EP0972151A1 - Durchflussbegrenzungsventil mit einstellbarer abschliessdurchflussmenge - Google Patents
Durchflussbegrenzungsventil mit einstellbarer abschliessdurchflussmengeInfo
- Publication number
- EP0972151A1 EP0972151A1 EP98913312A EP98913312A EP0972151A1 EP 0972151 A1 EP0972151 A1 EP 0972151A1 EP 98913312 A EP98913312 A EP 98913312A EP 98913312 A EP98913312 A EP 98913312A EP 0972151 A1 EP0972151 A1 EP 0972151A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- poppet
- valve
- chamber
- orifice
- relation
- Prior art date
- 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.)
- Withdrawn
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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
Definitions
- invention relates to excess flow valves which prevent the flow of fluid or gas through a port
- valves are intended to regulate the flow of
- valve will
- a gas supply system comprises a bottle or utility gas line, or other high
- pressure gas source connected directly or through a pipe, or similar gas delivery means, to a
- the regulator unit supplies the gas at a low pressure rate to its final
- the excess flow valve is typically placed at the low-
- a typical excess flow valve comprises a sliding poppet inside a chamber capable of
- a spring is often used to urge the poppet to its open position away from the opening.
- an excess-flow check valve comprising a poppet member and a retainer member
- orifice determines the flow area for the fluid passing through the valve.
- the differential pressure increases.
- the differential pressure increases.
- Sumner patent employs a cam member which, upon rotation, adjusts the distance between its poppet member and an orifice.
- the ability to adjust said distance is limited by
- the preselected settings provided on the cam member i.e., lobes and flats. That is, for any
- shut off rate determined by the cam member might be much greater
- valve also
- Another type of externally adjustable valve referred to as a velocity fuse for a
- the Maldavs fuse includes a poppet valve assembly having an adjustment screw
- the shielded body helps to divert the flow of fluid
- the sensitivity of the valve depends on limited preset threshold
- the present invention provides an excess flow rate valve system and method for
- the excess flow rate valve is adjustable to actuate within a wide range of flow rates.
- valve system is designed to shut down the flow of the fluid, vapor, or gas if the flow rate
- the valve system is responsive
- valve system is precisely and accurately adjustable within
- valve system prevents the flow of the fluid or gas in the event of a break in a fuel line, hose,
- valve or gas substantially completely, except for a minimal allowable back pressure.
- valve can be used in
- the preferred valve comprises a sliding poppet within a chamber which can be
- a coiled spring is used to urge the poppet
- the adjustment mechanism comprises a threaded member extending through the
- the threaded member is externally
- the cam is provided on the threaded member and can be moved laterally in relation to the
- the spring keeps the poppet in its open position against the cam until the flow rate
- the valve is configured to substantially limit the rotation of the
- the top of the poppet is also provided with support arms that extend to the walls of the poppet
- spacers can be provided to adjust
- the threaded member can be adapted to be positioned on multiple fixed
- the length of the poppet can also be varied
- valve also contemplates using a tamper resistant break-
- the plug can be used to cover the head to prevent unauthorized adjustments.
- FIGURE 1 shows a longitudinal cross-section of an exemplary configuration of the
- FIGURE 2 shows a longitudinal cross-section of an exemplary configuration of the
- FIGURE 3 shows a longitudinal cross-section of an exemplary configuration of the
- FIGURES 4a, 4b and 4c show a top view, side view and bottom view, respectively, of
- FIGURES 5a, 5b and 5c show an end view, top view and side view, respectively, of
- FIGURES 6a and 6b show a side view and end view, respectively, of an exemplary
- FIGURES 7a shows a cross-section view of an exemplary configuration of a cap with
- FIGURES 7b shows a cross-section view of an exemplary configuration of a sealing cap used in the excess flow valve of the present invention
- FIGURES 8a and 8b show spacers of various widths that can be used in the excess flow valve of the present invention
- FIGURE 9 shows an exemplary assembly having multiple settings with a long poppet
- FIGURE 10 shows an exemplary assembly having multiple settings with a long
- FIGURE 11 shows an exemplary assembly having multiple settings with a long
- FIGURE 12 shows an exemplary assembly having multiple settings with a short
- FIGURE 13 shows an exemplary assembly having multiple settings with a short
- FIGURE 14 shows an exemplary assembly having multiple settings with a short
- valve system and method to regulate the flow of fluid, vapor, or gas therethrough In the
- the valve system comprises a single-chamber housing body 1 , as shown
- the body is a chamber 4 with an orifice 5 at one end.
