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AU516210B2 - Vacuum pump - Google Patents
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AU516210B2 - Vacuum pump - Google Patents

Vacuum pump

Info

Publication number
AU516210B2
AU516210B2 AU20758/76A AU2075876A AU516210B2 AU 516210 B2 AU516210 B2 AU 516210B2 AU 20758/76 A AU20758/76 A AU 20758/76A AU 2075876 A AU2075876 A AU 2075876A AU 516210 B2 AU516210 B2 AU 516210B2
Authority
AU
Australia
Prior art keywords
vacuum pump
vacuum
pump
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.)
Expired
Application number
AU20758/76A
Other versions
AU2075876A (en
Inventor
G. W. Bez E. and Farrant J. L Balkan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commonwealth Scientific and Industrial Research Organization CSIRO
Original Assignee
Commonwealth Scientific and Industrial Research Organization CSIRO
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 Commonwealth Scientific and Industrial Research Organization CSIRO filed Critical Commonwealth Scientific and Industrial Research Organization CSIRO
Priority to AU20758/76A priority Critical patent/AU516210B2/en
Priority to GB13988/78A priority patent/GB1566576A/en
Priority to GB5334276A priority patent/GB1566575A/en
Priority to GB8213/79A priority patent/GB1566577A/en
Publication of AU2075876A publication Critical patent/AU2075876A/en
Priority to AU68083/81A priority patent/AU6808381A/en
Application granted granted Critical
Publication of AU516210B2 publication Critical patent/AU516210B2/en
Expired 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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B25/00—Multi-stage pumps
    • F04B25/02—Multi-stage pumps of stepped piston type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/02—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders arranged oppositely relative to main shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
    • F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
    • F04B39/042—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod sealing being provided on the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/28—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction of non-metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
AU20758/76A 1975-12-24 1975-12-24 Vacuum pump Expired AU516210B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU20758/76A AU516210B2 (en) 1975-12-24 1975-12-24 Vacuum pump
GB13988/78A GB1566576A (en) 1975-12-24 1976-12-21 Piston rings and vacuum pumps
GB5334276A GB1566575A (en) 1975-12-24 1976-12-21 Pumps of the piston and cylinder type
GB8213/79A GB1566577A (en) 1975-12-24 1976-12-21 Vacuum pumps of the piston and cylinder type
AU68083/81A AU6808381A (en) 1975-12-24 1981-03-04 Two-component piston ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU20758/76A AU516210B2 (en) 1975-12-24 1975-12-24 Vacuum pump

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU68083/81A Addition AU6808381A (en) 1975-12-24 1981-03-04 Two-component piston ring

Publications (2)

Publication Number Publication Date
AU2075876A AU2075876A (en) 1978-06-29
AU516210B2 true AU516210B2 (en) 1981-05-21

Family

ID=3710055

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20758/76A Expired AU516210B2 (en) 1975-12-24 1975-12-24 Vacuum pump

Country Status (2)

Country Link
AU (1) AU516210B2 (en)
GB (2) GB1566576A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU618605B2 (en) * 1988-06-09 1992-01-02 Greenfield Ag A valve arrangement

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1157540B (en) * 1982-04-29 1987-02-18 Bonomi Agostino Omal Sa SEALING AND JUDGING UNIT FOR PISTONS IN GENERAL
GB2132284B (en) * 1982-12-17 1986-04-03 Commw Scient Ind Res Org Porting and ducting arrangement
AU567134B2 (en) * 1982-12-17 1987-11-12 Commonwealth Scientific And Industrial Research Organisation Cylinder porting arrangement
US4906109A (en) * 1988-06-20 1990-03-06 Peter J. Balsells Spring loaded guide ring
EP0390894A1 (en) * 1988-09-29 1990-10-10 Dowty Seals Limited A sealing assembly
US5482443A (en) * 1992-12-21 1996-01-09 Commonwealth Scientific And Industrial Research Organization Multistage vacuum pump
WO1997019280A1 (en) * 1995-11-17 1997-05-29 Maschinenfabrik Sulzer-Burckhardt Ag Piston ring
WO1998031936A1 (en) * 1997-01-17 1998-07-23 Maschinenfabrik Sulzer-Burckhardt Ag Reciprocating compressor
JP3789691B2 (en) * 1999-09-14 2006-06-28 三洋電機株式会社 High pressure compressor compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU618605B2 (en) * 1988-06-09 1992-01-02 Greenfield Ag A valve arrangement

Also Published As

Publication number Publication date
GB1566576A (en) 1980-05-08
AU2075876A (en) 1978-06-29
GB1566577A (en) 1980-05-08

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