CS152450B2 - - Google Patents

Info

Publication number
CS152450B2
CS152450B2 CS906A CS90668A CS152450B2 CS 152450 B2 CS152450 B2 CS 152450B2 CS 906 A CS906 A CS 906A CS 90668 A CS90668 A CS 90668A CS 152450 B2 CS152450 B2 CS 152450B2
Authority
CS
Czechoslovakia
Application number
CS906A
Other languages
Czech (cs)
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 CS152450B2 publication Critical patent/CS152450B2/cs

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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • F04C23/003—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle having complementary function
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0021—Systems for the equilibration of forces acting on the pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
CS906A 1967-02-06 1968-02-06 CS152450B2 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5592/67A GB1220054A (en) 1967-02-06 1967-02-06 Two-stage compressor of the meshing screw rotor type

Publications (1)

Publication Number Publication Date
CS152450B2 true CS152450B2 (da) 1973-12-19

Family

ID=9799008

Family Applications (1)

Application Number Title Priority Date Filing Date
CS906A CS152450B2 (da) 1967-02-06 1968-02-06

Country Status (8)

Country Link
US (1) US3467300A (da)
BE (1) BE710157A (da)
CH (1) CH478990A (da)
CS (1) CS152450B2 (da)
FI (1) FI47598C (da)
FR (1) FR1555022A (da)
GB (1) GB1220054A (da)
SE (1) SE318053B (da)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733152A (en) * 1971-10-29 1973-05-15 Warren Pumps Inc Rotary pump
US4792294A (en) * 1986-04-11 1988-12-20 Mowli John C Two-stage screw auger pumping apparatus
SE8701123L (sv) * 1987-03-19 1988-09-20 Svenska Rotor Maskiner Ab Skruvrotormaskin
US4944657A (en) * 1989-03-01 1990-07-31 Mowli John C Two-stage pumping apparatus with low shear first stage
US5139399A (en) * 1991-10-18 1992-08-18 Ingersoll-Rand Company Compressor interstage coolant injector nozzle
KR100190310B1 (ko) * 1992-09-03 1999-06-01 모리시따 요오이찌 진공배기장치
US5267837A (en) * 1992-09-23 1993-12-07 Mowli John C Two-stage pumping apparatus with non-meshing first stage augers
US6257195B1 (en) 2000-02-14 2001-07-10 Arthur Vanmoor Internal combustion engine with substantially continuous fuel feed and power output
US7682084B2 (en) * 2003-07-18 2010-03-23 Kobe Steel, Ltd. Bearing and screw compressor
DE112010003504A5 (de) * 2009-08-31 2012-11-22 Ralf Steffens Verdrängerpumpe mit innerer Verdichtung
US20110158841A1 (en) * 2009-12-28 2011-06-30 Sunny King Machinery Co., Ltd. Screw Pump with Anti-Turbulent Structure
US9074524B2 (en) 2011-12-09 2015-07-07 Eaton Corporation Air supply system with two-stage roots blower
US9039396B2 (en) 2012-07-03 2015-05-26 Emerson Climate Technologies, Inc. Piston and scroll compressor assembly
US9360011B2 (en) 2013-02-26 2016-06-07 Emerson Climate Technologies, Inc. System including high-side and low-side compressors
CN104005950B (zh) * 2013-02-26 2016-04-13 复盛股份有限公司 流体机械的多段式螺旋转子机构
CN104948451A (zh) * 2015-05-29 2015-09-30 浙江威隆机械科技有限公司 一种衬套螺杆泵
CN205937114U (zh) 2016-08-02 2017-02-08 江森自控空调冷冻设备(无锡)有限公司 一种阳转子对称布置的螺杆压缩机
CN106989027B (zh) * 2017-06-05 2019-05-24 珠海格力电器股份有限公司 多级压缩机
US11149732B2 (en) 2017-11-02 2021-10-19 Carrier Corporation Opposed screw compressor having non-interference system
US11773853B2 (en) 2019-02-06 2023-10-03 Hitachi Industrial Equipment Systems Co., Ltd. Multi-stage screw compressor
CN110206729B (zh) * 2019-05-27 2020-05-19 西安交通大学 一种具有气体止推轴承的自平衡轴向力四螺杆机械装置
CN110397589B (zh) * 2019-08-26 2023-10-10 珠海格力电器股份有限公司 具有平衡轴向力功能的双级螺杆压缩机及空调机组
CN114320910B (zh) * 2020-12-02 2023-05-19 珠海格力电器股份有限公司 螺杆压缩机和空调系统
CN112797001A (zh) * 2021-02-26 2021-05-14 珠海格力电器股份有限公司 转子组件、压缩机及空调
JP7403493B2 (ja) * 2021-03-23 2023-12-22 株式会社日立産機システム 多段スクリュー圧縮機
CN114017324A (zh) * 2021-11-26 2022-02-08 珠海格力电器股份有限公司 压缩机以及空调

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1046261A (en) * 1963-02-23 1966-10-19 Howden James & Co Ltd Improvements in or relating to screw air compressors
US3184155A (en) * 1963-04-17 1965-05-18 Cooper Bessemer Corp Motor compressor unit
SE310751B (da) * 1963-12-23 1969-05-12 Svenska Rotor Maskiner Ab
SE302815B (da) * 1965-01-13 1968-08-05 Svenska Rotor Maskiner Ab

Also Published As

Publication number Publication date
FI47598C (fi) 1974-01-10
FR1555022A (da) 1969-01-24
BE710157A (da) 1968-05-30
SE318053B (da) 1969-12-01
FI47598B (da) 1973-10-01
GB1220054A (en) 1971-01-20
CH478990A (de) 1969-09-30
US3467300A (en) 1969-09-16

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