CA3069687C - Proportional flow control valve poppet with flow control needle - Google Patents

Proportional flow control valve poppet with flow control needle

Info

Publication number: CA3069687C
Authority: CA; Canada
Prior art keywords: poppet; flow control; valve; valve body; distal
Prior art date: 2019-01-28
Legal status (The legal status 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 status listed.): Active

Application number

CA3069687A

Other languages

English (en)

French (fr)

Other versions

CA3069687A1 (en

Inventor

Kevin C. Williams

David M. Sobka

Original Assignee

MAC Valves Inc

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.)

2019-01-28

Filing date

2020-01-23

Publication date

2026-04-07

2020-01-23 Application filed by MAC Valves Inc filed Critical MAC Valves Inc

2020-07-28 Publication of CA3069687A1 publication Critical patent/CA3069687A1/en

2026-04-07 Application granted granted Critical

2026-04-07 Publication of CA3069687C publication Critical patent/CA3069687C/en

Status Active legal-status Critical Current

2040-01-23 Anticipated expiration legal-status Critical

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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- 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
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/365—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
- F16K1/422—Valve seats attachable by a threaded connection to the housing
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/50—Preventing rotation of valve members
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
- 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
- F16K25/00—Details relating to contact between valve members and seats
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
- 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
- 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
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- 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
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
- 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
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
- 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
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
- F16K41/12—Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Lift Valve (AREA)
Electrically Driven Valve-Operating Means (AREA)

CA3069687A 2019-01-28 2020-01-23 Proportional flow control valve poppet with flow control needle Active CA3069687C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US16/258,993		2019-01-28
US16/258,993 US10935153B2 (en)	2019-01-28	2019-01-28	Proportional flow control valve poppet with flow control needle

Publications (2)

Publication Number	Publication Date
CA3069687A1 CA3069687A1 (en)	2020-07-28
CA3069687C true CA3069687C (en)	2026-04-07

Family

ID=69191976

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA3069687A Active CA3069687C (en)	2019-01-28	2020-01-23	Proportional flow control valve poppet with flow control needle

Country Status (14)

Country	Link
US (1)	US10935153B2 (2)
EP (1)	EP3686466B1 (2)
JP (1)	JP7530720B2 (2)
KR (1)	KR102859810B1 (2)
CN (1)	CN111486261B (2)
AU (1)	AU2020200555B2 (2)
BR (1)	BR102020001819B1 (2)
CA (1)	CA3069687C (2)
ES (1)	ES2904944T3 (2)
MX (1)	MX2020001121A (2)
NZ (1)	NZ761139A (2)
PL (1)	PL3686466T3 (2)
TW (1)	TWI839455B (2)
ZA (1)	ZA202000525B (2)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112879585B (zh) *	2021-01-11	2022-02-01	宁波方太厨具有限公司	可调式稳流阀及包含其的稳流控制系统
US11655912B2 (en) *	2021-01-14	2023-05-23	Hitachi Metals, Ltd.	Bellows diaphragm assembly
CN113982895B (zh) *	2021-09-13	2024-04-09	西安交通大学	一种高压隔膜压缩机用油气压随动阀及系统
US12085964B2 (en)	2021-12-03	2024-09-10	Goodrich Corporation	Smart pressure regulator for emergency evacuation inflation system
EP4190696B1 (en) *	2021-12-03	2025-05-14	Goodrich Corporation	Smart pressure regulator for emergency evacuation inflation system
EP4202271B1 (de) *	2021-12-23	2024-09-11	AVS, Ingenieur J.C. Römer GmbH	Fluidventil mit einer magnetischen antriebseinheit
US11976734B2 (en) *	2021-12-28	2024-05-07	Mac Valves, Inc.	Proportional flow control valve
CN114288517B (zh) *	2021-12-30	2024-07-09	江苏鱼跃医疗设备股份有限公司	流量控制比例阀
JP7455410B2 (ja) *	2022-03-22	2024-03-26	株式会社不二工機	電動弁および電動弁の組立方法
US20250277530A1 (en) *	2024-02-29	2025-09-04	Asco, L.P.	Press to specification solenoid valve assembly

