HK1137795A1 - Fluid control valve system and methods - Google Patents

Fluid control valve system and methods

Info

Publication number
HK1137795A1
HK1137795A1 HK10102610.4A HK10102610A HK1137795A1 HK 1137795 A1 HK1137795 A1 HK 1137795A1 HK 10102610 A HK10102610 A HK 10102610A HK 1137795 A1 HK1137795 A1 HK 1137795A1
Authority
HK
Hong Kong
Prior art keywords
methods
control valve
fluid control
valve system
fluid
Prior art date
Application number
HK10102610.4A
Other languages
English (en)
Inventor
Yoram Ringer
Roger S Wilkins
Boris Frenkel
Original Assignee
Tyco Fire Products Lp
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 Tyco Fire Products Lp filed Critical Tyco Fire Products Lp
Publication of HK1137795A1 publication Critical patent/HK1137795A1/xx

Links

Classifications

    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
    • F16K7/126—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm the seat being formed on a rib perpendicular to the fluid line
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/68—Details, e.g. of pipes or valve systems
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
    • F16K31/1266—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like one side of the diaphragm being acted upon by the circulating fluid
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
    • F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
    • F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0324—With control of flow by a condition or characteristic of a fluid
    • Y10T137/0379—By fluid pressure
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7764—Choked or throttled pressure type
    • Y10T137/7768—Pilot controls supply to pressure chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Driven Valves (AREA)
  • Check Valves (AREA)
HK10102610.4A 2006-10-20 2010-03-12 Fluid control valve system and methods HK1137795A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US86230506P 2006-10-20 2006-10-20
US88704007P 2007-01-29 2007-01-29
PCT/US2007/082006 WO2008051871A2 (en) 2006-10-20 2007-10-19 Fluid control valve system and methods

Publications (1)

Publication Number Publication Date
HK1137795A1 true HK1137795A1 (en) 2010-08-06

Family

ID=39325287

Family Applications (1)

Application Number Title Priority Date Filing Date
HK10102610.4A HK1137795A1 (en) 2006-10-20 2010-03-12 Fluid control valve system and methods

Country Status (13)

