IT953661B - Dispositivo con tenuta a diaframma di rotolamento supportato da li quido - Google Patents

Dispositivo con tenuta a diaframma di rotolamento supportato da li quido

Info

Publication number
IT953661B
IT953661B IT2330572A IT2330572A IT953661B IT 953661 B IT953661 B IT 953661B IT 2330572 A IT2330572 A IT 2330572A IT 2330572 A IT2330572 A IT 2330572A IT 953661 B IT953661 B IT 953661B
Authority
IT
Italy
Prior art keywords
liquid
diaphragm seal
rolling diaphragm
seal supported
supported
Prior art date
Application number
IT2330572A
Other languages
English (en)
Italian (it)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT953661B publication Critical patent/IT953661B/it

Links

Classifications

    • 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
    • F16J15/26—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings
    • F16J15/28—Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of metal
    • 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
    • F04B39/044—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod sealing with a rolling diaphragm between piston and cylinder
    • 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
    • F16J15/3244—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with hydrodynamic pumping action
    • 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
    • F16J3/00—Diaphragms; Bellows; Bellows pistons
    • F16J3/06—Bellows pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Reciprocating Pumps (AREA)
  • Sealing Devices (AREA)
IT2330572A 1971-04-21 1972-04-18 Dispositivo con tenuta a diaframma di rotolamento supportato da li quido IT953661B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7105348A NL7105348A (de) 1971-04-21 1971-04-21

Publications (1)

Publication Number Publication Date
IT953661B true IT953661B (it) 1973-08-10

Family

ID=19812970

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2330572A IT953661B (it) 1971-04-21 1972-04-18 Dispositivo con tenuta a diaframma di rotolamento supportato da li quido

Country Status (8)

Country Link
JP (1) JPS533022B1 (de)
CA (1) CA970405A (de)
DE (1) DE2216271A1 (de)
FR (1) FR2136559A5 (de)
GB (1) GB1387210A (de)
IT (1) IT953661B (de)
NL (1) NL7105348A (de)
SE (1) SE386496B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125265A (en) * 1977-07-06 1978-11-14 Borg-Warner Corporation Valve stem seal
DE3913263A1 (de) * 1989-04-22 1990-10-25 Teves Gmbh Alfred Unterdruck-bremskraftverstaerker fuer kraftfahrzeuge

Also Published As

Publication number Publication date
DE2216271A1 (de) 1972-11-02
JPS533022B1 (de) 1978-02-02
SE386496B (sv) 1976-08-09
NL7105348A (de) 1972-10-24
GB1387210A (en) 1975-03-12
CA970405A (en) 1975-07-01
FR2136559A5 (de) 1972-12-22

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