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB769151A (en) *	1955-05-10	1957-02-27	Walter Smith	Improvements in or relating to blow-down valves for boilers
US3985333A (en)	1975-09-02	1976-10-12	Spraying Systems Co.	Solenoid valve
JPH03117176U (2) *	1990-03-15	1991-12-04
JP3106366B2 (ja)	1991-02-26	2000-11-06	清原まさ子	流体制御器
DE9218213U1 (de)	1992-10-21	1993-09-23	Deutsche Star Gmbh, 97424 Schweinfurt	Ventileinrichtung
DE4300629C1 (de) *	1993-01-13	1994-03-24	Draegerwerk Ag	Ventil mit Druckkompensation
CA2121067C (en)	1993-09-27	1997-11-11	William E. Hoehn	Valve assembly structure for a fluid stream
JP2000018773A (ja) *	1998-07-02	2000-01-18	Denso Corp	膨張弁
JP2000220757A (ja) *	1999-02-02	2000-08-08	Chiyoda Kucho Kiki Kk	電動式コントロールバルブ
JP3937029B2 (ja) *	1999-03-26	2007-06-27	株式会社鷺宮製作所	電動弁
JP2001263508A (ja)	2000-03-17	2001-09-26	Neriki:Kk	ダイヤフラム式バルブ
US7114699B2 (en) *	2001-05-31	2006-10-03	Hull Wendell C	Combination valve and regulation for use with pressurized gas cylinders, particularly oxygen cylinders
JP2003021252A (ja) *	2001-07-05	2003-01-24	Smc Corp	流量制御弁
BR0211292A (pt) *	2001-08-17	2004-08-03	Fisher Controls Int	Válvula de controle de fluido e anel de assentamento para uso em uma válvula de controle de fluido
US6971232B2 (en) *	2003-07-22	2005-12-06	Eaton Corporation	Hydraulic drive system and improved control valve assembly therefor
JP5144880B2 (ja) *	2004-10-29	2013-02-13	サーパス工業株式会社	流量調整弁
JP4237781B2 (ja) *	2006-06-29	2009-03-11	シーケーディ株式会社	流量制御弁
EA200701712A1 (ru) *	2007-06-27	2008-10-30	Александр Михайлович ДЕРЕВЯГИН	Регулирующий клапан для газовых сред
JP5435902B2 (ja) *	2008-07-07	2014-03-05	サーパス工業株式会社	流量調整弁
CN101900213B (zh) *	2010-07-09	2012-01-25	杭州浙大精益机电技术工程有限公司	带有循环的膜片式流量调节阀
JP5150009B2 (ja)	2010-08-20	2013-02-20	Ｃｋｄ株式会社	流体制御装置
JP5647844B2 (ja) *	2010-09-22	2015-01-07	株式会社不二工機	電動弁
JP5875777B2 (ja) *	2011-03-31	2016-03-02	株式会社不二工機	電動弁
US9435445B2 (en) *	2012-10-30	2016-09-06	Smc Corporation	Normally closed three-port valve
JP6119466B2 (ja) *	2013-07-03	2017-04-26	株式会社デンソー	電気式膨張弁
US10295064B2 (en)	2014-03-19	2019-05-21	Zhejiang Sanhua Co., Ltd	Electronic expansion valve
AU2015268578A1 (en)	2015-01-13	2016-07-28	Mac Valves, Inc.	Stepper Motor Operated Balanced Flow Control Valve
CN104676023A (zh) *	2015-02-10	2015-06-03	无锡智能自控工程股份有限公司	高压差微小流量阀芯结构
JP6719960B2 (ja) *	2016-04-27	2020-07-08	サーパス工業株式会社	流量調整装置
US11976734B2 (en) *	2021-12-28	2024-05-07	Mac Valves, Inc.	Proportional flow control valve

2019
- 2019-01-28 US US16/258,993 patent/US10935153B2/en active Active
2020
- 2020-01-23 CA CA3069687A patent/CA3069687C/en active Active
- 2020-01-24 AU AU2020200555A patent/AU2020200555B2/en active Active
- 2020-01-24 PL PL20153614T patent/PL3686466T3/pl unknown
- 2020-01-24 EP EP20153614.1A patent/EP3686466B1/en active Active
- 2020-01-24 JP JP2020009854A patent/JP7530720B2/ja active Active
- 2020-01-24 NZ NZ761139A patent/NZ761139A/en unknown
- 2020-01-24 ES ES20153614T patent/ES2904944T3/es active Active
- 2020-01-27 ZA ZA2020/00525A patent/ZA202000525B/en unknown
- 2020-01-28 KR KR1020200012029A patent/KR102859810B1/ko active Active
- 2020-01-28 BR BR102020001819-1A patent/BR102020001819B1/pt active IP Right Grant
- 2020-01-28 MX MX2020001121A patent/MX2020001121A/es unknown
- 2020-01-30 TW TW109102925A patent/TWI839455B/zh active
- 2020-02-01 CN CN202010077888.4A patent/CN111486261B/zh active Active