Country Link
US (5) US8616234B2 (xx)
EP (3) EP2082154B1 (xx)
KR (1) KR20090074243A (xx)
CN (1) CN101548122B (xx)
AU (1) AU2007309115B2 (xx)
CA (1) CA2667120C (xx)
DK (1) DK2082154T3 (xx)
ES (2) ES2629433T3 (xx)
HK (1) HK1137795A1 (xx)
IL (2) IL198174A (xx)
PL (1) PL3217051T3 (xx)
RU (1) RU2009118912A (xx)
WO (1) WO2008051871A2 (xx)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8776903B2 (en) * 2004-10-26 2014-07-15 The Reliable Automatic Sprinkler Co., Inc. Lodgment prevention arrangements for fire sprinklers
PL1948326T3 (pl) 2005-10-21 2016-12-30 Suche, wyłącznie sufitowe układy tryskaczy i sposoby zwalczania pożarów przestrzeni składowania
DK2082154T3 (en) * 2006-10-20 2017-07-31 Tyco Fire Products Lp FLUID CONTROL AND PROCEDURE VALVE SYSTEM
US9383406B2 (en) 2009-11-30 2016-07-05 Essai, Inc. Systems and methods for conforming device testers to integrated circuit device with pressure relief valve
US9068664B2 (en) * 2010-06-07 2015-06-30 Bermad Cs Ltd. Hydraulic torrent control valve
WO2012112808A2 (en) 2011-02-16 2012-08-23 Tyco Fire Products Lp Dry pilot actuator
DE202011004671U1 (de) 2011-03-31 2011-06-09 Bürkert Werke GmbH, 74653 Membranventil
US8740177B2 (en) 2011-07-05 2014-06-03 Rain Bird Corporation Eccentric diaphragm valve
US8851195B2 (en) * 2011-08-08 2014-10-07 The Reliable Automatic Sprinkler Co., Inc. Differential dry pipe valve
ITUD20120019A1 (it) * 2012-02-07 2013-08-08 S R L Sa "valvola"
JP5964139B2 (ja) 2012-05-30 2016-08-03 株式会社フジキン ダイヤフラム及びダイヤフラム弁
AU2013267123B2 (en) * 2012-05-31 2017-06-01 Engineered Corrosion Solutions, Llc Electrically operated gas vents for fire protection sprinkler systems and related methods
US9243718B2 (en) * 2012-08-27 2016-01-26 Itt Manufacturing Enterprises Llc. Diaphragm valve having spherically-shaped valve body and diaphragm sealing surface
DE102013101497A1 (de) * 2013-02-14 2014-08-28 Bürkert Werke GmbH Membranventilgehäuse und Verfahren zum Herstellen eines Membranventilgehäuses
EP2971886B1 (en) * 2013-03-14 2017-02-01 Tyco Fire Products LP Fluid control valve system and methods
US9506785B2 (en) 2013-03-15 2016-11-29 Rain Bird Corporation Remote flow rate measuring
US9587750B2 (en) * 2013-03-15 2017-03-07 Tyco Fire Products Lp Fluid control valve system and methods
CA2929396C (en) 2013-11-04 2021-11-23 Tyco Fire Products Lp Integrated fluid control valve and valve actuator assembly
HUE039437T2 (hu) * 2013-11-04 2018-12-28 Tyco Fire Products Lp Integrált fluidum vezérlõszelep és szelepmûködtetõ szerelvény
US9574673B2 (en) * 2014-02-06 2017-02-21 Yoram Ringer Valve for fire protection
ES2837083T3 (es) * 2014-05-28 2021-06-29 Alberto Lodolo Válvula hidráulica servoaccionada con un montaje simplificado
EP3174607B1 (en) 2014-08-01 2024-05-29 The Reliable Automatic Sprinkler Co. Inc. Horizontal sidewall sprinkler
AU2015301275B2 (en) * 2014-08-04 2020-06-11 Tyco Fire Products Lp Fluid control assemblies for sprinkler systems
CN105485369A (zh) * 2014-09-18 2016-04-13 江苏开能华宇环保设备有限公司 一种新型v型隔膜阀
CN104405920A (zh) * 2014-09-19 2015-03-11 孙维 一种防漏隔膜阀
WO2016069800A1 (en) * 2014-10-28 2016-05-06 Essai, Inc. Systems and methods for conforming device testers to integrated circuit device with pressure relief valve
CN104565429A (zh) * 2015-01-05 2015-04-29 宁波耀峰液压电器有限公司 一种电控减压输水阀
CN104565430A (zh) * 2015-01-07 2015-04-29 宁波耀峰液压电器有限公司 一种减压输水阀
CN104806800A (zh) * 2015-02-13 2015-07-29 宁波耀峰液压电器有限公司 一种减压输水阀
CN104847481B (zh) * 2015-04-01 2017-10-27 武汉理工大学 气压储能式涡轮增压装置
EP3291888B1 (en) 2015-05-06 2019-04-24 Tyco Fire Products LP Integrated fluid control valve and valve actuator assembly
IL246151B (en) 2016-06-09 2021-02-28 Dorot Man Control Valves Ltd From a diaphragm body and its diaphragm
US10634538B2 (en) 2016-07-13 2020-04-28 Rain Bird Corporation Flow sensor
CN108121128B (zh) * 2016-11-30 2023-07-11 北京航天计量测试技术研究所 一种新型高速水冷快门
WO2018111673A1 (en) 2016-12-13 2018-06-21 Tyco Fire Products Lp Diaphragm for fluid control valve and methods of fluid control
DE102017112667A1 (de) * 2017-06-08 2018-12-13 Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft Mehrwege-Ventilkörper und Verfahren zum Herstellen des Mehrwege-Ventilkörpers
IT201700093098A1 (it) * 2017-08-10 2019-02-10 Alberto Lodolo Valvola idraulica servo-attuata compatta
US10473494B2 (en) 2017-10-24 2019-11-12 Rain Bird Corporation Flow sensor
US10677238B2 (en) * 2017-11-08 2020-06-09 Ingersoll-Rand Industrial U.S., Inc. Filled resin layer separated pump housing
RU182432U1 (ru) * 2018-02-13 2018-08-16 Закрытое акционерное общество "Производственное объединение "Спецавтоматика" (ЗАО "ПО "Спецавтоматика") Узел управления дренчерный с комбинированным приводом
CA3113384A1 (en) * 2018-10-05 2020-04-09 Tyco Fire Products Lp Electronic accelerator for automatic water control valves
CN109630748A (zh) * 2018-12-04 2019-04-16 锦阳消防科技有限公司 火灾自动报警阀装置
WO2020132355A1 (en) 2018-12-20 2020-06-25 Minimax Viking Research & Development Gmbh Pilot actuator for actuating a control valve
CN217130476U (zh) 2018-12-20 2022-08-05 米尼麦克斯维京研发有限公司 先导致动器和灭火系统
US11662242B2 (en) 2018-12-31 2023-05-30 Rain Bird Corporation Flow sensor gauge
WO2020226557A1 (en) * 2019-05-09 2020-11-12 Delaval Holding Ab A membrane for a moving a valve disk of a control valve, and a control valve
US11187334B2 (en) * 2019-06-13 2021-11-30 Tyco Fire Products Lp Manual reset actuator for diaphragm control valve
DE102020100745A1 (de) * 2020-01-14 2021-07-15 Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft Membran und Membranventil
CN111306305A (zh) * 2020-03-06 2020-06-19 广东永泉阀门科技有限公司 一种预作用报警阀阀座内置的阀门结构
CN115812133A (zh) * 2020-05-04 2023-03-17 阿奎蒂亚有限公司 液压操作阀和用于其的系统
RU201385U1 (ru) * 2020-06-08 2020-12-11 Закрытое акционерное общество "Производственное объединение "Спецавтоматика" Узел управления дренчерный с пневмоприводом
WO2022026703A1 (en) * 2020-07-31 2022-02-03 Viking Group, Inc. Fluid control valve assembly for fire protection systems
USD975365S1 (en) * 2020-10-09 2023-01-10 Viking Group, Inc. Cover of a fluid control valve assembly for fire protection systems
WO2023084507A1 (en) * 2021-11-10 2023-05-19 Aquestia Ltd Diaphragm valve incorporating an alarm port
DE102022109061A1 (de) * 2022-04-13 2023-10-19 Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft Ventilkörper, Verfahren zum Betreiben des Ventilkörpers und Prozessventil

