JP4429931B2 - 開度調整弁 - Google Patents
開度調整弁 Download PDFInfo
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- JP4429931B2 JP4429931B2 JP2005029921A JP2005029921A JP4429931B2 JP 4429931 B2 JP4429931 B2 JP 4429931B2 JP 2005029921 A JP2005029921 A JP 2005029921A JP 2005029921 A JP2005029921 A JP 2005029921A JP 4429931 B2 JP4429931 B2 JP 4429931B2
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- 239000003507 refrigerant Substances 0.000 claims description 32
- 230000007423 decrease Effects 0.000 claims description 13
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000010349 pulsation Effects 0.000 description 17
- 230000002093 peripheral effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
- F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
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- 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
-
- 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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/08—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage
- F16K17/082—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage with piston
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/246—Combination of a sliding valve and a lift 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/34—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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
- F16K47/10—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths in which the medium in one direction must flow through the throttling channel, and in the other direction may flow through a much wider channel parallel to the throttling channel
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- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/1863—Controlled by crankcase pressure with an auxiliary valve, controlled by
- F04B2027/1881—Suction pressure
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/076—Details of compressors or related parts having multiple cylinders driven by a rotating swash plate
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Description
特許文献1の開度調整弁は、空調装置を流れる冷媒の低流量時に、圧縮機吸入弁の自励振動に起因する吸入圧力脈動が、蒸発器出口から圧縮機吸入室に至る冷媒回路を通り蒸発器に伝播して騒音を発生させるのを、蒸発器出口から圧縮機吸入室に至る冷媒回路の開度を絞ることにより防止すると共に、開度調整弁の弁体を弁座に着座させて開度調整弁の弁体の自励振動を防止し、当該自励振動に起因する吸入圧力脈動をも防止するものである。
本発明は上記問題に鑑みてなされたものであり、圧縮機、凝縮器、膨張機構、蒸発器を順次接続して成る空調装置に使用され、蒸発器出口から圧縮機吸入室に至る冷媒回路の開度を、冷媒流量の増減に応じて増減させる開度調整弁であって、弁体が着座する弁座を挟んで配設された入口開口と出口開口とを有し、出口開口面積は弁体が弁座に着座している時に零よりも大きな最小面積になる開度調整弁において、低流量時に圧縮機吸入弁の自励振動に起因する吸入圧力脈動の蒸発器への伝播を効果的に防止できると共に、自らの弁体の自励振動も防止できる開度調整弁を提供することを目的とする。
上記開度調整弁は、構成が単純であり、製造コストが安価である。
可変容量圧縮機は、吐出容量が小さい低流量域で運転される場合があるので、本発明に係る開度調整弁の吸入圧力脈動低減効果が期待できる。
斜板12の周縁部に摺接する一対のシュー14を介してピストン15が斜板12に係留されている。ピストン15は、シリンダブロック16に形成されたシリンダボア16aに挿入されている。
周方向に互いに間隔を隔てて、複数のピストン15が配設されている。
主軸10の先端部に固定されたプーリー20が図示しないベルトを介して、図示しない車両エンジンに連結されている。
シリンダブロック16とシリンダヘッド23との間にボア16aに連通する吸入穴25aと吐出穴25bとが形成された弁板25が配設されている。リード弁形式の吸入弁26と吐出弁27とが弁板25に装着されている。
弁板25に形成されたオリフィス孔25aを介して、クランク室17と吸入室21とが連通している。
車載空調装置の蒸発器から吸入ポート24と吸入室21と吸入穴25aと吸入弁26とを通ってシリンダボア16aに冷媒ガスが吸引され、シリンダボア16aから吐出穴25bと吐出弁27と吐出室22と吐出ポートとを通って車載空調装置の凝縮器へ冷媒ガスが吐出する。吐出容量制御弁Bの作動により、吐出室22内高圧冷媒ガスのクランク室17への導入が切り入りされ、クランク室17の内圧が可変制御されて斜板12の傾角が可変制御されて、可変容量斜板式圧縮機Aの吐出容量が可変制御される。
図2、3に示すように、開度調整弁30は、入口開口31aと弁座31bとが形成された円環状の弁座部材31と、周側壁に複数の出口開口32aが形成された有底円筒状のケース部材32と、ケース部材32に摺動可能に内嵌合する有底円筒状の弁体33と、ケース部材32に収容され弁体33を弁座31bへ向けて付勢するバネ34とを備えている。弁体33は、吸入ポート24側から弁体33に印加される圧力(一次圧)と吸入室21側から弁体33に印加される圧力(二次圧)との差圧に応じてケース部材32内を周側壁に沿って軸線方向へ移動する。前記差圧が大きいと弁体33のリフト量が増加し、前記差圧が小さいと弁体33のリフト量が減少する。
弁座部材31には止着部31cが形成されており、止着部31cがシリンダヘッド23に形成された被止着部23aに圧入されて開度調整弁30がシリンダヘッド23に固定されている。
従って開度調整弁30は、空調装置を流れる冷媒の低流量時に、圧縮機吸入弁26の自励振動に起因する吸入圧力脈動が、空調装置の蒸発器出口から吸入ポート24を通って圧縮機吸入室21に至る冷媒回路を通り蒸発器に伝播して騒音を発生させるのを、蒸発器出口から吸入ポート24を通って圧縮機吸入室21に至る冷媒回路の開度を絞ることにより防止すると共に、開度調整弁30の弁体33を弁座31bに着座させて弁体33の自励振動を防止し、当該自励振動に起因する吸入圧力脈動をも防止するものである。
B 吐出容量制御弁
21 吸入室
24 吸入ポート
26 吸入弁
30 開度調整弁
31 弁座部材
32 ケース部材
33 弁体
34 バネ
Claims (4)
- 圧縮機、凝縮器、膨張機構、蒸発器を順次接続して成る空調装置に使用され、蒸発器出口から圧縮機吸入室に至る冷媒回路の開度を、冷媒流量の増減に応じて増減させる開度調整弁であって、弁体が着座する弁座を挟んで配設された入口開口と出口開口とを有し、出口開口面積は弁体が弁座に着座している時に零よりも大きな最小面積になる開度調整弁において、弁体のリフト量を横軸に出口開口面積を縦軸に取った座標上において、弁体リフト量の増加と共に下に凸の曲線を描いて出口開口面積が最小面積から増加するように、出口開口の形状が設定され、前記最小面積が、空調装置を流れる冷媒の低流量時に、弁座から離座した弁体の自励振動を防止できる値に設定されていることを特徴とする開度調整弁。
- 出口開口は、一つの頂点を弁座方向へ差し向けた三角形であることを特徴とする請求項1に記載の開度調整弁。
- 入口開口と弁座とが形成された環状の弁座部と、側壁に出口開口が形成された有底筒状のケース部と、ケース部に摺動可能に内嵌合する弁体と、ケース部内に収容され弁体を弁座へ向けて付勢するバネとを備えることを特徴とする請求項1又は2に記載の開度調整弁。
- 請求項1乃至3の何れか1項に記載の開度調整弁を、吸入ポートと吸入室との接続部に備えることを特徴とする可変容量圧縮機。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005029921A JP4429931B2 (ja) | 2005-02-07 | 2005-02-07 | 開度調整弁 |
FR0601034A FR2881818B1 (fr) | 2005-02-07 | 2006-02-06 | Soupape de commande d'ouverture. |
DE102006005535A DE102006005535B4 (de) | 2005-02-07 | 2006-02-07 | Öffnungssteuerungsventil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005029921A JP4429931B2 (ja) | 2005-02-07 | 2005-02-07 | 開度調整弁 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006214396A JP2006214396A (ja) | 2006-08-17 |
JP2006214396A5 JP2006214396A5 (ja) | 2009-04-16 |
JP4429931B2 true JP4429931B2 (ja) | 2010-03-10 |
Family
ID=36709935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005029921A Expired - Fee Related JP4429931B2 (ja) | 2005-02-07 | 2005-02-07 | 開度調整弁 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4429931B2 (ja) |
DE (1) | DE102006005535B4 (ja) |
FR (1) | FR2881818B1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4706617B2 (ja) | 2006-11-03 | 2011-06-22 | 株式会社豊田自動織機 | 圧縮機の吸入絞り弁 |
KR100915713B1 (ko) * | 2009-05-21 | 2009-09-04 | 동일기계공업 주식회사 | 차량용 가변용량 압축기의 원웨이밸브 |
JP5325041B2 (ja) * | 2009-07-30 | 2013-10-23 | サンデン株式会社 | 往復動圧縮機 |
JP5697024B2 (ja) * | 2010-12-22 | 2015-04-08 | サンデン株式会社 | 圧縮機 |
JP5497214B2 (ja) * | 2013-01-30 | 2014-05-21 | サンデン株式会社 | 往復動圧縮機 |
AU2014253727B2 (en) * | 2013-04-18 | 2018-01-04 | Halkey-Roberts Corporation | Relief valve |
CN105579704B (zh) * | 2013-09-03 | 2017-09-29 | 三电控股株式会社 | 压缩机 |
JP2015137778A (ja) * | 2014-01-21 | 2015-07-30 | 株式会社デンソー | 冷凍サイクル装置 |
EP3293396B1 (en) * | 2015-03-27 | 2021-05-05 | Valeo Japan Co., Ltd. | Vane compressor |
CN111219325B (zh) * | 2020-01-19 | 2021-11-05 | 上海韦航装备科技有限公司 | 一种流量可调式液压泵 |
DE202021102471U1 (de) * | 2021-05-07 | 2021-08-09 | Samson Aktiengesellschaft | Drosselelement zur Druckreduzierung eines Prozessfluides |
JP2023005492A (ja) * | 2021-06-29 | 2023-01-18 | 株式会社デンソー | 蒸発圧力調整弁 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19605247C1 (de) * | 1996-02-13 | 1997-04-24 | Siemens Ag | Vorrichtung zum Steuern eines Volumenstromes |
JP2000346217A (ja) * | 1999-06-07 | 2000-12-15 | Toyota Autom Loom Works Ltd | 逆止弁 |
JP2000106720A (ja) * | 1999-09-22 | 2000-04-18 | Yanmar Agricult Equip Co Ltd | 乗用田植機のミッションケ―ス配設構造 |
JP3964641B2 (ja) * | 2001-08-30 | 2007-08-22 | サンデン株式会社 | 差圧弁 |
-
2005
- 2005-02-07 JP JP2005029921A patent/JP4429931B2/ja not_active Expired - Fee Related
-
2006
- 2006-02-06 FR FR0601034A patent/FR2881818B1/fr active Active
- 2006-02-07 DE DE102006005535A patent/DE102006005535B4/de active Active
Also Published As
Publication number | Publication date |
---|---|
DE102006005535B4 (de) | 2013-11-21 |
FR2881818B1 (fr) | 2018-03-16 |
JP2006214396A (ja) | 2006-08-17 |
FR2881818A1 (fr) | 2006-08-11 |
DE102006005535A1 (de) | 2006-08-10 |
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