IE49870B1 - Positive clearance radial face seals - Google Patents
Positive clearance radial face sealsInfo
- Publication number
- IE49870B1 IE49870B1 IE1796/79A IE179679A IE49870B1 IE 49870 B1 IE49870 B1 IE 49870B1 IE 1796/79 A IE1796/79 A IE 1796/79A IE 179679 A IE179679 A IE 179679A IE 49870 B1 IE49870 B1 IE 49870B1
- Authority
- IE
- Ireland
- Prior art keywords
- face
- seal
- pressure
- sealing
- clearance
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims abstract description 149
- 239000012530 fluid Substances 0.000 claims description 77
- 239000000463 material Substances 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000036316 preload Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- HEFNNWSXXWATRW-UHFFFAOYSA-N Ibuprofen Chemical compound CC(C)CC1=CC=C(C(C)C(O)=O)C=C1 HEFNNWSXXWATRW-UHFFFAOYSA-N 0.000 description 1
- 101100536883 Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513) thi5 gene Proteins 0.000 description 1
- 101100240664 Schizosaccharomyces pombe (strain 972 / ATCC 24843) nmt1 gene Proteins 0.000 description 1
- 241000534944 Thia Species 0.000 description 1
- 101150015779 act3 gene Proteins 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F16J15/3404—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
- F16J15/3432—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 the geometry of the surface being able to vary during operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/928—Seal including pressure relief or vent feature
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Devices (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7837715 | 1978-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE791796L IE791796L (en) | 1980-03-22 |
| IE49870B1 true IE49870B1 (en) | 1986-01-08 |
Family
ID=10499832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1796/79A IE49870B1 (en) | 1978-09-22 | 1979-09-21 | Positive clearance radial face seals |
Country Status (12)
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365815A (en) * | 1978-09-22 | 1982-12-28 | Associated Engineering Limited | Means providing coolant between elements of radial face seals |
| US4313608A (en) * | 1978-12-20 | 1982-02-02 | Associated Engineering Limited | Means for controlling fluid flow |
| EP0032433B1 (en) * | 1980-01-11 | 1985-12-04 | Ae Plc | Means for cooling positive clearance radial face seals |
| DE3213378C2 (de) * | 1982-04-10 | 1984-10-11 | Pacific Wietz Gmbh + Co Kg, 4600 Dortmund | Mehrschichtiger Gleitkörper und Verfahren zu seiner Herstellung |
| US4406460A (en) * | 1982-11-01 | 1983-09-27 | United Technologies Corporation | Anti-weepage valve for rotating seals |
| DE3531652A1 (de) * | 1985-09-05 | 1987-03-12 | Klein Schanzlin & Becker Ag | Gleitringdichtung |
| US4643437A (en) * | 1985-10-21 | 1987-02-17 | Borg-Warner Industrial Products, Inc. | Mechanical seal with automatic gap convergence control |
| US4691276A (en) * | 1985-10-21 | 1987-09-01 | Borg-Warner Industrial Products, Inc. | Adaptive control system for mechanical seal assembly |
| DE3675011D1 (de) * | 1986-01-30 | 1990-11-22 | Dow Chemical Co | Dichtung mit hydrodynamischem antrieb. |
| US4792146A (en) * | 1987-02-17 | 1988-12-20 | University Of New Mexico | Radially compliant - zero net thermal radial taper mechanical face seal |
| US4836561A (en) * | 1987-02-17 | 1989-06-06 | University Of New Mexico | Wavy-tilt-dam seal ring |
| US5246295A (en) * | 1991-10-30 | 1993-09-21 | Ide Russell D | Non-contacting mechanical face seal of the gap-type |
| US5067733A (en) * | 1987-07-31 | 1991-11-26 | Tanken Seiko Kabushiki Kaisha | Mechanical seal including a split seal ring |
| DE3729929A1 (de) * | 1987-09-07 | 1989-03-16 | Glyco Antriebstechnik Gmbh | Hydrostatische gleitringdichtung mit kompensierung |
| DE3815470A1 (de) * | 1988-05-06 | 1989-11-16 | Voith Gmbh J M | Doppelsieb-former |
| ATE106999T1 (de) * | 1989-12-06 | 1994-06-15 | Pacific Wietz Gmbh & Co Kg | Gasgesperrte, kontaktlose dichtungsanordnung für eine welle. |
| US5039113A (en) * | 1990-01-17 | 1991-08-13 | Eg&G Sealol, Inc. | Spiral groove gas lubricated seal |
| CA2023456C (en) * | 1990-08-16 | 2001-02-13 | Raymond Metcalfe | Eccentric face seal with asymmetric closing force |
| DE4303237A1 (de) * | 1992-02-06 | 1993-10-21 | Eagle Ind Co Ltd | Gasdichtung |
| DE4211809A1 (de) * | 1992-04-08 | 1993-10-14 | Klein Schanzlin & Becker Ag | Schwimmringdichtung |
| US5499824A (en) * | 1994-03-29 | 1996-03-19 | Georgia Tech Research Corporation | Mechanical seal with compliant face |
| US10088436B2 (en) | 2011-08-31 | 2018-10-02 | Goji Ltd. | Object processing state sensing using RF radiation |
| WO2014152999A1 (en) * | 2013-03-14 | 2014-09-25 | Georgia Tech Research Corporation | Hydraulically controllable mechanical seal |
| GB201510719D0 (en) * | 2015-06-18 | 2015-08-05 | Rolls Royce Plc | Sealing element |
| WO2017164291A1 (ja) | 2016-03-25 | 2017-09-28 | パナソニックＩｐマネジメント株式会社 | マイクロ波加熱装置 |
| EP3280224A1 (en) | 2016-08-05 | 2018-02-07 | NXP USA, Inc. | Apparatus and methods for detecting defrosting operation completion |
| EP3280225B1 (en) | 2016-08-05 | 2020-10-07 | NXP USA, Inc. | Defrosting apparatus with lumped inductive matching network and methods of operation thereof |
| US10771036B2 (en) | 2017-11-17 | 2020-09-08 | Nxp Usa, Inc. | RF heating system with phase detection for impedance network tuning |
| US10785834B2 (en) | 2017-12-15 | 2020-09-22 | Nxp Usa, Inc. | Radio frequency heating and defrosting apparatus with in-cavity shunt capacitor |
| EP3503679B1 (en) | 2017-12-20 | 2022-07-20 | NXP USA, Inc. | Defrosting apparatus and methods of operation thereof |
| JP7095445B2 (ja) * | 2018-07-18 | 2022-07-05 | 株式会社デンソー | シールリング及びこれを用いた弁装置 |
| DE102018121508A1 (de) * | 2018-09-04 | 2020-03-05 | Schunk Ingenieurkeramik Gmbh | Tribologischer Körper und Verfahren zum Herstellen eines solchen |
| US10952289B2 (en) | 2018-09-10 | 2021-03-16 | Nxp Usa, Inc. | Defrosting apparatus with mass estimation and methods of operation thereof |
| US11800608B2 (en) | 2018-09-14 | 2023-10-24 | Nxp Usa, Inc. | Defrosting apparatus with arc detection and methods of operation thereof |
| US11166352B2 (en) | 2018-12-19 | 2021-11-02 | Nxp Usa, Inc. | Method for performing a defrosting operation using a defrosting apparatus |
| US11039511B2 (en) | 2018-12-21 | 2021-06-15 | Nxp Usa, Inc. | Defrosting apparatus with two-factor mass estimation and methods of operation thereof |
| DE102020203766B4 (de) | 2020-03-24 | 2022-01-27 | Eagleburgmann Germany Gmbh & Co. Kg | Gleitringdichtungsanordnung mit Phasenseparator |
| WO2023100156A1 (en) * | 2021-12-03 | 2023-06-08 | MAE Technical Advisory LLC | Self-curing thermohydrodynamic seal |
| WO2025170973A1 (en) * | 2024-02-05 | 2025-08-14 | Georgia Southern University Research And Service Foundation, Inc. | A self-throttling mechanical seal |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2668068A (en) * | 1949-09-08 | 1954-02-02 | Norden Lab Corp | Seal for rotary shafts |
| GB1080802A (en) * | 1964-02-27 | 1967-08-23 | Borg Warner | Mechanical seal with flow control |
| ES159807Y (es) * | 1968-01-15 | 1971-04-16 | Westinghouse Electric Corporation | Una junta para limitar el flujo de fluido a lo largo de unaeje giratorio. |
| US3522948A (en) * | 1968-05-16 | 1970-08-04 | Westinghouse Electric Corp | Variable flow path seal |
| DE2302600A1 (de) * | 1973-01-19 | 1974-07-25 | Klein Schanzlin & Becker Ag | Hydrostatische wellenabdichtung |
| JPS5340646B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-12-29 | 1978-10-28 | ||
| US4195852A (en) * | 1978-02-06 | 1980-04-01 | Caterpillar Tractor Co. | End face seal assembly |
| GB2324954B (en) * | 1997-05-10 | 2001-06-13 | Troll Safety Equipment Ltd | A slidable loop |
-
1979
- 1979-09-20 US US06/077,433 patent/US4290613A/en not_active Expired - Lifetime
- 1979-09-20 LU LU81706A patent/LU81706A1/fr unknown
- 1979-09-21 IE IE1796/79A patent/IE49870B1/en not_active IP Right Cessation
- 1979-09-21 BE BE0/197270A patent/BE878938A/fr not_active IP Right Cessation
- 1979-09-21 GB GB7932758A patent/GB2033978B/en not_active Expired
- 1979-09-21 IT IT46869/79A patent/IT1125985B/it active
- 1979-09-21 FR FR7923615A patent/FR2436920B1/fr not_active Expired
- 1979-09-21 CH CH853679A patent/CH637454A5/fr not_active IP Right Cessation
- 1979-09-21 NL NLAANVRAGE7907071,A patent/NL187450C/xx not_active IP Right Cessation
- 1979-09-21 DK DK394279A patent/DK394279A/da not_active Application Discontinuation
- 1979-09-22 DE DE19792938477 patent/DE2938477A1/de not_active Withdrawn
- 1979-09-22 JP JP12252079A patent/JPS5544199A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL187450B (nl) | 1991-05-01 |
| IT7946869A0 (it) | 1979-09-21 |
| DK394279A (da) | 1980-03-23 |
| IT1125985B (it) | 1986-05-14 |
| FR2436920B1 (fr) | 1987-02-27 |
| BE878938A (fr) | 1980-01-16 |
| NL7907071A (nl) | 1980-03-25 |
| GB2033978B (en) | 1983-04-13 |
| NL187450C (nl) | 1991-10-01 |
| JPS6224663B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-05-29 |
| JPS5544199A (en) | 1980-03-28 |
| US4290613A (en) | 1981-09-22 |
| GB2033978A (en) | 1980-05-29 |
| IE791796L (en) | 1980-03-22 |
| LU81706A1 (fr) | 1980-01-24 |
| CH637454A5 (fr) | 1983-07-29 |
| FR2436920A1 (fr) | 1980-04-18 |
| DE2938477A1 (de) | 1980-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |