BE710157A - - Google Patents

Info

Publication number
BE710157A
BE710157A BE710157DA BE710157A BE 710157 A BE710157 A BE 710157A BE 710157D A BE710157D A BE 710157DA BE 710157 A BE710157 A BE 710157A
Authority
BE
Belgium
Application number
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 BE710157A publication Critical patent/BE710157A/xx

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)
BE710157D 1967-02-06 1968-01-31 BE710157A (en)

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
BE710157A true BE710157A (en) 1968-05-30

Family

ID=9799008

Family Applications (1)

Application Number Title Priority Date Filing Date
BE710157D BE710157A (en) 1967-02-06 1968-01-31

Country Status (8)

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

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 (en) * 1987-03-19 1988-09-20 Svenska Rotor Maskiner Ab Screw machine
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 (en) * 1992-09-03 1999-06-01 모리시따 요오이찌 Two stage primary dry pump
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 (en) * 2009-08-31 2012-11-22 Ralf Steffens Positive displacement pump with internal compression
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
CN107676260B (en) 2013-02-26 2020-08-18 艾默生环境优化技术有限公司 Compressor and system including the same
CN104005950B (en) * 2013-02-26 2016-04-13 复盛股份有限公司 The multi-section type spiral rotor mechanism of fluid machinery
CN104948451A (en) * 2015-05-29 2015-09-30 浙江威隆机械科技有限公司 Bushing screw pump
CN205937114U (en) 2016-08-02 2017-02-08 江森自控空调冷冻设备(无锡)有限公司 Male rotor symmetrical arrangement's helical -lobe compressor
CN106989027B (en) * 2017-06-05 2019-05-24 珠海格力电器股份有限公司 Multistage compressor
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 (en) * 2019-05-27 2020-05-19 西安交通大学 Self-balancing axial force four-screw mechanical device with gas thrust bearing
CN110397589B (en) * 2019-08-26 2023-10-10 珠海格力电器股份有限公司 Double-stage screw compressor with axial force balancing function and air conditioning unit
CN114320910B (en) * 2020-12-02 2023-05-19 珠海格力电器股份有限公司 Screw compressor and air conditioning system
CN112797001A (en) * 2021-02-26 2021-05-14 珠海格力电器股份有限公司 Rotor subassembly, compressor and air conditioner
JP7403493B2 (en) * 2021-03-23 2023-12-22 株式会社日立産機システム multistage screw compressor
CN114017324A (en) * 2021-11-26 2022-02-08 珠海格力电器股份有限公司 Compressor and air conditioner

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 (en) * 1963-12-23 1969-05-12 Svenska Rotor Maskiner Ab
SE302815B (en) * 1965-01-13 1968-08-05 Svenska Rotor Maskiner Ab

Also Published As

Publication number Publication date
GB1220054A (en) 1971-01-20
US3467300A (en) 1969-09-16
CH478990A (en) 1969-09-30
SE318053B (en) 1969-12-01
FI47598B (en) 1973-10-01
FI47598C (en) 1974-01-10
CS152450B2 (en) 1973-12-19
FR1555022A (en) 1969-01-24

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SVENSKA ROTOR MASKINER A.B.

Effective date: 19870131