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB527938A (en) 1939-04-24 1940-10-18 Saunders Valve Co Ltd Improvements in and relating to fluid controlling valves
US3083943A (en) * 1959-07-06 1963-04-02 Anbrey P Stewart Jr Diaphragm-type valve
CH532738A (de) 1971-08-18 1973-01-15 Fischer Ag Georg Fernsteuerbares Membranventil
DE2648751C2 (de) * 1976-10-27 1986-04-30 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Vorrichtung für die Zuführung flüssiger oder gasförmiger Substanzen zu einem Verarbeitungsgefäß
GB2040407A (en) * 1979-01-09 1980-08-28 Saunders Valve Co Ltd Diaphragm valves
IT215751Z2 (it) * 1989-03-07 1990-11-05 Carraro S R L Valvola di regolazione.
US4901751A (en) * 1989-06-15 1990-02-20 Systems Chemistry, Inc. Fluid control valve and system with leak detection and containment
DE69109031D1 (de) * 1990-09-18 1995-05-24 Barry William Northill Anlage zur Brandunterdrückung.
US5476118A (en) * 1991-02-22 1995-12-19 Asahi Yukizai Kogyo Co., Ltd. Non-stagnant piping system
DE4231343A1 (de) * 1992-09-18 1994-03-24 Mueller Apparatebau Gmbh & Co Kunststoffkörper
IL104235A (en) * 1992-12-25 1997-11-20 Bermad Fa Valve particularly useful in fire extinguishing systems
US5333643A (en) * 1993-03-24 1994-08-02 South Bend Controls, Inc. Solenoid valve
IL105562A (en) * 1993-04-30 1998-09-24 Raphael Valves Ind 1975 Ltd Diaphragm for valves
SE501377C2 (sv) * 1993-06-17 1995-01-30 Ingvar Baecklund Trevägs membranventilanordning
US5857486A (en) * 1996-09-24 1999-01-12 1219737 Ontario Inc. Pressure relief or back pressure valve
IL119963A (en) 1997-01-05 2003-02-12 Raphael Valves Ind 1975 Ltd Spring diaphragm for shut-off valves and regulators
US6508266B2 (en) * 2000-03-31 2003-01-21 Toyo Stainless Steel Industries Co., Ltd. Diaphragm valve
US6209654B1 (en) * 2000-07-19 2001-04-03 Mac Curless Deluge fire sprinkler system
US6848513B2 (en) * 2002-05-17 2005-02-01 The Viking Corporation Fire protection valve trim assembly system
IL156797A (en) * 2003-07-06 2007-06-17 Raphael Valves Ind 1975 Ltd Diaphragm and hydraulically-operated valve using same
PL1948326T3 (pl) * 2005-10-21 2016-12-30 Suche, wyłącznie sufitowe układy tryskaczy i sposoby zwalczania pożarów przestrzeni składowania
DK2082154T3 (en) * 2006-10-20 2017-07-31 Tyco Fire Products Lp FLUID CONTROL AND PROCEDURE VALVE SYSTEM