- the orifice 5 is formed in a narrow
- portion 7 of the housing body 1 through which fluid or gas can pass from one end 2 to the
- the narrow portion 7 has a receiving portion 8 adjacent the wider portion 9 of the
- the body 1 is preferably
- each end 2 and 3 externally threaded on each end 2 and 3 so that it can be secured to a threaded pipe system
- the body 1 has an opening or bore 10 through which a threaded member 31, as
- multiple bores 10 can be provided, as will be discussed, to enable the location of the
- the housing body 1 is preferably
- a sliding poppet 11 Within the chamber 4, as shown in Figures 2 and 3, is a sliding poppet 11 and a
- coiled spring 25 extending in the longitudinal direction in relation to the axis of the housing body 1.
- the poppet 11 and spring 25 are preferably co-axially oriented within the
- the spring 25 is preferably situated in the chamber 4 such that its lower end
- the upper end 28 of the spring 25 preferably cooperates with
- spring 25 can be any conventional type, i.e., made of metal, and can be provided with a
- pre-calibrated tension as is known in the art.
- the poppet 11 is generally configured to slide within the chamber 4, preferably
- the poppet 11, shown in Figures 4a, 4b and 4c, preferably has a
- portion 12 is adapted to slide within the orifice 5 and be positioned in relation to the
- the poppet seat 15 extends outward at the top of the flange portion 12 and is preferably
- fluid or gas can pass from one end 2 to the other 3.
- the shaft portion 13 which is preferably relatively thin to reduce the overall weight of the poppet so that gravity does not
- Ribs 24 can be provided along the shaft
- the poppet 11 can be made either longer or shorter, to
- the poppet top 14 has one or more support arms 19, as shown in Figures 4a-4c.
- the support arms 19 preferably extend outward laterally to provide support for the poppet
- the support arms 19 also brace the poppet against
- the poppet's angled engagement surface Preferably located on the poppet top 14 is the poppet's angled engagement surface
- the engagement surface 17 is provided along substantially the same incline as the cam's engagement surface 39, located on adjustment cam 37 shown in Figures 5a-5c.
- the width 20 between the two support arms 19 is preferably only slightly wider than the
- chamber or orifice can also be used.
- the threaded member 31 is the threaded member 31.
- the threaded member 31, as shown in Figures 6a-6b, is the threaded member 31.
- shaft has a head 35 at one end 34 and terminates at the other end 36.
- the terminating end 36 is inserted into the notch 29 on the side of the chamber
- the head 35 is
- the head 35 is preferably an alien head, but can be a screw head, hex head, or other type
- cam 37 Positioned on the threaded member 31, as shown in Figure 3, is the cam 37.
- cam 37 as shown in Figures 5a-5c, has a threaded bore 41 adapted for rotational
- the cam's engagement surface 39 extends from the
- the angle of the two surfaces 17 and 39 and the inclined plane 60 is preferably about 45
- cam retains the movement of the poppet upward, adjusting the cam 37 in this manner sets
- Both the poppet 11, including the poppet top 14, and cam 37, can be made of
- DelrinTM made by Dupont. The material preferably withstands extreme changes in
- the poppet 11 and member 31 can be
- a sealing cap 45 is provided, as shown in Figure 7a, to seal the bore 10. It
- cap 45 can be inserted within the bore and secured thereto to provide an airtight seal.
- cap 45 is adapted with a cavity 47 adjacent to which the head 35 can be positioned wherein
- the cap helps secure the threaded member 31 within the chamber, preventing the member
- bore 49 is provided through the cap 45 so that the head 35 of the threaded member 31 can
- a bushing 50 shown in Figure 9, is
- the access bore 49 preferably has internal threads so that a separate break away
- screw 51 can be inserted therein to prevent unauthorized adjustments of the threaded
- break away screw 51 has a separate head 55, such as a screw head, alien head, hex head,
- the head 55 is supported
- a thin stem 56 which can be broken off after the valve is set and the screw 51 inserted.
- Spacers 57, 59 and 61 as shown in Figures 8a and 8b, can be provided to widen
- the spacers are preferably annular in shape to match the
- One or more spacers can be inserted into the chamber adjacent the spring,
- the spacers help to adjust the threshold flow rate by compressing the spring and adjusting its tension for any given travel
- 61 can come in various widths depending on the desired Threshold Rate ranges. Any
- system can be a multi-phase excess flow valve system.
- valve system is similar to the valve system of the first embodiment, except that it has a
- housing design 70 is shown to demonstrate the multi-phase excess flow valve system.
- system may be adjusted to accommodate for insertion of the threaded member 31 in one of
- Each position comprises a bore 10 and associated notch 29, as shown in Figures 9-
- Each position 63, 64 and 65 is located at a
- multiple phase design valve system can be used to achieve virtually any desired range of
- Threshold Rates Although three positions are illustrated herein, it will be appreciated that 2, 4, 5 or more positions can similarly be provided, depending on the range of desired flow
- valve system In its open position, the valve system regulates the flow of the fluid or gas from an
- the cam 37 can be laterally displaced in a direction
- engagement surface 39 is designed to slide in relation to the poppet's
- the valve system can be set to virtually any Threshold Rate.
- valve system may be used to regulate the flow of gas into a house
- the maximum gas consumption rate (the rate at which all gas-
- Rate is set to a desired level, e.g., about 10% higher than the maximum consumption rate. This is preferably done by a professional using a flowmeter. Hence, if the maximum
- Threshold Rate is set at around 110,000 BTUs by adjusting a pre-calibrated threaded
- valve system causing the valve system to shut down the supply of gas into the house, thereby
- Figure 2 shows a cross-sectional view of an exemplary configuration of the excess
- the poppet 11 is guided by the two or more guiding fins 16 and/or support arms 19.
- the support arms 19 on the poppet top 14 ensure that the poppet slides longitudinally inside
- the support arms 19 also help to stabilize the housing body 1 during its up and down motion.
- the support arms 19 also help to stabilize the housing body 1 during its up and down motion.
- poppet top 14 can cause the support arms 19 to bind with the chamber 4 wall, when setting
- valve care should be taken to release the poppet by reversing the threaded member 31
- the range of threshold flow rates for natural gas can be extended from between about 30,000 BTU's to about 1.5 million BTU's.
- Assembly No. 1 The assembly shown in Figure 9 employs a standard size poppet
- BTU's for natural gas and about 47,000 to 944,000 BTU's for liquid petroleum.
- Assembly No. 2 The assembly shown in Figure 10 employs a standard size poppet
- Assembly No. 3 The assembly shown in Figure 11 employs a standard size poppet
- Assembly No. 4 The assembly shown in Figure 12 employs a shorter poppet 69
- the operating range using the adjustment mechanism of the present invention for this assembly is about 75,000 to 980,000
- BTU's for natural gas and about 119,000 to 1,561,000 BTU's for liquid petroleum.
- Assembly No. 5 The assembly shown in Figure 13 employs a shorter poppet 69
- Assembly No. 6 The assembly shown in Figure 14 employs a shorter poppet 69
- adjustment mechanism of the present invention for this assembly is about 54,000 to 851,000
- BTU's for natural gas and about 86,000 to 1,354,000 BTU's for liquid petroleum.
- threshold ranges can be varied further by changing the position of the threaded member 31 .
- the adjustment mechanism can also be adjusted, if desired.
- Threshold Rate as in standard valves, one or more of the adjustment steps discussed above can be employed.
