic elevator |
Country Status (12)
Country | Link |
---|---|
US (1) | US6742629B2 (de) |
EP (1) | EP1222416B1 (de) |
JP (1) | JP2004502114A (de) |
KR (1) | KR20020030792A (de) |
AU (1) | AU770145B2 (de) |
BR (1) | BR0106900A (de) |
CA (1) | CA2383190A1 (de) |
DE (1) | DE50111267D1 (de) |
HR (1) | HRP20020191A2 (de) |
MX (1) | MXPA01013142A (de) |
PL (1) | PL357194A1 (de) |
WO (1) | WO2002002974A2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR0106900A (pt) | 2000-07-03 | 2002-07-16 | Wittur Ag | Unidade de válvula de controle para elevador hidráulico |
AT503040B1 (de) * | 2005-12-12 | 2007-07-15 | Lcm Gmbh | Verfahren und vorrichtung zur steuerung eines hydraulischen aufzugs |
DE102007005070B4 (de) | 2007-02-01 | 2010-05-27 | Klippel, Wolfgang, Dr. | Anordnung und Verfahren zur optimalen Schätzung der linearen Parameter und der nichtlinearen Parameter eines Modells, das einen Wandler beschreibt |
US8191689B2 (en) * | 2009-06-19 | 2012-06-05 | Tower Elevator Systems, Inc. | Elevator safety rescue system |
ITMO20110330A1 (it) * | 2011-12-22 | 2013-06-23 | Brevini Fluid Power S P A | Dispositivo di comando |
DE102013014671A1 (de) * | 2013-09-03 | 2015-03-05 | Hydac Technology Gmbh | Ventilbaukomponenten |
US10669128B2 (en) * | 2015-04-08 | 2020-06-02 | W2W 777 Operations, Llc | Smart pit for hydraulic elevators and other products using pressurized hydraulic fluids |
CN105402468B (zh) * | 2015-09-16 | 2018-06-29 | 中国船舶重工集团公司第七0七研究所九江分部 | 一种电磁阀箱油路切换装置 |
EP3444213A1 (de) * | 2017-08-17 | 2019-02-20 | Blain Hydraulics GmbH | Hydraulischer aufzug |
US11198585B2 (en) * | 2019-02-18 | 2021-12-14 | Tk Elevator Corporation | Systems and methods for controlling working fluid in hydraulic elevators |
EP3778298B1 (de) * | 2019-08-13 | 2024-06-26 | Rotex Automation Limited | Kabinensteuerventil mit integriertem magnetventil-richtungssteuerventil |
CN110748520B (zh) * | 2019-09-19 | 2021-03-30 | 山东科技大学 | 一种针规节流器 |
US11845633B2 (en) * | 2020-06-02 | 2023-12-19 | Killakathu Ramanathan Babu | Overload valve assembly for a pneumatic vacuum elevator |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5138136B2 (de) * | 1971-09-17 | 1976-10-20 | ||
DE2358057C2 (de) | 1973-02-15 | 1984-09-06 | Maxton Manufacturing Co., Los Angeles, Calif. | Hydraulische Steueranlage |
US4438831A (en) * | 1980-01-07 | 1984-03-27 | Westinghouse Electric Corp. | Elevator system |
US4368805A (en) * | 1980-12-15 | 1983-01-18 | Elevator Equipment Company | Hydraulic control unit for elevators |
US4637495A (en) * | 1985-10-09 | 1987-01-20 | Blain Roy W | Pressure/viscosity compensated up travel for a hydraulic elevator |
JPS63199969A (ja) * | 1987-02-13 | 1988-08-18 | Hitachi Ltd | 流体制御弁 |
US5040639A (en) | 1990-01-31 | 1991-08-20 | Kawasaki Jukogyo Kabushiki Kaisha | Elevator valve apparatus |
JP2893978B2 (ja) * | 1991-02-28 | 1999-05-24 | 株式会社日立製作所 | 流体圧エレベータ及びその制御方法 |
US5232070A (en) * | 1991-08-15 | 1993-08-03 | Blain Roy W | Up leveling control system for small elevators |
US5289901A (en) * | 1992-08-03 | 1994-03-01 | Otis Elevator Company | Hydraulic elevator pressure relief valve |
KR960010228B1 (ko) * | 1993-10-25 | 1996-07-26 | 이희종 | 유압엘리베이터용 제어밸브장치 |
US5636652A (en) * | 1995-02-28 | 1997-06-10 | Otis Elevator Company | Valve for a hydraulic elevator |
US5593004A (en) * | 1995-03-28 | 1997-01-14 | Blain Roy W | Servo control for hydraulic elevator |
JPH09124256A (ja) * | 1995-10-31 | 1997-05-13 | Hitachi Ltd | 油圧式エレベータの油圧制御弁 |
