JP7076686B2 - 流量コントローラ及びそれを備えた駆動装置 - Google Patents
流量コントローラ及びそれを備えた駆動装置 Download PDFInfo
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- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
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- 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
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
-
- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/0413—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed in one direction only, with no control in the reverse direction, e.g. check valve in parallel with a throttle valve
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- 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
- F15B13/027—Check 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
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- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
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- 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
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- 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
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- 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
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- 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
- F15B2211/40592—Assemblies of multiple valves with multiple valves in parallel flow paths
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- 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
- F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
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- 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
- F15B2211/47—Flow control in one direction only
- F15B2211/473—Flow control in one direction only without restriction in the reverse direction
-
- 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
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- 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
- F15B2211/67—Methods for controlling pilot 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
- F15B2211/70—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
- F15B2211/7053—Double-acting output members
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- 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
- F15B2211/885—Control specific to the type of fluid, e.g. specific to magnetorheological fluid
- F15B2211/8855—Compressible fluids, e.g. specific to pneumatics
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/01—Control of flow without auxiliary power
- G05D7/0126—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs
- G05D7/0133—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs within the flow-path
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/01—Control of flow without auxiliary power
- G05D7/0126—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs
- G05D7/0133—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs within the flow-path
- G05D7/014—Control of flow without auxiliary power the sensing element being a piston or plunger associated with one or more springs within the flow-path using sliding elements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
Description
22、22A…流量コントローラ 24…高圧エア供給源
28…動作切換弁 36…第1絞弁
38…第2絞弁 40…第3絞弁
42…第1流路 44…第2流路
46…パイロットエア流路 48…パイロットチェック弁
Claims (6)
- エアシリンダのポートと、前記エアシリンダに高圧エア供給源又は排気口を切り換えて接続する動作切換弁と、の間に接続される流量コントローラであって、
前記エアシリンダのポートに接続されるシリンダ側ポートと、動作切換弁に接続されるバルブ側ポートと、を有するハウジングと、
前記ハウジング内に設けられ、前記シリンダ側ポートと前記バルブ側ポートとを繋ぐ第1流路と、
前記第1流路に設けられた第1絞弁と、
前記ハウジング内に設けられ、前記第1流路に並設され、一端が前記バルブ側ポートと前記第1絞弁との間の前記第1流路に接続され、他端が前記シリンダ側ポートと前記第1絞弁との間の前記第1流路に接続された第2流路と、
前記第2流路に設けられた第2絞弁と、
前記第2流路に設けられ前記第2絞弁と直列に接続されたパイロットチェック弁と、
前記ハウジング内に設けられ、前記バルブ側ポートと前記パイロットチェック弁のパイロットポートとを接続し、前記パイロットチェック弁にパイロットエアを給排するパイロットエア流路と、
前記パイロットエア流路に設けられた第3絞弁と、を備え、