- one or more spacers can be employed.
- the multiple-phase settings can also be used to widen
- Threshold Rates that are possible for any given size of housing body.
- the poppet itself can be changed to adjust the travel distance of the poppet and
- the valve is then set using the adjustment mechanism to the
- Threshold Rate by turning the threaded member 31 to a predetermined position, i.e.,
- the system was designed to simulate conditions
- Threshold Rate set at approximately 64,000 BTU's for natural gas (or 50 SCFH), the valve
- Threshold Rate was set at approximately 128,000 BTU's for
- the valve typically shuts off when the hole is smaller, i.e., half the size as the one
- present valve is able to detect small as well as large leaks without confusing small leaks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Safety Valves (AREA)
- Mechanically-Actuated Valves (AREA)
- Feeding And Controlling Fuel (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4259697P | 1997-04-01 | 1997-04-01 | |
US42596P | 1997-04-01 | ||
US4745797P | 1997-05-22 | 1997-05-22 | |
US47457P | 1997-05-22 | ||
US995009 | 1997-12-19 | ||
US08/995,009 US6019115A (en) | 1997-12-19 | 1997-12-19 | Safety excess flow valve system with adjustable closing flow rate settings |
PCT/US1998/006274 WO1998044283A1 (en) | 1997-04-01 | 1998-04-01 | Safety excess flow valve system with adjustable closing flow rate settings |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0972151A1 true EP0972151A1 (de) | 2000-01-19 |
Family
ID=27366164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98913312A Withdrawn EP0972151A1 (de) | 1997-04-01 | 1998-04-01 | Durchflussbegrenzungsventil mit einstellbarer abschliessdurchflussmenge |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0972151A1 (de) |
KR (1) | KR20010005948A (de) |
CN (1) | CN1134603C (de) |
AU (1) | AU6789498A (de) |
BR (1) | BR9807910A (de) |
IL (1) | IL132130A0 (de) |
NZ (1) | NZ500060A (de) |
TR (1) | TR199903301T2 (de) |
WO (1) | WO1998044283A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1107183C (zh) * | 1999-05-20 | 2003-04-30 | 沈锝桓 | 储压筒流量调节阀 |
BR112013008747B1 (pt) * | 2010-10-12 | 2021-05-25 | Honda Patents & Technologies North America, Llc | sistema hidráulico para uma aeronave e método de operação de um sistema de freio |
CN102678986A (zh) * | 2012-04-27 | 2012-09-19 | 海安县百协锻锤有限公司 | 压差可调防爆阀 |
CN103322252B (zh) * | 2013-01-25 | 2015-06-03 | 谭仲禧 | 一种中央空调系统用调节阀 |
US8701715B1 (en) * | 2013-02-01 | 2014-04-22 | Quick Fitting, Inc. | Flow check valve assembly and method |
CN105003696B (zh) * | 2015-07-20 | 2017-03-22 | 林建州 | 具有压力缓冲功能的压力调节活塞 |
DE102016006887A1 (de) * | 2016-06-03 | 2017-12-07 | Fresenius Medical Care Deutschland Gmbh | Dialysegerät und Konstantflussdrossel |
GB2567424B (en) * | 2017-10-05 | 2020-08-26 | Delphi Automotive Systems Lux | Fluid pressure regulator |
CN109084062B (zh) * | 2018-09-06 | 2020-05-12 | 武汉新芯集成电路制造有限公司 | 一种用于液体管路的稳压阀 |
CN112664692A (zh) * | 2021-01-12 | 2021-04-16 | 梁众福 | 一种具有多级调压功能的溢流阀 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2668555A (en) * | 1951-04-07 | 1954-02-09 | Albert F Bartolat | Excess flow cutoff valve with adjustable valve seat |
DE1026591B (de) * | 1956-09-10 | 1958-03-20 | Zulauf & Cie K G | Rohrbruchventil fuer Rohr- und Schlauchleitungen |
BE677960A (de) * | 1966-03-16 | 1966-09-01 | ||
US3807442A (en) | 1972-03-08 | 1974-04-30 | Fisher Controls Co | Excess flow check valve with variable closing flow rate |
US4093001A (en) * | 1976-03-29 | 1978-06-06 | Ab Kalle-Regulatorer | Excess flow valve |
SE414822B (sv) * | 1978-11-22 | 1980-08-18 | Lissmyr Per Olof | Anordning vid ventil med styrd oppningsanordning |
US4383549A (en) | 1981-04-22 | 1983-05-17 | Imperial Clevite Inc. | Adjustable velocity fuse for hydraulic line |
JP2663226B2 (ja) * | 1992-08-03 | 1997-10-15 | 日本フローセル製造株式会社 | 定流量弁 |
-
1998
- 1998-04-01 BR BR9807910-7A patent/BR9807910A/pt not_active Application Discontinuation
- 1998-04-01 CN CNB988038609A patent/CN1134603C/zh not_active Expired - Fee Related
- 1998-04-01 TR TR1999/03301T patent/TR199903301T2/xx unknown
- 1998-04-01 EP EP98913312A patent/EP0972151A1/de not_active Withdrawn
- 1998-04-01 WO PCT/US1998/006274 patent/WO1998044283A1/en not_active Application Discontinuation
- 1998-04-01 KR KR1019997009025A patent/KR20010005948A/ko not_active Application Discontinuation
- 1998-04-01 NZ NZ500060A patent/NZ500060A/en unknown
- 1998-04-01 AU AU67894/98A patent/AU6789498A/en not_active Abandoned
- 1998-04-01 IL IL13213098A patent/IL132130A0/xx unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9844283A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20010005948A (ko) | 2001-01-15 |
NZ500060A (en) | 2002-02-01 |
CN1134603C (zh) | 2004-01-14 |
CN1251642A (zh) | 2000-04-26 |
TR199903301T2 (xx) | 2000-04-21 |
BR9807910A (pt) | 2000-02-22 |
AU6789498A (en) | 1998-10-22 |
WO1998044283A1 (en) | 1998-10-08 |
IL132130A0 (en) | 2001-03-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6019115A (en) | Safety excess flow valve system with adjustable closing flow rate settings | |
CA2421346C (en) | Gas flow monitoring device | |
US6634375B2 (en) | Leak arresting valve | |
US7140386B2 (en) | Surge suppression and safety cut-off valve | |
US6941962B2 (en) | Convertible control device capable of regulating fluid pressure for multiple fluid types and associated method of use | |
US4791956A (en) | Constant flow valve | |
US4383552A (en) | Adjustable choke | |
US4217931A (en) | Adjustable check valve | |
US2867234A (en) | Pressure regulator safety valve | |
US4880030A (en) | Safety flow control fluid shutoff device | |
US6508406B1 (en) | Fail-safe proportional mixing valve | |
EP0972151A1 (de) | Durchflussbegrenzungsventil mit einstellbarer abschliessdurchflussmenge | |
EP3365742B1 (de) | Druckregelvorrichtung mit variablem hubanschlag | |
US20030131884A1 (en) | Regulator with erosion resistant seal assemblies | |
US5082239A (en) | Radial flow valve assembly | |
JP2615111B2 (ja) | 自動流体流遮断装置 | |
US3479006A (en) | Balanced rotary valve | |
US3411530A (en) | Pressure operated pop valve | |
US4112959A (en) | Adjustable check valve | |
US3807442A (en) | Excess flow check valve with variable closing flow rate | |
US3406712A (en) | Pressure operated snap acting valve | |
CN210069096U (zh) | 流体调节器和调节进入流体调节器加载腔室的流速的装置 | |
US10317917B2 (en) | Fluid control apparatus having variable area flow restrictor | |
CN112032384A (zh) | 一种自动调节流量稳定的安全阀 | |
MXPA99009020A (en) | Safety excess flow valve system with adjustable closing flow rate settings |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19991028 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SANDERS VALVE CORPORATION |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 20000704 |