JP3421495B2 (ja) * | 1996-02-02 | 2003-06-30 | 豊興工業株式会社 | エレベータ弁装置 |
WO1998034868A1 (de) | 1997-02-06 | 1998-08-13 | Beringer-Hydraulik Ag | Verfahren sowie vorrichtung zur steuerung eines hydraulischen aufzugs |
IT1299508B1 (it) | 1998-06-10 | 2000-03-16 | Otis Elevator Co | Valvola perfezionata per centralina idraulica, in particolare per ascensori, montacarichi e simili |
BR0106900A (pt) | 2000-07-03 | 2002-07-16 | Wittur Ag | Unidade de válvula de controle para elevador hidráulico |
-
2001
- 2001-06-01 BR BR0106900-4A patent/BR0106900A/pt not_active IP Right Cessation
- 2001-06-01 KR KR1020027002081A patent/KR20020030792A/ko not_active Application Discontinuation
- 2001-06-01 US US10/018,354 patent/US6742629B2/en not_active Expired - Fee Related
- 2001-06-01 DE DE50111267T patent/DE50111267D1/de not_active Expired - Fee Related
- 2001-06-01 WO PCT/EP2001/006273 patent/WO2002002974A2/de active IP Right Grant
- 2001-06-01 AU AU83831/01A patent/AU770145B2/en not_active Ceased
- 2001-06-01 CA CA002383190A patent/CA2383190A1/en not_active Abandoned
- 2001-06-01 PL PL01357194A patent/PL357194A1/xx unknown
- 2001-06-01 MX MXPA01013142A patent/MXPA01013142A/es unknown
- 2001-06-01 JP JP2002507202A patent/JP2004502114A/ja active Pending
- 2001-06-01 EP EP01962699A patent/EP1222416B1/de not_active Expired - Lifetime
-
2002
- 2002-03-01 HR HR20020191A patent/HRP20020191A2/hr not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JP2004502114A (ja) | 2004-01-22 |
WO2002002974A3 (de) | 2002-05-23 |
WO2002002974A2 (de) | 2002-01-10 |
AU8383101A (en) | 2002-01-14 |
MXPA01013142A (es) | 2003-08-20 |
AU770145B2 (en) | 2004-02-12 |
PL357194A1 (en) | 2004-07-26 |
EP1222416B1 (de) | 2006-10-18 |
BR0106900A (pt) | 2002-07-16 |
EP1222416A2 (de) | 2002-07-17 |
CA2383190A1 (en) | 2002-01-10 |
US6742629B2 (en) | 2004-06-01 |
DE50111267D1 (de) | 2006-11-30 |
KR20020030792A (ko) | 2002-04-25 |
US20020153204A1 (en) | 2002-10-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HRP20020191A2 (en) | Valve control unit for a hydraulic elevator | |
US9964965B2 (en) | Method of controlling proportional motion control valve | |
US7467642B2 (en) | Soft ventable relief valve | |
RU2312256C2 (ru) | Гидравлический блок управления и способ управления гидравлическим управляемым устройством | |
EP0468944A1 (de) | Einrichtung zur Steuerung hydraulischer Motoren | |
KR100906434B1 (ko) | 변환밸브장치 및 유체압 실린더장치 | |
CN210531272U (zh) | 阀和阀设备 | |
US20180024577A1 (en) | Pressure-limiting valve | |
EP2848819A1 (de) | Stellglied | |
EP2944817B1 (de) | Vorrichtung zur steuerung der pumpenentladungsflussrate | |
US20200378409A1 (en) | Valve device | |
EP2963303A1 (de) | Betätigungseinheit | |
EP3470676B1 (de) | Pumpvorrichtung | |
US20060011875A1 (en) | Hydraulically controlled valve comprising at least one hydraulic drive unit | |
JP6594356B2 (ja) | 制御弁 | |
KR102081503B1 (ko) | 시뮬레이터용 액츄에이터 | |
CN109058216B (zh) | 一种平衡阀 | |
CN203548383U (zh) | 带超压安全保护装置的恒压变量泵 | |
RU2238444C2 (ru) | Блок распределительных клапанов лифта с гидравлическим приводом | |
WO2002014696A3 (de) | Ventil | |
JP4214952B2 (ja) | 水車等の調速機及び配圧弁 | |
CN108691827A (zh) | 液压单元 | |
JP3010093U (ja) | 緊急遮断弁 | |
JP2013194829A (ja) | 油圧制御装置 | |
KR19980013816A (ko) | 유압 실린더 장치의 충격 완화 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1OB | Publication of a patent application | ||
ODRP | Renewal fee for the maintenance of a patent |
Payment date: 20040521 Year of fee payment: 4 |
|
OBST | Application withdrawn |