SE7700571L - Anordning vid en skruvkompressor for att avlasta ett rullningslager fran en axialkraft - Google Patents

Anordning vid en skruvkompressor for att avlasta ett rullningslager fran en axialkraft

Info

Publication number
SE7700571L
SE7700571L SE7700571A SE7700571A SE7700571L SE 7700571 L SE7700571 L SE 7700571L SE 7700571 A SE7700571 A SE 7700571A SE 7700571 A SE7700571 A SE 7700571A SE 7700571 L SE7700571 L SE 7700571L
Authority
SE
Sweden
Prior art keywords
axial force
housing
screw compressor
unloading
ring
Prior art date
Application number
SE7700571A
Other languages
Unknown language ( )
English (en)
Other versions
SE403822B (sv
Inventor
K A L Lundberg
Original Assignee
Stal Refrigeration Ab
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 by Stal Refrigeration Ab filed Critical Stal Refrigeration Ab
Priority to SE7700571A priority Critical patent/SE403822B/sv
Priority to GB51859/77A priority patent/GB1553352A/en
Priority to JP15457677A priority patent/JPS5392913A/ja
Priority to DE19782801363 priority patent/DE2801363A1/de
Priority to US05/869,701 priority patent/US4185949A/en
Publication of SE7700571L publication Critical patent/SE7700571L/sv
Publication of SE403822B publication Critical patent/SE403822B/sv

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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/02—Arrangements of bearings
    • 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)
  • Rotary-Type Compressors (AREA)
  • Compressor (AREA)
SE7700571A 1977-01-20 1977-01-20 Anordning vid en skruvkompressor for att avlasta ett rullningslager fran en axialkraft SE403822B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE7700571A SE403822B (sv) 1977-01-20 1977-01-20 Anordning vid en skruvkompressor for att avlasta ett rullningslager fran en axialkraft
GB51859/77A GB1553352A (en) 1977-01-20 1977-12-13 Stal refrigeration ab
JP15457677A JPS5392913A (en) 1977-01-20 1977-12-23 Device for reducing axial thrust in screw compressor
DE19782801363 DE2801363A1 (de) 1977-01-20 1978-01-13 Anordnung bei einem schraubenkompressor zur herabsetzung der axialkraft
US05/869,701 US4185949A (en) 1977-01-20 1978-01-16 Screw compressor with bearing unloading means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7700571A SE403822B (sv) 1977-01-20 1977-01-20 Anordning vid en skruvkompressor for att avlasta ett rullningslager fran en axialkraft

Publications (2)

Publication Number Publication Date
SE7700571L true SE7700571L (sv) 1978-07-21
SE403822B SE403822B (sv) 1978-09-04

Family

ID=20330229

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7700571A SE403822B (sv) 1977-01-20 1977-01-20 Anordning vid en skruvkompressor for att avlasta ett rullningslager fran en axialkraft

Country Status (5)

Country Link
US (1) US4185949A (sv)
JP (1) JPS5392913A (sv)
DE (1) DE2801363A1 (sv)
GB (1) GB1553352A (sv)
SE (1) SE403822B (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730995A (en) * 1986-09-25 1988-03-15 American Standard Inc. Screw compressor bearing arrangement with positive stop to accommodate thrust reversal
JPH04257892A (ja) * 1991-02-13 1992-09-14 Stanley Electric Co Ltd アクティブマトリクスｌｃｄ装置のビデオ信号駆動回路
SE501893C2 (sv) * 1993-10-14 1995-06-12 Svenska Rotor Maskiner Ab Skruvkompressor med variabla axialbalanseringsorgan
SE9400673L (sv) * 1994-02-28 1995-01-23 Svenska Rotor Maskiner Ab Skruvkompressor med axialbalanseringsorgan, som utnyttjar olika trycknivåer samt förfarande för drift av en sådan kompressor
JP3766725B2 (ja) * 1996-10-25 2006-04-19 株式会社神戸製鋼所 油冷式スクリュ圧縮機
JP4319238B2 (ja) * 2008-02-06 2009-08-26 株式会社神戸製鋼所 油冷式スクリュ圧縮機
US10842932B1 (en) 2012-08-08 2020-11-24 Neurowave Systems Inc. Intelligent pharmaceutical delivery system with non-concentric pumping mechanism to reduce flow anomaly and method of using

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD80961A (sv) *
US2319913A (en) * 1941-03-27 1943-05-25 B F Sturtevant Co Thrust bearing
US2438214A (en) * 1944-05-22 1948-03-23 Timken Roller Bearing Co Roller bearing railway car axle and journal box assembly
GB689647A (en) * 1950-07-31 1953-04-01 Isaac Edward Good Improvements in or relating to bearings for spindles
FR1337732A (fr) * 1962-11-02 1963-09-13 Svenska Rotor Maskiner Ab Perfectionnements aux machines à rotors engrenants
GB1325471A (en) * 1970-10-29 1973-08-01 Kuehlautomat Veb Externally meshing screw rotor compressor
SE374589B (sv) * 1973-07-20 1975-03-10 Atlas Copco Ab
DE2448785C3 (de) * 1974-10-12 1980-08-21 Fag Kugelfischer Georg Schaefer & Co, 8720 Schweinfurt Axiallagerung einer Welle

Also Published As

Publication number Publication date
DE2801363C2 (sv) 1990-05-10
GB1553352A (en) 1979-09-26
SE403822B (sv) 1978-09-04
DE2801363A1 (de) 1978-07-27
US4185949A (en) 1980-01-29
JPS5392913A (en) 1978-08-15
JPS6118678B2 (sv) 1986-05-13

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