Also Published As

Publication number	Publication date
NZ761139A (en)	2022-01-28
ZA202000525B (en)	2021-01-27
JP2020122572A (ja)	2020-08-13
TWI839455B (zh)	2024-04-21
JP7530720B2 (ja)	2024-08-08
TW202041802A (zh)	2020-11-16
BR102020001819A8 (pt)	2020-08-25
EP3686466B1 (en)	2021-12-29
BR102020001819B1 (pt)	2022-11-29
AU2020200555B2 (en)	2026-01-22
US10935153B2 (en)	2021-03-02
ES2904944T3 (es)	2022-04-06
BR102020001819A2 (pt)	2020-08-11
CN111486261B (zh)	2022-04-19
AU2020200555A1 (en)	2020-08-13
CN111486261A (zh)	2020-08-04
US20200240536A1 (en)	2020-07-30
PL3686466T3 (pl)	2022-05-02
MX2020001121A (es)	2020-08-06
CA3069687A1 (en)	2020-07-28
EP3686466A1 (en)	2020-07-29
KR102859810B1 (ko)	2025-09-16
KR20200093473A (ko)	2020-08-05

Legal Events

Date	Code	Title	Description
2022-08-29	EEER	Examination request	Effective date: 20220802
2025-01-17	MFA	Maintenance fee for application paid	Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 5TH ANNIV.) - STANDARD Year of fee payment: 5
2025-01-17	U00	Fee paid	Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20250117
2025-01-17	U11	Full renewal or maintenance fee paid	Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT Effective date: 20250117 Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20250117
2025-08-12	D22	Grant of ip right intended	Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D22-D128 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: ALLOWANCE REQUIREMENTS DETERMINED COMPLIANT Effective date: 20250812
2025-08-12	W00	Other event occurred	Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT Effective date: 20250812
2025-11-13	D00	Search and/or examination requested or commenced	Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D00-D164 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: RESPONSE TO NOTICE OF ALLOWANCE Effective date: 20251113
2026-01-16	MFA	Maintenance fee for application paid	Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 6TH ANNIV.) - STANDARD Year of fee payment: 6
2026-01-16	U00	Fee paid	Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20260116
2026-01-16	U11	Full renewal or maintenance fee paid	Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20260116
2026-02-24	D22	Grant of ip right intended	Free format text: ST27 STATUS EVENT CODE: A-2-4-D10-D22-D143 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: PRE-GRANT Effective date: 20260224
2026-02-24	W00	Other event occurred	Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT Effective date: 20260224
2026-04-02	Q17	Modified document published	Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q17-Q103 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: DOCUMENT PUBLISHED Effective date: 20260402
2026-04-07	F11	Ip right granted following substantive examination	Free format text: ST27 STATUS EVENT CODE: A-4-4-F10-F11-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: GRANT BY ISSUANCE Effective date: 20260407

Publication	Publication Date	Title
CA3069687C (en)	2026-04-07	Proportional flow control valve poppet with flow control needle
US4180239A (en)	1979-12-25	Metering valves
KR20060135064A (ko)	2006-12-28	개선된 행정 거리 측정 및 유체 이음쇠들을 가진 액체디스펜싱 밸브 및 방법
WO2013012609A1 (en)	2013-01-24	Dual piston actuator and method of use
CA2756979C (en)	2015-01-20	Flow-control valve
US5441080A (en)	1995-08-15	Eccentrically rotatable sleeve type 3-way valve
US3707987A (en)	1973-01-02	Adjustable valve assembly
EP4206508B1 (en)	2026-02-25	Proportional flow control valve
AU2002352793B2 (en)	2006-07-06	Pneumatic pressure regulator assembly
EP1375986A2 (en)	2004-01-02	Precision modulating globe valve
US6481454B2 (en)	2002-11-19	Regulator with segmented body
US20060042702A1 (en)	2006-03-02	Fluted reciprocating ball valve
EP4089290B1 (en)	2024-06-19	Shutter valves
HK40024939B (en)	2022-09-30	Proportional flow control valve poppet with flow control needle
HK40024939A (en)	2020-12-18	Proportional flow control valve poppet with flow control needle
RU2825681C1 (ru)	2024-08-28	Клапан запорно-регулирующий
CN112424516A (zh)	2021-02-26	可变控制孔口阀
WO2006113714A1 (en)	2006-10-26	Precision metering valve
US6994321B2 (en)	2006-02-07	Reciprocating ball valve
GB2122313A (en)	1984-01-11	Improvements in or relating to valves
KR20050100163A (ko)	2005-10-18	밸브 구조
HK1185136B (en)	2016-07-29	Stepper motor operated balanced flow control valve
HK1185136A1 (zh)	2014-02-07	步进电动机操作平衡的流量控制阀