SE9703675L - Method and device of screw rotor machine to prevent lubricant penetration into its rotor housing - Google Patents

Method and device of screw rotor machine to prevent lubricant penetration into its rotor housing

Info

Publication number
SE9703675L
SE9703675L SE9703675A SE9703675A SE9703675L SE 9703675 L SE9703675 L SE 9703675L SE 9703675 A SE9703675 A SE 9703675A SE 9703675 A SE9703675 A SE 9703675A SE 9703675 L SE9703675 L SE 9703675L
Authority
SE
Sweden
Prior art keywords
rotor
prevent lubricant
machine
lubricant penetration
rotor housing
Prior art date
Application number
SE9703675A
Other languages
Swedish (sv)
Other versions
SE9703675D0 (en
SE511251C2 (en
Inventor
Frits Soederlund
Original Assignee
Svenska Rotor Maskiner 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 Svenska Rotor Maskiner Ab filed Critical Svenska Rotor Maskiner Ab
Priority to SE9703675A priority Critical patent/SE511251C2/en
Publication of SE9703675D0 publication Critical patent/SE9703675D0/en
Publication of SE9703675L publication Critical patent/SE9703675L/en
Publication of SE511251C2 publication Critical patent/SE511251C2/en

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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • 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
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
    • F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
    • F01C1/14—Rotary-piston machines or engines 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
    • F01C1/16—Rotary-piston machines or engines 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
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/12—Sealing arrangements in rotary-piston machines or engines for other than working fluid
    • F01C19/125—Shaft sealings specially adapted for rotary or oscillating-piston machines or engines
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rolling Contact Bearings (AREA)
  • Sealing Of Bearings (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

Bearing lubricant is prevented from entering the rotor casing and contaminating work fluid by providing a space (26) between two sealing rings (12, 14) around the rotor shaft journal (10), and supplying it with pressurised fluid taken from a work chamber (42) inside the pump.
SE9703675A 1997-10-09 1997-10-09 Rotary piston pump SE511251C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9703675A SE511251C2 (en) 1997-10-09 1997-10-09 Rotary piston pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9703675A SE511251C2 (en) 1997-10-09 1997-10-09 Rotary piston pump

Publications (3)

Publication Number Publication Date
SE9703675D0 SE9703675D0 (en) 1997-10-09
SE9703675L true SE9703675L (en) 1999-04-10
SE511251C2 SE511251C2 (en) 1999-08-30

Family

ID=20408549

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9703675A SE511251C2 (en) 1997-10-09 1997-10-09 Rotary piston pump

Country Status (1)

Country Link
SE (1) SE511251C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112833093A (en) 2019-11-25 2021-05-25 斯凯孚公司 Bearing arrangement

Also Published As

Publication number Publication date
SE9703675D0 (en) 1997-10-09
SE511251C2 (en) 1999-08-30

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Legal Events

Date Code Title Description
NUG Patent has lapsed