FR2136951A1 - Ceramic shaft seal - with one rubbing component of boron carbide and one of alumina - Google Patents

Ceramic shaft seal - with one rubbing component of boron carbide and one of alumina

Info

Publication number
FR2136951A1
FR2136951A1 FR7116796A FR7116796A FR2136951A1 FR 2136951 A1 FR2136951 A1 FR 2136951A1 FR 7116796 A FR7116796 A FR 7116796A FR 7116796 A FR7116796 A FR 7116796A FR 2136951 A1 FR2136951 A1 FR 2136951A1
Authority
FR
France
Prior art keywords
alumina
boron carbide
shaft seal
ceramic shaft
rubbing component
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.)
Granted
Application number
FR7116796A
Other languages
French (fr)
Other versions
FR2136951B1 (en
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.)
Societe Internationale de Mecanique Industrielle SA
Original Assignee
Societe Internationale de Mecanique Industrielle SA
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 Societe Internationale de Mecanique Industrielle SA filed Critical Societe Internationale de Mecanique Industrielle SA
Priority to FR7116796A priority Critical patent/FR2136951A1/en
Priority to LU65319D priority patent/LU65319A1/xx
Priority to BE783154A priority patent/BE783154A/en
Priority to IT5015372A priority patent/IT957795B/en
Priority to DE19722222698 priority patent/DE2222698A1/en
Priority to NL7206314A priority patent/NL7206314A/xx
Publication of FR2136951A1 publication Critical patent/FR2136951A1/en
Application granted granted Critical
Publication of FR2136951B1 publication Critical patent/FR2136951B1/fr
Granted legal-status Critical Current

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
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/36—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member connected by a diaphragm or bellow to the other member
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/043—Sliding surface consisting mainly of ceramics, cermets or hard carbon, e.g. diamond like carbon [DLC]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Sealing (AREA)

Abstract

A moving ring facing fixed to the shaft is esp. of boron carbide and the seat fixed to the housing of alumina, giving an accurately fitting seal resistant to aggressive chemicals without high friction associated with tungsten seals.
FR7116796A 1971-05-10 1971-05-10 Ceramic shaft seal - with one rubbing component of boron carbide and one of alumina Granted FR2136951A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7116796A FR2136951A1 (en) 1971-05-10 1971-05-10 Ceramic shaft seal - with one rubbing component of boron carbide and one of alumina
LU65319D LU65319A1 (en) 1971-05-10 1972-05-08
BE783154A BE783154A (en) 1971-05-10 1972-05-08 SEAL BETWEEN FIXED PART AND ROTATING PART
IT5015372A IT957795B (en) 1971-05-10 1972-05-09 SEALING JOINT BETWEEN A FIXED AND A ROTATING ELEMENT
DE19722222698 DE2222698A1 (en) 1971-05-10 1972-05-09 Seal for installation between a fixed and a rotatable component
NL7206314A NL7206314A (en) 1971-05-10 1972-05-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7116796A FR2136951A1 (en) 1971-05-10 1971-05-10 Ceramic shaft seal - with one rubbing component of boron carbide and one of alumina

Publications (2)

Publication Number Publication Date
FR2136951A1 true FR2136951A1 (en) 1972-12-29
FR2136951B1 FR2136951B1 (en) 1973-05-11

Family

ID=9076750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7116796A Granted FR2136951A1 (en) 1971-05-10 1971-05-10 Ceramic shaft seal - with one rubbing component of boron carbide and one of alumina

Country Status (6)

Country Link
BE (1) BE783154A (en)
DE (1) DE2222698A1 (en)
FR (1) FR2136951A1 (en)
IT (1) IT957795B (en)
LU (1) LU65319A1 (en)
NL (1) NL7206314A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351554A1 (en) * 1988-06-16 1990-01-24 Feodor Burgmann Dichtungswerke GmbH & Co. Mechanical seal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0255273A (en) * 1988-08-18 1990-02-23 Showa Denko Kk Silicon carbide sintered form for mechanical seal and mechanical seal using same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351554A1 (en) * 1988-06-16 1990-01-24 Feodor Burgmann Dichtungswerke GmbH & Co. Mechanical seal

Also Published As

Publication number Publication date
FR2136951B1 (en) 1973-05-11
BE783154A (en) 1972-09-01
NL7206314A (en) 1972-11-14
LU65319A1 (en) 1972-08-23
IT957795B (en) 1973-10-20
DE2222698A1 (en) 1972-11-23

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Legal Events

Date Code Title Description
ST Notification of lapse