GB1208554A - Wall passage sealing system - Google Patents

Wall passage sealing system

Info

Publication number
GB1208554A
GB1208554A GB621969A GB621969A GB1208554A GB 1208554 A GB1208554 A GB 1208554A GB 621969 A GB621969 A GB 621969A GB 621969 A GB621969 A GB 621969A GB 1208554 A GB1208554 A GB 1208554A
Authority
GB
United Kingdom
Prior art keywords
ducts
pads
ring
barrier gas
chamber
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
GB621969A
Inventor
Herri Louis Garnier
Jacques Albert Legueux
Jean-Claude Yves Andre Masson
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.)
CONSTUCTION DE MOTEURS D AVIAT
Safran Aircraft Engines SAS
Original Assignee
CONSTUCTION DE MOTEURS D AVIAT
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
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 CONSTUCTION DE MOTEURS D AVIAT, Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA filed Critical CONSTUCTION DE MOTEURS D AVIAT
Publication of GB1208554A publication Critical patent/GB1208554A/en
Expired 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
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • 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
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
    • F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
    • F16J15/342—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities with means for feeding fluid directly to the face

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)
  • Mechanical Sealing (AREA)

Abstract

1,208,554. Mechanical seals. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. 5 Feb., 1969 [5 Feb., 1968], No. 6219/69. Heading F2B. A shaft seal separating spaces 14 and 16 comprises two anti-friction pads 22 1 and 22 2 urged by bellows 24 1 and 24 2 into sealing contact with a plate 18 secured to the rotary shaft, a duct 26 between the pads for supplying barrier gas at the plate, and a floating ring 30 mounted for floating movement in an annular recess in the plate and projecting between the pads so as to provide flow ducts for the barrier gas being supplied through ducts 26. As shown, a floating ring 30 is disposed between individual pads 22 1 and 22 2 which seal the space 14 containing gas from the space 16 containing oil at a lower pressure. An inert barrier gas, which also serves as a cooling medium, is supplied through ducts 26 in a tubular extension 28 of a casing 12 and flows in the direction of arrow f; part of the flow passing through the clearance between the extension and the ring 22 1 and part of the flow passing through nozzles 44 and passages 46 in the floating ring 30 before passing out of the casing through chamber 36 and ducts 34. In another embodiment, Figs. 3 and 4 (not shown), the pads (22<SP>1</SP> 1 and 22<SP>1</SP> 2 ) are incorporated in a single member and seal the spaces (14<SP>1</SP> and 16<SP>1</SP>) of greater pressure difference. The rings are urged into sealing contact by a single bellows (62) while three diaphragms (24<SP>1</SP> 1 , 52 and 24<SP>1</SP> 2 ) provided between the outer surface of the ring (22<SP>1</SP> 1 ) and the casing divide the barrier gas into different paths, the first path passing through chamber (54) and ducts (26<SP>1</SP> and 60) and the second path passing through the clearance between the floating ring (30<SP>1</SP>) and the rings (22<SP>1</SP> 1 and 22<SP>1</SP> 2 ) and through chamber (56).
GB621969A 1968-02-05 1969-02-05 Wall passage sealing system Expired GB1208554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR138756 1968-02-05

Publications (1)

Publication Number Publication Date
GB1208554A true GB1208554A (en) 1970-10-14

Family

ID=8645588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB621969A Expired GB1208554A (en) 1968-02-05 1969-02-05 Wall passage sealing system

Country Status (3)

Country Link
DE (1) DE6904388U (en)
FR (1) FR1564628A (en)
GB (1) GB1208554A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096233A1 (en) * 1982-06-05 1983-12-21 Man Gutehoffnungshütte Gmbh Shaft seal with a magnetically adjusted sealing clearance
US7438519B2 (en) 2004-09-07 2008-10-21 John Crane Inc. Sealing system for slurry pump
WO2019209159A1 (en) * 2018-04-25 2019-10-31 Scania Cv Ab Sealing arrangement, hydrodynamic machine, and vehicle

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980128A (en) * 1975-06-02 1976-09-14 The Air Preheater Company, Inc. Rotor post seal
DE3106586A1 (en) * 1981-02-21 1982-09-09 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Mechanical seal
DE4118592A1 (en) * 1991-06-06 1992-12-10 Bolz Alfred Gmbh Co Kg CONE DRYER OR MIXER WITH SWING ARM GEAR AND SEALING ARRANGEMENT
DE4228042A1 (en) * 1992-08-24 1994-03-03 Klein Schanzlin & Becker Ag Pressure cover for centrifugal pumps
DE102009055637B4 (en) * 2009-11-25 2016-12-29 Carl Freudenberg Kg Mechanical seal assembly with an insert for coolant management
DE102009058341A1 (en) * 2009-12-15 2011-06-16 Voith Patent Gmbh Hydrodynamic machine, in particular hydrodynamic retarder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096233A1 (en) * 1982-06-05 1983-12-21 Man Gutehoffnungshütte Gmbh Shaft seal with a magnetically adjusted sealing clearance
US7438519B2 (en) 2004-09-07 2008-10-21 John Crane Inc. Sealing system for slurry pump
WO2019209159A1 (en) * 2018-04-25 2019-10-31 Scania Cv Ab Sealing arrangement, hydrodynamic machine, and vehicle
RU2749243C1 (en) * 2018-04-25 2021-06-07 Сканиа Св Аб Sealing device, hydrodynamic machine and vehicle

Also Published As

Publication number Publication date
FR1564628A (en) 1969-04-25
DE6904388U (en) 1969-06-26

Similar Documents

Publication Publication Date Title
GB1138272A (en) Improvements in sealing means for axial flow compressor discharge
US4071253A (en) Gas-sealed shaft packing
US4114959A (en) Hydrostatic supporting device including bearing shoe
GB1400987A (en) Sealing devices
GB1249849A (en) Fluid seal arrangement for a rotatable shaft
GB1175350A (en) Floating Ring Seal for a Shaft.
GB1208554A (en) Wall passage sealing system
GB746606A (en) Improvements in or relating to valves
GB1019651A (en) Rotary seal system
GB1286905A (en) Improvements relating to rotary shafts and seals
GB726621A (en) Improvements relating to liquid seals for gas-cooled dynamo electric machines
US3250223A (en) Vane impulsion apparatus
GB1103138A (en) A rotary shaft assembly
GB1116292A (en) Seal assembly
GB1009940A (en) Gas viscosity plate glands
US2831712A (en) Fluid sealing apparatus
US3788652A (en) Sealing devices for rotating shafts
GB817396A (en) Seals for sealing rotatable members passing through partitions
US2709629A (en) Labyrinth packings for straight-line-motion machine elements
US3170700A (en) Oil seal for a rotatable shaft extending into a gas enclosure
GB944360A (en) Improvements in or relating to gland assemblies
GB1327458A (en) Hydrostatic shaft seal
GB761108A (en) Rotary pipe joint for rotating air cylinders
GB1416487A (en) Apparatus including a mechanical seal
GB1140435A (en) Improvements in or relating to device for the sealing of a rotatable shaft

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee