JPH01118177U - - Google Patents

Info

Publication number
JPH01118177U
JPH01118177U JP1989004999U JP499989U JPH01118177U JP H01118177 U JPH01118177 U JP H01118177U JP 1989004999 U JP1989004999 U JP 1989004999U JP 499989 U JP499989 U JP 499989U JP H01118177 U JPH01118177 U JP H01118177U
Authority
JP
Japan
Prior art keywords
screw
liquid
chamber
pump
housing
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.)
Pending
Application number
JP1989004999U
Other languages
English (en)
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 filed Critical
Publication of JPH01118177U publication Critical patent/JPH01118177U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/062—Arrangements for supercharging the working space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Description

【図面の簡単な説明】
第１図は、本考案によるねじポンプの部分切欠
側面図である。第２図は第１図のほぼ―線に
おける断面図である。 １…中央ねじ、２…側ねじ、３…ねじハウジン
グ、１５…調整装置、９…圧力流体限、１４…ダ
クト、８…吸込側。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 入口室および出口室を有するポンプハウジン
    グと、前記ハウジング内に回転自在に取付けられ
    、かつ入口端部および出口端部を有するねじ列と
    を含む液体ねじポンプであつて、前記ねじ列は、
    谷および凸状ねじ山フランクをもつ中央ねじ１と
    、谷および凹状ねじ山フランクをもつ側ねじ２と
    からなり、前記ねじのねじ山は協働するねじが互
    いに密封するように形成されており、前記ポンプ
    ハウジング内のねじハウジング３が前記ねじ列を
    密封的に取り囲んでおり、少なくとも１つの液体
    室が前記ねじハウジングと協働している前記ねじ
    山フランクおよび谷によつて形成されており、前
    記液体室は前記ねじを回転させるとき前記ねじ列
    の前記入口端部から前記ねじ列の前記出口端部ま
    で軸線方向に移動し、ダクト１４が前記ねじハウ
    ジングに形成されており、前記ダクトは、前記液
    体室の少なくとも一部分を前記出口室内の加圧流
    体と連通させるために前記ポンプハウジングの前
    記出口室と連通しており、調整装置１５が、前記
    出口室から前記液体室への液体流量を調整するた
    めに前記ダクト１４と関連して配置されており、
    それによつて、キヤビテーシヨンを引き起こす前
    記ねじ列の過剰な回転又は液体中のガス泡によつ
    て発生される騒音および振動が最小限にされるこ
    とを特徴とする液体ねじポンプ。 ２ 前記ダクト１４はポンプハウジング３に形成
    されかつ、前記液体室が少なくとも部分的にすで
    に形成されているとき前記ねじ列１，２の前記出
    口端部の前記出口室から前記ねじ列の前記入口端
    部の付近の前記液体室まで延びていることを特徴
    とする請求項１に記載の液体ねじポンプ。 ３ 前記調整装置はポンプの外側から手動で操作
    することのできる調整バルブ１５からなることを
    特徴とする請求項１又は２に記載の液体ねじポン
    プ。 ４ 前記ダクトは孔１４として形成され、前記調
    整装置１５の一部１７ａがこの孔内に変位自在に
    配置されていることを特徴とする請求項１に記載
    の液体ねじポンプ。
JP1989004999U 1983-07-20 1989-01-19 Pending JPH01118177U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8304068A SE439042B (sv) 1983-07-20 1983-07-20 Skruvpump med regleranordning

Publications (1)

Publication Number Publication Date
JPH01118177U true JPH01118177U (ja) 1989-08-09

Family

ID=20352024

Family Applications (2)

Application Number Title Priority Date Filing Date
JP59150462A Pending JPS6085281A (ja) 1983-07-20 1984-07-19 ねじポンプ
JP1989004999U Pending JPH01118177U (ja) 1983-07-20 1989-01-19

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP59150462A Pending JPS6085281A (ja) 1983-07-20 1984-07-19 ねじポンプ

Country Status (7)

Country Link
US (1) US4580953A (ja)
EP (1) EP0134768B1 (ja)
JP (2) JPS6085281A (ja)
AT (1) ATE31571T1 (ja)
DE (1) DE3468259D1 (ja)
SE (1) SE439042B (ja)
YU (1) YU44465B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018062862A (ja) * 2016-10-11 2018-04-19 株式会社フロム工業 ルーツポンプ

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6623262B1 (en) * 2001-02-09 2003-09-23 Imd Industries, Inc. Method of reducing system pressure pulsation for positive displacement pumps
US6422846B1 (en) * 2001-03-30 2002-07-23 Carrier Corporation Low pressure unloader mechanism
KR100966898B1 (ko) * 2008-08-04 2010-06-30 황금택 무소음 가압 송풍기
DE102009056218A1 (de) * 2009-11-28 2011-06-01 Robert Bosch Gmbh Schraubenspindelpumpe mit integriertem Druckbegrenzungsventil
DE102018131587A1 (de) * 2018-12-10 2020-06-10 Nidec Gpm Gmbh Regelbare Schraubenspindelpumpe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545107U (ja) * 1978-09-20 1980-03-24

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE87749C (ja) *
GB371287A (en) * 1930-11-17 1932-04-21 Sulzer Ag Improvements in or relating to rotary compressors
GB404056A (en) * 1931-10-28 1934-01-11 Anne Jacobus Mathijs August Va Improvements in and relating to rotary gas and vapour pumps
FR853166A (fr) * 1939-04-17 1940-03-12 Pompe à vis à débit variable
DE801560C (de) * 1949-02-22 1951-01-11 Franz Dipl-Ing Burghauser Feinknetpumpe
DE879208C (de) * 1951-06-12 1953-06-11 Eugen Hack Kapselpumpe mit zwei oder mehreren Arbeitsschrauben
FR1245463A (fr) * 1959-01-27 1960-11-04 Imo Industri Ab Pompe à vis
US3103894A (en) * 1960-02-18 1963-09-17 Laval Turbine Screw pump
US3182596A (en) * 1963-05-31 1965-05-11 Borg Warner Hydraulic systems and pumps
US3291061A (en) * 1963-07-23 1966-12-13 Kosaka Kenkyusho Ltd Screw pump or hydraulic screw motor
US3408114A (en) * 1966-10-19 1968-10-29 Warren Pumps Inc Pump
GB1269628A (en) * 1968-04-19 1972-04-06 Plenty & Son Ltd Improvements in and relating to inter-meshing screw pumps
US3809510A (en) * 1973-03-22 1974-05-07 Philco Ford Corp Combination pressure relief and anti-slugging valve for a screw compressor
GB1484994A (en) * 1973-09-03 1977-09-08 Svenska Rotor Maskiner Ab Shaft seal system for screw compressors
SU502123A1 (ru) * 1974-01-14 1976-02-05 Предприятие П/Я В-8673 Устройство дл регулировани произволительности винтовой машины
US4005949A (en) * 1974-10-10 1977-02-01 Vilter Manufacturing Corporation Variable capacity rotary screw compressor
US3964842A (en) * 1975-01-20 1976-06-22 Trw Inc. Hydraulic device
SE422349B (sv) * 1977-11-28 1982-03-01 Stal Refrigeration Ab Oljeavskiljning vid en anleggning for att komprimera en gas
JPS5614888A (en) * 1979-07-18 1981-02-13 Anretsuto:Kk Self-suction screw pump
US4375156A (en) * 1980-10-03 1983-03-01 Dunham-Bush, Inc. Closed loop compressed gas system with oil mist lubricated screw compressor
GB2093915A (en) * 1981-03-04 1982-09-08 Compair Ind Ltd Rotary compressors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545107U (ja) * 1978-09-20 1980-03-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018062862A (ja) * 2016-10-11 2018-04-19 株式会社フロム工業 ルーツポンプ

Also Published As

Publication number Publication date
DE3468259D1 (en) 1988-02-04
EP0134768A1 (en) 1985-03-20
JPS6085281A (ja) 1985-05-14
SE8304068L (sv) 1985-01-21
YU126784A (en) 1988-10-31
YU44465B (en) 1990-08-31
ATE31571T1 (de) 1988-01-15
SE8304068D0 (sv) 1983-07-20
US4580953A (en) 1986-04-08
SE439042B (sv) 1985-05-28
EP0134768B1 (en) 1987-12-23

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