Also Published As

Publication number Publication date
EP2082154B1 (en) 2017-04-19
US10082212B2 (en) 2018-09-25
IL230936B (en) 2018-03-29
AU2007309115B2 (en) 2014-07-10
DK2082154T3 (en) 2017-07-31
CN101548122A (zh) 2009-09-30
US20140077108A1 (en) 2014-03-20
AU2007309115A1 (en) 2008-05-02
ES2792060T3 (es) 2020-11-06
EP3217051B1 (en) 2020-03-04
IL230936A0 (en) 2014-03-31
EP2082154A2 (en) 2009-07-29
US11009137B2 (en) 2021-05-18
CA2667120A1 (en) 2008-05-02
CA2667120C (en) 2015-04-07
PL3217051T3 (pl) 2020-08-24
ES2629433T3 (es) 2017-08-09
IL198174A (en) 2014-03-31
CN101548122B (zh) 2012-11-28
RU2009118912A (ru) 2010-11-27
EP2082154A4 (en) 2012-12-26
WO2008051871A3 (en) 2008-10-16
EP3217051A1 (en) 2017-09-13
US20190162318A1 (en) 2019-05-30
US20100071776A1 (en) 2010-03-25
WO2008051871A2 (en) 2008-05-02
US20210341066A1 (en) 2021-11-04
US8616234B2 (en) 2013-12-31
WO2008051871A8 (en) 2009-06-11
IL198174A0 (en) 2009-12-24
US9657849B2 (en) 2017-05-23
US20170198819A1 (en) 2017-07-13
EP3745004A1 (en) 2020-12-02
EP3745004B1 (en) 2023-01-11
KR20090074243A (ko) 2009-07-06

Similar Documents

Publication Publication Date Title
HK1137795A1 (en) Fluid control valve system and methods
ZA200900844B (en) Method for flow control and autonomous valve or flow control device
GB2479663B (en) Well control systems and associated methods
EP2038718A4 (en) METHOD AND SYSTEM FOR CONTROLLING A FLOW CONTROL VALVE
GB2428438B (en) Well flow control systems and methods
EP2350423A4 (en) SYSTEMS AND METHODS FOR CONTROLLING WELL FLOW
IL199800A0 (en) Flow control valve
TWI367291B (en) Flow control valve
GB2437969B (en) Flow control systems
TWI347417B (en) Fluid control valve
EP2081734A4 (en) REGULATING VALVE OF SUBSTANCES
GB2464283B (en) Fluid flow control system and method
EP2021892A4 (en) FLOW CONTROL VALVE
GB0723827D0 (en) Flow control valve
EP2016316A4 (en) CONTROL VALVE
EP1987279A4 (en) VALVE FOR REGULATING THE FLOW OF WATER
EP2213381A4 (en) REVERSE VALVE SYSTEM AND METHOD FOR CONTROLLING THE VALVE CLOSURE OPERATION
GB2454129B (en) Control line reducing hydraulic control system and control valve therefor
GB0619627D0 (en) Fluid control valve
ZA200903296B (en) Fluid level control valve
GB0616168D0 (en) Flow control valves
GB2480385B (en) Well control systems and associated methods
GB2443511B (en) Flushing system and directional valve
GB0509391D0 (en) Valve and controlled flow system
GB0602580D0 (en) Fluid flow control system

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20211021