JP5279317B2 - 圧力制御弁 - Google Patents
圧力制御弁 Download PDFInfo
- Publication number
- JP5279317B2 JP5279317B2 JP2008091840A JP2008091840A JP5279317B2 JP 5279317 B2 JP5279317 B2 JP 5279317B2 JP 2008091840 A JP2008091840 A JP 2008091840A JP 2008091840 A JP2008091840 A JP 2008091840A JP 5279317 B2 JP5279317 B2 JP 5279317B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- valve
- valve body
- pressure chamber
- chamber
- 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.)
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
- G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
- G05D16/0644—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
- G05D16/0647—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using one membrane without spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/33—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant
- F25B41/335—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant via diaphragms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
-
- 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
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7835—Valve seating in direction of flow
- Y10T137/7836—Flexible diaphragm or bellows reactor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
- Temperature-Responsive Valves (AREA)
- Multiple-Way Valves (AREA)
Description
より好ましい態様では、前記弁体が全閉状態のときの前記密封圧力室の内容積をVmax、前記弁体が全開状態のときの前記密封圧力室の内容積をVminとして、Vmin/Vmaxが0.7以下となるように、前記密封圧力室の内容積が設定される。
図1は、本発明に係る圧力制御弁の一実施例を示す断面図であり、(A)は全閉状態、(B)は全開状態を示している。
10 弁本体
11 冷媒流入口
12 冷媒流出口
15 弁室
17 弁体
18 縦穴
20 ダイアフラム
25 密封圧力室
30 圧力応動エレメント
35 蓋状部材
37 封止栓
Claims (3)
- 棒状の弁体が接離する弁シート部を有する弁室、流入口、及び流出口が設けられた弁本体と、前記弁室の上面を画成するとともに前記弁体を開閉方向に駆動するダイアフラム及び該ダイアフラムと協同して密封圧力室を画成する蓋状部材を有する圧力応動エレメントと、を備え、
前記密封圧力室内には、熱膨張係数が所定値以下の不活性ガスのみが封入され、
前記密封圧力室の内容積は、前記弁体が冷媒の圧力により全閉状態となるときの前記密封圧力室の内容積をVmax、前記弁体が開き始める冷媒の圧力から所定圧以上高くなった全開状態のときの前記密封圧力室の内容積をVminとして、制御精度の向上や制御範囲の拡大等を図るべく、Vmin/Vmaxが0.7以下となるように設定されていることを特徴とする圧力制御弁。 - 前記不活性ガスは、窒素、ヘリウム等の不活性ガスを単一で、もしくは混合して用いることを特徴とする請求項1に記載の圧力制御弁。
- 前記弁体の上端部は、前記ダイアフラムに接合されるとともに、前記弁体に上面開口の縦穴が設けられ、前記密封圧力室を拡張すべく、前記ダイアフラムに前記密封圧力室と前記縦穴とを連通させる連通穴が形成されていることを特徴とする請求項1又は2に記載の圧力制御弁。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008091840A JP5279317B2 (ja) | 2008-03-31 | 2008-03-31 | 圧力制御弁 |
EP20090156557 EP2848878A3 (en) | 2008-03-31 | 2009-03-30 | Pressure Control Valve |
US12/385,030 US8307846B2 (en) | 2008-03-31 | 2009-03-30 | Pressure control valve |
CNA2009101340739A CN101551038A (zh) | 2008-03-31 | 2009-03-31 | 压力控制阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008091840A JP5279317B2 (ja) | 2008-03-31 | 2008-03-31 | 圧力制御弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009243607A JP2009243607A (ja) | 2009-10-22 |
JP5279317B2 true JP5279317B2 (ja) | 2013-09-04 |
Family
ID=41010586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008091840A Active JP5279317B2 (ja) | 2008-03-31 | 2008-03-31 | 圧力制御弁 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8307846B2 (ja) |
EP (1) | EP2848878A3 (ja) |
JP (1) | JP5279317B2 (ja) |
CN (1) | CN101551038A (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110150167A1 (en) * | 2009-08-28 | 2011-06-23 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Nuclear fission reactor, a vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system |
US8929505B2 (en) * | 2009-08-28 | 2015-01-06 | Terrapower, Llc | Nuclear fission reactor, vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system |
US8712005B2 (en) * | 2009-08-28 | 2014-04-29 | Invention Science Fund I, Llc | Nuclear fission reactor, a vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system |
US9269462B2 (en) | 2009-08-28 | 2016-02-23 | Terrapower, Llc | Nuclear fission reactor, a vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system |
CN102927339B (zh) * | 2012-11-19 | 2014-04-30 | 浙江爱力浦泵业有限公司 | 一种隔膜式呼吸阀 |
US9863542B2 (en) | 2013-02-01 | 2018-01-09 | Swagelok Company | Diaphragm valve with welded diaphragm seat carrier |
JP5970426B2 (ja) * | 2013-06-28 | 2016-08-17 | 株式会社鷺宮製作所 | 圧力作動弁及び圧力作動弁における設定圧力の設定方法 |
EP2952834A1 (en) | 2014-06-04 | 2015-12-09 | Danfoss A/S | Electronic expansion valve and methods for calibrating an electronic expansion valve |
CN104179667A (zh) * | 2014-08-19 | 2014-12-03 | 安徽金科橡塑制品有限公司 | 一种水泵压力控制器压力薄膜 |
SG11201901267WA (en) | 2016-08-16 | 2019-03-28 | Fisher & Paykel Healthcare Ltd | Pressure regulating valve |
KR102147693B1 (ko) * | 2016-10-28 | 2020-08-25 | 미쓰비시덴키 가부시키가이샤 | 공기 조화기 |
US11326816B2 (en) | 2017-04-13 | 2022-05-10 | Zhejiang Sanhua Automotive Components Co., Ltd. | Thermal expansion valve |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2181428A (en) * | 1936-07-27 | 1939-11-28 | Marvin H Grove | Flow regulator |
US2178876A (en) * | 1937-05-28 | 1939-11-07 | Macclatchie Mfg Company Of Cal | Valve |
US3079946A (en) * | 1959-03-02 | 1963-03-05 | Gewerk Eisenhuette Westfalia | Excess pressure valve |
US3689025A (en) * | 1970-07-30 | 1972-09-05 | Elmer P Kiser | Air loaded valve |
US3999553A (en) * | 1973-03-15 | 1976-12-28 | Bio-Medical Research, Ltd. | Bio-medical pressure control device |
DE3614564A1 (de) * | 1986-04-29 | 1987-11-05 | Daimler Benz Ag | Einspritzduese zur kraftstoffeinspritzung in den brennraum einer luftverdichtenden einspritzbrennkraftmaschine |
JPH07332807A (ja) | 1994-06-09 | 1995-12-22 | Nippondenso Co Ltd | 過冷却度制御弁および冷凍サイクル |
US6035889A (en) * | 1997-11-21 | 2000-03-14 | Raytheon Company | Low cost absolute pressure controller for plenum pressure regulation |
JP2007139208A (ja) * | 2005-11-14 | 2007-06-07 | Denso Corp | 冷凍サイクル用膨張弁 |
JP2007278563A (ja) * | 2006-04-04 | 2007-10-25 | Denso Corp | 圧力制御弁 |
JP2008020141A (ja) * | 2006-07-13 | 2008-01-31 | Denso Corp | 圧力制御弁 |
-
2008
- 2008-03-31 JP JP2008091840A patent/JP5279317B2/ja active Active
-
2009
- 2009-03-30 EP EP20090156557 patent/EP2848878A3/en not_active Withdrawn
- 2009-03-30 US US12/385,030 patent/US8307846B2/en active Active
- 2009-03-31 CN CNA2009101340739A patent/CN101551038A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP2848878A3 (en) | 2015-05-20 |
EP2848878A2 (en) | 2015-03-18 |
CN101551038A (zh) | 2009-10-07 |
JP2009243607A (ja) | 2009-10-22 |
US20090242810A1 (en) | 2009-10-01 |
US8307846B2 (en) | 2012-11-13 |
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