前記パイロットチェック弁は、前記パイロットエアの圧力により、前記エアシリンダから排出される排気エアの通過を許容する状態と、前記排気エアの通過を阻止する状態とに切り換え、
前記パイロットエア流路の一端が前記バルブ側ポートに連通し、前記パイロットエアの流れが前記第1流路を流れるエアと同じ方向である、流量コントローラ。 - 請求項1記載の流量コントローラであって、さらに、前記第2絞弁に設けられ、前記バルブ側ポートから前記シリンダ側ポートに向かう流れのエアを通過させるチェック弁を備える、流量コントローラ。
- 請求項1又は2記載の流量コントローラであって、前記第3絞弁は、絞弁と該絞弁に並列に配置され、前記パイロットポートに向かう流れのエアを通過させるチェック弁とを備える、流量コントローラ。
- 請求項1~3のいずれか1項に記載の流量コントローラであって、前記パイロットチェック弁は、
前記パイロットポートに連通したピストン室と、前記シリンダ側ポートに連通した逆止弁収容部と、前記ピストン室及び前記逆止弁収容部とを接続するとともに、前記第2絞弁と連通した中間部と、を有する貫通孔と、
前記ピストン室及び前記中間部に配置され、前記パイロットエアの圧力に基づいて前記逆止弁収容部に向けて突出し又は前記逆止弁収容部から前記中間部側に退避するパイロットピストンと、
前記逆止弁収容部に設けられ、前記中間部と前記逆止弁収容部との接続部分を閉塞可能に配置された弁体と、を有し、
前記弁体は、前記パイロットピストンが前記中間部側に退避した状態において、前記バルブ側ポートから前記シリンダ側ポートに向かう高圧エアを通過させ、逆向きの前記排気エアの通過を阻止するとともに、前記パイロットピストンが前記逆止弁収容部側に突出した状態において、前記高圧エア及び前記排気エアを通過させる、流量コントローラ。 - 請求項4記載の流量コントローラであって、前記パイロットチェック弁は、前記パイロットエアの圧力が所定値以上になると前記パイロットピストンが前記逆止弁収容部側に突出して前記高圧エア及び前記排気エアを通過させる、流量コントローラ。
- エアシリンダの駆動装置であって、
前記エアシリンダに高圧エアを供給する高圧エア供給源と、
前記エアシリンダの排気エアを排出する排気口と、
前記エアシリンダのポートに前記高圧エア供給源と前記排気口とを切り換えて接続する動作切換弁と、
前記動作切換弁と前記エアシリンダの前記ポートとの間に接続された流量コントローラと、を備え、前記流量コントローラは、前記エアシリンダの前記ポートに接続されるシリンダ側ポートと、前記動作切換弁に接続されるバルブ側ポートと、を有するハウジングと、
前記ハウジング内に設けられ、前記シリンダ側ポートと前記バルブ側ポートとを繋ぐ第1流路と、
前記第1流路に設けられた第1絞弁と、
前記ハウジング内に設けられ、前記第1流路に並設され、一端が前記バルブ側ポートと前記第1絞弁との間の前記第1流路に接続され、他端が前記シリンダ側ポートと前記第1絞弁との間の前記第1流路に接続された第2流路と、
前記第2流路に設けられた第2絞弁と、
前記第2流路に設けられ、前記第2絞弁と直列に接続されたパイロットチェック弁と、
前記ハウジング内に設けられ、前記バルブ側ポートと前記パイロットチェック弁のパイロットポートとを接続し、前記パイロットチェック弁にパイロットエアを給排するパイロットエア流路と、
前記パイロットエア流路に設けられた第3絞弁と、を備え、
前記パイロットチェック弁は、前記パイロットエアの圧力により、前記排気エアの通過を許容する状態と、前記排気エアの通過を阻止する状態とに切り換え、
前記パイロットエア流路の一端が前記バルブ側ポートに連通し、前記パイロットエアの流れが前記第1流路を流れるエアと同じ方向である、駆動装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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JP2019162905A JP7076686B2 (ja) | 2019-09-06 | 2019-09-06 | 流量コントローラ及びそれを備えた駆動装置 |
PCT/JP2020/029600 WO2021044781A1 (ja) | 2019-09-06 | 2020-08-03 | 流量コントローラ及びそれを備えた駆動装置 |
CN202080062582.XA CN114341507A (zh) | 2019-09-06 | 2020-08-03 | 流量控制器及具备该流量控制器的驱动装置 |
KR1020227011004A KR20220054418A (ko) | 2019-09-06 | 2020-08-03 | 유량 컨트롤러 및 그것을 구비한 구동장치 |
EP20860590.7A EP4027023A4 (en) | 2019-09-06 | 2020-08-03 | FLOW CONTROLLER AND DRIVE DEVICE EQUIPPED THEREOF |
US17/640,237 US11773879B2 (en) | 2019-09-06 | 2020-08-03 | Flow rate controller and drive device equipped with same |
TW109130235A TWI747474B (zh) | 2019-09-06 | 2020-09-03 | 流量控制器及具備該流量控制器的驅動裝置 |
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JP2019162905A JP7076686B2 (ja) | 2019-09-06 | 2019-09-06 | 流量コントローラ及びそれを備えた駆動装置 |
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US (1) | US11773879B2 (ja) |
EP (1) | EP4027023A4 (ja) |
JP (1) | JP7076686B2 (ja) |
KR (1) | KR20220054418A (ja) |
CN (1) | CN114341507A (ja) |
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JP7063436B2 (ja) * | 2019-09-06 | 2022-05-09 | Smc株式会社 | 流量コントローラ及びそれを備えた駆動装置 |
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- 2019-09-06 JP JP2019162905A patent/JP7076686B2/ja active Active
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- 2020-08-03 CN CN202080062582.XA patent/CN114341507A/zh active Pending
- 2020-08-03 EP EP20860590.7A patent/EP4027023A4/en active Pending
- 2020-08-03 KR KR1020227011004A patent/KR20220054418A/ko unknown
- 2020-08-03 US US17/640,237 patent/US11773879B2/en active Active
- 2020-09-03 TW TW109130235A patent/TWI747474B/zh active
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JP2021042768A (ja) | 2021-03-18 |
US11773879B2 (en) | 2023-10-03 |
EP4027023A4 (en) | 2023-08-09 |
KR20220054418A (ko) | 2022-05-02 |
WO2021044781A1 (ja) | 2021-03-11 |
TW202120817A (zh) | 2021-06-01 |
EP4027023A1 (en) | 2022-07-13 |
US20220316501A1 (en) | 2022-10-06 |
CN114341507A (zh) | 2022-04-12 |
TWI747474B (zh) | 2021-11-21 |
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